Complete List of Images by Species

Back to Alphabetical Index

• Abies balsamea - branch with pollen strobili and old ovulate cone axis (CSC)
• Abies concolor - habit (DLN)
• Abies magnifica - habit (DLN)
• Abies species - branch with ovulate cone (WSJ)
• Abutilon striatum - flower dissection, with nectar hairs on calyx (WSJ)
• Acacia cornigera - leaf and stipules (WSJ)
• Acacia nilotica - flowers (WSJ)
• Acacia rigidula - inflorescence (KRR & DLN)
• Acalypha hispida - carpellate flowers (WSJ)
• Acanthus hungaricus - plants in bloom (DLN)
• Acer negundo - fruits (WSJ)
• Acer negundo - leaves and fruits (WSJ)
• Acer negundo - staminate and carpellate flowers (KRR & DLN)
• Acer platanoides - carpellate flower, L.S. (KRR & DLN)
• Acer platanoides - carpellate inflorescence (KRR & DLN)
• Acer platanoides - fruit showing green embryo (KRR & DLN)
• Acer platanoides - fruits (KRR & DLN)
• Acer platanoides - staminate flower (KRR & DLN)
• Acer platanoides - staminate inflorescence (KRR & DLN)
• Acer saccharinum - carpellate flowers (WSJ)
• Acer saccharinum - staminate and carpellate flowers (KRR & DLN)
• Acer saccharinum - staminate and carpellate inflorescences (KRR & DLN)
• Acer saccharum subsp. floridanum - carpellate flowers (WSJ)
• Acer saccharum subsp. floridanum - leaves (WSJ)
• Acer saccharum subsp. floridanum - staminate flowers (WSJ)
• Acer saccharum subsp. saccharum - fruits (schizocarps) (KRR & DLN)
• Acer saccharum subsp. saccharum - staminate flowers (KRR & DLN)
• Aconitum cultivar - flower, L.S. (KRR)
• Aconitum cultivar - inflorescence (KRR)
• Acorus calamus - habit of plant (DLN)
• Acorus calamus - inflorescence (KRR & DLN)
• Acrostichum danaeaefolium - (WSJ)
• Adansonia digitata - fruits (WSJ)
• Adolphia californica - flowers (SZ)
• Aegle marmelos - leaves and fruits (WSJ)
• Aeonium species - close-up of inflorescence (DLN)
• Aeonium species - plant in bloom (DLN)
• Aeschnanthus radicans - connate anthers (KRR & DLN)
• Aeschnanthus radicans - flower (KRR & DLN)
• Aesculus californica - fruits (SZ)
• Aesculus glabra - flower, L.S. (KRR & DLN)
• Aesculus glabra - flower (KRR & DLN)
• Aesculus glabra - flowering branch (DLN)
• Aesculus glabra - ovary, X.S. (KRR & DLN)
• Aesculus hippocastanum - flower, L.S. (KRR & DLN)
• Aesculus hippocastanum - flowering branch (DLN)
• Aesculus hippocastanum - fruits and seeds (DLN)
• Aesculus hippocastanum - leaves and fruits (WSJ)
• Aesculus parviflora - shrub in flower (KRR)
• Aesculus pavia or A. × hybrida - palmately compound, opposite leaves (KRR)
• Agarista populifolia - flowers (WSJ)
• Agathis australis - habit (CSC)
• Agathis australis - pollen cones (CSC)
• Agathis robusta - leaves (WSJ)
• Agave americana - flowers (WSJ)
• Agave americana - leaf in X.S. (WSJ)
• Agave americana - plant in bloom (WSJ)
• Agave species - fruits and seeds (WSJ)
• Agrostemma githago - young fruit L.S. (KRR & DLN)
• Agrostemma githago - flower (KRR & DLN)
• Agrostemma githago - flowering shoots (DLN)
• Agrostemma githago - fruit (KRR & DLN)
• Agrostemma githago - seed (KRR & DLN)
• Ailanthus altissima - leaf and fruits (WSJ)
• Ailanthus altissima - plant in bloom (KRR)
• Ailanthus altissima - staminate flowers, close-up (KRR & DLN)
• Ailanthus altissima - staminate flowers (KRR & DLN)
• Ajuga reptans - flower, L.S. (KRR & DLN)
• Ajuga reptans - flowering shoot (KRR & DLN)
• Alamanda cathartica - plant in bloom (DLN)
• Albizia julibrissin - flowers (KRR)
• Albizia julibrissin - flowers, left in L.S. (KRR)
• Albizia julibrissin - flowers, right in L.S. (KRR)
• Albizia julibrissin - fruits (WSJ)
• Albizia julibrissin - inflorescences (WSJ)
• Albizia julibrissin - leaves (WSJ)
• Allium canadense - flowers and bulblets (WSJ)
• Allium canadense - plant in bloom (WSJ)
• Allium cernuum - flower, L.S. (KRR & DLN)
• Allium cernuum - inflorescence (KRR & DLN)
• Allium cernuum - plants in flower (KRR)
• Allium tricoccum - capsules and black seeds (WSJ)
• Alnus glutinosa - carpellate inflorescence and L.S. (KRR & DLN)
• Alnus rugosa - leaves (WSJ)
• Aloe ammophila - plant in bloom (WSJ)
• Aloe suffulta - X.S. of leaf (WSJ)
• Aloe viridis - flower, L.S. (KRR & DLN)
• Alpinia zerumbet - plant in bloom (WSJ)
• Alsomitra macrocarpa - seed (SZ)
• Alsophila tricolor - abaxial leaf surface with sori (CSC)
• Alsophila tricolor - habit (CSC)
• Alternanthera philoxeroides - plant in bloom (WSJ)
• Amaranthus hybridus - fruits (pyxis) (KRR)
• Amaranthus spinosus - plant in flower (WSJ)
• Amborella trichocarpa - branch (SZ)
• Amborella trichocarpa - flowers (PE)
• Amborella trichocarpa - fruits (PE)
• Ambrosia trifida - plant in bloom (WSJ)
• Amelanchier arborea - flowers (KRR & DLN)
• Amelanchier arborea - fruits (KRR)
• Amelanchier arborea - habit (WSJ)
• Amelanchier canadensis - flower, L.S. (KRR & DLN)
• Ammophila breviligulata - plant in fruit (WSJ)
• Amorpha canescens - flower dissected (KRR & DLN)
• Amorpha canescens - fruits and seeds (KRR & DLN)
• Amorpha canescens - inflorescence (KRR & DLN)
• Amorpha canescens - plant in bloom (KRR)
• Amorphophallus campanulatus - habit (AEC)
• Amyema queenslandicum - infructescence (DLN)
• Amyris elemifera - branch with fruits (WSJ)
• Anacardium occidentale - flowers (KRR)
• Anacardium occidentale - fruits (DLN)
• Ananas comosus - plant with fruit (WSJ)
• Andromeda glaucophylla - flowers (WSJ)
• Andropogon gerardii - spikelets (KRR)
• Andropogon glomeratus var. pumilis - fruits (WSJ)
• Anemone (Hepatica) americana - flower (KRR & DLN)
• Anemone (Hepatica) americana - habit (DLN)
• Anemone (Hepatica) nobilis - young fruits (KRR & DLN)
• Anemone (Hepatica) species - fruits (achenes) (KRR)
• Anemone canadensis - flowers (WSJ)
• Anemone canadensis - plant in bloom (WSJ)
• Anemone cylindrica - flower, L.S. (KRR & DLN)
• Anemone cylindrica - flower (KRR & DLN)
• Anemone cylindrica - fruits (achenes) (KRR)
• Anemone cylindrica - plant in bloom (DLN)
• Anethum graveolens - habit (KRR)
• Anethum graveolens - hollow stem shown in X.S. (KRR)
• Anethum graveolens - plant in bloom (WSJ)
• Anethum graveolens - stem and leaf (KRR & DLN)
• Anethum graveolens, Foeniculum vulgare, Cuminum cyminum, Apium graveolens - fruits (KRR)
• Angophora hispida - branch with fruits (WSJ)
• Anigozanthos flavidus - flowers (DLN)
• Annona glabra - branch (WSJ)
• Annona glabra - flowering branch (DLN)
• Annona glabra - fruit (WSJ)
• Annona glabra - habit (WSJ)
• Annona montana - flower (WSJ)
• Annona squamosa - fruit (WSJ)
• Anthurium scandens - vine with inflorescences (WSJ)
• Antidesma bunius - branch with fruits (WSJ)
• Antirrhinum majus - flower from below, 2 petals removed, stamens didynamous (KRR)
• Antirrhinum majus - flower, L.S. (KRR & DLN)
• Antirrhinum majus - flower, L.S. (KRR)
• Antirrhinum majus - flowers (KRR)
• Antirrhinum majus - fruits (MHS)
• Antirrhinum majus - habit (KRR)
• Apocynum androsaemifolium - plant in bloom (DLN)
• Aptenia cordifolia - flower, L.S. (KRR & DLN)
• Aptenia cordifolia - leaf surface close-up (KRR & DLN)
• Aptenia cordifolia - plant in bloom (DLN)
• Aquilegia canadensis - flower, L.S. (KRR & DLN)
• Aquilegia canadensis - flower (KRR & DLN)
• Aquilegia canadensis - flowers (WSJ)
• Aquilegia canadensis - mature fruit with seeds (KRR & DLN)
• Aquilegia canadensis - plant in flower (KRR)
• Aquilegia canadensis - young fruit (KRR & DLN)
• Aralia nudicaulis - habit (KRR)
• Aralia spinosa - flower, L.S. (KRR & DLN)
• Aralia spinosa - fruits (KRR)
• Aralia spinosa - habit (KRR)
• Aralia spinosa - inflorescence and young infructescence (DLN)
• Aralia spinosa - plant in bloom (DLN)
• Araucaria angustifolia - habit (CSC)
• Araucaria angustifolia - ovulate scale and bract complexes, and pollen strobili (CSC)
• Araucaria bidwillii - branch (WSJ)
• Araucaria bidwillii - close-up of bracts and ovulate scales (WSJ)
• Araucaria bidwillii - ovulate cone (WSJ)
• Araucaria columnaris - habit (CSC)
• Araucaria heterophylla - branch (WSJ)
• Araucaria heterophylla - habit (WSJ)
• Araucaria heterophylla - pollen strobili (WSJ)
• Arbutus andrachne - habit (KRR)
• Arceuthobium campylopodum - staminate plant (DLN)
• Arceuthobium campylopodum - young staminate and fruiting carpellate plants (DLN)
• Arceuthobium cyanocarpum - staminate and carpellate plants on Pinus ponderosa (DLN)
• Arceuthobium durangense - shoots, explosive fruits, and seed (KRR & DLN)
• Arceuthobium pusillum - staminate shoots on Picea (KRR & DLN)
• Arctostaphylos columbiana - flowers and L.S. (KRR)
• Arctostaphylos pringlei - plant in fruit (WSJ)
• Ardisia elliptica - flowering branch (DLN)
• Ardisia elliptica - flowers, L.S. (KRR & DLN)
• Ardisia elliptica - inflorescence (KRR & DLN)
• Ardisia elliptica - ovary, fruit, seed (KRR & DLN)
• Ardisia sieboldii - flowers (WSJ)
• Argemone albiflora - cut stem (WSJ)
• Argemone albiflora - flower (WSJ)
• Argemone albiflora - young fruit (WSJ)
• Argemone albiflora - plant in bloom (WSJ)
• Arisaema dracontium - fruits (WSJ)
• Arisaema triphyllum - carpellate inflorescence, close (KRR & DLN)
• Arisaema triphyllum - plant in flower (DLN)
