School Science Lessons
Plants, Dicotyledons, I to P
2014-11-23
Please send comments to: J.Elfick@uq.edu.au

ItoP Alphabetic listing of scientific names, (genus and species), and common names of dicotyledons
9.2.1 Plant classification, all plants
Flowering plants, (angiosperms), Dicotyledons, Phylum Magnoliophyta
| I. | J. | K. | L. | M. | N. | O. | P. |
Scientific name, common name, Family, country of origin or where now found, habit, use, botanical interest

I. Dicotyledons
Iberis, candy tuft, ornamental, Brassicaceae
Ibervillea, globe berry, Cucurbitaceae
Ibicella, yellow unicorn plant, Pedaliaceae
Ilex aquifolium, (I. paraguariensis), yerba, mate, European holly, Brazilian holly, Paraguay tea, Jesuit's tea, yerba de mate, herbal remedy, theobromine, caffeine alkaloid, Aquifoliaceae
Ilex verticillata, black alder, Aquifoliaceae
Ilex vomitoria, yaupon, Aquifoliaceae
Illecebrum, coral necklace, knot grass, herbal remedy, Caryophyllaceae
Illicium anisatum, Japanese star anise, highly toxic, used in incense, anisatin, shikimin and sikimitoxin, safrole, eugenol, Illiciaceae
Illicium verum, star anise, Chinese star anise, star aniseed, badiane, spice like anise in flavour, in Indian garam masala, Illiciaceae
Iliamna, wild holly hock, Malvaceae
Imalva, gay mallow, Malvaceae
Impatiens capansis, jewel weed, Balsaminaceae
Impatiens noli-tangere, western touch-me-not, Balsaminaceae
Impatiens walleriana, (I. sultani, I. walleriana), Busy Lizzie, garden balsam, ornamental, Balsaminaceae
Inga feuilleei, pacay, ice-cream bean, nitrogen-fixing garden fruit, Fabaceae
Indigofera tinctora, indigo, neeli, herbal remedy, indigotin, Indigo blue dye, India, Fabaceae
Indigofera enneaphylla, cyanogenetic stock poison, weed, Fabaceae
Inga edulis, ice cream bean tree, Fabaceae
Inga feuilleei, pacay, ice-cream bean, nitrogen-fixing garden fruit, Fabaceae
Intsia bijuga, (Intsia palembanica), kwila, merbau, Molocccan ironwood, Borneo teak, ipil tree, ifil tree, tough flooring wood, official tree of Guam, Fabaceae
Inula helenium, (Helentum grandiflorum, Aster officinalis, A. belenium), yellow head, elecampane, wild sunflower, elf wort, ploughman's spikenard, scab wort, alant, horse heal, yellow stalwart, elf dock, velvet dock, herbal remedy, candied root contains inulin, diabetic sugar, Asteraceae
Ionactis, aster, Asteraceae
Ipomoea, morning glory, Convolvulaceae
Ipomoea aquatica, kangkong, water spinach, Convolvulaceae
Ipomoea batatas, sweet potato, "potato", kau kau, vegetable, Convolvulaceae
Ipomoea horsfalliae, cardinal creeper, deep red flowers, Convolvulaceae
Ipomoea leari, blue dawn flower, morning glory, purple winder, has purple trumpet-shaped flowers that open at dawn and close at sunset, Convolvulaceae
Ipomoea lobata, (I. versicolor, Quamoclit lobata, Mina lobata), firecracker vine, Spanish flag, Central America, fast twining annual, perennial vine, Convolvulaceae
Ipomoea purpura, common morning glory, tall morning glory, Convolvulaceae
Ipomea violacea, beach moon flower, ornamental, Mexico, seeds contain psychedelic drug tlitliltzin "natural LSD", Convolvulaceae
Iresine, blood leaf, Amaranthaceae
Isatis tinctoria, woad, garden herb, Brassicaceae
Isocarpha, pearl head, Asteraceae
Isocoma, golden bush, Asteraceae
Isodendrion, isodendrion, Violaceae
Isopogon, cone flower, Proteaceae
Iva, marshelder, poverty weed, Jesuit's bark, Asteraceae
Ixora coccinea, ixora, jungle flame ixora, prince of orange, herbal remedy, India, Rubiaceae

J. Dicotyledons
Jacaranda mimosifolia, jacaranda, Brazil, ornamental tree, Bignoniaceae
Jacquemontia, cluster vine, Convolvulaceae
Jacquinia, jacquinia, Theophrastaceae
Jaltomata, false holly, Solanaceae
Jarilla, jarilla, Caricaceae
Jasione, sheep's rampion, sheep's bit scabious, Campanulaceae
Jasminum auriculatum, Indian jasmine, Oleaceae
Jasminum grandiflorum, (J. officinale var. grandiflorum), Catalonian jasmine, royal jasmine, jasmin, Spanish jasmine, Italian jasmine, Oleaceae
Jasminum officinale, jasmine, poet's jessamine, jessamine, Himalayas, China, deciduous and evergreen shrubs and climbers, Oleaceae
Jasminum sambac, Arabian jasmine, sambac, (cvs. Grand Duke, Maid of Orleans), Oleaceae
Jateorhiza palmata, (Jateorhiza columba), calumba root, columba, (many alkaloids), medicine, Madagascar, Menispermaceae
Jatropha
Juglans nigra, black walnut tree, North America, Juglandaceae
Juglans regia, walnut tree, common walnut, English walnut, Persian walnut, the quinone juglone, walnut shells, oxidation of hydroquinone, Juglandaceae
Juglans cinerea, grey walnut tree, Juglandaceae
Juglans nigra, walnut, black walnut, nut, herbal remedy contains manganese, ornamental tree, Juglandaceae
Justicia beddomei, malabar nut, water willow, adusa, herbal remedy, vasicine alkaloid, India, Acanthaceae

K. Dicotyledons
Kalanchoe pinnata, cathedral bells, Crassulaceae
Kalimeris, aster, Asteraceae
Kalmia latifolia, mountain laurel, evergreen shrub, pink flowers open like umbrellas, North America, very popular for landscaping, Epacridaceae
Karwinskia, coyotillo, Rhamnaceae
Kennedia prostrata, running postman, red runner, scarlet pea, prostrate perennial creeper, Australia, liquorice tasting tea substitute, Fabaceae
Kennedia rubicata, (Glycine), dusky coral pea, first Australian species sold in Britain,  Australia, Fabaceae
Kerria japonica, yellow bachelor's buttons, Japanese rose, Rosaceae
Kickxia, cancer wort, Scrophulariaceae
Kigelia africana, sausage tree, ornamental tree, Bignoniaceae
Kleinhovia, kleinhovia, Sterculiaceae
Knautia, scabiosa, field scabious, herbal remedy, Dipsacaceae
Koanophyllon, thorough wort, Asteraceae
Kochia, burning bush, molly, ornamental, Chenopodiaceae
Koeberlinia, all thorn, Capparaceae
Koelreuteria bipinnata, China, Sapindaceae
Koelreuteria paniculata, golden rain tree, Sapindaceae
Kopsia singaporensis, kopsia, white kopsia, Singapore, tropical forest tree, Apocynaceae
Koelreuteria paniculata, golden rain tree, landscape tree, Sapindaceae
Kokia, tree cotton, Malvaceae
Krameria lanceolata, trailing ratany, Krameriaceae
Krascheninnikovia, winter fat, Chenopodiaceae
Krigia, dwarf dandelion, Asteraceae
Kumlienia, false buttercup, Ranunculaceae
Kunzea ambigua, kunzea, Western Australia, Myrtaceae
Kunzea pomifera, muntries, commercial bushfood, Australia, Myrtaceae

L. Dicotyledons
Lablab niger, hyacinth bean, pasture legume, Fabaceae
Lablab purpureus, lablab, pasture legume, Fabaceae
Laburnam, laburnam, golden chain tree, ornamental tree, Fabaceae
Lactuca sativa, lettuce, salad lettuce, great wild lettuce, prickly lettuce, herbal remedy, vegetable, Asteraceae
Lactuca virosa, wild lettuce, prickly lettuce, sedative herbal remedy, "lettuce opium" painkiller, vegetable, herbal remedy, Asteraceae
Laetia, laetia, Flacourtiaceae
Lagenaria siceraria, (L. leucantha), bottle gourd, gourd, Cucurbitaceae
Lagerstroema indica rubra, crepe myrtle, crape myrtle, queen of flowers, rose of India, jarool, ornamental tree, Lythraceae
Lagerstroemia speciosa, pride of India, Lythraceae
Lagophylla, hare leaf, Asteraceae
Lagunaria, cow itch tree, Malvaceae
Lamium album, dead nettle, henbit, white dead nettle, looks like a nettle but is not a nettle and does not sting, herbal remedy, Lamiaceae
Lampranthus carcineus, ice plant, pig face, succulent, beach side ground cover, Aizoaceae
