| Botanical name | Synonyms | Family | Common name |
| Abelmoschus esculentus | | Malvaceae | Ladies Finger |
| Abelmoschus manihot | Hibiscus manihot | Malvaceae | Sweet Hibiscus |
| Abrus precatorius | | Fabaceae | Gunj |
| Abutilon indicum | Sida indica | Malvaceae | Indian Mallow |
| Abutilon megapotamicum | | Malvaceae | Trailing Abutilon |
| Abutilon pannosum | Sida pannosa, Abutilon muticum, Abutilon glaucum | Malvaceae | Ragged Mallow |
| Abutilon persicum | | Malvaceae | Persian Mallow |
| Abutilon striatum | Abutilon pictum | Malvaceae | Painted Mallow |
| Acacia acicularis | Acacia farnesiana/ minuta | Mimosaceae | Mimosa Bush |
| Acacia auriculiformis | | Mimosaceae | Earleaf Acacia |
| Acacia catechu | | Fabaceae | Cutch Tree |
| Acacia leucophloea | Mimosa leucophloea | Fabaceae | White Bark Acacia |
| Acacia nilotica subsp. indica | | Fabaceae | Babool |
| Acacia torta | Mimosa torta, Acacia intsia, Acacia caesia | Fabaceae | Twisted Acacia |
| Acalypha chamaedrifolia | Acalypha reptans, Acalypha hispaniolae, Croton chamaedrifolius | Euphorbiaceae | Dwarf Cat Tail |
| Acalypha hispida | | Euphorbiaceae | Cat's Tail |
| Acalypha wilkesiana | | Euphorbiaceae | Copperleaf green |
| Acalypha wilkesiana | | Euphorbiaceae | Copperleaf |
| Acampe praemorsa | | Orchidaceae | Acampe Orchid |
| Acanthus ilicifolius | | Acanthaceae | Sea Holly |
| Acer cappadocicum | Acer divergens, Acer laetum | Aceraceae | Caucasian Maple |
| Acer oblongum | | Aceraceae | Himalayan Maple |
| Achillea filipendulina | | Asteraceae | Fernleaf Yarrow |
| Achillea millefolium | | Asteraceae | Common Yarrow |
| Achimenes longiflora | | Gesneriaceae | Cupid's Bower |
| Achyranthes aspera | | Amaranthaceae | Prickly Chaff Flower |
| Achyranthes bidentata | | Amaranthaceae | Two-toothed Chaff Flower |
| Acnistus arborescens | | Solanaceae | Gallinero |
| Acokanthera oppositifolia | Acokanthera longiflora, Acokanthera venenata, Cestrum oppositifolium | Apocynaceae | Poison Bush |
| Aconitum ferox | | Ranunculaceae | Himalayan Monkshood |
| Aconitum hookerii | | Asteraceae | Hooker's Monkshood |
| Acriopsis liliifolia | Acriopsis harae | Orchidaceae | Lily Leaf Acriopsis |
| Acrocarpus fraxinifolius | | Caesalpiniaceae | Pink Cedar |
| Actinodaphne hookeri | | Lauraceae | Pisa |
| Adansonia digitata | | Bombacaceae | Baobab |
| Adenanthera pavonina | Adenanthera gersenii, Adenanthera polita, Corallaria parvifolia | Fabaceae | Red Sandalwood |
| Adenium obesum | | Apocynaceae | Desert Rose |
| Adenocalymna comosum | Bignonia comosa | Bignoniaceae | Yellow Trumpet Vine |
| Adenoon indicum | | Asteraceae | Blue Sonki |
| Adenostemma lavenia | Verbesina lavenia, Adenostemma viscosum | Asteraceae | Sticky Daisy |
| Adhatoda vasica | Justicia adhatoda | Acanthaceae | Malabar Nut |
| Aechmea distichantha | | Bromeliaceae | Brazilian Vaseplant |
| Aechmea fasciata | | Bromeliaceae | Silver Vase Bromeliad |
| Aechmea gamosepala | | Bromeliaceae | Match Stick Plant |
| Aegiceras corniculatum | | Myrsinaceae | River Mangrove |
| Aeginetia indica | | Orobanchaceae | Forest Ghost Flower |
| Aeonium spp. | | Crassulaceae | Aeonium |
| Aerides maculosum | | Orchidaceae | Fox Brush Orchid |
| Aeschynanthus lobbianus | | Gesneriaceae | Lipstick Vine |
| Aeschynomene americana | | Fabaceae | American Joint Vetch |
| Aganosma dichotoma | Echites caryophyllata | Apocynaceae | Malati |
| Agapanthus caulescens | | Agapanthaceae | Lily of the Nile |
| Agave americana | | Agavaceae | Century Plant |
| Agave attenuata | | Agavaceae | Swan's Neck Agave |
| Ageratina adenophora | Eupatorium adenophorum, Eupatorium glandulosum | Asteraceae | Catweed |
| Ageratum conyzoides | | Asteraceae | Goat Weed |
| Ageratum houstonianum | | Asteraceae | Floss Flower |
| Agrimonia pilosa | Agrimonia dahurica | Rosaceae | Hairy Agrimony |
| Agrostemma githago | | Caryophyllaceae | Corn Cockle |
| Ailanthus excelsa | | Simaroubaceae | Indian Tree of Heaven |
| Ainsliaea aptera | | Asteraceae | Wingless Ainsliaea |
| Ajuga lupulina | | Lamiaceae | Himalayan Bugle |
| Alangium platanifolium | | Alangiaceae | Lobed-leaf Alangium |
| Alangium salviifolium | | Alangiaceae | Ankol |
| Albizia chinensis | | Fabaceae | Chinese Albizia |
| Albizia lebbeck | | Fabaceae | Siris Tree |
| Albizia procera | | Fabaceae | White Siris |
| Alcea rosea | | Malvaceae | Hollyhock |
| Allamanda blanchetii | Allamanda violacea | Apocynaceae | Purple Allamanda |
| Allamanda cathartica | | Apocynaceae | Golden Trumpet Vine |
| Allardia glabra | Waldheimia glabra | Asteraceae | Smooth Allardia |
| Allium ampeloprasum | | Alliaceae | Elephant Garlic |
| Allium cepa | | Liliaceae | Onion |
| Allium cernuum | | Alliaceae | Nodding Onion |
| Allium hookeri | | Alliaceae | Maroi Napakpi |
| Allium schoenoprasum | | Alliaceae | Chives |
| Allium tuberosum | | Alliaceae | Garlic Chives |
| Allium wallichii | | Alliaceae | Himalaya Onion |
| Alocasia macrorhiza | Alocasia indica | Araceae | Giant Taro |
| Aloe deltoideodonta | | Asphodelaceae | Delta-shaped Aloe |
| Aloe humilis | | Asphodelaceae | Spider Aloe |
| Aloe vera | Aloe barbadensis, Aloe indica, Aloe vulgaris | Asphodelaceae | Aloe Vera |
| Alpinia calcarata | | Zingiberaceae | Snap Ginger |
| Alpinia purpurata | | Zingiberaceae | Red Ginger |
| Alpinia zerumbet | | Zingiberaceae | Shell Ginger |
| Alpinia zerumbet 'Variegata' | | Zingiberaceae | Variegated Shell Ginger |
| Alstonia scholaris | | Apocynaceae | Devil Tree |
| Alstroemeria spp. | | Amaryllidaceae | Peruvian Lily |
| Alternanthera dentata | | Amaranthaceae | Joy Weed |
| Alternanthera philoxeroides | | Amaranthaceae | Alligator Weed |
| Alternanthera sessilis | | Amaranthaceae | Sessile Joyweed |
| Alysicarpus longifolius | Hedysarum longifolium | Fabaceae | Long Leaved Alysicarpus |
| Alysicarpus pubescens | | Fabaceae | Alysicarpus |
| Alysicarpus tetragonolobus | | Fabaceae | Red Alysicarpus |
| Amaranthus caudatus | | Amaranthaceae | Love Lies Bleeding |