• Arisaema triphyllum - plant in flower (WSJ)
• Arisaema triphyllum - staminate and carpellate flowers (KRR & DLN)
• Arisaema triphyllum - staminate and carpellate inflorescences (KRR & DLN)
• Arisaema triphyllum - staminate inflorescence, close (KRR & DLN)
• Aristida species - infructescence (KRR)
• Aristida spiciformis - inflorescence (WSJ)
• Aristolochia fimbriata - flower, face view (KRR & DLN)
• Aristolochia fimbriata - flower, L.S. (KRR & DLN)
• Aristolochia fimbriata - fruit (KRR)
• Aristolochia grandiflora - flower, face view (KRR)
• Aristolochia grandiflora - flower, L.S. (KRR)
• Aristolochia grandiflora - flower, side view (KRR)
• Aristolochia ringens - fruit (SZ)
• Aristolochia tomentosa - flower, L.S. (KRR & DLN)
• Aristolochia tomentosa - flower (KRR & DLN)
• Aristolochia tomentosa - flowering vine (DLN)
• Aristolochia veraguensis - flowers and leaves (WSJ)
• Aronia arbutifolia - fruits (WSJ)
• Aronia arbutifolia - plant in bloom (WSJ)
• Aronia arbutifolia - flower, L.S. (KRR)
• Aronia arbutifolia - fruits, L.S. and X.S. (KRR)
• Aronia arbutifolia - inflorescences (KRR)
• Arthrostylidium haitiense - habit (WSJ)
• Artocarpus altilis - leaves and young fruit (KRR)
• Artocarpus heterophylla - fruits (WSJ)
• Aruncus dioicus - habit (KRR)
• Arundo donax - stem and leaves (WSJ)
• Asarum canadense - flower, L.S. (KRR & DLN)
• Asarum canadense - flower (KRR & DLN)
• Asarum canadense - ovary, X.S. (KRR & DLN)
• Asarum canadense - plant in bloom (WSJ)
• Asarum canadense - seeds (KRR)
• Asclepias curassavica - flower showing pollinia (KRR & DLN)
• Asclepias curassavica - flower (KRR & DLN)
• Asclepias curassavica - flower, L.S. (KRR & DLN)
• Asclepias curassavica - inflorescence (umbel) (KRR & DLN)
• Asclepias curassavica - plant in bloom (DLN)
• Asclepias hirtella - flowers (KRR)
• Asclepias humistrata - fruits and seeds (WSJ)
• Asclepias perennis - flowers (KRR)
• Asclepias syriaca - flower with fly, leg caught in stigmatic slit (KRR)
• Asclepias syriaca - flowers (WSJ)
• Asclepias syriaca - fruits (WSJ)
• Asclepias tuberosa - close-up of flowers (KRR)
• Asclepias tuberosa - fruit (follicle) (KRR)
• Asclepias tuberosa - inflorescence (KRR)
• Asclepias verticillata - flowers (KRR)
• Asclepias viridis - flower in L.S. (KRR)
• Asclepias viridis - flowers (KRR)
• Asclepias viridis - plant in flower (KRR)
• Asimina incana - branch with flowers (WSJ)
• Asimina incana - flowers (WSJ)
• Asimina incana - fruits (WSJ)
• Asimina incana - habit (WSJ)
• Asimina incana - seeds (WSJ)
• Asimina longifolia - flower dissection (WSJ)
• Asimina obovata - flower with beetles (WSJ)
• Asimina triloba - flower, L.S. (KRR & DLN)
• Asimina triloba - flowers (KRR & DLN)
• Asimina triloba - fruits (KRR)
• Asimina triloba - leaves (KRR)
• Asimina triloba - seed, L.S. showing ruminate endosperm (KRR)
• Asimina triloba - stamens (KRR & DLN)
• Asparagus aethiopicus - fruits and seeds (WSJ)
• Asparagus aethiopicus - plant in fruit (WSJ)
• Aster novae-angliae - flowers (WSJ)
• Aster shortii - flowers, ray and disk (KRR & DLN)
• Aster shortii - head, L.S. (KRR & DLN)
• Aster shortii - plant in bloom (KRR & DLN)
• Atropa belladonna - plant in bloom (DLN)
• Aureolaria pectinata - flowers (WSJ)
• Avena sativa - spikelet in fruit (KRR)
• Avena sativa - spikelets (KRR)
• Averrhoa carambola - branch with fruits (WSJ)
• Averrhoa carambola - inflorescence (DLN)
• Avicennia germinans - flower, L.S. (KRR & DLN)
• Avicennia germinans - flowers (KRR & DLN)
• Avicennia germinans - fruits (WSJ)
• Avicennia germinans - habit and pneumatophores (WSJ)
• Avicennia germinans - inflorescence (KRR & DLN)
• Avicennia germinans - ovary L.S. (KRR & DLN)
• Baccharis halimifolia - staminate and carpellate plants (WSJ)
• Bactris gasipaes - "pejibaye" fruits (Costa Rica) (DS)
• Bactris gasipaes - spines on stem (DS)
• Badiera oblongifolia - branch with flowers and fruits (JRA)
• Badiera oblongifolia - fruit and arillate seed (JRA)
• Balduina angustifolia - plants in bloom (WSJ)
• Bambusa ventricosa - culm leaves (WSJ)
• Bambusa ventricosa - habit (WSJ)
• Banara reticulata - branch in bloom (WSJ)
• Banksia marginata - branch with inflorescence (CSC)
• Banksia spinulosa - branch with flowers (WSJ)
• Baptisia alba - flowers (WSJ)
• Baptisia alba - plant in bloom (WSJ)
• Baptisia alba var. macrophylla - flower, L.S. (KRR & DLN)
• Baptisia alba var. macrophylla - fruit with bruchid beetles (KRR & DLN)
• Baptisia alba var. macrophylla - inflorescence (KRR)
• Baptisia alba var. macrophylla - seeds (KRR & DLN)
• Baringtonia asiatica - fruiting tree (DLN)
• Baringtonia species - flowers (KRR)
• Bauhinia purpurea - flower (KRR)
• Beaucarnia recurvata - fruits (WSJ)
• Beaucarnia recurvata - habit (WSJ)
• Begonia cucullata - plant in fruit (WSJ)
• Begonia species - inflorescence with staminate and carpellate flowers (KRR)
• Begonia species (hybrid) - carpellate flowers (SZ)
• Begonia species (hybrid) - plant in bloom (SZ)
• Begonia species (hybrid) - staminate flowers (SZ)
• Belamcanda chinensis - flowers (KRR)
• Belamcanda chinensis - fruits (KRR)
• Belamcanda chinensis - plant in flower (KRR)
• Berberis darwinii - flowers and fruits (CSC)
• Berberis thunbergii - branch with flowers (KRR & DLN)
• Berberis thunbergii - flower dissected (KRR & DLN)
• Berberis thunbergii - flower, L.S. (KRR & DLN)
• Berberis thunbergii - flowers, top and bottom (KRR & DLN)
• Berberis thunbergii - fruits and fall color (DLN)
• Beta vulgaris - habit (WSJ)
• Betula nigra - leaves and staminate catkins in late summer (WSJ)
• Betula papyrifera - bark (WSJ)
• Betula papyrifera - branch with catkins (WSJ)
• Betula pendula - carpellate inflorescence (KRR & DLN)
• Betula pendula - staminate and carpellate inflorescences (KRR & DLN)
• Betula pendula - staminate flowers (KRR & DLN)
• Betula pendula - staminate inflorescences (KRR & DLN)
• Betula platyphylla - close up of fruits (WSJ)
• Betula platyphylla - leaves and fruiting catkins (WSJ)
• Bidens species - fruits, (B. frondosa and B. bipinnata) (KRR & DLN)
• Bignonia capreolata - flowering branch (DLN)
• Blakea trinervia - flowers (WSJ)
• Blechnum serrulatum - (WSJ)
• Blechnum tuerckheimii - (WSJ)
• Bletilla striata - column, L.S. (KRR & DLN)
• Bletilla striata - column underside (KRR & DLN)
• Bletilla striata - flower (KRR & DLN)
• Bletilla striata - habit (DLN)
• Bletilla striata and Haemaria discolor - pollinaria (KRR & DLN)
• Blighia sapida - branch in bloom (WSJ)
• Blighia sapida - flowers (WSJ)
• Blighia sapida - fruits (JDS)
• Blutaparon vermiculare - plant in bloom (WSJ)
• Boehmeria cylindrica - plant in bloom (WSJ)
• Boerhavia diffusa - flowers and fruits (WSJ)
• Boerhavia diffusa - habit (WSJ)
• Borago officinalis - flower, L.S. (KRR & DLN)
• Borago officinalis - flower (KRR & DLN)
• Borago officinalis - plant in bloom (DLN)
• Botrychium virginianum - close-up of fertile frond (DLN)
• Botrychium virginianum - habit (WSJ)
• Bougainvillea species - flowers (WSJ)
• Bougainvillea spectablis - flower and bract (KRR & DLN)
• Bougainvillea spectablis - flower, L.S. (KRR & DLN)
• Boykina major - flowers (DES)
• Brasenia schreberi - flower and leaves (WSJ)
• Brasenia schreberi - flower, L.S. (JRA)
• Brasenia schreberi - young fruits (JRA)
• Brassica campestris and Thlaspi arvensis - fruits (KRR)
• Brassica napus cv. Iris - flowers (KRR)
• Brassica napus cv. Iris - inflorescence (KRR)
• Brassica oleracea - plant with mature flowers (KRR)
• Brassica oleracea - plant with young inflorescence (DLN)
• Brassica rapa - field of plants (KRR)
• Brassica rapa - flower, L.S. (KRR & DLN)
• Brassica rapa - flower (KRR & DLN)
• Broussonetia papyrifera - flowers (WSJ)
• Broussonetia papyrifera - leaves (KRR)
• Brugmansia × candida - flowers (WSJ)
• Bruguiera gymnorrhiza - plant in bloom (WSJ)
• Bucida spinosa - flowering branches (DLN)
• Bulnesia arborea - branch with fruits (WSJ)
• Burmeistera species - flowers (DLN)
• Bursera simarouba - bark (WSJ)
• Bursera simarouba - branch with fruits (WSJ)
• Bursera simarouba - fruits (WSJ)
• Bursera simarouba - staminate flowers (SZ)
• Byrsonima spicata - branch with flowers (WSJ)
• Calathea species - flower, L.S. (KRR & DLN)
• Calathea species - flower (KRR & DLN)
• Callicarpa americana - plant in fruit (WSJ)
• Callirhoe papaver - flower and fruits (WSJ)
• Callisia rosea - flowers (WSJ)
• Callistemon pinifolium - branch in fruit (WSJ)
• Callistemon rigidus - flowers (WSJ)
• Callitris rhomboidea - branch with cone (CSC)
• Calotropus procera - flowers (WSJ)
• Calotropus procera - fruit open (DLN)
• Calotropus procera - fruit (DLN)
• Caltha palustris - flower, L.S. (KRR & DLN)
• Caltha palustris - flower (KRR & DLN)
• Caltha palustris - plant in bloom (KRR)
• Camellia japonica - flowering branch (DLN)
• Campanula americana - flowers (WSJ)
• Campsis radicans - didynamous stamens (KRR & DLN)
• Campsis radicans - flower, L.S. (KRR & DLN)
• Campsis radicans - flowering branch (KRR)
• Campsis radicans - fruit (KRR)
• Campsis radicans - ovary (KRR & DLN)
• Campsis radicans - seed (KRR)