Landolphia, landolphia, landolphia rubber tree, woody liane, (was source of wild rubber in the Congo), Apocynaceae
Lantana camara, lantana, ornamental, aggressive weed, natural mosquito repellant, sub-Saharan Africa, Verbenaceae
Lantana trifolia, lantana, Verbenaceae
Laportea, stinging tree, Australian stinging tree, stinging hairs, Lappula, stick seed, Boraginaceae
Lapsana, (Lapsanastrum), nipple wort, Asteraceae
Larix, larx tree, E636, maltol, bark, Lasiospermum, cocoon head, Asteraceae
Lasthenia, goldfields, Asteraceae
Lathraea clandistina, toothworts, root parasites, Lathyrus, grass pea, singletary pea, ornamental, leafy green stipules, Fabaceae
Lathyrus aphaca, yellow vetchling, Fabaceae
Lathyrus odoratus, sweet pea, poisonous, Fabaceae
Laurus nobilis, bay tree, Lauraceae
Lavandula angustifolia, lavender, lavender oil, Lamiaceae
Lavandula delphinensis, lavender, Lamiaceae
Lavandula. fragrans, lavender, Lamiaceae
Lavandula X intermedia, (L. hybrida, L. hortensis), lavandin, Lamiaceae
Lavandula latifolia, (L. spica), spike lavender, spike, aspic, broad-leaved lavender, lesser lavender, Lamiaceae
Lavandula stoechas, French lavender, stoechas lavender, (noxious weed in Victoria, Australia), Lamiaceae
Lavatera, tree mallow, Malvaceae
Lavendula angustifolia, lavender, English lavender, herbal remedy, ornamental, (scenting linen), monoterpene perillyl alcohol, Lamiaceae
Lavandula stoechas, French lavender, Mediterranean region, Lamiaceae
Lawsonia inermis, (L. alba), henna, hina, madayantika, Egyptian privet, Cypress shrub, orange dye for hair and skin artistry, hedge plant, astringent bark, contains the naptha quinone lawsone, natural orange, C10H6O3, north Africa, Lythraceae
Layia, tidy tips, Asteraceae
Leavenworthia, glade cress, Brassicaceae
Lechea, pin weed, Cistaceae
Lecythis ollaria, sapucaia nut, paradise nut, zabucajo, monkey pod, (edible nuts), Lecythidaceae
Ledum palustre, (now called Rhododendron tomentosum), Labrador tea, Ericaceae
Legenere, false Venus' looking glass, Campanulaceae
Leibnitzia lyrata, Seemann's sun bonnet, Asteraceae
Lemairocereus thurberi, organ pipe cactus, Cactaceae
Lemna minor, common duck weed, (tiny plants that float on water), Araceae
Lens, lentil, vegetable, Fabaceae
Lepidium latifolium, pepper weed, Brassicaceae
Lepidium oleraceum, Cook's scurvy grass, (near extinct), Brassicaceae
Lesquerella, bladder pod, Brassicaceae
Leptactina senegambica, karo-karounde, Rubiaceae
Loeflingia, loeflingia, Caryophyllaceae
Leonotis, lion's ear, Lamiaceae
Leontodon, hawk bit, Asteraceae
Leontopodium alpinum, edelweiss, favourite plant, Swiss alps, Asteraceae
Leonurus cardiaca, mother wort, herbal remedy, Lamiaceae
Lepechinia, pitcher sage, Lamiaceae
Lepidium, pepper weed, cress, garden cress, (not "watercress"!), pepper grass, maca, dittander, vegetable, Brassicaceae
Lepidospartum, broom sage, Asteraceae
Leptandra virginica, (Veronica virginica), herbal remedy, USA, Scrophulariaceae
Leptodactylon, prickly phlox. Polemoniaceae
Leptospermum laevigatum, coastal tea tree, Australian tea tree, tea tree, lemon scented tea tree, ornamental tree, Myrtaceae
Leptospermum petersonii, common tea tree, Myrtaceae
Leptospermum scoparium, New Zealand tea tree, tree-like shrub, tiny white flowers, seeds survived voyage of the Endeavour, New Zealand, Myrtaceae
Lepyrodiclis, false jagged chick weed, Caryophyllaceae
Leucadendron floridum, yellow bush, Proteaceae
Leucadendron laureolum, cultivars, inca gold, safari magic, summer sun, devil's bush, Proteaceae
Leucaena leucocephala, white lead tree, leucaena, pasture legume, Fabaceae
Leucophyllum, barometer bush, Scrophulariaceae
Leucophyta brownii, cushion bush, (has silvery appearance), Australia, Asteraceae
Leucopogon lanceolatus, beard heath, Australia, Ericaceae, (Epacridaceae)
Leucas aspera, thumba, dronapushpa, herbal remedy, India, Lamiaceae
Leucospermum cordifolium, nodding pincushion, South Africa, densely flowering garden plant, Proteaceae
Leucothoe, dog hobble, Epacridaceae
Levisticum officinale, (Ligustrum officinalis, Angelica levisticum, Ligusticum levisticum), lovage, old English lovage, Italian lovage, maggi herb, smellage, Cornish lovage, herbal remedy, Apiaceae
Levisticum mutellina, alpine lovage, Apiaceae
Liatris, blazing star, Asteraceae
Ligusticum scoticum, sea lovage, Apiaceae
Ligustrum vulgare, European privet, (common hedge plant), leaf upper and lower surface covered by epidermis and cuticle, Oleaceae
Ligustrum lucidum, glossy privet, nu zhen zi, herbal remedy, Oleaceae
Limnanthes alba, meadow foam, marsh plant, Limnanthaceae
Limnophila, marsh weed, Scrophulariaceae
Limonia acidissima, wood apple, elephant apple, monkey fruit, curd fruit, Rutaceae
Limonium vulgare, Mediterranean sea lavender, salt marsh plant, Europe, Plumbaginaceae
Limosella, mud wort, Scrophulariaceae
Lindera umbellata var. umbellata, kuru-moji, Lauraceae
Linaria, flax weed, toad flax, herbal remedy, Scrophulariaceae
Lindera benzoin, spice bush, aromatic leaves, dioecious, North America, Lauraceae.
Lindernia, false pimpernel, Scrophulariaceae
Linnaea, twin flower, Caprifoliaceae
Linum, usitatissimum, flax, linseed oil, frequently mentioned in the Bible, herbal remedy, flax seed, fibres with thick cellulose walls formed, prickle, herbal remedy, Linaceae
Lipidium sativum, garden cress, pepper grass, Brassicaceae
Lipochaeta, nehe, Asteraceae
Lippia citriodora, lemon verbena, garden herb, Verbenaceae
Lippia graveolens, (L. berlandieri), exican "oregano", Verbenaceae
Lippia micromeria, Spanish thyme, false thyme, South American substitute for thyme, Verbenaceae
Lippia salicifolia, Verbenaceae
Liquidambar formosana, large deciduous tree, star-shaped lef with 3-5 lobes, Hammamelidaceae
Liquidambar orlentalls, oriental sweet gum, Levant styrax, Asiatic styrax, storax, Turkish sweet gum, liquid storax, Hammamelidaceae
Liquidambar styraciflua, sweet gum, American styrax, storax, red gum, deciduous, North America, Hammamelidaceae
Liriodendron tulipifera, tulip tree, large stately tree, showy flowers, North America, Magnoliaceae
Litchi chinensis, litchi, lychee, southern China, fruit eaten fresh and canned, Sapindaceae
Lithophragma, woodland star, Saxifragaceae
Lithops, pebble plant, living stone, Southern Africa, Aizoaceae
Lithospermum, stone seed, Boraginaceae
Litsea cubeba, (L. citrata), may-chang, exotic verbena, tropical verbena, Lauraceae
Lobelia erinus, trailing lobelia, window box ornamental, USA, Campanulaceae
Lobelia inflata, lobelia, ornamental, herbal remedy, USA, Campanulaceae
Lobularia, lobularia, alyssum, ornamental, Brassicaceae
Loeselia, false calico, Polemoniaceae
Loeseliastrum, calico, Polemoniaceae
Logfia, cotton rose, Asteraceae
Lonchocarpus, lance pod, Fabaceae
Lonicera caprifolium, Dutch honeysuckle, herbal remedy, Caprifoliaceae
Lonicera etrusca, (L. gigantea), honeysuckle, Caprifoliaceae
Lonicera grandiflora, honeysuckle, Bhutan, Caprifoliaceae
Lonicera japonica, honeysuckle, Chinese jin yin hua, Caprifoliaceae
Lonicera periclymenum, honeysuckle, wormwood, woodbine, Southern Europe, China, herbal remedy, Caprifoliaceae
Lophophora williamsii, peyote cactus, mescal buttons, herbal remedy, illegal hallucinogenic drug mescaline, alkaloid, Aztec "sacred mushroom", Cactaceae