| Amaranthus cruentus 'Hot Biscuits' | Amaranthus paniculatus | Amaranthaceae | Hot Biscuits Amaranth |
| Amaranthus spinosus | | Amaranthaceae | Prickly Amaranth |
| Amherstia nobilis | | Fabaceae | Pride of Burma |
| Amischophacelus axillaris | Tonningia axillaris | Commelinaceae | Creeping Cradle Plant |
| Amorphophallus commutatus | | Araceae | Dragon Stalk Yam |
| Ampelocissus latifolia | | Vitaceae | Wild Grape |
| Anacardium occidentale | | Anacardiaceae | Cashew |
| Anagallis arvensis ssp. foemina | | Primulaceae | Blue Pimpernel |
| Ananas comosus | Ananas ananas, Bromelia ananas, Bromelia comosa | Bromeliaceae | Pineapple |
| Anaphalis margaritacea | | Asteraceae | Western Pearly Everlasting |
| Anaphalis nepalensis | | Asteraceae | Nepal Pearly Everlasting |
| Andrographis paniculata | Justicia paniculata | Acanthaceae | Kariyat |
| Androsace lanuginosa | | Primulaceae | Woolly Rock Jasmine |
| Androsace rotundifolia | | Primulaceae | Roundleaf Rock Jasmine |
| Androsace sarmentosa | | Primulaceae | Rock Jasmine |
| Anemone coronaria | | Ranunculaceae | Poppy Anemone |
| Anemone pavonina | | Ranunculaceae | Peacock Anemone |
| Anemone rivularis | | Ranunculaceae | River Anemone |
| Anemone sylvestris | | Ranunculaceae | Snowdrop Anemone |
| Anemone tetrasepala | | Ranunculaceae | Four Petal Anemone |
| Anemopaegma chamberlaynii | Bignonia chamberlaynii | Bignoniaceae | Trumpet Vine |
| Angelonia angustifolia 'Alba' | | Scrophulariaceae | White Angelonia |
| Angelonia angustifolia | | Scrophulariaceae | Narrowleaf Angelonia |
| Anisomeles heyneana | | Lamiaceae | Western Hill Catmint |
| Anisomeles malabarica | Anisomeles salviifolia, Nepeta malabarica | Lamiaceae | Malabar Catmint |
| Annona reticulata | Annona humboldtiana, Annona humboldtii | Annonaceae | Netted Custard Apple |
| Annona squamosa | | Annonaceae | Sugar Apple |
| Anogeissus acuminata | Anogeissus pendula, Conocarpus acuminatus | Combretaceae | Buttontree |
| Anthurium andraeanum | | Araceae | Flamingo Flower |
| Antigonon leptopus 'Alba' | | Polygonaceae | White Coral Vine |
| Antigonon leptopus | | Polygonaceae | Coral Vine |
| Antirrhinum majus | | Scrophulariaceae | Dog Flower |
| Aporocactus flagelliformis | | Cactaceae | Rat Tail Cactus |
| Aptenia cordifolia | | Aizoaceae | Baby Sun Rose |
| Aquilegia pubiflora | | Ranunculaceae | Himalayan Columbine |
| Arachis hypogaea | | Fabaceae | Groundnut |
| Arachnis flos-aeris | Arachnis flosaeris | Orchidaceae | Spider Orchid |
| Arctotis venusta | | Asteraceae | Blue Eyed African Daisy |
| Areca catechu | | Arecaceae | Betel Palm |
| Argemone mexicana | | Papaveraceae | Mexican Prickly Poppy |
| Argyreia cuneata | Convolvulus cuneatus | Convolvulaceae | Purple Morning Glory |
| Argyreia hookeri | | Convolvulaceae | Hooker's Woodrose |
| Argyreia sericea | | Convolvulaceae | Silky Morning Glory |
| Argyreia strigosa | Argyrela Swtosa, lpomoea strigosa | Convolvulaceae | Bristled Woodrose |
| Arisaema erubescens | | Araceae | Blushing Cobra Lily |
| Arisaema intermedium Blume | | Araceae | Blume's Cobra Lily |
| Arisaema jacquemontii | | Araceae | Jacquemont's Cobra Lily |
| Arisaema murrayi | | Araceae | Murray's Cobra Lily |
| Arisaema nepenthoides | | Araceae | Cobra Lily |
| Arisaema propinquum | | Araceae | Wallich's Cobra Lily |
| Arisaema tortuosum | | Araceae | Whipcord Cobra Lily |
| Arisaema utile | | Araceae | Sikkim Cobra Lily |
| Aristolochia indica | | Aristolochiaceae | Indian Birthwort |
| Aristolochia spp. | | Aristolochiaceae | Calico Flower |
| Arnebia benthamii | | Boraginaceae | Himalayan Arnebia |
| Artabotrys hexapetalus | Annona hexapetala, Artabotrys odoratissimus | Annonaceae | Hari Champa |
| Artemisia nilagirica | Artemisia vulgaris, Artemisia vulgaris var. nilagirica | Asteraceae | Indian Wormwood |
| Artemisia stelleriana | | Asteraceae | Dusty Miller |
| Artocarpus altilis | | Moraceae | Breadfruit |
| Artocarpus heterophyllus | Artocarpus integer, Artocarpus integrifolia, Artocarpus jaca | Moraceae | Jackfruit |
| Arundina graminifolia | Arundina bambusifolia, Bletia graminifolia, Arundina speciosa | Orchidaceae | Bamboo Orchid |
| Asclepias curassavica | | Asclepiadaceae | Scarlet Milkweed |
| Asclepias physocarpa | | Asclepiadaceae | Balloon Plant |
| Ascocenda spp. | | Orchidaceae | Ascocenda Princess Mikasa |
| Asparagus officinalis | | Asparagaceae | Garden Asparagus |
| Asparagus racemosus | Asparagus volubilis | Liliaceae | Satawari |
| Asparagus setaceus | | Liliaceae | Plumosa Fern |
| Aster albescens | Microglossa albescens | Asteraceae | Fading Himalayan Aster |
| Aster alpinus | | Asteraceae | Blue Alpine Daisy |
| Aster amellus | | Asteraceae | Italian Aster |
| Aster diplostephioides | | Asteraceae | Creeping Aster |
| Aster hesperius | Aster lanceolatus /Symphyotrichum lanceolatum | Asteraceae | Willow Aster |
| Astragalus floridus | | Fabaceae | Himalayan Milk Vetch |
| Astragalus himalayanus | | Fabaceae | Himalayan Astragalus |
| Asystasia dalzelliana | Asystasia violacea | Acanthaceae | Violet Asystasia |
| Asystasia gangetica | | Acanthaceae | Ganges Primrose |
| Asystasia intrusa | | Acanthaceae | Common Asystasia |
| Atalantia wightii | Atalantia ceylanica | Rutaceae | Nilgiri Atalantia |
| Averrhoa bilimbi | | Oxalidaceae | Bilimbi |
| Averrhoa carambola | | Oxalidaceae | Star Fruit |
| Avicennia officinalis | | Acanthaceae | Indian Mangrove |
| Azadirachta indica | Melia azadirachta | Meliaceae | Neem |
| Bacopa monnieri | | Scrophulariaceae | Brahmi |
| Bambusa vulgaris | | Poaceae | Bamboo |
| Baptisia australis | | Fabaceae | Blue Wild Indigo |
| Barbarea intermedia | | Brassicaceae | Medium Winter-cress |
| Barleria cristata | | Acanthaceae | Philippine Violet white |
| Barleria cuspidata | | Acanthaceae | Spiny Barleria |
| Barleria grandiflora | | Acanthaceae | Grand Barleria |
| Barleria lawii | | Acanthaceae | Law's Barleria |
| Barleria lupulina | | Acanthaceae | Hophead |
| Barleria prattensis | | Acanthaceae | Pink Barleria |