• Campsis radicans - stem with compound leaves (WSJ)
• Campyloneuron phyllitidis - habit (WSJ)
• Campyloneuron phyllitidis - sori on leaf (WSJ)
• Cananga odorata - branch with flowers (WSJ)
• Cananga odorata - flower (WSJ)
• Cananga odorata - fruit (WSJ)
• Canna edulis - flower (KRR & DLN)
• Canna edulis - inflorescence (DLN)
• Canna edulis - ovary, X.S. (KRR & DLN)
• Canna edulis - seeds (KRR & DLN)
• Canna indica - fruits and seeds (WSJ)
• Canna × generalis - flower (WSJ)
• Canna × generalis - plant in bloom (WSJ)
• Cannabis sativa - habit (JRA)
• Cannabis sativa - staminate flowers (JRA)
• Capparis cynophallophora - flowers (WSJ)
• Capparis flexuosa - fruit (WSJ)
• Capsella bursa-pastoris - dehisced fruits showing replum and false septum (WSJ)
• Capsella bursa-pastoris - fruits (WSJ)
• Capsicum frutescens - plant in fruit (WSJ)
• Carex aristatus - staminate and carpellate flowers (KRR & DLN)
• Carex blanda - perigynia (KRR & DLN)
• Carex blanda - staminate and carpellate inflorescences (KRR & DLN)
• Carex lupulina - inflorescences (WSJ)
• Carex pensylvanica - staminate and carpellate flowers (KRR & DLN)
• Carex pensylvanica - staminate and carpellate inflorescences (KRR)
• Carex stricta - inflorescences (WSJ)
• Carex verricosa - inflorescences (WSJ)
• Carnegia gigantea - habit (WSJ)
• Carpenteria californica - branch in fruit (WSJ)
• Carpinus betulus - flowering branch (DLN)
• Carpinus caroliniana - fruits and fall color (DLN)
• Carpobrotus acinaciformis - plant in bloom (CSC)
• Carya floridana - twig with fruits (WSJ)
• Carya illinoensis - twig with flowers (WSJ)
• Carya ovata - carpellate flower, L.S. (KRR & DLN)
• Carya ovata - carpellate inflorescence (KRR & DLN)
• Carya ovata - flowering branch and bark (DLN)
• Carya ovata - staminate inflorescences (KRR & DLN)
• Casasia clusiaefolia - branch with flowers (DLN)
• Casearia bahamensis - branch with fruits (WSJ)
• Casimiroa edulis - branch with fruits (WSJ)
• Cassia grandis - flowers (WSJ)
• Cassia javanica - fruits (WSJ)
• Cassia marilandica and Albizia julibrissin - seeds with pleurogram (KRR)
• Cassytha filiformis - flowering branch (DLN)
• Cassytha filiformis - habit, with fruits (WSJ)
• Castanea mollissima - branch with staminate and carpellate inflorescences (KRR)
• Castanea mollissima - fruits (KRR & DLN)
• Castanea mollissima - leaves and flowers (WSJ)
• Castanea sativa - carpellate inflorescences (KRR)
• Castanea sativa - habit (DLN)
• Castanea sativa - staminate inflorescences (DLN)
• Castilleja coccinea - flower and L.S. (KRR & DLN)
• Castilleja coccinea - inflorescence (KRR & DLN)
• Castilleja coccinea - plant in bloom (KRR)
• Casuarina (Allocasuarina) nana - twigs with fruits (WSJ)
• Casuarina (Gymnostoma) chamaecyparis - habit (SZ)
• Casuarina (Gymnostoma) chamaecyparis - twig with fruits (SZ)
• Casuarina equisetifolia - fruits (CSC)
• Casuarina equisetifolia - twigs with fruits (WSJ)
• Casuarina glauca - carpellate flowers (WSJ)
• Catalpa bignonioides - flower, L.S. (KRR & DLN)
• Catalpa bignonioides - flowering branch (KRR & DLN)
• Catalpa speciosa - fruits and seeds (WSJ)
• Catharanthus roseus - plants in bloom (KRR)
• Cattleya spp. - flowers (DLN)
• Caulophyllum thalictroides - flower (KRR & DLN)
• Caulophyllum thalictroides - ovules growing through carpel wall (DLN)
• Caulophyllum thalictroides - plant in bloom (WSJ)
• Caulophyllum thalictroides - plant in fruit (KRR)
• Ceanothus americanus - flowering branches (KRR)
• Ceanothus gloriosus var. exaltatus - flowers (KRR)
• Ceanothus microphyllus - flowers (WSJ)
• Ceanothus thyrsiflorus - plant in bloom (SZ)
• Cecropia peltata - habit (DLN)
• Cecropia peltata - leaf and detached inflorescence (DLN)
• Cecropia peltata - showing underside of leaf (DLN)
• Cedrela toona - fruits (WSJ)
• Celastrus scandens - flowers (KRR & DLN)
• Celastrus scandens - inflorescence (KRR & DLN)
• Celosia argentea - plants in bloom (WSJ)
• Celtis laevigata - flowers (WSJ)
• Celtis laevigata - leaves and fruits (WSJ)
• Celtis occidentalis - warty bark (KRR)
• Cenchrus incertus - inflorescence (WSJ)
• Cenchrus longispinus - spikelets (KRR)
• Centaurea macrocephala - discoid flowering inflorescence (KRR)
• Cephalanthus occidentalis - branch with flowers (DLN)
• Cephalanthus occidentalis - node with leaves and interpetiolar stipules (WSJ)
• Cerastium glomeratum - flowers and fruits (WSJ)
• Ceratiola ericoides - branch with flowers (SZ)
• Ceratiola ericoides - branch with fruits (WSJ)
• Ceratonia siliqua - inflorescence, carpellate flower at tip, other flowers staminate (KRR)
• Ceratonia siliqua - one inflorescence, carpellate flower at tip, other flowers staminate (KRR)
• Cercis canadensis - flower, L.S. (KRR & DLN)
• Cercis canadensis - flower (KRR & DLN)
• Cercis canadensis - flowers (WSJ)
• Cercis canadensis - leaves and fruit (WSJ)
• Cercocarpus montanus - fruits (WSJ)
• Cereus jamacaru - plant in fruit (WSJ)
• Ceropegia woodii - flower, L.S. (KRR & DLN)
• Ceropegia woodii - flower (KRR & DLN)
• Ceropegia woodii - habit (DLN)
• Cestrum auriantiacum - plant in bloom (SZ)
• Chaerophyllum tainturieri - fruits (WSJ)
• Chamaecrista fasciculata - flower, L.S. (KRR & DLN)
• Chamaecrista fasciculata - flower (KRR & DLN)
• Chamaecrista fasciculata - flowering shoot (DLN)
• Chamaecrista fasciculata - plant in flower and fruit (WSJ)
• Chamaecyparis obtusa - branch with scale leaves (WSJ)
• Chamaecyparis obtusa - cones (WSJ)
• Chamaedorea erumpens - staminate inflorescence (DLN)
• Chamelaucium uncinatum - flower, L.S., ovary, X.S. (KRR & DLN)
• Chamelaucium uncinatum - flowering shoots (DLN)
• Chelidonium majus - flowers (WSJ)
• Chelidonium majus - fruits (WSJ)
• Chenopodium album - flowers (KRR & DLN)
• Chenopodium album - fruits (WSJ)
• Chenopodium album - inflorescence (KRR & DLN)
• Chenopodium ambrosioides - flowers (SZ)
• Chiococca alba - vine with flowers (WSJ)
• Chionanthus virginicus - flowering branches (KRR)
• Chorisia insignis - bark (WSJ)
• Chorisia speciosa - flowers (WSJ)
• Chrysanthemum leucanthemum - flowers (WSJ)
• Chrysophyllum cainito - fruit and seeds (WSJ)
• Chrysophyllum oliviforme - leaves (WSJ)
• Chuckrasia tabularis - flowers (WSJ)
• Chuckrasia tabularis - leaves and inflorescences (WSJ)
• Cichorium intybus - ligulate head, close up (KRR)
• Cichorium intybus - ligulate head (WSJ)
• Cicuta maculata - habit (KRR)
• Cicuta maculata - plant in bloom (WSJ)
• Cinnamomum camphorum - branch with fruits (WSJ)
• Cirsium hillii - discoid head (KRR)
• Cirsium hillii - head in fruit (KRR)
• Cirsium hillii - head, L.S. (KRR)
• Cirsium horridulum - plant in bloom (WSJ)
• Cirsium nuttallii - discoid head (WSJ)
• Cistus lananifer - plant in bloom (DLN)
• Citharexylum fruticosum - plant in bloom (WSJ)
• Citrullus lanatus - habit with fruit (KRR)
• Citrullus lanatus - staminate and carpellate flowers, L.S. (KRR)
• Citrullus lanatus - staminate and carpellate flowers (KRR)
• Citrullus lanatus - stem with staminate and carpellate flowers (KRR)
• Citrus aurantifolia - leaves and fruits (WSJ)
• Citrus limon - flower, L.S. (KRR & DLN)
• Citrus limon - flower (KRR & DLN)
• Citrus sinensis - flowers (WSJ)
• Citrus species - fruits (KRR)
• Citrus species - unifoliolate leaves (KRR)
• Claytonia perfoliata - plant in bloom (SZ)
• Claytonia virginica - field of plants (KRR)
• Claytonia virginica - flower, face view showing stamens opposite petals (KRR & DLN)
• Claytonia virginica - flower, L.S. (KRR & DLN)
• Claytonia virginica - flowers (KRR & DLN)
• Claytonia virginica - fruit (KRR & DLN)
• Claytonia virginica - plant in bloom (KRR)
• Clematis reticulatus - fruits (WSJ)
• Clematis virginiana - fruits (KRR & DLN)
• Cleome domingensis - flowers (WSJ)
• Cleome domingensis - plant in bloom and fruit (WSJ)
• Clerodendrum speciosissimum - fruits (WSJ)
• Clidemia angustilamina - plant in young fruit (WSJ)
• Clidemia hirta - plant in bloom (WSJ)
• Clidemia umbellata - flowers and fruits (WSJ)
• Clinopodium (Calamintha) coccinea - flowers (KRR)
• Clinopodium (Calamintha) grandiflora - base of flower, L.S., showing gynobasic style (KRR)
• Clinopodium (Calamintha) grandiflora - inflorescences (KRR)
• Clinopodium (Calamintha) grandiflora - plants in flower (KRR)
• Clinopodium (Calamintha) grandiflora - flowers from below (KRR)
• Clusia rosea - flowers and fruits (WSJ)
• Cnidoscolus species - flowering plant (DLN)
• Cnidoscolus species - staminate flower, L.S. (KRR & DLN)
• Cnidoscolus species - staminate inflorescence (KRR & DLN)
• Cnidoscolus species - stem with stinging hairs (KRR & DLN)
• Cnidoscolus stimulosus - flowers (WSJ)
• Cnidoscolus stimulosus - fruits (WSJ)
• Coccoloba uvifera - branch with fruits (WSJ)
• Coccothrinax argentea - fibrous leaf base (WSJ)
• Cocculus carolinus - flowers (JRA)
• Cocculus carolinus - leaf and inflorescence (JRA)
• Cocculus carolinus - vine in bloom (JRA)
• Cochliostema jacobianum - flower, L.S. (KRR & DLN)
• Cochliostema jacobianum - flower (KRR & DLN)
• Cochliostema jacobianum - habit (DLN)
• Cochliostema jacobianum - stamen detail (KRR & DLN)
• Cocos nucifera - fruits (WSJ)