Loranthus, mulberry mistletoe, Christmas mistletoe, leafy parasite distributed by bird beaks, Viscaceae
Lotononis bainesii, lotononis, pasture legume, Fabaceae
Lotus corniculatus, trefoil, bird's foot trefoil, asparagus pea, winged pea, vegetable, cyangenetic stock poison, weed, Fabaceae
Lotus japonica, lotus, Fabaceae
Lotus pedunculatus, greater lotus, pasture legume, Fabaceae
Luculia gratissima, pink flower climber, Himalayan region, Rubiaceae
Lucuma bifera, egg fruit, Peru, Sapotaceae
Luffa cylindrica, (L. acutangula), luffa, loofah, bathroom "sponge", Cucurbitaceae
Luina, silver back, Asteraceae
Lunaria, lunaria, honesty, money plant, ornamental, Brassicaceae
Lupinus polyphyllus, lupine, lupin, teas blue bonnet, white lupine, herbal remedy, ornamental, hemicellulose cell wall thickening and aleurone grains, cytoplasm, chief carbohydrate reserve is the polysaccharide hemicellulose, cotyledons, lupinine, Fabaceae
Lupinus arcticus, Arctic lupin, lupinine alkaloid, Fabaceae
Lupinus perennis
, sundial lupine, Fabaceae
Luvunga scandens,  lavang lata, Indian lavanga, Rutaceae
Lychnis floscuculi, crow flower, ragged robin, campion, Caryophyllaceae
Lycium barbarum, gou qi zi, go ji, shrub, herbal remedy, Solanaceae
Lycium chinense, gou qi zi, go ji, vine, herbal remedy, Solanaceae
Lycopersicon esculentum, tomato, vegetable, Solanaceae
Lycopersicon pimpinettifolium, (Solanum pimpinettifolium), currant tomato, cherry tomato, Solanaceae
Lycopus, water horehound, Lamiaceae
Lycoris radiata, lycorus, galanthamine alkaloid, Lygodesmia, skeleton plant, Asteraceae
Lyonia, stagger bush, Epacridaceae
Lyrocarpa, lyre pod, Brassicaceae
Lysiloma, false tamarind, Fabaceae
Lysimachia, money wort, loose strife, yellow willow herb, yellow loose strife, herbal remedy, Primulaceae
Lysimachia nummularia, creeping jenny, bright yellow flowers, ornamental, ground cover, Primulaceae

M. Dicotyledons
Macadamia ternifolia, macadamia nut, Queensland nut, ornamental tree, seed contains 70% fat, Proteaceae
Macadamia integritfolia, macadamia nut, Queensland nut, Proteaceae
Machaeranthera, tansy aster, Asteraceae
Macleaya, (Cordatae), plume poppy, pink plume poppy, sanguinarine, bocconine alkaloid, Macromeria, giant trumpets, Boraginaceae
Macroptilium atropurpureum, siratro, pasture legume, Fabaceae
Macroptilium bracteatum, Burgundy bean, pasture legume, Fabaceae
Macroptilium gracile, (M. longipedunculatum), maldonado, pasture legume, Fabaceae
Macroptilium lathyroides, phasey bean, pasture legume, Fabaceae
Macrotyloma axillare, axillaris, pasture legume, Fabaceae
Macrotyloma uniflorum, (Dolichos uniflorus), pasture legume, Fabaceae
Macrosiphonia, rock trumpet, Apocynaceae
Madia, tar weed, Asteraceae
Magnolia acuminata, cucumber tree, Magnoliaceae
Magnolia denudata, lily tree, yulan, deciduous, alabaster white flowers, China, Magnoliaceae
Magnolia grandiflora, laurel-leaved magnolia, southern magnolia, showy flowers, North America, Magnoliaceae
Magnolia kobus, kobus magnolia, ancient magnolia, Magnoliaceae
Magnolia liliflora, ancient magnolia, xinyin hus, nigra lily, flowered magnolia, herbal remedy, Magnoliaceae
Magnolia stellata, star magnolia, Magnoliaceae
Magnolia virginica, (Pulmonaria virginica) Virginian bluebells, clump-forming perennial, violet-blue flowers, North America, Magnoliaceae
Mahonia aquifolium, (similar to Berberis), hollyleaved bar berry, Berberidaceae
Mahonia japonica, (similar to Berberis), bar berry, Berberidaceae
Malachra, leaf bract, Malvaceae
Malacothamnus, bush mallow, Malvaceae
Malacothrix, desert dandelion, Asteraceae
Mallotus philippensis, red kamals, dry rainforest, Australia, Euphorbiaceae
Malpighia glabra, (M. punicifolia), Barbados cherry, filler fruit juice, hedge, Malpighiaceae
Malpighia emarginata, Acerola, Barbados cherry, West Indian cherry, wild crepemyrtle, Malpighiaceae
Malus, X domestica, apple, common apple, Rosaceae
Malus floribunda, ornamental crab apple, Rosaceae
Malus ioensis, crab apple, Rosaceae
Malus micromalus, Rosaceae
Malus sylvestris, crab apple, Rosaceae
Malus pumila, paradise apple, lenticels on fruit, Rosaceae
Malus sylvestris, crab apple, Rosaceae
Malva, mallow, Malvaceae
Malvastrum, false mallow, Malvaceae
Malvaviscus, wax mallow, Malvaceae
Malvella, mallow, Malvaceae
Mammea americana, mamey apple, cooked fruit for preserves, Clusiaceae
Mammillaria, pincushion cactus, globe cactus, Cactaceae
Mandevilla boliviensis, (M. laxa), Chilean jasmine, cultivar "White fantasy", ornamental, Apocynaceae
Mandevilla sanderi, "scarlet pimpernel", Apocynaceae
Mandevilla X amoena, "Alice du Pont", Apocynaceae
Mandragora officinarum
, mandrake, atropine, hyoscyamine, scopolamine alkaloids, Solanaceae
Mandragora officinarum, mandrake, atropine, hyoscyamine, scopolamine alkaloids, Solanaceae
Mangifera indica, common mango, Indian mango tree, tropical fruit tree, Anacardiaceae
Marania, arrowroot
Marina, false prairie clover, Fabaceae
Marshallia, Barbara's buttons, Asteraceae
Mandragora officinarum, (Atropa), mandrake, satan's apple, hand of glory, herbal remedy, garden herb, atropine, hyoscyamine, scopolamine alkaloid, Manihot, esculenta, cassava, tapioca, ceara rubber
Manilkara achras, sapodilla, chiku, chicle polyterpene, Mexico, South America, desert fruit, latex chicle used, chewing gum, Sapotaceae
Manilkara bidentata, balata, latex used for non-elastic rubber, sticky pulp eaten, Sapotaceae
Mansoa, garlic vine, Bignoniaceae
Marah, man root, Cucurbitaceae
Maranta arundinacea, arrowroot, large starchy rhizomes, Marantaceae
Marcgravia, marcgravia, Marcgraviaceae
Marrubium vulgare, white horehound, common horehound, garden herb, herbal remedy, Lamiaceae
Matelea, milk vine, Asclepiadaceae
Matisia cordata, (Quararibea cordatalarge), South American sapote, chupa-chupa, semi-deciduous, fruit tree, up to 45 m, South America, Malvaceae
Matricaria recutita, (M. chamomilla), camomile, German chamomile, Hungarian chamomile, sweet false chamomile, blue chamomile, single chamomile, wild chamomile, chamomilla, corn fever few, may weed, maythen, distinctive smell, sedative herbal remedy,  may cause skin sensitivity, Asteraceae
Matthiola, (Mathiola), stock, stocks, gillyflower, ornamental, Brassicaceae
Medicago denticulata, burr medic, alfalfa, legume fruit spirally coiled, Fabaceae
Medicago echinus, calvary clover, Fabaceae
Medicago polymorpha, common burr medic, pasture legume, Fabaceae
Medicago sativa, lucerne, alfalfa, pasture legume, Fabaceae
Medicago scutellata, snail medic, pasture legume, Fabaceae
Medicago truncatula, barrel medic, pasture legume, Fabaceae
Megaskepasma, Brazilian red cloak, Acanthaceae
Melaleuca alternifolia, (M. linariifolia var. alternifolia), paper bark tree, melaleuca, tea tree, narrow-leaved paper bark, ti-trol, melasol, tea tree oil, ti-tree oil, cork layers separate into alternate thick and degenerating thin layers, terpinen-4-ol has bactericidal and fungicidal properties, Myrtaceae
Melaleuca bracteata, tea tree, Myrtaceae
Melaleuca cajeputi, cajuput, cajeput, white tea tree, white wood, swamp tea tree, punk tree, paper bark tree, Myrtaceae
Melaleuca leucadendron, (Myrtus leucodendron), caleput, cajuput, river tea tree, weeping tea tree, herbal remedy, Australia, Myrtaceae
Melaleuca linariifolia, tea tree, claret tops, hedge plant, Myrtaceae
Melaleuca minor, cajuput, cajeput, Myrtaceae