| Barleria prionitis | | Acanthaceae | Porcupine Flower |
| Barleria repens | | Acanthaceae | Red Barleria |
| Barleria terminalis | | Acanthaceae | Blue Barleria |
| Barringtonia acutangula | | Lecythidaceae | Barringtonia |
| Barringtonia asiatica | Barringtonia speciosa | Lecythidaceae | Sea Poison Tree |
| Basella alba var. rubra | | Basellaceae | Malabar Spinach |
| Bauhinia acuminata | | Caesalpiniaceae | White Orchid Tree |
| Bauhinia galpinii | | Caesalpiniaceae | Red Orchid Tree |
| Bauhinia hookeri | Lysiphyllum hookeri | Caesalpiniaceae | Mountain Ebony |
| Bauhinia purpurea | | Caesalpiniaceae | Purple Orchid Tree |
| Bauhinia racemosa | | Caesalpiniaceae | Bidi Leaf Tree |
| Bauhinia thonningii | Piliostigma thonningii | Caesalpiniaceae | Wild Bauhinia |
| Bauhinia tomentosa | | Caesalpiniaceae | Yellow Orchid Tree |
| Bauhinia vahlii | | Caesalpiniaceae | Maloo Creeper |
| Bauhinia variegata | | Caesalpiniaceae | Orchid Tree |
| Bauhinia variegata var. candida | Bauhinia alba, Bauhinia variegata var. alboflava | Caesalpiniaceae | Buddhist Bauhinia |
| Bauhinia x blakeana | | Caesalpiniaceae | Hong Kong Orchid Tree |
| Bauhinia x blakeana | | Caesalpiniaceae | White Hong Kong Orchid Tree |
| Beaumontia jerdoniana | | Apocynaceae | Nepal Trumpet Flower |
| Begonia coccinea | | Begoniaceae | Angel Wing Begonia |
| Begonia crenata | | Begoniaceae | Common Begonia |
| Begonia grandis | | Begoniaceae | Hardy Begonia |
| Begonia 'Nonstop Red' | | Begoniaceae | Begonia Nonstop Red |
| Begonia phrixophylla | | Begoniaceae | Shimpli |
| Begonia sempeflorens | | Begoniaceae | Begonia Fair Lady |
| Begonia tessaricarpa | | Begoniaceae | Rebe |
| Belamcanda chinensis | | Iridaceae | Leopard Flower |
| Bellis perennis | | Asteraceae | English Daisy |
| Berberis aristata/chitria | | Berberidaceae | Chitra |
| Berberis koehneana | Berberis koehniana | Berberidaceae | Koehne Barberry |
| Berberis lycium | | Berberidaceae | Indian Barberry |
| Bergenia ciliata | | Saxifragaceae | Frilly Bergenia |
| Bidens biternata | Coreopsis biternata | Asteraceae | Spanish Needles |
| Bidens pilosa | | Asteraceae | Beggar Tick |
| Billbergia pyramidalis | | Bromeliaceae | Foolproof Plant |
| Biophytum sensitivum | | Oxalidaceae | Little Tree Plant |
| Bistorta affinis | Persicaria affinis | Polygonaceae | Himalayan Fleeceflower |
| Bistorta amplexicaulis | | Polygonaceae | Knotweed |
| Bistorta vaccinifolia | Persicaria vaccinifolia | Polygonaceae | Rose Carpet Knotweed |
| Bixa orellana | | Bixaceae | Lipstick Tree |
| Blainvillea acmella | Spilanthes acmella, Verbesina lavenia | Asteraceae | Toothache Plant |
| Blepharis maderaspatensis | | Acanthaceae | Creeping Blepharis |
| Blumea lacera | | Asteraceae | Kakronda |
| Blumea oxyodonta | | Asteraceae | Spiny Leaved Blumea |
| Boerhavia diffusa | | Nyctaginaceae | Red Hogweed |
| Bombax ceiba | Salmalia malabarica | Bombacaceae | Silk Cotton Tree |
| Bombax insigne | Salmalia insignis | Bombacaceae | Showy Silk Cotton Tree |
| Bougainvillea | | Nyctaginaceae | Bougainvillea |
| Brachycome Iberidifolia | | Asteraceae | Swan River Daisy |
| Bracteantha bracteata | | Asteraceae | Paper Daisy |
| Brassica juncea | | Brassicaceae | Mustard |
| Brassica oleracea var. botrytis | | Brassicaceae | Broccoli |
| Brassica oleracea var. botrytis | | Brassicaceae | Cauliflower |
| Breynia retusa | Phyllanthus retusus, Breynia patens | Euphorbiaceae | Cup Saucer Plant |
| Bridelia retusa | | Euphorbiaceae | Spinous Kino Tree |
| Brownea coccinea | Brownea capitella, Brownea latifolia | Caesalpiniaceae | Scarlet Flame Bean |
| Brunfelsia americana | Brunfelsia undulata | Solanaceae | Lady of the Night |
| Brunfelsia pauciflora | Brunfelsia calycina, Franciscea pauciflora, Brunfelsia pauciflora var. calycin | Solanaceae | Yesterday Today and Tomorrow |
| Brya ebenus | Aspalathus ebenus | Fabaceae | Jamaican Ebony |
| Buchnera hispida | | Scrophulariaceae | Karanji |
| Buddleja asiatica | | Buddlejaceae | White Butterfly Bush |
| Buddleja davidii | | Buddlejaceae | Butterfly Bush |
| Buddleja macrostachya | Buddleja cylindrostachya | Buddlejaceae | Long Spiked Butterfly Bush |
| Bupleurum candollei | | Apiaceae | Himalayan Thorowax |
| Butea monosperma | Butea frondosa, Erythrina monosperma, Plaso monosperma | Fabaceae | Flame of the Forest |
| Cadaba fruticosa | | Capparaceae | Indian Cadaba |
| Caesalpinia bonducella | | Fabaceae | Fever Nut |
| Caesalpinia cucullata | Mezoneuron cucullatum | Fabaceae | Ragi |
| Caesalpinia pulcherrima forma flava | | Caesalpiniaceae | Peacock Flower yellow |
| Caesalpinia pulcherrima | | Caesalpiniaceae | Peacock Flower |
| Cajanus cajan | Cytisus cajan, Cajanus indicus, Cajanus flavus | Fabaceae | Arhar |
| Cajanus lineatus | Atylosia lineata | Fabaceae | Wild Toor |
| Calacanthus grandiflorus | | Scrophulariaceae | Large Flowered Calacanthus |
| Calanthe masuca/sylvatica | | Orchidaceae | Forest Calanthe |
| Calanthe tricarinata | | Orchidaceae | Monkey Orchid |
| Calceolaria crenatiflora | | Scrophulariaceae | Pocket Book Plant |
| Calceolaria mexicana | | Scrophulariaceae | Slipper Flower |
| Calendula officinalis | | Asteraceae | Calendula |
| Callaeum macropterum | Mascagnia macroptera, Hiraea macroptera | Malpighiaceae | Yellow Butterfly Vine |
| Calliandra emarginata | | Mimosoideae | Dwarf Powder Puff |
| Calliandra haematocephala 'Alba' | | Fabaceae | White Powder Puff |
| Calliandra haematocephala | | Fabaceae | Red Powder Puff |
| Calliandra schultzei 'Rose Cascade' | | Fabaceae | Pink Powder Puff |
| Callicarpa tomentosa | | Verbenaceae | French Mulberry of Ghats |
| Callistemon salignus | | Myrtaceae | White Bottle Brush |
| Callistemon viminalis | | Myrtaceae | Bottle Brush |
| Callistephus chinensis | | Asteraceae | China Aster |
| Calophyllum inophyllum | | Clusiaceae | Sultan Champa |
| Calotropis gigantea | | Asclepiadaceae | Crown Flower |
| Calotropis procera | | Asclepiadaceae | Rubber Bush |