• Cocos nucifera - habit (WSJ)
• Cocos nucifera - inflorescence (WSJ)
• Cocos nucifera - leaf (WSJ)
• Cocos nucifera - seed, L.S. showing embryo (KRR)
• Cocos nucifera - seedlings (KRR)
• Codiaeum variegatum - carpellate and staminate inflorescences (DLN)
• Coffea arabica - fruits (WSJ)
• Collinsia verna - flower, L.S. (KRR & DLN)
• Collinsia verna - inflorescence (KRR & DLN)
• Collinsia verna - plants in bloom (KRR)
• Colpoon compressum - flowers and fruit (DLN)
• Colubrina asiatica - leaves, flowers and fruits (WSJ)
• Columnea microphylla - flower, L.S. (KRR & DLN)
• Columnea microphylla - flowers (KRR & DLN)
• Columnea zebrina - plant in bloom (MHS)
• Comandra umbellata - flower, L.S. (KRR & DLN)
• Comandra umbellata - plant in bloom (LJM)
• Comarostaphylis glaucescens - dissected flower (SZ)
• Combretum aubletii - flowers (WSJ)
• Combretum aubletii - fruits (WSJ)
• Commelina communis - flower (KRR & DLN)
• Commelina erecta - flowers (WSJ)
• Conium maculatum - leaves and inflorescences (KRR)
• Conium maculatum - plant in bloom (DLN)
• Conocarpus erecta - branch with flowers (WSJ)
• Conopholis alpina - habit (SZ)
• Conopholis americana - plant in bloom (DLN)
• Consolea corallicola - habit (WSJ)
• Consolea moniliformis - flowers (WSJ)
• Convolvulus arvensis - flowers (WSJ)
• Convolvulus arvensis - plants in flower (KRR)
• Convolvulus tricolor - flower, L.S. (KRR)
• Convolvulus tricolor - plants in flower (KRR)
• Coptis groenlandica - plant in bloom (WSJ)
• Cordia boissieri - plant in fruit (WSJ)
• Cordia lutea - flowers (WSJ)
• Coreopsis leavenworthii - flowers (WSJ)
• Coreopsis palmata - plant in bloom (KRR)
• Cornus canadensis - plants in fruit (WSJ)
• Cornus florida - Cornus test (WSJ)
• Cornus florida - flowers, L.S. (KRR & DLN)
• Cornus florida - fruits (WSJ)
• Cornus florida - inflorescence (KRR & DLN)
• Cornus florida - inflorescence, L.S. (KRR & DLN)
• Cornus kousa - inflorescences (KRR)
• Cornus kousa - multiple fruits (KRR)
• Cornus mas - inflorescence (KRR & DLN)
• Cornus nuttallii - inflorescences (KRR)
• Cornus racemosa - flowers (WSJ)
• Cornus racemosa - habit (WSJ)
• Corydalis micrantha - flowers (WSJ)
• Corydalis micrantha - fruits (WSJ)
• Corylus americana - leaves and fruits (WSJ)
• Corypha umbrauculifera - flowering plant (DLN)
• Couroupita guianensis - flowers (WSJ)
• Couroupita guianensis - fruits (WSJ)
• Crassula argentea - flower, face view (KRR & DLN)
• Crassula argentea - flower, lateral view (KRR & DLN)
• Crassula argentea - flower (SZ)
• Crassula argentea - inflorescence (KRR & DLN)
• Crassula argentea - plant in bloom (DLN)
• Crassula falcata - habit (WSJ)
• Crataegus crus-galli - fruits (KRR)
• Crataegus mollis - branch with fruits (WSJ)
• Crataegus mollis - flower, L.S. (KRR)
• Crataegus mollis - flowers (KRR)
• Crinum americanum - flower (WSJ)
• Crinum americanum - plant in bloom (WSJ)
• Crithmum maritimum - habit (KRR)
• Crocus vernalis - habit (DLN)
• Crossopetalum illicifolium - flowers (SZ)
• Crossopetalum rhacoma - twig with fruits (WSJ)
• Crossostylis grandiflora - plant in bloom (SZ)
• Crotalaria spectabilis - flowers (WSJ)
• Croton punctatus - branch with fruits (WSJ)
• Cryptomeria japonica - branch with ovulate cones and pollen strobili (WSJ)
• Cubanola domingensis - flowers (SZ)
• Cucumis sativus - vine with fruits (WSJ)
• Cucurbita moschata - field of fruits (KRR)
• Cucurbita moschata - flower (KRR)
• Cucurbita pepo - androecium (WSJ)
• Cucurbita pepo - carpellate flower, L.S. (KRR & DLN)
• Cucurbita pepo - carpellate flower (WSJ)
• Cucurbita pepo - fruits (SZ)
• Cucurbita pepo - gynoecium (WSJ)
• Cucurbita pepo - staminate flower, L.S. (KRR & DLN)
• Cucurbita pepo - staminate flower (WSJ)
• Cucurbita pepo - vine (WSJ)
• Cupaniopsis anacardioides - flowers (SZ)
• Cuphea hyssopifolia - flower, L.S. (KRR & DLN)
• Cuphea hyssopifolia - flowering shoot (KRR & DLN)
• Cuscuta europaea - flowers (MAG)
• Cuscuta monogyna - flowering plant parasitizing host stems (MAG)
• Cuscuta nivea - plant in bloom (MAG)
• Cyathea arborea - (WSJ)
• Cycas circinalis - habit (WSJ)
• Cycas circinalis - megasporophylls (WSJ)
• Cycas circinalis - young seed in L.S. (WSJ)
• Cycas media - megasporophylls (WSJ)
• Cycas revoluta - leaf (WSJ)
• Cyclamen persicum - flower, L.S. (KRR & DLN)
• Cyclamen persicum - habit of plant (KRR)
• Cylindropuntia caribaea - habit (WSJ)
• Cynanchum laeve - flower, L.S. (KRR)
• Cynanchum laeve - fruit and seeds (KRR)
• Cynanchum laeve - habit of vine (KRR)
• Cynanchum laeve - inflorescence with aphids (Aphis neerii) (KRR & DLN)
• Cynanchum laeve - plant in bloom (KRR)
• Cynara cardunculus - discoid head in flower (KRR)
• Cynara scolymus - artichokes (young inflorescences), L.S. (KRR)
• Cynoglossum amabile - fruits (WSJ)
• Cyperus grayioides - inflorescences (KRR & DLN)
• Cyperus species - inflorescences (C. surianamensis, left; C. strigosus, right) (WSJ)
• Cypripedium acaule - plant in bloom (KRR)
• Cypripedium acaule - plant in bloom (WSJ)
• Cypripedium candidum - flower, L.S. (KRR & DLN)
• Cypripedium candidum - plants in flower (KRR)
• Dacrydium araucarioides - habit (SZ)
• Dactyloctenium aegypticum - inflorescences (WSJ)
• Dalea foliosa - fruits and seeds (KRR)
• Dalea purpurea - flowers in "exploded" view (KRR & DLN)
• Dalea purpurea - inflorescence (KRR)
• Dalea purpurea - plant in flower (KRR)
• Danthonia domingensis - habit (WSJ)
• Darlingtonia californica - habit of plants (DLN)
• Datura metel cv. Belle Blanche - habit (KRR)
• Daucus carota - inflorescence (KRR & DLN)
• Daucus carota - leaves and taproots (KRR)
• Daucus carota - plant in bloom (WSJ)
• Davidia involucrata - inflorescence (KRR)
• Davidia involucrata - leaves and fruits (WSJ)
• Decumaria barbara - flowers (WSJ)
• Delonix regia - flower (WSJ)
• Delonix regia - plant (WSJ)
• Delphinium cv. Streichen - flower, L.S. detail (KRR)
• Delphinium cv. Streichen - flower, L.S. (KRR)
• Delphinium cv. Streichen - flowers, face and side views (KRR)
• Delphinium cv. Streichen - inflorescence (KRR)
• Delphinium ajacis - flower, L.S. (KRR & DLN)
• Delphinium ajacis - flower (KRR & DLN)
• Dendrobium d'albertsii - flower (WSJ)
• Dendropanax arboreus - fruits (WSJ)
• Dendrophthoe curvata - haustoria and epicortical roots on host (DLN)
• Dendrophthoe curvata - plant in bloom (DLN)
• Dendrophthora opuntioides - plant with fruits (WSJ)
• Descurainia pinnata - fruits (WSJ)
• Desmodium canadense - detail of one loment from fruit (KRR)
• Desmodium canadense - fruits (loments) (KRR & DLN)
• Desmodium canadense - SEM photo of hooked trichomes on loment (KRR)
• Desmodium illinoense - inflorescence (KRR)
• Desmodium tortuosum - fruits (WSJ)
• Deutzia species - flower, face view (KRR & DLN)
• Deutzia species - flower, L.S. (KRR & DLN)
• Deutzia species - flowering branch (KRR & DLN)
• Dianthus cv. Parfait Raspberry - flower (KRR)
• Dianthus cv. Parfait Raspberry - flower, L.S. (KRR)
• Diascia cardiosepala, D. macrophylla, D. tenuis - comparison of flowers (DLN)
• Dicentra canadensis - flower, L.S. (KRR & DLN)
• Dicentra canadensis - flower (KRR & DLN)
• Dicentra canadensis - plant in bloom (KRR)
• Dicentra spectabilis - flowers (WSJ)
• Dichondra caroliniana - plant in bloom (WSJ)
• Diervilla lonicera - plant in bloom (DLN)
• Diervilla lonicera - plant in fruit (WSJ)
• Digitalis purpurea - plant in bloom (DLN)
• Diodia teres - habit (KRR)
• Dionaea muscipula - flower, L.S. (KRR & DLN)
• Dionaea muscipula - flower (KRR & DLN)
• Dionaea muscipula - habit (JDS)
• Dionaea muscipula - leaf showing trap (KRR & DLN)
• Dioon edule - plant with ovulate strobilus (WSJ)
• Dioscorea batatus - flowering vines (DLN)
• Dioscorea bulbifera - carpellate flowers (SZ)
• Dioscorea bulbifera - stem with leaves and tubers (WSJ)
• Dioscorea sylvatica - inflorescences (DLN)
• Dioscorea villosa - vine with fruits (WSJ)
• Diospyros blancoi - branch in bloom (SZ)
• Diospyros blancoi - dissected staminate flower (SZ)
• Diospyros digyna - branch and fruits (WSJ)
• Diospyros kaki - fruit (SZ)
• Diospyros texana - flowering branch (KRR & DLN)
• Diospyros texana - staminate flower, L.S. (KRR & DLN)
• Diospyros virginiana - branch in bloom (WSJ)
• Diospyros virginiana - fruits (WSJ)
• Dipelta floribunda - plant in young fruit (WSJ)
• Dipsacus sylvestris - flowers and L.S. (KRR & DLN)
• Dipsacus sylvestris - inflorescence, L.S. (KRR & DLN)
• Dipsacus sylvestris - inflorescence (KRR & DLN)
• Dodecatheon amethystinum - plant in bloom (DLN)
• Dodecatheon meadia - denticidal capsules (KRR)
• Dodecatheon meadia - flowers, pedicels of older ones becoming erect (KRR)
• Dodecatheon meadia - habit (KRR)
• Dodecatheon meadia - inflorescences, note bee (KRR)
• Dodecatheon meadii - flower, L.S. (KRR & DLN)
• Dodecatheon meadii - flower (KRR & DLN)
• Dodecatheon meadii - ovary dissection (KRR & DLN)
• Dombeya species - flowers (WSJ)
• Dorstenia multiradiata - plant with inflorescences (KRR & DLN)
• Dorstenia radiata - inflorescence, L.S. (KRR & DLN)
• Dorstenia radiata - inflorescence top view (KRR & DLN)
• Dovyalis hebecarpa - branch in bloom (WSJ)