Melaleuca quinquenervia, cajeput, cajuput, Myrtaceae
Melaleuca viridiflora, niaoull, Myrtaceae
Melampodium, black foot, Asteraceae
Melampyrum, cow wheat, Scrophulariaceae
Melanthera, square stem, Asteraceae
Melastoma candidum, Asian melastoma, bright purple flowers, Melastomaceae
Melia azadarah, white cedar, rainforest margin, Australia, Meliaceae
Melilotus officinalis, melilot trefoil, white clover, sweet clover, plaster clover, sweet lucerne, wild laburnum, king's clover, new mown hay smell melilotin, oleoresm, coumarin, Fabaceae
Melissa officinalis, balm, lemon balm, sweet balm, bee herb, heart's delight, honey plant, strong lemon scent, herbal remedy, antidepressant herbal remedy, Lamiaceae
Melochia, melochia, Sterculiaceae
Melothria, melothria, Cucurbitaceae
Mentha piperita, mint, black peppermint, white peppermint, bowles mint, apple mint, woolly mint, curly mint, eau-de-Cologne mint, pineapple mint, black and white mint, contains the monoterpene perillyl alcohol, Lamiaceae
Mentha aquatica, water mint, bergamot mint, flavouring and herbal remedy, garden herb, Lamiaceae
Mentha arvensis, Japanese mint, source of menthol, Lamiaceae
Mentha australis, river mint, swamp mint, Australian native ground cover, herbal  leaf,  peppermint-like flavour, Lamiaceae
Mentha canadensis, (M. arvensis var. villosa, M. arvensis var. glabrata, M. arvensis var. piperascens), corn mint, Japanese peppermint, North American field mint, Lamiaceae
Mentha X gracilis, (M. gentilis), Scotch spearmint, red mint, Lamiaceae
Mentha X piperita, (M. aquatica X M. spicata), peppermint, peppermint oil, menthol, in Chartreuse and Creme de Menthe, garden herb, Lamiaceae
Mentha longifolia, horse mint. Lamiaceae
Mentha pulegium, pennyroyal, pouliot, European pennyroyal, squaw mint, mosquito plant, pudding plant, pulegium, supposed to harm fleas, strong fragrance, pennyroyal oil, Europe, Middle East, Lamiaceae
Mentha spicata, (M. longifolia, M. viridis, var. viridis), spearmint, mint, garden mint, used for mint sauce, toothpaste, chewing gum, Lamiaceae
Mentha spicata, var. Spicata, Moroccan green mint, green mint, Lamiaceae
Mentha suaveolens, (M. rotundifolia), pineapple mint, Lamiaceae
Mentha X villosa var. alopecuroides, woolly mint, apple mint, bowles' mint, Egyptian mint, Lamiaceae
Mentzelia, blazing star, Loasaceae
Menyanthes trifoliata, bog bean, (monotypic), herbal remedy, Menyanthaceae
Mercurialis perennis, dog's mercury, poisonous French mercury, resembles a cactus, Euphorbiaceae
Merremia, wood rose, Convolvulaceae
Mertensia, blue bells, Boraginaceae
Mesembryanthemum aequilaterale, thick fleshy lamina, for water storage containing with mucilaginous sap containing pentosans, Aizoaceae
Mesembryanthemum crystallinum, pig face, ice plant, Aizoaceae
Mespilus germanica, common medlar pear, hard acidic fruit, Rosaceae
Mesua ferrea, mesua, gau-gau, large hardwood tree used for Qing dynasty furniture, Myanmar, Nepal, (Guttiferae), Clusiaceae
Meum athamanticum, broad-leaved spignel, meu, Apiaceae
Michelia alba, China, fragrant white flowers, up to 34 m, Magnoliaceae
Michelia champaca, champaca, Magnoliaceae
Michelia figo, port wine michelia, champak, Magnoliaceae
Micranthemum, mud flower, Scrophulariaceae
Micropus, cottonseed, Asteraceae
Microseris, silver puffs, Asteraceae
Microtea, jumby pepper, Chenopodiaceae
Microthlaspi, penny cress, Brassicaceae
Mikania, climbing hemp vine, bitter vine, guaco Asteraceae
Millettia pinnata, (Pongamia pinnata), Australian biofuel, Fabaceae
Mimosa pudica, sensitive plant, sensitive mimosa, sensitive plant, weed, nastic movement, (mimosa "mimics" the motion of animals), Fabaceae
Mimulus, monkey flower, Scrophulariaceae
Mimusops, mimusops, Sapotaceae
Minuartia, stitch wort, Caryophyllaceae
Mirabilis jalapa, four o'clock flower, showy four o'clock, marvel-of-Peru, beauty-of-the-night, herbal remedy, opens in mid- to late-afternoon and closes again the next morning, Nyctaginaceae
Mischarytera lautereriana, Corduroy Tamarind, Australian native fruit tree, Sapindaceae
Mitchella repens, partridge berry, squaw vine, herbal remedy, Rubiaceae
Mitella, miter wort, Saxifragaceae
Mitracarpus, girdle pod, Rubiaceae
Mitragyna speciosa, kratom tree, contains many alkaloids, Rubiaceae
Mitreola, horn pod, Loganiaceae
Modiola, bristle mallow, Malvaceae
Moehringia, sand wort, Caryophyllaceae
Moenchia, upright chick weed, Caryophyllaceae
Mollugo, carpet weed Molluginaceae
Momordica charantia, bitter gourd, bitter melon, herbal remedy, momordicine alkaloid, Cucurbitaceae
Momordica cochinhinensis, Gac fruit, sping bitter gourd, Vietnam, Cucurbitaceae
Monarda citriodora, lemon bee balm, lemon bergamot, Lamiaceae
Monarda clinopodia, bee balm, wild bergamot, Lamiaceae
Monarda didyma, scarlet bee balm, Lamiaceae
Monarda fistulosa, wild bergamot, horse mint, bee balm, var. menthifolia, Lamiaceae
Monarda pectinata, pony bee balm, Lamiaceae
Moneses, single delight, Pyrolaceae
Monolepis, poverty weed, Chenopodiaceae
Monotropa, Indian pipe, Monotropaceae
Monotropsis, pygmy pipes, Monotropaceae
Monoptilon, desert star, Asteraceae
Monbretia, Crocosmia X crocosmiiflora, large orange flowers, invasive, noxious weed, Iridaceae
Montia, miners lettuce, Portulacaceae
Montropa uniflora, Indian pipe, ghost plant, corpse plant, white does not contain chlorophyll, parasitic, fungal host, Ericaceae
Morella cerifera, bayberry, small wax myrtle, candle berry, herbal remedy, Myricaceae
Morinda citrifolia, Noni, Indian mulberry, beach mulberry, cheese fruit, used in noni soap, Southeast Asia and Pacific region,  Rubiaceae
Moringa oleifera, horse-radish tree, drumstick tree, ben tree, oil of ben, forest tree and cultivated tropical tree, herbal remedy, Moringaceae
Morus alba,  white mulberry, short-lived, fast-growing,  herbal remedy, fruit tree, ornamental tree, feeds silkworms, northern China, Moraceae
Morus nigra, black mulberry, large fruit with staining juice, large tree, East Asia, Moraceae
Mucronea, spine flower, Polygonaceae
Mucuna, mucuna, Fabaceae
Muehlenbeckia, maiden hair vine, Polygonaceae
Muntingia, muntingia, Elaeocarpaceae
Muntingia calabura, Panama berry, Jamaican cherry, strawberry tree,  only one species in family, Muntingiaceae
Murraya koenigii, curry leaf, curry tree, used in curries and marinades, garden herb, Rutaceae
Murraya paniculata, orange jasmine, mock orange, hedge and pastoral weed, Rutaceae
Myagrum, myagrum, Brassicaceae
Myoporum parvifolium, creeping boobialla, small white flowers, ornamental, ground cover, Australia, Scrophulariaceae
Myosotis, forget-me-not, mouse ear, Boraginaceae
Myosotidium, giant forget-me-not, Boraginaceae
Myosurus, mouse tail, Ranunculaceae
Myoporum, myoporum, Myoporaceae
Myremecodia, ant plant, epiphyte, symbiosis with ants and fungi, Rubiaceae
Myrianthus arboreus, tropical tree, up to 15m high, oblong fruits, Central Africa, Moraceae
Myrica cerifera, southern bayberry, wax myrtle, herbal remedy, Myricaceae
Myrica gale, sweet gale, gale, herbal remedy, Myricaceae
Myristica fragrans, (M. officinalis, M. moscbana, M. aromatica, M. amboinensis), nutmeg, garden herb, mace, myristicin alkaloid, Myristacaceae
Myrocarpus fastigiatus, cabreuva, cabureicica, Fabaceae
Myrocarpus frondosus, cabreuva, Fabaceae