| Caltha palustris var. himalensis | | Ranunculaceae | Marsh Marigold |
| Calycopteris floribunda | | Combretaceae | Paper Flower Climber |
| Camellia japonica | | Theaceae | Camellia |
| Camellia sinensis | | Theaceae | Tea |
| Campanula cochleariifoli | | Campanulaceae | Fairies Thimbles |
| Campanula dimorphantha | | Campanulaceae | Purple Bellflower |
| Campanula lactiflora | Gadellia lactiflora | Campanulaceae | Milky Bellflower |
| Campanula latifolia | | Campanulaceae | Bell Flower |
| Campsis grandiflora | | Bignoniaceae | Chinese Trumpet Creeper |
| Campsis radicans 'Flava' | | Bignoniaceae | Yellow Trumpet Creeper |
| Campsis radicans | | Bignoniaceae | Trumpet Creeper |
| Cananga odorata | Uvaria odorata | Annonaceae | Ylang Ylang |
| Canavalia ensiformis | | Fabaceae | Horse Bean |
| Cannabis sativa | | Cannabaceae | Marijuana |
| Canna indica | | Cannaceae | Indian Shot |
| Canna spp. | | Cannaceae | Canna |
| Canscora diffusa | | Gentianaceae | Kilwar |
| Capparis decidua | | Capparaceae | Bare Caper |
| Capparis moonii | | Capparaceae | Large Caper |
| Capparis rheedii | | Capparaceae | Rheed's Caper |
| Capparis rotundifolia | | Capparaceae | Round Leaf Caper |
| Capparis sepiaria | | Capparaceae | Wild Caper Bush |
| Capparis spinosa | Capparis murrayana | Capparaceae | Spineless Caper |
| Capparis zeylanica | | Capparaceae | Indian Caper |
| Capsella bursa-pastoris | | Brassicaceae | Shepherd's Purse |
| Capsicum annuum | | Solanaceae | Capsicum |
| Capsicum frutescens | | Solanaceae | Chilli |
| Cardamine hirsuta | | Brassicaceae | Hairy Bitter Cress |
| Cardiocrinum giganteum | Lilium giganteum | Liliaceae | Giant Himalayan Lily |
| Careya arborea | | Lecythidaceae | Wild Guava |
| Carica papaya | | Caricaceae | Papaya |
| Carissa congesta/carandas | | Apocynaceae | Karanda |
| Carissa spinarum | | Apocynaceae | Wild Karanda |
| Carmona retusa | Ehretia microphylla | Boraginaceae | Fukien Tea |
| Carthamus tinctorius | | Asteraceae | Safflower |
| Caryopteris odorata | | Verbenaceae | Bluebeard |
| Caryota urens | | Palmae/Arecaceae | Fishtail Palm |
| Cassia bakeriana | | Caesalpiniaceae | Pink Shower Tree |
| Cassia biflora | Cassia biflora var. semperflorens, Senna pallida | Caesalpiniaceae | Twin Flowered Cassia |
| Cassia fistula | | Caesalpiniaceae | Amaltas |
| Cassia grandis | | Caesalpiniaceae | Coral Shower Tree |
| Cassia javanica | | Caesalpiniaceae | Java Cassia |
| Cassia renigera | | Caesalpiniaceae | Burmese Pink Cassia |
| Cassia roxburghii | | Caesalpiniaceae | Red Cassia |
| Cassia x nealiae | Cassia javanica x fistula | Caesalpiniaceae | Rainbow Shower Tree |
| Cassia x nealiae | Cassia javanica x fistula | Caesalpiniaceae | White Rainbow Shower Tree |
| Cassiope fastigiata | Andromeda fastigiata | Ericaceae | Himalayan Heather |
| Castanospermum australe | | Fabaceae | Australian Chestnut |
| Casuarina equisetifolia | | Casuarinaceae | Whistling Pine |
| Catharanthus roseus | Vinca rosea | Apocynaceae | Periwinkle |
| Cattleya labiata | | Orchidaceae | Cattleya Orchid |
| Catunaregam spinosa | | Rubiaceae | Mountain Pomegranate |
| Cayratia trifolia | Cissus trifolia, Vitis trifolia, Vitis carnosa | Vitaceae | Bush Grape |
| Cedrus deodara | | Pinaceae | Devdar |
| Ceiba insignis | Chorisia insignis | Bombacaceae | White Floss Silk Tree |
| Ceiba pentandra | | Bombacaceae | Kapok Tree |
| Celosia argentea var. cristata | | Amaranthaceae | Cockscomb Crested |
| Celosia argentea var. plumosa | | Amaranthaceae | Cockscomb Plumed |
| Celosia argentea var. spicata | Celosia spicata | Amaranthaceae | Silver Cockscomb |
| Centaurea cyanus | | Asteraceae | Cornflower |
| Centaurea macrocephala | | Asteraceae | Bighead Knapweed |
| Centaurium meyeri | Erythraea meyeri, Erythraea roxburghii, Centaurium centaurioides | Gentianaceae | Pink Centaury |
| Centella asiatica | | Apiaceae/Umbelliferae | Indian Pennywort |
| Centranthera indica | | Scrophulariaceae | Undir Kani |
| Centratherum punctatum | Centratherum muticum | Asteraceae | Brazilian Button Flower |
| Ceropegia lawii | Ceropegia maccannii | Asclepiadaceae | Law's Ceropegia |
| Ceropegia rolleii | | Asclepiadaceae | Rolle's Ceropegia |
| Cestrum aurantiacum | | Solanaceae | Orange Cestrum |
| Cestrum diurnum | | Solanaceae | Day Jasmine |
| Cestrum elegans | | Solanaceae | Red Cestrum |
| Cestrum nocturnum | | Solanaceae | Night Blooming Jasmine |
| Cestrum parqui | | Solanaceae | Green Cestrum |
| Chamaecrista mimosoides | Cassia mimosoides/sensitiva | Caesalpiniaceae | Feather-leaved Cassia |
| Chamerion angustifolium subsp. angustifolium | Epilobium angustifolium | Onagraceae | Fireweed |
| Chassalia spp. | | Rubiaceae | Chassalia |
| Chenopodium album | | Chenopodiaceae | Bathua |
| Chionanthus mala-elengi | | Oleaceae | Malabar Fringe Tree |
| Chlorophytum bharuchae | | Liliaceae | Phulbaji |
| Chlorophytum borivilianum | | Liliaceae | Safed Musli |
| Chlorophytum breviscapum | | Liliaceae | Short Scaped Spider Plant |
| Chlorophytum comosum | | Liliaceae | Spider Plant |
| Chonemorpha fragrans | | Apocynaceae | Frangipani Vine |
| Chorisia speciosa | | Bombacaceae | Floss Silk Tree |
| Christisonia calcarata | | Orobanchaceae | Spurred Christisonia |
| Christisonia tubulosa | | Orobanchaceae | Magenta Ghost Flower |
| Chromolaena odorata | Eupatorium odoratum | Asteraceae | Siam Weed |
| Chrysanthemum coronarium | | Asteraceae | Crown Daisy |
| Chrysanthemum frutescens | | Asteraceae | Marguerite Daisy |
| Chrysanthemum indicum | | Asteraceae | Chrysanthemum |
| Chrysanthemum maximum | | Asteraceae | Shasta Daisy |
| Chrysanthemum morifolium 'Illusion' | Dendranthema X grandiflorum | Asteraceae | Quilled Daisy Mum |
| Chrysanthemum morifolium | Dendranthema X grandiflorum | Asteraceae | Garden Mum |
| Chrysanthemum morifolium | Dendranthema X grandiflorum | Asteraceae | Spider Mum |
| Chrysanthemum morifolium | Dendranthema X grandiflorum | Asteraceae | Spoon Mum |
| Chrysophyllum cainito | | Sapotaceae | Star Apple |