• Downingia cuspidata - plant in bloom (SZ)
• Draba laciniata - flower, L.S. (KRR & DLN)
• Draba laciniata - flowers (KRR & DLN)
• Dracaena draco - leaves showing resins and berries (WSJ)
• Drimys winteri - branch with flowers (SZ)
• Drimys winteri - flower, L.S. (KRR)
• Drimys winteri - flower (KRR)
• Drosera species - fly caught on trichomes (KRR & DLN)
• Drosera traceyi - plant in bloom (SZ)
• Dryopteris celsa - close-up of sori showing indusia (DLN)
• Duranta erecta - flower (KRR & DLN)
• Duranta erecta - flowering shoots (KRR & DLN)
• Ecballium elaterium - vine with flowers and fruit (DLN)
• Echinacea pallida - flowering plants in tallgrass prairie (KRR)
• Echinacea pallida - fruiting head (KRR)
• Echinacea pallida - fruiting head, L.S. (KRR)
• Echinacea pallida - fruits (KRR)
• Echinacea pallida - head, L.S. (KRR & DLN)
• Echinacea pallida - radiate head (KRR)
• Echinocactus grusonii - habit (DLN)
• Echinocystis lobata - vine in bloom (WSJ)
• Echinodorus berteroiana - flowers (WSJ)
• Echites umbellata - fruit (DLN)
• Echites umbellata - plant in bloom (DLN)
• Echium nervosum - habit (KRR)
• Ehretia anacua - leaves and flowers (WSJ)
• Eichhornia crassipes - flowers (WSJ)
• Eichhornia crassipes - leaves (DLN)
• Eleocharis vivipara - showing vivipary (LJM)
• Elymus canadensis - inflorescences (KRR)
• Embothrium coccineum - flowers (KRR)
• Encephalartos laurentianus - ovulate strobilus (WSJ)
• Encyclia cochleata - flower shows nonresupinate condition (DLN)
• Encyclia cordilliera - flowers (SZ)
• Enkianthus species - plant in bloom (WSJ)
• Ephedra distachya - habit (DLN)
• Ephedra viridis - habit (CSC)
• Ephedra viridis - male cones (microstrobili) (CSC)
• Epidendrum radiatum - plant showing pseudobulbs (DLN)
• Epidendrum radicans - close-up of column (KRR & DLN)
• Epidendrum radicans - column, L.S. (KRR & DLN)
• Epidendrum radicans - flowers (KRR & DLN)
• Epidendrum radicans - habit (DLN)
• Epidendrum radicans - pollinaria (KRR & DLN)
• Epifagus virginiana - buds of autogamous flowers (KRR & DLN)
• Epifagus virginiana - plants in bloom (DLN)
• Epilobium angustifolium - flowers (WSJ)
• Equisetum arvense - (WSJ)
• Equisetum hyemale - close-up of strobilus showing sporangiophores and sporangia (DLN)
• Equisetum hyemale - habit of plant showing terminal strobilus (DLN)
• Equisetum sylvaticum - (CSC)
• Equisetum telmateia - habit (DLN)
• Equisetum telmateia - whorled branches (DLN)
• Eranthis hyemalis - follicles, close-up (KRR)
• Eranthis hyemalis - follicles (KRR)
• Eranthis hyemalis - habit of plant in bloom (KRR)
• Erica arborea - flowers (KRR)
• Erica arborea - habit (KRR)
• Erica cinerea and Calluna vulgaris - British "heathland" (KRR)
• Eriocaulon decangulare - head of flowers (SZ)
• Eriocaulon decangulare - plant in bloom (WSJ)
• Eriogonum tomentosum - flowers (WSJ)
• Eryngium yuccifolium - flowers and L.S. (KRR & DLN)
• Eryngium yuccifolium - habit (KRR)
• Eryngium yuccifolium - inflorescence, L.S. (KRR & DLN)
• Eryngium yuccifolium - inflorescence (KRR & DLN)
• Eryngium yuccifolium - plant in bloom (DLN)
• Erythrina crista-galli - flowering branch (DLN)
• Erythrina herbacea - fruits (WSJ)
• Erythronium americanum - flower, L.S. (KRR & DLN)
• Erythronium americanum - plant in bloom (WSJ)
• Eschscholtzia caespitosa - plant in bloom (SZ)
• Eucalyptus coccifera - flowers, L.S. (KRR)
• Eucalyptus pressiana - branch with flowers (SZ)
• Eugenia axillaris - branch with flowers (WSJ)
• Euglossa - with pollinia of Gongora and Peristeria (WMW)
• Euonymus alatus - flower (KRR & DLN)
• Euonymus alatus - fruits (DLN)
• Euonymus americanus - branch with fruits (WSJ)
• Euonymus bungeanus - flowers (WSJ)
• Eupatorium perfoliatum - plant in bloom (WSJ)
• Eupatorium species - inflorescences (KRR & DLN)
• Euphorbia species - habits (E. coerulescens, E. obesa, E. trigona) (DLN)
• Euphorbia corollata - cyathia (KRR & DLN)
• Euphorbia corollata - plant in bloom (KRR)
• Euphorbia cotinifolia - cyathium developmental series (KRR & DLN)
• Euphorbia cotinifolia - cyathium dissected, ovary, X.S. (KRR & DLN)
• Euphorbia cotinifolia - staminate flowers (KRR & DLN)
• Euphorbia gymnonota - plant in bloom (CSC)
• Euphorbia hypericifolia - plant in bloom (WSJ)
• Euphorbia lactea - habit (WSJ)
• Euphorbia marginata - plant in bloom (WSJ)
• Euphorbia mauritanica - cyathia (WSJ)
• Euphorbia mauritanica - habit (WSJ)
• Euphorbia millii - bracts and cyathium (KRR & DLN)
• Euphorbia millii - cyathium dissected (KRR & DLN)
• Euphorbia millii - cyathium, L.S. (KRR & DLN)
• Euphorbia millii - flowering branches (DLN)
• Euphorbia pulcherrima - cyathia (WSJ)
• Euphorbia pulcherrima - plant in bloom (WSJ)
• Euphoria longan - fruits (WSJ)
• Eustoma exaltatum - flowers (WSJ)
• Eustoma grandiflora - flowers (KRR)
• Evolvulus boscana - flower, L.S. (KRR & DLN)
• Evolvulus boscana - flower (KRR & DLN)
• Exacum affine - flower, L.S. (KRR & DLN)
• Exacum affine - flower (KRR & DLN)
• Exacum affine - plant in bloom (WSJ)
• Exochorda racemosa - flower, L.S. (KRR & DLN)
• Exochorda racemosa - flower (KRR & DLN)
• Exochorda racemosa - fruit (KRR)
• Exochorda racemosa - inflorescences (KRR)
• Fagopyrum esculentum - inflorescences (KRR)
• Fagopyrum esculentum - node with ocrea (KRR)
• Fagopyrum esculentum - one inflorescence (KRR)
• Fagus grandifolia - fruits (KRR)
• Fagus grandifolia - habit, showing fall color (WSJ)
• Fagus sylvatica - branch with fruits (DLN)
• Fagus sylvatica cv. Atropurpurea - habit (KRR)
• Feijoa sellowiana - branch with flowers (DLN)
• Ferocactus species - flower, L.S. (KRR & DLN)
• Ferocactus species - spines (KRR & DLN)
• Festuca elatior - spikelet close-up (KRR & DLN)
• Festuca elatior - spikelets (KRR & DLN)
• Ficus aurea - strangler on Taxodium distichum (WSJ)
• Ficus bengalensis - branch with figs (WSJ)
• Ficus carica - fruits (KRR)
• Ficus citrifolia - branch with figs (WSJ)
• Ficus diversifolia - plant with figs (syconia) (DLN)
• Ficus diversifolia - syconium in L.S. (KRR)
• Ficus virens - habit of curtain fig (DLN)
• Fimbristylis caroliniana - plant in fruit (WSJ)
• Fimbristylis vahlii - habit of plant (KRR)
• Fimbristylis vahlii - inflorescence close-up (KRR)
• Flacourtia inermis - branch in bloom (WSJ)
• Foeniculum vulgare 'Ruby' - leaves and inflorescences (KRR)
• Forsythia japonica - flower, L.S. (KRR & DLN)
• Forsythia japonica - plant in bloom (DLN)
• Forsythia × intermedia - flowers (KRR)
• Fothergilla gardenii - plant in bloom (WSJ)
• Fothergilla majus - flower showing petaloid stamens (KRR & DLN)
• Fothergilla majus - inflorescence (KRR & DLN)
• Fothergilla species - fruits (WSJ)
• Fragaria virginiana - flower, L.S. (KRR & DLN)
• Fragaria virginiana - flower (KRR & DLN)
• Fragaria × ananassa - fruits (WSJ)
• Fragaria × ananassa - mature fruit with achenes (KRR)
• Fragaria × ananassa - older fruit (KRR)
• Fragaria × ananassa - young fruit (KRR)
• Franklinia alatamaha - capsules, dehiscing loculicidally above, septicidally below (KRR)
• Franklinia alatamaha - flower (KRR)
• Fraxinus americana - fruits (WSJ)
• Fraxinus pennsylvanica - staminate and carpellate inflorescences (KRR & DLN)
• Fraxinus quadrangulata - flowers (WSJ)
• Fuchsia pringsheimii - flowers (WSJ)
• Fuchsia triphylla - flowers (KRR)
• Fuchsia triphylla - flowers, side view, face view, L.S. (KRR)
• Fuchsia triphylla - inflorescences (KRR)
• Fuchsia × hybrida - flower, L.S. (KRR & DLN)
• Gaillardia pulchella - radiate head (WSJ)
• Galanthus nivalis - flower, L.S. (KRR & DLN)
• Galanthus nivalis - habit of plant in snow (DLN)
• Galium (Asperula) odoratum - flower, L.S. (KRR & DLN)
• Galium (Asperula) odoratum - flowering shoot (KRR & DLN)
• Gardenia jasminoides - flowers (KRR)
• Gastrococcus crispus - triads (WSJ)
• Gaylussacia brachycera - plant in flower (KRR)
• Gaylussacia nana - plant in bloom (WSJ)
• Gentiana alba - fruits (KRR)
• Gentiana andrewsii - habit (KRR)
• Gentiana andrewsii - seeds (KRR)
• Gentiana procera - plant in flower (KRR)
• Gentiana puberulenta - plant in flower (KRR)
• Gentiana quinquefolia - flower, L.S. (KRR)
• Gentiana quinquefolia - flowering shoots (KRR)
• Gentiana quinquefolia - plant in flower (KRR)
• Gentiana quinquefolia - seeds (KRR)
• Geranium carolinanum - fruits (WSJ)
• Geranium carolinanum - plant in bloom (WSJ)
• Geranium maculatum - first day flower, stigmas closed (KRR)
• Geranium maculatum - flower, L.S. (KRR & DLN)
• Geranium maculatum - flower (WSJ)
• Geranium maculatum - fruit (KRR & DLN)
• Geranium maculatum - plant in bloom (KRR)
• Geranium maculatum - second day flower, stigmas open (KRR)
• Geum canadense - flower (KRR)
• Geum canadense - flower, L.S. (KRR)
• Geum canadense - fruit (KRR)
• Geum canadense - habit (KRR)
• Geum triflorum - fruits (KRR)
• Geum triflorum - habit (KRR)
• Ginkgo biloba - ovulate (megasporangiate) reproductive structures (SPD)
• Ginkgo biloba - microsporangiate reproductive structures (SPD)
• Ginoria glabra - flowers (WSJ)
• Gladiolus species - flowers (WSJ)
• Glandularia canadensis - flower dissection showing stamens (KRR & DLN)