Myroxylon balsamum, (var. genuinum, Myrospermum toluiferum, Toluiferum balsamum, Balsamum americanum, B. tolutanum), opobalsam, tolu balsam, Thomas balsam, resin tolu, Fabaceae
Myroxylon balsamum var. pereirae, (Myrospermum pereirae, Toluifera pereirae, Myroxylon pereirae), Peru balsam mounting mediumPeru balsam, Indian balsam, black balsam, Fabaceae
Myroxylon balsamum var. punctatum, (Myroxylon punctatum), Fabaceae
Myrrhis odorata, sweet cecily, giant chervil, Spanish chervil, herbal remedy, garden herb, Apiaceae
Myrsine, colic wood, Myrsinaceae
Myrtus communis, myrtle tree, herbal remedy, Myrtaceae

N. Dicotyledons
Nama, fiddle leaf, Hydrophyllaceae
Napaea, napaea, Malvaceae
Nardostachys chinensis, Chinese spikenard, Valerianaceae
Nardostachys grandiflora, nard, spikenard, all heal, rose-purple flower, (possibly in Bible, Mark 14:3, ancient perfume), Valerianaceae
Nardostachys jatamansi, nard, spikenard, false Indian valerian root, (possibly in Bible, Mark 14:3), Valerianaceae
Nasturtium officinale, (Rorippa), common watercress, garden herb, Brassicaceae
Nauclea orientalis, large tree with globular yellow flowers, Leichhardt tree, yellow cheesewood, northern Australia, Rubiaceae
Navarretia, pincushion plant, Polemoniaceae
Nemophila, baby blue eyes, Hydrophyllaceae
Neobeckia, lake cress, Brassicaceae
Neonotonia wightii, glycine, pasture legume, Fabaceae
Nepenthes, nepenthes, Nepenthaceae
Nepeta cataria, catnip, herbal remedy, Lamiaceae
Nerium indicum, Indian oleander, sweet-scented oleander, karaviram, herbal remedy, nerioderin in tuber is cardiac poison, India, Apocynaceae
Nicolletia, hole-in-the-sand plant, Asteraceae
Nicotiana rustica, tobacco plant, (smoked in some countries), Solanaceae,
Nicotiana, tabacum, tobacco plant, (smoking tobacco is associated with lung cancer and heart disease), nicotine alkaloid, leaf ontogeny studies, Solanaceae,
Nectandra coriaceae, lancewood, Lauraceae
Nectandra elaiophora, louro nhamuy, Lauraceae
Neea, salt wood, Nyctaginaceae
Nelumbo nucifera, lotus, sacred lotus, red lily, (water lily, water bean), liensinine alkaloid, Nelumbonaceae
Nemacaulis, cotton heads, Polygonaceae
Nemacladus, thread plant, Campanulaceae
Nematanthus wettsteinii, goldfish plant
Nepenthes salpouriana, pitcher plants, Indonesia, Malaysia, climbing tendrils on leaf ends may develop into lidded flowers, Nepenthaceae
Nepeta cataria, cat mint, catnip, contains terpenes, "detestable to all except cats", Lamiaceae
Nephelium lappaceum, rambutan, edible aril, Malaysia
Nephrophyllidium, deer cabbage, Menyanthaceae
Neptunia, yellow neptunia, puff, Fabaceae
Nerisyrenia, fan mustard, Brassicaceae
Nerium oleander, oleander, ornamental shrub, cardiac glycosides, poisonous, Apocynaceae
Nicotiana tabacum, tobacco plant, Solanaceae
Nicotiana sauveolens, (N. glauca), weed
Nierembergia, cup flower, Solanaceae
Nigella damascena, nigella, love-in-a-mist, devil-in-a-bush, love-in-a-puzzle, fennel flower, (but not related to fennel), herbal remedy, Ranunculaceae
Nigella sativa, black cumin, garden herb
Nissolia, yellow hood, Fabaceae
Nitella clavata, protoplasmic streaming can be observed
Nitrophila, niter wort, Chenopodiaceae
Nonea, monks wort, Boraginaceae
Nopalea, cochineal cactus, (female bug Coccus cacti)
Nothocalais, prairie dandelion, Asteraceae
Nothocestrum, aiea, Solanaceae
Nothofagus, beech tree, southern beech tree
Notothixos incanus, var. subaureus, yellow-leafed parasite of Loranthus, Loranthaceae
Nototrichium, rock wort, Amaranthaceae
Nuttallanthus, toad flax, Scrophulariaceae
Nuytsia floribunda, West Australian Christmas tree, Loranthaceae
Nyctaginia, nyctaginia, Nyctaginaceae
Nymphaea, water lily, white water lily, herbal remedy, leaf has very thin cuticle and aerenchyma, air chambers, Nymphaeaceae
Nymphaea macrosperma, white lily, Nymphaeaceae
Nymphaea maculata, red tiger lotus, water lily, Nymphaeaceae
Nymphaea violacea, purple lily, Nymphaeaceae
Nymphoides, floating heart, Menyanthaceae
Nyssa sylvatica, black gum, tupelo, moderate size, ornamental shade tree, North America,  Cornaceae

O. Dicotyledons
Ochna, ochna, Ochnaceae
Ochroma lagopus, balsa wood, density 0.2, Bombacaceae
Ochrosia, yellow wood, Apocynaceae
Ocimum americanum, hairy basil, Australia, (aromatic leaves, food flavouring), possibley an introduced weed, Lamiaceae
Ocimum basilicum, (Cimum gratissimum), common basil, barbara, sweet basil, kapura tulasi, garden basil, essential oil contains camphor, forms basil camphor crystals, garden herb, herbal remedy, may have chemopreventative effects against some cancers, India, Lamiaceae
Ocimum basilicum, cv. basil, Comoran basil, (exotic or Reunion basil), herbal remedy, Lamiaceae
Ocimum basilicum, cv. true sweet basil, companion plant with tomato, (French, European or common basil), herbal remedy, Lamiaceae
Ocimum canum, (O. americanum), hoary basil, hairy basil, Lamiaceae
Ocimum gratissimum, (O. viride), East Indian basil, tree basil, shrubby basil, Lamiaceae
Ocimum kilimanjaricum, camphor basil, Lamiaceae
Ocimum sanctum, Indian sacred basil, holy basil. sacred basil, surasa, herbal remedy, India, Lamiaceae
Ocimum tenuiflorum, bush tea leaf, native basil, "native thyme", "wild marjoram" Australia, anise-like or clove-like flavour, Lamiaceae
Oclemena, aster, Asteraceae
Ocotea caudata, (Licaria guianensis), Cayenne rosewood, Lauraceae
Ocotea cymbarum, (Mespliodaphne sassafras), Amazonian sassafras, Lauraceae
Ocotea pretiosa, Brazilian sassafras, Lauraceae
Odontonema, toothed thread, Acanthaceae
Oenanthe, water hemlock, drop wort, poisonous
Oenothera biennis, common evening primrose, Evening primrose oil, herbal remedy, contains gamme linoleic acid, Onagraceae
Oenothera deltoides
, bird-cage plant, Onagraceae
Olax stricta, small shrub, yellow-green foliage, root hemiparasite, Oldenlandiopsis, creeping-bluet, Rubiaceae
Olea europaea, olive, (olive from Greek: elaion, oil), Oleaceae
Olearia argophylla, Asteraceae, a tree, Olearia, daisy bush, Asteraceae
Olearia glutinosa, glandular hairs and stalked hairs, some with viscid secretion, Oligomeris, oligomeris, Resedaceae
Oligoneuron, golden rod, Asteraceae
Omalotheca, arctic cud weed, Asteraceae
Omphalodes, navel wort, Boraginaceae
Onobrychis, sainfoin, Fabaceae
Ononis, rest harrow, spiny rest harrow, herbal remedy, Fabaceae
Onosmodium, marble seed, Boraginaceae
Onopordon, thistle, down thistle, cotton thistle, herbal remedy
Onopordum, cotton thistle, Asteraceae
Onopsis, false golden weed, Asteraceae
Operculina, lidpod, Convolvulaceae
Ophioglossum, adder's tongue, herbal remedy
Opoponix, opoponix, (incense plant), Opuntia, prickly pear, cholla, herbal remedy, jointed stem cactus, Cactaceae
Opuntia ficus indica, (O. ficus-indica, O. vulgaris), prickly pear, brittle prickly pear, Indian fig, mission cactus, edible sweet fruit "tuna" used in  Mexican nopales and propriatory drink Trivita "Nopalea" , supposed to reduce inflammation, Cactaceae
Orbexilum, leather root, Fabaceae
Oreochrysum, golden rod, Asteraceae
Oreostemma, aster, Asteraceae
Origanum, most species contain carvacrol, cymophenol, C6H3CH3(OH)(C3H7), monoterpenoid phenol,which may provide proection against prostate cancer
Origanum X applii, oregano, (Berberidaceae), Lamiaceae
Origanum marjorana, (Marjorana hortensis), sweet marjoram, knotted marjoram, pot marjoram, hyssop, thorny caper, herbal remedy, Lamiaceae