| Chrysothemis pulchella | | Gesneriaceae | Chrysothemis |
| Chukrasia tabularis | | Meliaceae | Chikrasi |
| Cicer arietinum | | Fabaceae | Chickpea |
| Cicerbita macrantha | | Asteraceae | Large Violet Dandelion |
| Cicerbita macrorhiza | | Asteraceae | Violet Dandelion |
| Cicuta virosa | | Umbelliferae/Apiaceae | Cowbane |
| Cinnamomum tamala | Cinnamomum tejpata, Laurus tamala | Lauraceae | Indian Bay Leaf |
| Cinnamomum verum | Cinnamomum zeylanicum | Lauraceae | Cinnamon |
| Cirsium eriophoroides | | Asteraceae | Wool Bearing Thistle |
| Cirsium verutum | | Asteraceae | Thistle |
| Cistanche tubulosa | | Orobanchaceae | Desert Hyacinth |
| Citharexylum spinosum | Citharexylum fruticosum | Verbenaceae | Fiddlewood |
| Citrus aurantifolia | | Rutaceae | Lime |
| Citrus limon | | Rutaceae | Lemon |
| Citrus maxima | Citrus grandis | Rutaceae | Pomelo |
| Citrus medica | | Rutaceae | Citron |
| Citrus sinensis | | Rutaceae | Sweet Orange |
| Clarkia amoena | | Onagraceae | Farewell to Spring |
| Clarkia elegans | | Onagraceae | Clarkia |
| Clematis connata | | Ranunculaceae | Himalayan Clematis |
| Clematis gouriana | | Ranunculaceae | Gourian Clematis |
| Clematis heynei | Clematis triloba | Ranunculaceae | Deccan Clematis |
| Clematis montana | | Ranunculaceae | Anemone Clematis |
| Clematis recta | | | Erect Clematis |
| Clematis wightiana | Clematis brachiata | Ranunculaceae | Travelers Joy |
| Cleome hasslerana | | Capparaceae | Spider Flower |
| Cleome rutidosperma | Cleome ciliata | Capparaceae | Fringed Spider Flower |
| Cleome viscosa/icosandra | | Capparaceae | Asian Spider Flower |
| Clerodendrum chinense | Clerodendrum fragrans/philippinum | Verbenaceae | Chinese Glory Bower |
| Clerodendrum indicum | Clerodendrum siphonanthus | Verbenaceae | Tubeflower |
| Clerodendrum inerme | Volkameria inermis | Verbenaceae | Glory Bower |
| Clerodendrum paniculatum | | Verbenaceae | Pagoda Flower |
| Clerodendrum phlomidis | | Verbenaceae | Arni |
| Clerodendrum serratum | | Verbenaceae | Blue Fountain Bush |
| Clerodendrum speciosum | | Verbenaceae | Red Bleeding Heart |
| Clerodendrum splendens | | Verbenaceae | Flaming Glorybower |
| Clerodendrum thomsoniae | | Verbenaceae | Bleeding Heart Vine |
| Clerodendrum trichotomum | | Verbenaceae | Harlequin Glory Bower |
| Clerodendrum viscosum | | Verbenaceae | Hill Glory Bower |
| Clerodendrum wallichii | Clerodendrum nutans | Verbenaceae | Bridal Veil |
| Clitoria annua | Clitoria biflora | Fabaceae | Bombay Bean |
| Clitoria ternatea | | Fabaceae | Butterfly Pea |
| Clivia miniata | | Amaryllidaceae | Kaffir Lily |
| Coccinia grandis | Coccinia indica | Cucurbitaceae | Ivy Gourd |
| Cochlospermum religiosum | | Bixaceae | Buttercup Tree |
| Cocos nucifera | | Arecaceae | Coconut |
| Codiaeum variegatum | | Euphorbiaceae | Croton |
| Codonopsis viridis | | Campanulaceae | Green Bellflower Vine |
| Coelogyne fimbriata | Coelogyne ovalis | Orchidaceae | Fringed Coelogyne |
| Coelogyne nitida | | Orchidaceae | Coelogyne Orchid |
| Coelogyne punctulata | | Orchidaceae | Spotted Coelogyne |
| Coffea arabica | | Rubiaceae | Coffee |
| Coix lacryma-jobi | Coix arundinacea, Coix lachryma | Poaceae | Job's Tears |
| Colebrookea oppositifolia | | Lamiaceae | Indian Squirrel Tail |
| Coleus blumei | | Lamiaceae | Coleus |
| Colocasia esculenta | | Araceae | Green Taro |
| Colquhounia coccinea | | Lamiaceae | Himalayan Mint Shrub |
| Colvillea racemosa | | Caesalpiniaceae | Colville's Glory |
| Combretum albidum | Combretum ovalifolium | Combretaceae | Piluki |
| Combretum coccineum | | Combretaceae | Flame Vine |
| Combretum rotundifolium | Combretum aubletii | Combretaceae | Monkey Brush Vine |
| Commelina benghalensis | | Commelinaceae | Whiskered Commelina |
| Commelina communis | | Commelinaceae | Common Dayflower |
| Commelina forsskalaei | | Commelinaceae | Kanpet |
| Commelina paludosa | | Commelinaceae | Swamp Dayflower |
| Consolida ajacis | | Ranunculaceae | Larkspur |
| Convolvulus arvensis | | Convolvulaceae | Field Bindweed |
| Convolvulus prostratus | Convolvulus pluricaulis | Convolvulaceae | Shankh Pushpi |
| Conyza stricta | | Asteraceae | Erect Horseweed |
| Copiapoa montana | | Cactaceae | Mountain Copiapoa |
| Corchorus aestuans | Corchorus acutangulus | Tiliaceae | East Indian Mallow |
| Corchorus olitorius | | Tiliaceae | Nalta Jute |
| Cordia dichotoma | | Boraginaceae | Indian Cherry |
| Cordia sebestena | | Boraginaceae | Scarlet Cordia |
| Cordyline fruticosa | | Agavaceae | Ti Plant |
| Coreopsis auriculata | | Asteraceae | Mouse Ear Coreopsis |
| Coreopsis tinctoria | | Asteraceae | Golden Coreopsis |
| Coreopsis verticillata 'Moonbeam' | | Asteraceae | Coreopsis Moonbeam |
| Coriandrum sativum | | Apiaceae | Coriander |
| Coriaria nepalensis | | Coriariaceae | Tanner's Tree |
| Cornus capitata | | Cornaceae | Himalayan Strawberry Tree |
| Coronopus didymus | | Brassicaceae | Bitter Cress |
| Corydalis govaniana | | Fumariaceae | Govan's Corydalis |
| Corydalis juncea | | Fumariaceae | Himalayan Corydalis |
| Corypha umbraculifera | | Arecaceae | Talipot Palm |
| Cosmos atrosanguineus | | Asteraceae | Chocolate Cosmos |
| Cosmos bipinnatus 'Pied Piper Red' | | Asteraceae | Cosmos Pied Piper Red |
| Cosmos bipinnatus | | Asteraceae | Cosmos pink |
| Cosmos bipinnatus | | Asteraceae | Cosmos white |
| Cosmos sulphureus | | Asteraceae | Cosmos orange |
| Cosmostigma racemosum | Asclepias racemosa | Asclepiadaceae | Green Milkweed Creeper |
| Costus speciosus | | Costaceae | Crepe Ginger |
| Cotinus coggygria | | Anacardiaceae | Smoke Tree |
| Cotoneaster integrifolius | | Acanthaceae | Entire-leaved Cotoneaster |
| Cotoneaster microphyllus | | Rosaceae | Rockspray Cotoneaster |
| Couroupita guianensis | | Lecythidaceae | Cannon Ball Tree |
| Crassocephalum crepidioides | Gynura crepidioides | Asteraceae | Thickhead |
| Crataeva adansonii subsp. odora | | Capparaceae | Garlic Pear Tree |
| Crawfurdia speciosa | Gentiana speciosa | Gentianaceae | Showy Gentian Vine |