• Glandularia canadensis - flower, L.S. of top portion (KRR & DLN)
• Glandularia canadensis - flower, L.S. (KRR & DLN)
• Glandularia canadensis - flowering shoot (KRR & DLN)
• Glandularia maritima - plant in bloom (WSJ)
• Glechoma hederacea - habit (KRR)
• Gloriosa superba - flower (WSJ)
• Gloxinia perennis - plant in bloom (DLN)
• Glycine max - flower, L.S. (KRR)
• Glycine max - flower (KRR)
• Gnetum species - habit (DLN)
• Gnetum species - ovulate reproductive axes (WSJ)
• Goethea strictiflora - cauliflorus flowers (KRR)
• Goethea strictiflora - flowers, L.S. (KRR)
• Gomphrena globosa - flowers (KRR & DLN)
• Gomphrena globosa - inflorescence, L.S. (KRR & DLN)
• Gomphrena globosa - inflorescence (KRR & DLN)
• Gordonia lasianthus - flower (WSJ)
• Gossypium lanceolatum - flower, L.S. (KRR & DLN)
• Gossypium lanceolatum - flower showing epicalyx (KRR & DLN)
• Gossypium lanceolatum - plant with flowers and fruits (DLN)
• Gossypium species - fruits (KRR)
• Gratiola pilosa - plant in bloom (WSJ)
• Grevillea robusta - fruits (WSJ)
• Grevillea robusta - leaves and flowers (WSJ)
• Guaiacum officinale - flowers (WSJ)
• Guapira discolor - branch with fruits (WSJ)
• Guapira obtusata - flowers (WSJ)
• Gustavia superba - flowers (SZ)
• Guzmania monostachya - fruits (WSJ)
• Guzmania monostachya - plant in fruit (WSJ)
• Habenaria repens - close up of flowers (WSJ)
• Habenaria repens - plant in bloom (WSJ)
• Hamamelis mollis - flowers, L.S. (KRR & DLN)
• Hamamelis mollis - inflorescences (KRR & DLN)
• Hamamelis vernalis - fruit (KRR)
• Hamamelis virginiana - flowers (DLN)
• Hamelia patens - branch with flowers (WSJ)
• Harpullia arborea - leaves and fruits (WSJ)
• Harrisella porecta - flowers and fruits (SZ)
• Harrisia simpsonii - plant in fruit (WSJ)
• Hebe salicifolia - flowering branches (DLN)
• Hebranthus robustus - capsule and black seeds (WSJ)
• Hedera helix - flowers (DLN)
• Hedera helix - inflorescences (KRR)
• Hedera helix - juvenile foliage (KRR)
• Hedera helix - mature foliage (KRR)
• Hedera helix - vine (KRR)
• Hedychium coronatum - flower (WSJ)
• Hedychium coronatum - plant in bloom (WSJ)
• Hedychium coronatum - stem with ligules (WSJ)
• Hedyosmum arborescens - flowering shoot (DLN)
• Hedyotis pusilla - flowering shoots (DLN)
• Helianthemum nashii - flowers (WSJ)
• Helianthemum nashii - plant in bloom (WSJ)
• Helianthus angustifolius - flowers (KRR & DLN)
• Helianthus angustifolius - head, L.S. (KRR & DLN)
• Helianthus angustifolius - radiate head (KRR & DLN)
• Helianthus annuus - field of plants in flower (KRR)
• Helianthus annuus - fruits (achenes) (KRR)
• Helianthus annuus - plant in bloom (WSJ)
• Helianthus annuus - radiate head (KRR)
• Helianthus grosseserratus - plant in flower (KRR)
• Heliopsis helianthoides - flowers, ray and disk (KRR & DLN)
• Heliopsis helianthoides - head, L.S. (KRR & DLN)
• Heliopsis helianthoides - plants in flower (KRR)
• Heliotropium amplexicaule - plant in bloom (WSJ)
• Heliotropium species - flower, L.S. (KRR & DLN)
• Helleborus purpurascens - plant in bloom (DLN)
• Heracleum lanatum - habit, note sheathing leaf bases (KRR)
• Heracleum lanatum - hollow stem (KRR)
• Hesperis matronalis - flower, L.S. (KRR & DLN)
• Hesperis matronalis - flowers (KRR & DLN)
• Heterocentron subtriplinervium - flower, L.S. (KRR & DLN)
• Heterocentron subtriplinervium - flower (KRR & DLN)
• Heteromeles arbutifolia - fruits (DLN)
• Heuchera sanguinea - flower, L.S. (KRR & DLN)
• Heuchera sanguinea - plant in bloom (DLN)
• Hibiscus moscheutos - flower buds (WSJ)
• Hibiscus moscheutos - fruits (WSJ)
• Hibiscus moscheutos - stem with flowers (WSJ)
• Hibiscus rosa-sinensis - monadelphous stamens and stigmas (KRR & DLN)
• Hibiscus rosa-sinensis - ovary, X.S. (KRR & DLN)
• Hibiscus rosa-sinensis. - flower, L.S. (KRR & DLN)
• Hibiscus schizopetalus - flower (KRR)
• Hibiscus species - flower (KRR)
• Hippocratea volubilis - vine showing lateral branches (WSJ)
• Homocladium platycladium - flowering branches (DLN)
• Hottonia inflata - plant in bloom (LJM)
• Houttuynia cordata - inflorescence (KRR & DLN)
• Hoya grandiflora - plant in bloom (DLN)
• Hudsonia tomentosa - plant in bloom (WSJ)
• Huntleya burtii - flower (WMW)
• Huperzia lucidula - (WSJ)
• Hybanthus concolor - plant in flower (DLN)
• Hybanthus prunifolius - fruits (WSJ)
• Hydnophytum formicarum - fruiting branches (DLN)
• Hydnophytum species - bulbous stem cut open to show ant chambers (DLN)
• Hydnophytum species - showing bulbous stems (DLN)
• Hydrangea heteromalla - plant in bloom (WSJ)
• Hydrangea heteromalla - young fruits (WSJ)
• Hydrangea quercifolia - branch in bloom (WSJ)
• Hydrastis canadensis - plant in fruit (WSJ)
• Hydrocotyle umbellata - plant in bloom (WSJ)
• Hylocereus triangularis - fruit (WSJ)
• Hylocereus undatus - flower (WSJ)
• Hymenocallis latifolia - plant in bloom (WSJ)
• Hymenocallis speciosa - flowers (WSJ)
• Hypericum cistifolium - flowers (WSJ)
• Hypericum cistifolium - fruits (WSJ)
• Hypericum frondosum cv. Sunburst - flower, L.S. (KRR & DLN)
• Hypericum frondosum cv. Sunburst - flowers (KRR & DLN)
• Hypericum frondosum cv. Sunburst - ovary, X.S. (KRR & DLN)
• Hypericum perforatum - leaves with pellucid dots (WSJ)
• Hyphene indica - fruits (WSJ)
• Hyphene indica - plant (WSJ)
• Hyphene indica - staminate flowers (WSJ)
• Hypoxis hirsuta - flower, L.S. (KRR & DLN)
• Hypoxis hirsuta - flower (KRR & DLN)
• Hypoxis hirsuta - plant in flower (KRR)
• Ilex cassine - branch in fruit (WSJ)
• Ilex opaca - carpellate flower, L.S. (KRR & DLN)
• Ilex opaca - carpellate flowers (KRR & DLN)
• Ilex opaca × cassine - carpellate flowers (WSJ)
• Ilex verticillata - branch in fruit (WSJ)
• Ilex vomitoria - staminate flowers (WSJ)
• Illicium floridanum - flower (WSJ)
• Illicium parviflorum - fruit (WSJ)
• Inga paterno - flowers (WSJ)
• Inga species - flower (KRR)
• Inga species - flower, L.S. (KRR)
• Inga species - flowering shoots (KRR)
• Ipomoea cordatotriloba - plant in bloom (WSJ)
• Ipomoea cv. Heavenly Blue - flowers (KRR)
• Ipomoea hederifolia - flowers and fruits (WSJ)
• Ipomoea pes-caprae - flowers (WSJ)
• Ipomoea pes-caprae - fruits (WSJ)
• Ipomoea purpurea - flower, L.S. (KRR & DLN)
• Ipomoea purpurea - flower (KRR & DLN)
• Ipomoea species - fruit, X.S. (KRR)
• Ipomopsis aggregata - flowers, side view (KRR)
• Ipomopsis aggregata - upper part of flowers, L.S. (KRR)
• Ipomopsis rubra - flowers (WSJ)
• Iris cristata - flower, L.S. (KRR & DLN)
• Iris cristata - habit (DLN)
• Iris cultivar - flowers (KRR)
• Iris cultivar - top view of flower, one style cut (KRR)
• Iris foetidissima - dehisced capsule (KRR)
• Iris foetidissima - fruits (KRR)
• Iris foetidissima - plant in flower (KRR)
• Iris hexagona - flower (WSJ)
• Iris hexagona - plant in bloom (WSJ)
• Iryanthera sp. - branches and fruits (JRA)
• Iryanthera sp. - slash in bark, showing red sap (JRA)
• Isopyrum biternatum - flower, L.S. (KRR & DLN)
• Isopyrum biternatum - plants in bloom (KRR)
• Isopyrum biternatum - young fruits (KRR & DLN)
• Iva imbricata - plant in bloom (WSJ)
• Ixora coccinea - plant in bloom (WSJ)
• Jacquemontia curtissii - flowers (WSJ)
• Jamesia americana - flower, L.S. (KRR)
• Jamesia americana - flowering branch (KRR)
• Jatropha interigma - carpellate flowers (WSJ)
• Jatropha interigma - staminate flowers (WSJ)
• Jatropha multifida - carpellate and staminate flowers (KRR & DLN)
• Jatropha multifida - inflorescence (KRR & DLN)
• Jatropha multifida - plant in flower (DLN)
• Jeffersonia diphylla - older flower showing valvate anther dehiscence (CSC)
• Jeffersonia diphylla - plant (CSC)
• Jeffersonia diphylla - young flower (CSC)
• Juglans cordiformis - twig with fruits (WSJ)
• Juglans jamaicensis - twig with fruits (WSJ)
• Juglans nigra - allelopathic zone around tree (DLN)
• Juglans nigra - branches with fruits (drupes) (KRR)
• Juglans nigra - carpellate flower (KRR)
• Juglans nigra - fruit dissection (WSJ)
• Juglans nigra - fruit, whole and L.S. (KRR)
• Juglans nigra - twig, L.S., showing chambered pith (KRR)
• Juncus dichotomous - fruits (WSJ)
• Juncus dichotomous - plant in bloom (WSJ)
• Juncus effusus - immature fruits (WSJ)
• Juncus roemarianus - plant in fruit (WSJ)
• Juniperus occidentalis - habit (DLN)
• Juniperus virginiana - branch with ovulate cones (WSJ)
• Kageneckia oblonga - plant with fruits (KRR)
• Kalanchoe daigremoniana - leaves with plantlets (DLN)
• Kalanchoe delagoense - close-up of plantlets with roots (DLN)
• Kalanchoe delagoense - leaves with plantlets (DLN)
• Kalanchoe gastonis-bonnieri - plant in bloom (WSJ)
• Kalanchoe marmorata - dichasium (KRR & DLN)
• Kalanchoe marmorata - flower, L.S. (KRR & DLN)
• Kalanchoe marmorata - inflorescence (KRR & DLN)
• Kalmia buxifolia - flowers (KRR)
• Kalmia buxifolia - habit (KRR)
• Kalmia latifolia - flower (KRR & DLN)
• Kalmia latifolia - stamens (KRR & DLN)
• Kalopanax pictus - branch with prickles (KRR)
• Kalopanax pictus - leaves (KRR)
• Kigelia pinnata - flowers (WSJ)
• Kigelia pinnata - fruits (WSJ)
• Koelreuteria paniculata - flowering branch (KRR)
• Koelreuteria paniculata - flowers (KRR & DLN)