Origanum maru, Egyptian marjoram, Lamiaceae
Origanum X majoricum, oregano, marjoram, hard sweet marjoram, high total phenolic content, 11.65 mg of gallic acid / g fresh weight, Lamiaceae
Origanum onites, French marjoram, pot marjoram, perennial, garden herb, Lamiaceae
Origanum syriacum, (O. maru), Syrian oregano, Lamiaceae
Origanum vulgare, subsp. vulgare, wild marjoram, oreganum oil, Lamiaceae
Origanum vulgare, subsp. glandulosum, oregano, marjoram, regano, wild marjoram, dittany of Crete, herbal remedy, contains thymol, garden herb, Lamiaceae
Origanum vulgare, subsp. gracile, (O. tytthanthum, O. kopetdaghense), Russian oregano, Lamiaceae
Origanum vulgare, subsp. hirtum, (O. hirtum, O. heracleoticum), winter oregano, Greek origin, Italian oregano, Lamiaceae
Origanum vulgare, subsp. virens, (O. virens), wild marjoram, Lamiaceae
Origanum vulgare, subsp. viride, (O. heracleoticum), wild marjoram, Lamiaceae
Ormentis mixta, (Anthemis mixta), Moroccan chamomile, Asteraceae
Ormentis multicaulis, Moroccan chamomile, Asteraceae
Ormosia howii, ji chimu, chicken wing wood for furniture, now extinct, Hainan, China, Fabaceae
Ormosia nobilis, lady bug tree, (black spot on seed, used a jewellery by Indians, Surinam, Fabaceae
Ormosia sp. horse eye bean, Fabaceae
Ornithopus compressus, bird's foot, yellow serradella, pasture legume, Fabaceae
Orobanche, broom rape, choke weed, Orobranchaceae
Orobanche australiana, root parasite of Senecio, shoot herbaceous, stunted, yellow-green scale-like leaves, Orobanche hederae, root parasite of ivy, Hedera, Orpheum frutescens, African pink gentian
Orthocarpus, owl's clover, Scrophulariaceae
Orthosiphon aristatus, cat's whiskers, mauve to white flowers, garden shrub, Lamiaceae
Osmanthus fragrans, sweet olive, fragrant olive, tea olive, devil wood, Oleaceae
Osteospermum dimorphotheca, African daisy, daisy bush, Asteraceae
Osteospermum, moniliferum, weed
Otocanthus caeruleous, Caribbean blue, "Peek-a-Blue", blue flowers, ornamental
Oxalis, oxalis, wood sorrel, oxalic acid, herbal remedy, vegetative reproduction by contractile tuberous roots, lamina divided into leaflets joined at common point, Oxalidaceae
Oxalis tuberosa, oca, vegetable, Andes mountains, edible tubers, Oxalidaceae
Oxydendrum arboreum, sorrel tree, sourwood, lily-of -the-valley tree, deciduous understory tree, delicate urn-shaped flowers,  Ericaceae
Oxyria, mountain sorrel,  herbal remedy, Polygonaceae
Oxytropis sericea, loco weed, crazy weed, point vetch, miserotoxin and swainsonine alkaloid, which causes loco weed poisoning, Fabaceae,
Ozothamnus, kerosene bush, kerosine bush

P. Dicotyledons
Pachira aquatica, guiana chestnut, malabar chestnut, North and South America, Malvaceae (Bombacaceae)
Pachira insignis, wild chestnut, Malvaceae (Bombacaceae)
Pachycereus pringlei, pachycereus, cardon cactus, Cactaceae
Pachypodium namaquanum, half-mens, Apocynaceae
Pachyrrhizus erosus, yam bean, jicama, root vegetable, Philippines, Fabaceae
Packera, rag wort, Asteraceae
Paederia, sewer vine, Rubiaceae
Paeonia lactiflora, white peony, bai shao, herbal remedy, Paeoniaceae
Paeonia officinalis, peony, herbal remedy, Paeoniaceae
Paeonia  suffruticosa, tree peony, mountain peopny, moutan, mudan, seasonal indoor potted plant, formerly Chinese national flower known as "king of flowers", China, Paeoniaceae
Palaquium gutta, Gutta-percha, (electricity insulation, golf balls), isoprene sub units, Sapotaceae
Palicourea cappel, Rubiaceae
Panax ginseng, ginseng, Chinese ginseng "ren shen", herbal remedy, energy tonic garden herb, ginsenosides, Araliaceae
Panax quinquefolius, Panax japonicus (Japanese ginseng), Panax notoginseng (Sanqui or Tienqi ginseng), Panax elegantior (Pearl ginseng), Panax pseudoginseng (Himalayan ginseng), and Panax zingiberensis (ginger ginseng)
Panax quinquefolius, American ginseng, Araliaceae
Pandorea jasminoides, pandorea, ornamental tree, Australia, Bignoniaceae
Pandorea pandorana, wonga wonga vine, climber, creamy trumpet-shaped flowers, ornamental tree, Australia, Bignoniaceae
Papaver bracteatum, Iranian poppy, thebaine but no opioids, Papaveraceae
Papaver nudicaule, Iceland poppy, short-lived perennials, self-seeding, hairy stems, delicate bowl-shaped flowers, toxic, Russia, Papaveraceae
Papaver orientale, Arctic poppy, vivid coloured perennial, favoured garden plant, Turkey,  Papaveraceae
Papaver radicatum, Arctic poppy, Papaveraceae
Papaver somniferum, opium poppy (opium from Greek: opion, poppy juice), white poppy, morphine, codeine and thebane, dangerous medicine wild poppy, red poppy, herbal remedy, codeine, morphine alkaloid, Papaveraceae
Papaver somniferum sub horternse, herbal remedy, (poppy seed on bread and cakes, edible oil), Papaveraceae
Parahebe, veronica, Scrophulariaceae
Parasenecio, Indian plantain, Asteraceae
Parentucellia, gland weed, Scrophulariaceae
Parietaria, upright pellitory, pellitory of the wall, herbal remedy, Urticaceae
Parietaria judaica, asthma weed, pellitoty, noxious weed in Australia,, Urticaceae
Paris quadrifolia, herb Paris, true lover's knot, single flower and four leaves in cross shape, unbranched stem, paradin glucoside, poisonous, Melanthiaceae
Parkinsonia, horse bean, Fabaceae
Parmentaria edulis, cuachilote, fruit tree
Parnassia, Parnassus, Saxifragaceae
Parodia, parodia, ball cactus, Cactaceae
Paronychia, nail wort, Caryophyllaceae
Parthenium hysterophorus, Santa Maria fever few, pasture weed, Asteraceae
Parthenocissus tricuspidata, Virginia creeper, woodbine
Passiflora caerulea, passion flowers, May apple, Brazil, evergreen climbers, Passifloraceae
Passiflora edulis var. flavicarpa, passion fruit, yellow passion fruit, Passifloraceae
Passiflora incarnata, passionflower, herbal remedy, contains flavonoids, sedative medicine, Passifloraceae
Passiflora quadrangularis, granadilla, giant granadilla, Passifloraceae
Passiflora tarminiana, (P. mollissima, Curuba ecuatoriana, C. India), banana passion flower, banana poka, (invasive vine, climber), Passifloraceae
Pastinaca sativa, parsnip, (parsnip from Latin: pastinare, dig the ground), wild parsnip, vegetable, Apiaceae
Paullinia cupana, guarana, yoco yoco, bread and cheese, (seeds and bark used as a beverage), caffeine alkaloid, herbal remedy, Sapindaceae
Paulownia powton, princess tree, Scrophulariaceae
Pavonia, swamp mallow, Malvaceae
Pectis, cinch weed, Asteraceae
Pectocarya, comb seed, Boraginaceae
Pedicularis, louse wort, Scrophulariaceae
Pediocactus, hedgehog cactus, Cactaceae
Peganum harmala, harmal, wild rue, Syrian rue, Mediterranean to India, Nitrariaceae
Pelargonium, "pelargoniums", "popular geraniums", rose geranium, ornamental, garden herb, Geraniaceae
Pelargonium capitatum, rose geranium, Geraniaceae
Pelargonium graveolens, rose geranium, geranium, (cvs. P. odoratissimum, P. radens, P. capitatum, P. asperum), Geraniaceae
Pelargonium peltatum, ivy leaf geranium, Geraniaceae
Pelargonium zonale, garden geranium, common garden plant, South Africa, Geraniaceae
Pennellia, mock thelypody, Brassicaceae
Penstemon, beard tongue, Scrophulariaceae
Pentachaeta, pygmy daisy, Asteraceae
Pentadesma, pentadesma, Clusiaceae
Pentapetes, pentapetes, Sterculiaceae
Peperomia humilis, Polynesian peperomia, Piperaceae
Petalonyx, sand paper plant, Loasaceae