| Cremanthodium thomsonii | | Asteraceae | Thomson's Cremanthodium |
| Crescentia cujete | | Bignoniaceae | Calabash Tree |
| Crinum amabile | | Amaryllidaceae | Giant Spider Lily |
| Crinum asiaticum | | Amaryllidaceae | Grand Crinum Lily |
| Crinum powellii 'Album' | | Amaryllidaceae | Cape Coast Lily |
| Crinum powellii | | Amaryllidaceae | Cape Lily |
| Crinum zeylanicum/latifolium | | Amaryllidaceae | Milk and Wine Lily |
| Crocosmia crocosmiiflora | | Iridaceae | Montbretia |
| Crossandra infundibuliformis | | Acanthaceae | Crossandra |
| Crossandra nilotica | | Acanthaceae | Red Firecracker Flower |
| Crotalaria calycina | | Fabaceae | Hairy Rattlepod |
| Crotalaria filipes | | Fabaceae | Creeping Hemp |
| Crotalaria juncea | | Fabaceae | Sunn Hemp |
| Crotalaria leptostachya | | Fabaceae | Slender Spiked Rattlepod |
| Crotalaria retusa | | Fabaceae | Rattleweed |
| Crotalaria spectabilis | Crotalaria sericea, Crotalaria leschenenaulti | Fabaceae | Showy Rattlepod |
| Crotalaria verrucosa | | Fabaceae | Blue Rattlepod |
| Croton bonplandianum | | Euphorbiaceae | Ban Tulsi |
| Cryptostegia grandiflora | | Asclepiadaceae | Rubber Vine |
| Cucumis maderaspatanus | Mukia maderaspatana | Cucurbitaceae | Madras Pea Pumpkin |
| Cucumis melo | Cucumis pubescens, Cucumis trigonus, Cucumis callosus | Cucurbitaceae | Melon |
| Cucumis sativus | | Cucurbitaceae | Cucumber |
| Cucurbita pepo | | Cucurbitaceae | Pumpkin |
| Cuphea hyssopifolia | | Lythraceae | Mexican Heather |
| Curculigo orchioides | | Liliaceae | Kali Musli |
| Curcuma angustifolia | | Zingiberaceae | East Indian Arrowroot |
| Curcuma aromatica | | Zingiberaceae | Wild Turmeric |
| Curcuma pseudomontana | | Zingiberaceae | Hill Turmeric |
| Cuscuta europaea var. indica | | Cuscutaceae | Greater Dodder |
| Cuscuta reflexa | | Cuscutaceae | Amar Bel |
| Cyananthus incanus | | Campanulaceae | Low-growing Trailing Bellflower |
| Cyananthus lobatus | | Campanulaceae | Trailing Bellflower |
| Cyananthus microphyllus | | Campanulaceae | Small-leaved Trailing Bellflower |
| Cyanotis arachnoides | | Commelinaceae | Grass of the Dew |
| Cyanotis cristata | | Commelinaceae | Nabhali |
| Cyanotis fasciculata | | Commelinaceae | Nilwanti |
| Cyanotis somaliensis | | Commelinaceae | Pussy Ears |
| Cyanotis tuberosa | | Commelinaceae | Greater Cat Ears |
| Cyathocline lutea | | Asteraceae | Peela Gangotra |
| Cyathocline purpurea | | Asteraceae | Gangotra |
| Cycas revoluta | | Cycadaceae | Sago Palm |
| Cyclamen persicum var. persicum forma roseum | | Primulaceae | Florist Cyclamen pink |
| Cyclamen persicum var. persicum | | Primulaceae | Florist Cyclamen white |
| Cydista aequinoctialis | Mansoa alliacea, Bignonia aequinoctialis, Adenocalymma alliaceum | Bignoniaceae | Garlic Vine |
| Cymbalaria muralis | | Scrophulariaceae | Kenilworth Ivy |
| Cymbidium 'Alison Shaw' | | Orchidaceae | Cymbidium Alison Shaw |
| Cymbidium spp. | | Orchidaceae | Cymbidium hybrid |
| Cymbidium spp. | | Orchidaceae | Cymbidium Orchid |
| Cymbidium tracyanum | | Orchidaceae | Tracy's Cymbidium |
| Cynara cardunculus | | Asteraceae | Cardoon |
| Cynarospermum asperrimum | Blepharis asperrima | Acanthaceae | Hill Blepharis |
| Cynoglossum zeylanicum | | Boraginaceae | Ceylon Forget Me Not |
| Cyperus alternifolius | | Cyperaceae | Umbrella Palm |
| Cyperus compressus | | Cyperaceae | Poorland Flat Sedge |
| Cyperus eragrostis | | Cyperaceae | Umbrella Sedge |
| Cypripedium cordigerum | | Orchidaceae | Heart-shaped Slipper Orchid |
| Cyrtanthus mackenii | | Amaryllidaceae | Ifafa Lily |
| Dahlia coccinea | | Asteraceae | Single Flowered Dahlia |
| Dahlia imperialis | | Asteraceae | Tree Dahlia |
| Dahlia | | Asteraceae | Decorative Dahlia |
| Dahlia | | Asteraceae | Waterlily Dahlia |
| Dalbergia lanceolaria ssp. lanceolaria | | Fabaceae | Takoli |
| Dalbergia latifolia | Amerimnon latifolium | Fabaceae | Black Rosewood |
| Dalbergia sissoo | | Fabaceae | Shisham |
| Dasiphora fruticosa | Potentilla fruticosa | Rosaceae | Shrubby Cinquefoil |
| Datura ferox | | Solanaceae | Fierce Thorn Apple |
| Datura innoxia | | Solanaceae | Datura |
| Datura metel 'Flore Pleno' | | Solanaceae | Datura Double Purple |
| Datura metel | | Solanaceae | Datura Triple Yellow |
| Datura stramonium | | Solanaceae | Jimsonweed |
| Datura suaveolens | | Solanaceae | Angel's Trumpet |
| Decaschistia trilobata | | Malvaceae | Lobed Leaved Mysore Mallow |
| Delonix regia | | Caesalpiniaceae | Gulmohar |
| Delphinium brunonianum | Delphinium jacquemontianum | Ranunculaceae | Musk Larkspur |
| Delphinium dasycaulon | Delphinium malabaricum | Ranunculaceae | Malabar Delphinium |
| Dendranthema X grandiflorum | | Asteraceae | Chrysanthemum pink |
| Dendranthema X grandiflorum | | Asteraceae | Chrysanthemum yellow |
| Dendranthema X grandiflorum | | Asteraceae | White Chrysanthemum |
| Dendrobium aphyllum | Dendrobium pierardii, Callista aphylla, Cymbidium aphyllum | Orchidaceae | Leafless Dendrobium |
| Dendrobium barbatulum | | Orchidaceae | Small Bearded Dendrobium |
| Dendrobium chrysanthum | | Orchidaceae | Golden Flowered Dendrobium |
| Dendrobium fimbriatum | | Orchidaceae | Fringe Lipped Dendrobium |
| Dendrobium formosum | | Orchidaceae | Giant-flowered Dendrobium |
| Dendrobium herbaceum | | Orchidaceae | Grassy Dendrobium |
| Dendrobium infundibulum | | Orchidaceae | Eeyong Lei |
| Dendrobium jenkinsii | | Orchidaceae | Jenkins's Dendrobium |
| Dendrobium lindleyi | Dendrobium aggregatum | Orchidaceae | Lindley's Dendrobium |
| Dendrobium nobile | | Orchidaceae | Noble Dendrobium |
| Dendrobium transparens | | Orchidaceae | Translucent Dendrobium |
| Dendrophthoe curvata | Dendrophthoe falcata, Loranthus longiflorus | Loranthaceae | Honey Suckle Mistletoe |
| Derris trifoliata | Derris uliginosa, Pongamia uliginosa, Robinia uliginosa | Fabaceae | Common Derris |
| Desmodium dichotomum | Desmodium diffusum | Fabaceae | Chikta |
| Desmodium heterocarpon | Hedysarum heterocarpon | Fabaceae | Asian Tick Trefoil |