• Koelreuteria paniculata - inflorescence (KRR & DLN)
• Koelreuteria paniculata - leaves and fruits (WSJ)
• Kolkwitsia amabilis - plant in bloom (KRR)
• Kolkwitzia amabilis - floral pedicels (KRR & DLN)
• Kolkwitzia amabilis - flower, L.S. (KRR & DLN)
• Kolkwitzia amabilis - fruits (WSJ)
• Lachnanthes caroliniana - flowers (WSJ)
• Lachnanthes caroliniana - plant in bloom (WSJ)
• Lachnanthes caroliniana - roots (WSJ)
• Lachnocaulon anceps - plant in bloom (WSJ)
• Lactuca graminifolia - fruits (WSJ)
• Lagerstroemia indica - fruits (WSJ)
• Lagerstroemia indica - habit (KRR)
• Lagerstroemia indica - inflorescence (KRR)
• Laguncularia racemosa - branch with flowers and young fruits (DLN)
• Laguncularia racemosa - branch with fruits (WSJ)
• Laguncularia racemosa - leaves with domatia and extrafloral nectar glands (WSJ)
• Lamium purpureum - flower, L.S. (KRR & DLN)
• Landoltia punctata - entire plant (WSJ)
• Lantana camara - flowers (WSJ)
• Lantana camara - plant in fruit (WSJ)
• Laportea canadensis - stem with stinging hairs (KRR & DLN)
• Larix laricina - branch with ovulate cones (WSJ)
• Larrea tridentata - branch with flowers (WSJ)
• Lathyrus latifolia - flower, L.S. (KRR & DLN)
• Lathyrus latifolia - flowering shoots (DLN)
• Lathyrus odoratus cv. Royal Family - flower, side view, one wing petal removed (KRR)
• Lathyrus odoratus cv. Royal Family - flowers, face view (KRR)
• Lathyrus odoratus cv. Royal Family - flowers, side view, one wing and one keel petal removed (KRR)
• Laurus nobilis - flowering shoots (DLN)
• Lavendula pinnata - shrub habit (KRR)
• Lavendula stoechas - habit (KRR)
• Lechea torreyi - plant in bloom (WSJ)
• Leitneria floridana - branch with fruits (WSJ)
• Lemna minor - habit (KRR & DLN)
• Leonurus cardiarica - plant in bloom (WSJ)
• Leptospermum continentale - fruits (WSJ)
• Leucaena leucocephala - fruits (WSJ)
• Leucospermum species - flowers (SZ)
• Leucothoe fontanesiana - fruits (WSJ)
• Leucothoe racemosa - flowers (WSJ)
• Liatris aspera - fruits (achenes) (KRR)
• Liatris pycnostachya - flowers (KRR & DLN)
• Liatris pycnostachya - heads (KRR & DLN)
• Liatris pycnostachya - plants in bloom (DLN)
• Liatris scariosa var. nieuwlandii - heads in fruit (KRR)
• Liatris scariosa var. nieuwlandii - secondary inflorescence of discoid heads (KRR)
• Liatris tenuifolia - flowers (WSJ)
• Licaria triandra - fruits (WSJ)
• Ligustrum japonicum - flowers (WSJ)
• Lilium catesbaei - flower (WSJ)
• Lilium michauxii - plant in bloom (WSJ)
• Lilium philadelphicum var. andinum - habit (KRR)
• Limnobium spongia - carpellate flower (WSJ)
• Limnobium spongia - fruit (WSJ)
• Limnobium spongia - plant (WSJ)
• Limnobium spongia - staminate flower (KRR & DLN)
• Linaria macroccana - flowering shoots (DLN)
• Linaria macroccana - fruits (KRR)
• Lindera benzoin - flowering carpellate shoots (DLN)
• Liquidambar formosana - branch with fruits (WSJ)
• Liquidambar styraciflua - branch (WSJ)
• Liquidambar styraciflua - fruit (KRR & DLN)
• Liquidambar styraciflua - staminate and carpellate inflorescences, L.S. (KRR & DLN)
• Liquidambar styraciflua - staminate and carpellate inflorescences (KRR & DLN)
• Liquidambar styraciflua - staminate inflorescence (KRR & DLN)
• Liquidambar styraciflua - young shoot in bloom (WSJ)
• Liriodendron tulipifera - flower, L.S. (KRR & DLN)
• Liriodendron tulipifera - flower (WSJ)
• Liriodendron tulipifera - fruits (KRR)
• Liriodendron tulipifera - fruits (WSJ)
• Liriodendron tulipifera - leaves and flower (WSJ)
• Liriodendron tulipifera - stipules (WSJ)
• Lirodendron tulipifera - flower, face view (KRR & DLN)
• Lirodendron tulipifera - flower showing three sepals (DLN)
• Litchi chinensis - fruit and seed (KRR)
• Lithospermum canescens - flower (KRR & DLN)
• Lithospermum canescens - pin and thrum flowers, L.S. (KRR & DLN)
• Lithospermum canescens - seeds (KRR)
• Lithospermum croceum - plant in bloom (KRR)
• Litsea gracilis - fruits in market in Malaysia (DLN)
• Lobelia assurgens - plant in bloom (WSJ)
• Lobelia cardinalis - inflorescence (KRR)
• Lobelia cornuta - flower, L.S., lower portion (KRR & DLN)
• Lobelia cornuta - flower, L.S., upper portion (KRR & DLN)
• Lobelia cornuta - flowering branch (KRR & DLN)
• Lobelia feayana - plant in bloom (WSJ)
• Lobelia rotundifolia - plant in bloom (WSJ)
• Lobelia siphilitica - plant in bloom (WSJ)
• Lobelia spicata - inflorescence (KRR & DLN)
• Lonicera cf. sempervirens - flowers and L.S. (KRR & DLN)
• Lonicera japonica - flowers (DLN)
• Lonicera morrowii - flowering branch (KRR & DLN)
• Lonicera morrowii - flowers, L.S. (KRR & DLN)
• Lonicera sempervirens - flowers (WSJ)
• Lophophora williamsii - plant in bloom (CSC)
• Loropetalum chinense - flowers (WSJ)
• Ludwigia peruviana - flowers (WSJ)
• Ludwigia suffruticosa - flowers and fruits (WSJ)
• Lunaria annua - fruits (KRR)
• Lupinus perennis - flowers (KRR & DLN)
• Luzula multiflora - habit of plant (DLN)
• Lychnis chalcedonica - flower, L.S. showing ovules (KRR & DLN)
• Lychnis chalcedonica - flower, L.S. (KRR)
• Lychnis chalcedonica - flowers (KRR)
• Lychnis chalcedonica - inflorescence (KRR & DLN)
• Lycopodiella alopecuroides - (WSJ)
• Lycopodium (Diphasiastrum) digitatum - habit (DLN)
• Lycopodium (Diphasiastrum) digitatum - plant showing strobili (DLN)
• Lycopodium annotinum - (WSJ)
• Lycopodium clavatum - (WSJ)
• Lycopodium dendroideum - (WSJ)
• Lyonia lucida - flowers (WSJ)
• Lyonothamnus floribundus subsp. aspleniifolius - leaves and fruits (KRR)
• Lysichiton americanum - plant with flowers (KRR)
• Lysimachia ciliata - plant in bloom (DLN)
• Lythrum alatum - flowers (SZ)
• Lythrum salicaria - flowering shoots (KRR & DLN)
• Lythrum salicaria - flowers, L.S. showing heterostyly (KRR & DLN)
• Lythrum salicaria - invading wetland (KRR)
• Lythrum salicaria - plant in native habitat (KRR)
• Macadamia integrifolia - flowers and fruits (DLN)
• Macadamia integrifolia - fruits and seeds (DLN)
• Macadamia integrifolia - inflorescence (DLN)
• Macbridea caroliniana - flowering plant (KRR)
• Macfadyena unquis-cati - dissected flower (WSJ)
• Macfadyena unquis-cati - vine in bloom (WSJ)
• Macleania cordifolia - flowers (WSJ)
• Maclura pomifera - branch with fruits (WSJ)
• Maclura pomifera - carpellate flower (KRR & DLN)
• Maclura pomifera - carpellate inflorescence, L.S. (KRR & DLN)
• Maclura pomifera - carpellate inflorescence (KRR & DLN)
• Maclura pomifera - close up of fruit (WSJ)
• Maclura pomifera - fruits (DLN)
• Maclura pomifera - staminate flowers (KRR & DLN)
• Maclura pomifera - staminate inflorescence (KRR)
• Macrosolen crassus - plant in bloom (DLN)
• Macrozamia moorei - habit (WSJ)
• Magnolia (Mitchelia) chapaea - flower (DLN)
• Magnolia grandiflora - developing fruit (KRR)
• Magnolia grandiflora - first day flower (KRR)
• Magnolia grandiflora - flower (WSJ)
• Magnolia grandiflora - mature fruit with seeds (Scott McKay for KRR)
• Magnolia grandiflora - older flower, stamens dropping (KRR)
• Magnolia grandiflora - second day flower (KRR)
• Magnolia macrophylla - flower (KRR)
• Magnolia macrophylla - leaf impression (KRR)
• Magnolia sieboldii - flower, L.S. (KRR)
• Magnolia sieboldii - flower (KRR)
• Magnolia stellata - flower in L.S. (WSJ)
• Magnolia stellata - flower (WSJ)
• Magnolia stellata - habit (KRR)
• Magnolia virginiana - branch with flowers (WSJ)
• Magnolia virginiana - flower, L.S. (KRR & DLN)
• Magnolia virginiana - flower (KRR)
• Magnolia virginiana - fruits (WSJ)
• Magnolia × soulangeana - flower, L.S. (KRR & DLN)
• Magnolia × soulangeana - flowers (KRR)
• Magnolia × soulangeana - habit (KRR)
• Maianthemum racemosum - plant in fruit (WSJ)
• Malaviscus arboreus - flower (WSJ)
• Malpighia coccigera - flower, L.S. (KRR & DLN)
• Malpighia coccigera - flowering branch (KRR & DLN)
• Malpighia emarginata - flowers (WSJ)
• Malpighia emarginata - fruits (WSJ)
• Malpighia glabra - branch with flower buds (WSJ)
• Malus hupehensis - flower, L.S. (KRR & DLN)
• Malus ioensis - pomes in L.S. and X.S. (KRR & DLN)
• Malus × robusta - flower (CSC)
• Mammea americana - flower (WSJ)
• Manettia inflata - branch with flowers (DLN)
• Mangifera indica - fruits (WSJ)
• Manilkara zapota - flowers, fruits (WSJ)
• Marsilea quadrifolia - habit (DLN)
• Maurandya (=Asarina) barclaiana - plant in bloom (DLN)
• Maytenus senegalensis - inflorescence (KRR & DLN)
• Mecranium ovatum - branch with fruits (WSJ)
• Melanoselinum decipiens - "tree" habit (KRR)
• Melia azedarach - flowers (WSJ)
• Melia azedarach - fruits (WSJ)
• Melocactus communis - habit (WSJ)
• Mentha × piperita - plant in bloom (WSJ)
• Meriania brevipedunculata - flower (JDS)
• Merremia dissecta - vine in fruit (WSJ)
• Mertensia virginica - calyx and gynoecium (KRR & DLN)
• Mertensia virginica - flower, L.S. (KRR & DLN)
• Mertensia virginica - plant in bloom (KRR)
• Metasequoia glyptostroboides - plant showing pollen strobili (DLN)
• Metopium toxiferum - leaves and fruits (WSJ)
• Metopium toxiferum - plant in flower (DLN)
• Metrosideros excelsa - flowers (CSC)
• Miconia dodecandra - flowers (WSJ)
• Miconia howardiana - plant in bloom (WSJ)