Pericallis cruenta, cineraria, ragwort, popular pot plant, Canary Islands, Asteraceae
Perilla frutescens, (P. ocymoides), perilla, beefsteak plant, Lamiaceae
Perityle, rock daisy, Asteraceae
Persea americana, avocado, ahuactl, bata, agnate, abuacath, alligator pear, (from "ahuacatl", testicle-shaped fruit), Central America, Lauraceae
Persicaria bistorta, (Polygonum), bistort, snake weed, herbal remedy, garden herb, Polygonaceae
Persicaria odorata, Vietnamese mint, garden herb, Polygonaceae
Persicaria orientale, prince's feather, garden herb, Polygonaceae
Persoonia, lamina vertically upwards due to twisting of of petiole through 90o, leaf has few stomates per mm2
Petasites, (Tussilago), butter bur, herbal remedy, Asteraceae
Petiveria, petiveria, Phytolaccaceae
Petradoria, rock golden rod, Asteraceae
Petrea volubilis, petrea, sand paper vine, bluebird vine, queen's wreath, woody vine, leaves rough to touch, Verbenaceae
Petrorhagia prolifera, childing pink, Caryophyllaceae
Petroselinum crispum, parsley, common parsley, curly leaf parsley, vegetable, herbal remedy, garden herb, contains myristicin, Apiaceae
Petroselinum sativum, (P. hortense, Apium petroselinum, Carum petroselinum), parsley, Hamburg parsley, herbal remedy, diuretic herbal medicine, Apiaceae
Petunia, petunia, Solanaceae
Peucedanum, (Imperatoria), sow's fennel, hog's fennel, master wort, common master wort, rock parsley, milk parsley, herbal remedy
Peucephyllum, pygmy cedar, Asteraceae
Peumus boldus, (Boldu boldus, Boldoa fragrans), boldo, boldus, boldu, herbal remedy, Monimiaceae
Pfaffia, pfaffia, Amaranthaceae
Phalacroseris, mock dandelion, Asteraceae
Phaseolus angularis, (Vigna angularis), adzuki bean, red bean, (Chinese red bean paste), vegetable, Fabaceae
Phaseolus aureus, (Vigna radiata), mung bean, green bean, green gram, moong dal, Fabaceae
Phaseolus caracalla, snail creeper, climber with lavender spirals of flowers, Fabaceae
Phaseolus coccineus, scarlet runner bean, runner bean, potato bean, white Dutch runner bean, vegetable, Fabaceae
Phaseolus lunatus, (P. limensis), lima bean, vegetable, Fabaceae
Phaseolus mungo, black gram, vegetable, Fabaceae
Phaseolus mutiflorus, runner bean, Fabaceae
Phaseolus vulgaris, bean, French bean, haricot bean, field bean, string bean, wax bean, white kidney bean, caraota, poroto, poisonous if uncooked, phaseolamine alkaloid, Fabaceae
Philadelphus syringia, mock orange
Phlox paniculata, phlox, ornamental, Polemoniaceae
Phlox divaricata, wild sweet william, "clouds of perfume",  very fragrant,  semi-evergreen perennial, North America, Polemoniaceae
Phoebanthus, false sunflower, Asteraceae
Phoebe nanmu, Lauraceae
Pholisma pholisma, Lennoaceae
Pholistoma, fiesta flower, Hydrophyllaceae
Phoradendron, oak mistletoe, Viscaceae
Photinia robusta, photinia, garden hedge
Phragmites, reed, true reed, common reed
Phygelius, Cape fuchsia, Scrophulariaceae
Phyla, fog fruit, Verbenaceae
Phyllanthus amaris, (P.deblis, P. niruli), phyllanthus, bahupathra, herbe due chagrin, herbal remedy, India, Euphorbiaceae
Phyllodoce, mountain heath, Epacridaceae
Phyllostachys, bamboo
Physaria, twin pod, Brassicaceae
Physalis peruviana, Cape gooseberry, Chinese lantern, winter cherry, ground cherry, Solanaceae
Physostigma venenosum, Calabar bean, eserine, poison and anti-CNS depression drug, climber, like runner bean, Africa, Fabaceae
Phytolacca decandra, poke weed, pook root, poisonous, herbal remedy, Phytolaccaceae
Pickeringia, chaparral pea, Fabaceae
Picradeniopsis bahia, Asteraceae
Picrasa excelsa, quassia, Cuba, Simaroubaceae
Picris, (Helminthia), lang de boeuf, bristly ox tongue, pot herb, Asteraceae
Picrothamnus, bud sage brush, Asteraceae
Pieris, fetter bush, Epacridaceae
Pilocarpus jaborandi, (Pernambuco jaborandi, P. pennitifolius), jaborandi, iaborandi, jamborandi, South America, medicine, Rutaceae
Pilosocereus, tree cactus, Cactaceae
Pimenta dioica, (P. officinalis), pimento, pimenta, Jamaica pepper, allspice essential oil, garden herb, Myrtaceae
Pimenta racemosa, (P. acris, Myrcia acris), Bay, West Indian bay, bay rum tree, wild cinnamon, bayberry, myrcia, Myrtaceae
Pimpinella anisum, (Anisum officinalis, A. vulgare), aniseed, anise, sweet cumin, black carraway, great burnet saxifrage, herbal remedy, Apiaceae
Pimpinella major, great burnet saxifrage, Apiaceae
Pimpinella saxafraga, black caraway, burnet saxifrage, (Apiaceae), Apiaceae
Pinaropappus, rock lettuce, Asteraceae
Pinckneya pubens, fevertree, bitter inner bark used to treat fevers, small tree,
white or rose sepals become petal-like similar to poinsettias, North America, Rubiaceae
Pinguicula, butter wort, Lentibulariaceae, carnivorous, Pinzona, pinzona, Dilleniaceae
Piper betel, betel pepper, Piperaceae
Piper cubeba, cubeb, tailed pepper, culeb pepper, Piperaceae
Piper methysticum, kava kava, garden herb, kavain alkaloid, Piperaceae
Piper hederaceum, pepper vine, Australian native vine, herbal seed, Piperaceae
Piper nigrum, pepper, (pepper from Greek: peperi), black pepper, commercial pepper, table pepper, piper, garden herb, climber, woody perennial, piperine alkaloid,
dried drupe called a peppercorn is ground to form "pepper", black pepper, white pepper is from the dried ripe seeds, Piperaceae
Piper sermentosum, wild leaf pepper, pointed pepper, betel leaves, garden herb, Thailand, Piperaceae
Piptocarpha, ash daisy, Asteraceae
Piptocoma, velvet shrub, Asteraceae
Pipturus argenteus, native mulberry, Urticaceae
Piriqueta, stripe seed, Turneraceae
Piscidia piscipula, Jamaican dogwood, Florida fish, poison tree, fish fuddle, herbal remedy, West Indies, Fabaceae
Pisonia umbellifera, bird lime tree, bird catcher tree, catch bird tree, Australia, Nyctaginaceae
Pistacia atlantica, Persian turpentine, Anacardiaceae
Pistacia chinensis, pistachio, green almond, mastic tree, balm, the Bible, ornamental tree, Anacardiaceae
Pistacia lenticus, (Var. Chia), mastic, mastix, lentisk, for gum mastic, mastic resin, Anacardiaceae
Pistacia terebinthus, terebinth, terpentine tree, turpentine oil, Anacardiaceae
Pisum sativum, var. arvense, pea, field pea, pulse used for dal and green manure, vegetable, Fabaceae
Pisum sativum, var. hortense, pea, garden pea, table pea, Austrian winter pea, stipules leaf-like, leaves modified to tendrils, Fabaceae
Pisum sativum, var. macrocarpon, snow pea, Fabaceae
Pithecellobium, black bead, Fabaceae
Pithecoctenium, monkey's comb, Bignoniaceae
Pithecolobrium genisaro, guango, genisaro, rain tree, Fabaceae, ("rain" caused by ejection of fluid by cicadas), Pittosporum tenuifolium, tawhiwhi, pittosporum, karo, tarata, white bolly, garden hedge
Pittosporum revolutum, yellow pittosporum, busy evergreen, glossy leaves, popular garden plant, Pittosporaceae
Pittosporum undulatum, Australian cheese wood, weed, Pittosporaceae
Pityopsis, silk grass, Asteraceae
Pityopus, pine foot, Monotropaceae
Plagiobothrys, popcorn flower, Boraginaceae
Planchonella australis, Black Apple, Australian native fruit tree, Sapotaceae
Plantago lanceolata, narrow-leafed plantain, rib wort plantago, weed, herbal medicine, (bee stings), Plantaginaceae
Plantago major, greater plantain, common plantain, weed, herbal medicine, Europe, Plantaginaceae
Plantago ovata, psyllium, ispaghula, husks used as a dietary fibre, India, Plantaginaceae