| Deutzia compacta | | Hydrangeaceae | Compact Deutzia |
| Dianella tasmanica | | Phormiaceae | Flax Lily |
| Dianella tasmanica 'Variegata' | | Phormiaceae | Flax Lily Variegated |
| Dianthus caryophyllus | | Caryophyllaceae | Carnation orange |
| Dianthus caryophyllus | | Caryophyllaceae | Carnation pink |
| Dianthus chinensis | | Caryophyllaceae | China Pink |
| Dichrostachys cinerea | | Fabaceae | Sickle Bush |
| Didymocarpus pedicellatus | Didymocarpus pedicellata | Gesneriaceae | Stone Flower |
| Dieffenbachia amoena | | Araceae | Dumb Cane |
| Digitalis purpurea f. albiflora | | Scrophulariaceae | White Flowered Foxglove |
| Digitalis purpurea | | Scrophulariaceae | Foxglove |
| Dillenia suffruticosa | Wormia suffruticosa | Dilleniaceae | Shrubby Dillenia |
| Dimorphotheca pluvialis | | Asteraceae | African Daisy white |
| Dimorphotheca sinuata | | Asteraceae | African Daisy orange |
| Dimorphotheca sinuata | | Asteraceae | African Daisy yellow |
| Dinetus racemosus | Porana racemosa/ malabarica | Convolvulaceae | Snow Creeper |
| Dioscorea bulbifera | | Dioscoreaceae | Air Yam |
| Diospyros malabarica | Diospyros peregrina | Ebenaceae | Gaub |
| Dipcadi montanum | | Liliaceae | Dipcadi |
| Diphylax urceolata | Habenaria urceolata | Orchidaceae | Pitcher Diphylax |
| Diploclisia glaucescens | Cocculus glaucescens, Cocculus macrocarpus | Menispermaceae | Glaucous Diploclisia |
| Dipteracanthus prostratus | Ruellia prostrata | Acanthaceae | Bell Weed |
| Dombeya spectabilis | Assonia spectabilis | Sterculiaceae | Dombeya |
| Dombeya wallichii | | Sterculiaceae | Pink Ball Dombeya |
| Dorotheanthus bellidiformis | Mesembryanthemum criniflorum | Aizoaceae | Ice Plant |
| Dracaena fragrans | | Agavaceae | Corn Plant |
| Dracaena sanderiana | | Agavaceae | Lucky Bamboo |
| Dracaena ternifolia | | Dracaenaceae | Dracaena |
| Dracocephalum nutans | | Lamiaceae | Nodding Dragonhead |
| Drosera indica | | Droseraceae | Flycatcher |
| Drosera peltata | | Droseraceae | Shield Sundew |
| Duabanga grandiflora | Duabanga sonneratioides | Lythraceae | Duabanga |
| Dubyaea hispida | | Asteraceae | Bristly Dubyaea |
| Duchesnea indica | | Rosaceae | Indian Strawberry |
| Duranta erecta 'Alba' | | Verbenaceae | White Sky Flower |
| Duranta erecta | Duranta repens | Verbenaceae | Sky Flower |
| Duranta repens/erecta 'Variegata' | | Verbenaceae | Variegated Sky Flower |
| Dypsis lutescens | | Palmeae/Arecaceae | Golden Cane Palm |
| Ecbolium ligustrinum | Ecbolium viride | Acanthaceae | Green Shrimp Plant |
| Echeveria peacockii | | Crassulaceae | Peacock Echeveria |
| Echinops echinatus | | Asteraceae | Indian Globe Thistle |
| Echinopsis spp. | | Cactaceae | Sea Urchin Cactus |
| Eclipta prostrata/erecta/alba | | Asteraceae | Bhringaraj |
| Ehretia acuminata | | Boraginaceae | Koda Tree |
| Ehretia laevis | | Boraginaceae | Chamror |
| Eichornia crassipes | | Pontederiaceae | Water Hyacinth |
| Elaeagnus conferta | Elaeagnus latifolia | Elaeagnaceae | Wild Olive |
| Elaeodendron glaucum | Cassine glauca, Mangifera glauca | Celastraceae | Ceylon Tea |
| Elephantopus scaber | | Asteraceae | Elephant Foot |
| Elettaria cardamomum | | Zingiberaceae | Cardamom |
| Elsholtzia fruticosa | | Lamiacaea | Shrubby Mint |
| Entada rheedei | Entada rheedii, Entada pursaetha | Mimosaceae | Sea Bean |
| Enterolobium contortisiliquum | | Mimosaceae | Earpod Tree |
| Epidendrum radicans | | Orchidaceae | Red Crucifix Orchid |
| Epilobium coloratum | | Onagraceae | Purpleleaf Willowherb |
| Epilobium latifolium | | Onagraceae | River Beauty |
| Epilobium laxum | | Onagraceae | Lax Willowherb |
| Epipactis helleborine | Epipactis latifolia, Helleborine macrostachya, Serapias helleborine | Orchidaceae | Broad Leaved Helleborine |
| Epiphyllum crenatum | Epiphyllum macropterum | Cactaceae | Crenate Orchid Cactus |
| Epiphyllum hybrid | | Cactaceae | Orchid Cactus pink |
| Epiphyllum oxypetalum | | Cactaceae | Orchid Cactus |
| Episcia cupreata | Achimenes cupreata | Gesneriaceae | Flame Violet |
| Eranthemum pulchellum | Eranthemum nervosum, Justicia nervosa, Daedalacanthus nervosus | Acanthaceae | Blue Sage |
| Eranthemum roseum | | Acantheceae | Rosy Eranthemum |
| Erigeron bellidioides | | Asteraceae | Hairy Fleabane |
| Erigeron multiradiatus | | Asteraceae | Himalayan Fleabane |
| Erinocarpus nimmonii | Erinocarpus nimmoanus | Tiliaceae | Jangli Bhendi |
| Eriocaulon sedgwickii | | Eriocaulaceae | Spherical Pipewort |
| Eriocaulon spp. | | Eriocaulaceae | Pipewort |
| Eritrichium canum | | Boraginaceae | Scree Plant |
| Eruca sativa | | Brassicaceae | Rocket Salad |
| Eryngium foetidum | | Apiaceae | Long Coriander |
| Erysimum melicentae | | Brassicaceae | Himalayan Wallflower |
| Erythrina blakei | | Fabaceae | Blake's Coral Tree |
| Erythrina crista-galli | | Fabaceae | Cockspur Coral Tree |
| Erythrina stricta var. suberosa | | Fabaceae | Corky Coral Tree |
| Erythrina variegata | Erythrina indica | Fabaceae | Indian Coral Tree |
| Erythrina x bidwillii | | Fabaceae | Coral Bean Tree |
| Eschscholzia caespitosa | | Papaveraceae | Dwarf California Poppy |
| Eschscholzia californica | | Papaveraceae | California Poppy |
| Escobaria missouriensis | | Cactaceae | Yellow Pincushion Cactus |
| Escobaria vivipara | | Cactaceae | Pincushion Cactus |
| Etlingera elatior | Alpinia elatior | Zingiberaceae | Torch Ginger |
| Eucalyptus spp. | | Myrtaceae | Eucalyptus |
| Eucharis grandiflora | | Amaryllidaceae | Amazon Lily |
| Eulophia spectabilis | | Orchidaceae | Spectacular Eulophia |
| Euphorbia antiquorum | | Euphorbiaceae | Triangular Spurge |
| Euphorbia cotinifolia | | Euphorbiaceae | Caribbean Copper Plant |
| Euphorbia hirta | | Acanthaceae | Asthma Weed |
| Euphorbia laeta | Euphorbia rothiana | Euphorbiaceae | Common Hill Spurge |
| Euphorbia milii lutea | | Euphorbiaceae | Yellow Crown of Thorns |
| Euphorbia milii splendens | | Euphorbiaceae | Orchid Crown of Thorns |