• Miconia impetiolaris - leaves and fruits (WSJ)
• Miconia prasina - fruits (WSJ)
• Miconia prasina - leaves and flowers (WSJ)
• Miconia sintenisii - flowers (WSJ)
• Miconia subcompressa - branch with flowers and fruits (WSJ)
• Mimosa pudica - flowering branch (DLN)
• Mimulus guttatus - plant in bloom (SZ)
• Mirabilis jalapa - flowers (WSJ)
• Mitchella repens - plant in flower (KRR)
• Mitella diphylla - plant in bloom (WSJ)
• Mitella nuda - flowers (WSJ)
• Moluccella laevis - 4 lobes of gynobasic ovary inside persistent calyx (KRR)
• Moluccella laevis - face view of corolla inside calyx (KRR)
• Moluccella laevis - flower from below, 2 petals removed, stamens didynamous (KRR)
• Moluccella laevis - flower, L.S. (KRR)
• Moluccella laevis - inflorescence, calyx campanulate (KRR)
• Momordica charantia - vine with flowers (WSJ)
• Momordica charantia - vine with fruits (WSJ)
• Monarda fistulosa - connate anthers (KRR & DLN)
• Monarda fistulosa - flowers (KRR & DLN)
• Monarda fistulosa - inflorescence (KRR & DLN)
• Monarda punctata - verticillata inflorescences subtended by pinkish bracts (KRR)
• Monizia edulis - "tree" habit (KRR)
• Monotropa hypopithys - flowers, some sepals and petals removed (KRR)
• Monotropa hypopithys - habit (KRR)
• Monotropa uniflora - plant in bloom (WSJ)
• Monstera deliciosa - inflorescence (spadix) (KRR)
• Monstera species - young fruit (DLN)
• Monstera tenuis - juvenile and adult leaves (DLN)
• Monstera tenuis - juvenile leaves on tree trunk (DLN)
• Moraea species - flowering plant showing curled leaves (DLN)
• Myrica cerifera - fruits (WSJ)
• Myrica cerifera - twigs with carpellate flowers (WSJ)
• Myrica cerifera - twigs with staminate flowers (WSJ)
• Myrica pennsylvanica - carpellate inflorescences (KRR & DLN)
• Myrica pennsylvanica - staminate and carpellate inflorescences (KRR & DLN)
• Myrica pennsylvanica - staminate inflorescences (KRR & DLN)
• Myrica pennsylvanica - surface of leaf showing glands (KRR & DLN)
• Morus alba - fruits (KRR)
• Morus alba - silkworm larvae (KRR)
• Morus rubra - fruiting branch (KRR & DLN)
• Morus rubra - multiple fruit and L.S. (KRR & DLN)
• Muehlenbeckia complexa - flowers (KRR & DLN)
• Murraya paniculata - branch in bloom (WSJ)
• Mussaenda luteola - flowers subtended by bract (KRR)
• Myodocarpus fraxinifolius - plant in bloom (SZ)
• Myosotis species - plant in bloom (DLN)
• Myrcianthes fragrans - branch with flowers (WSJ)
• Myrciaria cauliflora - fruits (WSJ)
• Myrica gale - twig with carpellate flowers (WSJ)
• Myristica fragrans - seeds and arils (JDS)
• Myrsine floridana - leaves and fruits (WSJ)
• Napaea dioica - ovary, X.S. (KRR)
• Napaea dioica - staminate and carpellate flowers, L.S. (KRR)
• Narcissus cultivar - plants in flower (KRR)
• Narcissus tazella - flower, L.S. (KRR & DLN)
• Narcissus tazella - ovary, X.S. (KRR & DLN)
• Nectandra coriacea - flowering shoots (DLN)
• Nectandra coriacea - fruits (WSJ)
• Neomarica northiana - flower (DLN)
• Neomarica northiana - inflorescence (DLN)
• Neoregelia species - plant in bloom (WSJ)
• Nepeta cataria - plant in flower (KRR)
• Nephelium lappaceum - fruits (DLN)
• Nephrolepis exaltata - (WSJ)
• Nerium oleander - branch with fruits (WSJ)
• Nestronia umbellula - plant in bloom (LJM)
• Nestronia umbellula - staminate flowers, L.S. (KRR & DLN)
• Nicotiana sylvestris - plant in bloom (DLN)
• Nicotiana tabacum - field (KRR)
• Nicotiana tabacum - flowers (WSJ)
• Nolina brittoniana - plant in fruit (WSJ)
• Nuphar advena - close-up of flower (WSJ)
• Nuphar advena - flower, L.S. (KRR & DLN)
• Nuphar advena - gynoecium, L.S. (KRR & DLN)
• Nuphar variegata - flowers and leaves (WSJ)
• Nymphaea odorata - flower and leaves (WSJ)
• Nymphaea odorata - flower (KRR)
• Nymphaea tuberosa - flower, L.S. (KRR & DLN)
• Nymphaea tuberosa - gynoecium and L.S. (KRR & DLN)
• Nymphaea tuberosa - laminar stamen series (KRR & DLN)
• Nyssa biflora - branch in fruit (WSJ)
• Nyssa sylvatica - flowering branch (KRR & DLN)
• Nyssa sylvatica - flowers, L.S. (KRR & DLN)
• Nyssa sylvatica - inflorescence (KRR & DLN)
• Obolaria virginica - flowering shoots (DLN)
• Ochrosia elliptica - fruits (WSJ)
• Ocimum basilicum - plant in bloom (DLN)
• Ocimum basilicum - young fruits (KRR & DLN)
• Oenothera biennis - ovary, L.S. and X.S. (KRR & DLN)
• Oenothera elata subsp. hirsutissima - flower (SZ)
• Oenothera laciniata - plant in bloom (WSJ)
• Oenothera speciosa - anther with viscid pollen, close-up (KRR & DLN)
• Oenothera speciosa - anthers with viscid pollen (KRR & DLN)
• Oenothera speciosa - flower, L.S. (KRR & DLN)
• Oenothera speciosa - flower, face view, close-up (KRR & DLN)
• Oenothera speciosa - flower, face view (KRR)
• Oenothera speciosa - flower, L.S. (KRR)
• Oenothera speciosa - flower, side view (KRR)
• Oenothera speciosa - flowers (WSJ)
• Olea europaea - flowers (SZ)
• Olea europaea - fruits (DLN)
• Oncidium macranthum - flowers (WMW)
• Oncidium sphacelatum - column close-up (KRR & DLN)
• Oncidium sphacelatum - flower (KRR & DLN)
• Oncoba spinosa - flower (JDS)
• Ophioglossum vulgatum - habit (DLN)
• Oplismenus hirtellus subsp. setarius - plant in bloom (WSJ)
• Opuntia humifusa var. ammophila - habit (WSJ)
• Opuntia humifusa var. humifusa - flowers and fruits (WSJ)
• Opuntia macrorhiza - flower, L.S. (KRR)
• Opuntia macrorhiza - plant in flower (KRR)
• Opuntia stricta - fruits (WSJ)
• Opuntia stricta - plant in bloom (WSJ)
• Opuntia stricta - stem with spines (WSJ)
• Orobanche uniflora - plant in bloom (JDS)
• Orontium aquaticum - habit (KRR)
• Oryza sativa - plant in reproductive condition (CSC)
• Osmanthus americanus - branch with fruits (WSJ)
• Osmorhiza longistyla - inflorescence (KRR & DLN)
• Osmorhiza longistyla - plant in bloom (DLN)
• Osmorhiza longistyla - staminate and carpellate flowers (KRR & DLN)
• Osmunda cinnamomea - (WSJ)
• Ostrya virginiana - branch with staminate and carpellate inflorescences (KRR)
• Ostrya virginiana - catkins (WSJ)
• Ostrya virginiana - fruits (KRR)
• Ostrya virginiana - mature fruits (WSJ)
• Oxalis corniculata - fruits (WSJ)
• Oxalis pes-caprae - dissected flower showing androecium and gynoecium (SZ)
• Oxalis pes-caprae - flowers (SZ)
• Oxalis species - flower, L.S. (KRR & DLN)
• Oxalis species - fruit (KRR & DLN)
• Oxalis species - inflorescence (KRR & DLN)
• Oxalis violacea - flower, L.S. (KRR & DLN)
• Oxypolis filiformis var. filiformis - flowers (SZ)
• Pachira aquatica - floral dissection (WSJ)
• Pachira aquatica - flower (WSJ)
• Pachystachys lutea - flowers (WSJ)
• Palicouria alpina - branch with flowers (WSJ)
• Panax quinquefolia - flowers and young fruits (KRR & DLN)
• Panax quinquefolius - habit (KRR)
• Panax species - habits (P. quinquefolius, P. trifolius) (KRR)
• Panicum species - inflorescence (WSJ)
• Papaver nudicaule - flower (SZ)
• Papaver orientale - young capsule, X.S. (KRR & DLN)
• Papaver orientale - young capsule (KRR & DLN)
• Paphiopedilum species - flower (DLN)
• Parkinsonia aculeata - flower (WSJ)
• Paronychia patula - plant in bloom (WSJ)
• Parthenium integrifolium - flowering plant (KRR)
• Parthenocissus quinquefolia - flowers (WSJ)
• Paspalum notatum - inflorescence (WSJ)
• Passiflora caerulea - flower (DLN)
• Passiflora edulis - mature fruits and arillate seeds (WSJ)
• Passiflora edulis × incarnata - flower (WSJ)
• Passiflora incarnata - flower (WSJ)
• Passiflora incarnata - immature fruits (WSJ)
• Passiflora incarnata - vine with tendrils (WSJ)
• Passiflora trifasciata - flower, L.S. (KRR & DLN)
• Passiflora trifasciata - flower (KRR & DLN)
• Passiflora trifasciata - flowering vine (DLN)
• Pastinaca sativa - photodermatitis caused by wild parsnip (KRR)
• Pastinaca sativa - plant in bloom (KRR)
• Paulownia tomentosa - flowering branch (DLN)
• Pedicularis canadensis - flower and L.S. (KRR & DLN)
• Pedicularis canadensis - fruit (KRR & DLN)
• Pedicularis canadensis - plant in bloom (KRR)
• Pedilanthus tithymaloides - plant in flower (DLN)
• Pelargonium echinatum - flowers (SZ)
• Pelargonium × hortorum - flower, L.S. (KRR & DLN)
• Pelargonium × hortorum - flower (KRR & DLN)
• Pelargonium × hortorum - inflorescence (DLN)
• Peltandra sagittifolia - fruits (WSJ)
• Peltandra virginica - habit (WSJ)
• Penstemon corymbosus - flowers (SZ)
• Penstemon digitalis - flowers, close-up (KRR)
• Penstemon digitalis - inflorescence (KRR)
• Penstemon hirsutus - fruits (WSJ)
• Penstemon pallidus - flower, L.S. (KRR)
• Penstemon pallidus - flower, side view (KRR)
• Pentas lanceolata - branch with flowers (KRR)
• Pentas lanceolata - flower, L.S. (KRR & DLN)
• Pentas lanceolata - inflorescence (KRR)
• Pentas lanceolata - internodal stipules (KRR & DLN)
• Pentas lanceolata - lower part of flower, L.S. (KRR & DLN)
• Pentas lanceolata - upper part of flower, L.S. (KRR & DLN)
• Peperomia caperata - flower (KRR & DLN)
• Peperomia caperata - inflorescence (KRR & DLN)
• Peperomia species - habit (WSJ)
• Pereskia species - branch with flowers (WSJ)
• Persea americana - flowers (SZ)
• Persea americana - fruit in L.S. (WSJ)
• Persea americana - fruits (WSJ)