| Euphorbia milli | | Euphorbiaceae | Crown of Thorns |
| Euphorbia neriifolia | | Euphorbiaceae | Indian Spurge Tree |
| Euphorbia pulcherrima | | Euphorbiaceae | Poinsettia |
| Euphorbia spp. | | Euphorbiaceae | Crown of Thorns red-green |
| Euphorbia viguieri | | Euphorbiaceae | Viguier's Spurge |
| Euphorbia wallichii | | Euphorbiaceae | Wallich Spurge |
| Euphrasia officinalis | | Scrophulariaceae | Eyebright |
| Euryale ferox | | Nymphaeaceae | Prickly Waterlily |
| Eustoma grandiflorum | Lisianthus russellianus, Bilamista grandiflora | Gentianaceae | Tulip Gentian |
| Evolvulus alsinoides | | Convolvulaceae | Dwarf Morning Glory |
| Evolvulus glomeratus 'Blue Daze' | | Convolvulaceae | Blue Daze |
| Evolvulus nummularius | Convolvulus nummularius | Convolvulaceae | Agracejo Rastrero |
| Exacum pumilum | | Gentianaceae | Little Persian Violet |
| Exacum tetragonum | Exacum tetragonum var. stylosa, Exacum perottetii, Exacum bicolor | Gentianaceae | Bicolor Persian Violet |
| Exacum wightii | | Gentianaceae | Persian Violet |
| Fagopyrum dibotrys> | | Polygonaceae | Perennial Buckwheat |
| Fernandoa adenophylla | Haplophragma adenophyllum | Bignoniaceae | Katsagon |
| Ficus arnottiana | Urostigma arnottiana | Moraceae | Indian Rock Fig |
| Ficus bengalensis | | Moraceae | Banyan Tree |
| Ficus benghalensis var. krishnae | Ficus krishnae | Moraceae | Krishna Fig |
| Ficus benjamina | | Moraceae | Weeping Fig |
| Ficus lyrata | Ficus pandurata | Moraceae | Fiddle Leaf Fig |
| Ficus microcarpa | Ficus retusa, Ficus nitida | Moraceae | Laurel Fig |
| Ficus racemosa/glomerata | | Moraceae | Goolar |
| Ficus religiosa | | Moraceae | Peepal |
| Ficus virens | Ficus infectoria | Moraceae | White Fig |
| Filipendula vestita | | Rosaceae | Himalayan Meadowsweet |
| Fioria vitifolia | Hibiscus vitifolius, Kosteletzkya vitifolia | Malvaceae | Grape Leaved Mallow |
| Firmiana colorata | Erythropsis colorata, Sterculia colorata | Sterculiaceae | Scarlet Sterculia |
| Flemingia strobilifera | | Fabaceae | Wild Hops |
| Foeniculum vulgare | | Apiaceae | Fennel |
| Fragaria vesca/ananassa | | Rosaceae | Strawberry |
| Freesia spp. | | Iridaceae | Freesia |
| Fuchsia corymbiflora | | Onagraceae | Vine Fuchsia |
| Fuchsia spp. | | Onagraceae | Fuchsia |
| Gaillardia 'Fanfare' | | Asteraceae | Gaillardia Fanfare |
| Gaillardia pulchella | | Asteraceae | Blanket Flower |
| Gaillardia pulchella | | Asteraceae | Gaillardia double |
| Galinsoga parviflora | Tridax parviflora | Asteraceae | Quick Weed |
| Galphimia glauca | | Malpighiaceae | Slender Goldshower |
| Gardenia gummifera | | Rubiaceae | Gummy Gardenia |
| Gardenia jasminoides | Gardenia augusta | Rubiaceae | Gardenia |
| Gardenia resinifera | Gardenia lucida | Rubiaceae | Brilliant Gardenia |
| Gaultheria trichophylla | | Ericaceae | Himalayan Snowberry |
| Gazania rigens | | Asteraceae | Gazania |
| Gentiana capitata | | Gentianaceae | Head Gentian |
| Gentiana sino-ornata | | Gentianaceae | Chinese Gentian |
| Gentiana spp. | | Gentianaceae | Gentian |
| Gentiana urnula | | Gentianaceae | Urn-shaped Gentian |
| Geodorum densiflorum | | Orchidaceae | Nodding Swamp Orchid |
| Geranium himalayense | | Geraniaceae | Himalayan Geranium |
| Geranium ocellatum | Geranium bicolor, Geranium choorense, Geranium ocellatum var. himalaicum | Geraniaceae | Black Eyed Geranium |
| Geranium procurrens | | Geraniaceae | Trailing Geranium |
| Geranium richardsonii | | Geraniaceae | Richardson's Geranium |
| Geranium wallichianum | | Geraniaceae | Geranium Buxton Blue |
| Gerbera gossypina | | Asteraceae | Hairy Gerbera Daisy |
| Gerbera Jamesonii | | Asteraceae | Gerbera Daisy |
| Ginkgo biloba | | Ginkgoaceae | Ginkgo |
| Girardiana platyphylla | Urtica heterophylla | Urticaceae | Bichchhoo |
| Gladiolus dalenii/natalensis | | Iridaceae | Gladiolus |
| Glandularia pulchella | Verbena pulchella | Verbenaceae | Moss Verbena |
| Glinus oppositifolius | Mollugo oppositifolia, Mollugo spergula | Molluginaceae | Jima |
| Gliricidia sepium | Gliricidia maculata | Fabaceae | Mexican Lilac |
| Glochidion ellipticum | | Euphorbiaceae | Bhoma |
| Gloriosa superba | | Liliaceae | Glory Lily |
| Gmelina arborea | | Verbenaceae | Gamhar |
| Gmelina philippensis | Gmelina hystrix | Verbenaceae | Parrot's Beak |
| Gnaphalium affine | | Asteraceae | Cotton Weed |
| Gnetum scandens | | Gnetaceae | Joint Fir |
| Gnidia glauca | | Thymelaeaceae | Fish Poison Bush |
| Gomphrena globosa | | Amaranthaceae | Gomphrena |
| Gomphrena serrata | Gomphrena celosioides/ decumbens | Amaranthaceae | Prostrate Gomphrena |
| Gossypium arboreum | | Malvaceae | Cotton |
| Graptophyllum pictum | Justicia picta | Acanthaceae | Caricature Plant |
| Grevillea robusta | | Proteaceae | Silver Oak |
| Grewia asiatica | | Tiliaceae | Phalsa |
| Grewia microcos | Microcos paniculata | Tiliaceae | Shiral |
| Grewia serrulata | | Tiliaceae | Kaori |
| Grewia tenax | | Tiliaceae | White Crossberry |
| Grewia tiliifolia/tiliaefolia | | Tiliaceae | Dhaman |
| Guaiacum officinale | | Zygophyllaceae | Tree of Life |
| Guazuma ulmifolia | Theobroma guazuma, Guazuma tomentosa | Sterculiaceae | West Indian Elm |
| Gustavia superba | | Lecythidaceae | Heaven Lotus |
| Gymnocalycium mihanovichii var. friedrichii | | Cactaceae | Ruby Ball |
| Gymnosporia rothiana | Maytenus rothiana | Celastraceae | Roth's Spike Thorn |
| Gynura cusimbua | Gynura angulosa, Cacalia cusimbua | Asteraceae | Hill Gynura |
| Gypsophila elegans | | Caryophyllaceae | Baby's Breath |
| Habenaria digitata | Habenaria trinervia, Habenaria graveolens | Orchidaceae | Green Habenaria |
| Habenaria diphylla | Habenaria jerdoniana | Orchidaceae | Two-Leaved Habenaria |
| Habenaria foliosa | | Orchidaceae | Leafy Habenaria |
| Habenaria grandifloriformis | | Orchidaceae | Single Leaved Habenaria |
| Habenaria heyneana | | Orchidaceae | Toothbrush Orchid |
| Habenaria longicorniculata | | Orchidaceae | Sheput Habe-amri |
| Habenaria marginata | | Orchidaceae | Habenaria Orchid |
| |