Plantago psyllium, plantain, fleawort, buck's horn, rib wort, herbal remedy, garden herb, Plantaginaceae
Platanus, London plane tree, natural hybrid, 
Platanus orientalis (oriental plane) X Platanus occidentalis (American sycamore), Platanaceae
Platanus occidentalis, American sycamore, mottled exfoliating bark, very large tree, North America, Platanaceae
Plateilema, cockerell, Asteraceae
Platonia, platonia, Clusiaceae
Platyschkuhria, basin daisy, Asteraceae
Plectranthrus amboinicus, Cuban oregano, Asteraceae
Plectranthus esculentus, hause potato, edible tubers, tropical Africa, Asteraceae
Plectritis, sea blush, Valerianaceae
Pleiogynium timoriense, Burdekin plum, Australian native fruit tree, Anacardiaceae
Pleuricospora, pine sap, Monotropaceae
Pluchea, camphor weed, Asteraceae
Plumbago auriculata, plumbago, lead wort, garden hedge, Plumbaginaceae
Plumeria acuminate, plumeria, frangipani, temple tree, Central America, (many cultivars), bare blunt branches, Apocynaceae
Podophyllum peltatum, may apple, podophyllotoxin American mandrake, yellow egg shape fruit, roots of May apple, Asteraceae
Podranea ricasoliana, ornamental tree, Bignoniaceae
Pogostemon cablin, (P. patchouli), patchouli, patchouly, puchaput, pogostemon, India, patchoulli oil, aromatherapy oil, garden herb, perfume fixative, odour to carpets, Lamiaceae
Pogostemon heyneanus, (P. patchouli), false patchouly, Lamiaceae
Poncirus trifoliata, hardy orange, Rutaceae
Poinciana regia, Madagascar, (possibly the finest ornamental tree), Fabaceae
Poitea wattapama, Fabaceae
Polanisia, clammy weed, Capparaceae
Polemonium, Greek valerian, Jacob's ladder, abscess root, Andes mountains, herbal remedy, Polemoniaceae
Poliomintha longiflora, Mexican origano, high total phenolic content, 17.51 mg of gallic acid / g fresh weight, Asteraceae
Polyalthia, Indian mast tree, Asteraceae
Polyaulax cylindrocarpa, (Meiogyne cylindrocarpa), Annonaceae
Polycarpon, many seed, Caryophyllaceae
Polycnemum, polycnemum, Chenopodiaceae
Polyctenium, comb leaf, Brassicaceae
Polygala vulgaris, common milkwort, herbaceous perennial plant, Polygalaceae
Polygonella articulata, coastal jointweed, North America, Polygonaceae
Polygonatum X hybridum, Solomon's seal, herbal remedy, jointed stems, perennial herbs and climbers, Polygonaceae
Polygonum bistorta, bistort, herbal remedy, Polygonaceae
Polygonum cuspidatum, Japanese knot weed, Polygonaceae
Polygonum multiflorum, knot weed, fleece flower tonic herbal remedy, Polygonaceae
Polygonum odoratum, Vietnamese coriander, laksa leaf, mint, Polygonaceae
Polygonum orientale, persicaria, "kiss me over the garden gate, fast-growing annual, hanging pink clusters of flowers, China, a smartweed,  Polygonaceae
Polygonum persicaria, ars-smart, lady's thumb, redshanks, herbal remedy but contain irritant oil, jointed stems, annual perennial herb and climber, Polygonaceae
Polymnia polymnia, Asteraceae
Polypremum, polypremum, Buddlejaceae
Poncirus trifoliata, hardy orange, trifoliate orange, bitter orange, (citrus rootstock), leaf has 3 leaflets, Rutaceae
Pongamia pinnata, (Millettia pinnata), Australian biofuel, Fabaceae
Populus, European poplar, American cottonwood tree, alamo, balsam poplar, black poplar, herbal remedy, deciduous, Salicaceae
Populus balsamifera, (P. tacamahacca), poplar, tacamahac, hackmatack, Salicaceae
Populus tremuloides, quaking aspen, trembling poplar, white poplar, quaking aspen, common aspen, Salicaceae
Porophyllum, pore leaf, Asteraceae
Portulaca grandiflora rose moss, Portulacaceae
Portulaca oleracea, purslane, pigweed, munyeroo, ornamental, herbal remedy, high omega 3 fatty acids, Portulacaceae
Portulacaria afra, jade plant, Portulacaceae
Potentilla anserina, silver weed, Asteraceae
Potentilla erecta, tormentil, herbal remedy, Asteraceae
Potentilla fruticosa, shrubby cinquefoil, five-fingered grass, silver weed, tormentil, tannin, herbal remedy, shrub, Asteraceae
Pouteria caimito, abiu, fruit tree, Sapotaceae
Pouteria campechiana, cinnamon apple, mamey sapote, green sapote, canistel, lhamut khamen, egg-shaped yellow-orange fruit, Mexico, Sapotaceae
Prenanthes, rattlesnake root, Asteraceae
Primula elatior, oxslip, Primulaceae
Primula veris, primrose, cowslip, peagle, herbal remedy, Primulaceae
Primula vulgaris, primrose, Primulaceae
Pyrola, winter green, Pyrolaceae
Proatriplex, proatriplex, Chenopodiaceae
Proboscidea, unicorn plant, Pedaliaceae
Prockia, prockia, Flacourtiaceae
Prosopos, mesquite, honey mesquite, screw bean, Fabaceae
Prostranthera rotundifolia, native mint,
commercial bushfood, Australia, Lamiaceae
Protea, protea, Proteaceae
Proustia, proustia, Asteraceae
Prunella vulgaris, halal, self heal, garden herb, herbal remedy, Lamiaceae
Prunus
Psacalium, Indian bush, Asteraceae
Psathyrotes, turtle back, Asteraceae
Pseudelephantopus, dog's tongue, Asteraceae
Pseudobahia, sun burst, Asteraceae
Pseudoclappia, false clap daisy, Asteraceae
Pseudognaphalium, cud weed, Asteraceae
Psidium guajava, guava, Asteraceae
Psiguria, pygmy melon, Cucurbitaceae
Psilactis, tansy aster, Asteraceae
Psilocarphus, woolly heads, Asteraceae
Psilocaulon, Aizoaceae
Psilostrophe, paper flower, Asteraceae
Psilotrichum, Amaranthaceae
Psophocarpus tetragonolobus, winged bean, Goa bean, "as bean", Fabaceae
Psoralea corylifolia, (Cullen sp.), bu gu zhi, scurf pea, herbal remedy, Fabaceae
Psoralidium, scurf pea, slim flower, Fabaceae
Psorothamnus dalea, Fabaceae
Psychotria, wild coffee, Rubiaceae
Pterocarpus indicus, deciduous, reacher 21 metres, used for furniture, South China, Fabaceae
Pterocarpus santalinus, purple or red sandalwood, purple rosewood, zitan, slow growing, denser than water, zitan wood reserved for Qing dynasty royalty because of purple colour, South China, Fabaceae
Pterocarya, wing nut, Asteraceae
Pterocaulon, black root, Asteraceae
Pteronia incana, pteronia, blue dog, Asteraceae
Pterospora, pine drops, Monotropaceae
Pterostyrax hispidus, epaulette tree, Japan, China, Styracaceae
Ptychopetalum olacoides, "Muira Puama, potency wood", herbal medicine, Brazil, Olacaceae
Pueraria mirifica, folk medicine for cancer and breast development, Fabaceae
Pueraria montana, var. lobata, (P. lobata), kudzu, (dangerous invasive weed), Fabaceae
Pueraria phaseoloides, (Stizolobium aterrimum), kudzu, pueraria, puero, Fabaceae
Pulicaria, false flea bane, Asteraceae
Pulicaria, fleabane, common flea bane, Asteraceae
Pulmonaria officinalis, lung wort, herbal remedy, Boraginaceae
Punica granatum, pomegranate, (pome, French: apple, granate, Latin: granatum. many seeds), dadima, herbal remedy, (edible fruit, salads, beverages), Iran, India, Punicaceae
Pyrola, wintergreen, herbal remedy, Asteraceae
Pyrostegia venusta, flame vine, bignonia, orange-flowered Stephanotis, Brazil, ornamental tree, Bignoniaceae
Pyrrhopappus, desert chicory, Asteraceae
Pyrrocoma, golden weed, Asteraceae
Pyrus communis, common pear, (pear from Latin: pirium), Rosaceae
Pyrus cydonia, pear, quince, herbal remedy, Asteraceae
Pyxidanthera, Pyxidanthera, Diapensiaceae

Jatropha capensis, nettle spurge, Euphorbiaceae
Jatropha cardiophylla, sangre de cristo, Euphorbiaceae
Jatropha cathartica, (J. berlandieri), Berlandier's nettle spurge, Euphorbiaceae
Jatropha cinerea, Arizona nettle spurge, Euphorbiaceae
Jatropha costaricensis, Costa Rican jatropha, Euphorbiaceae
Jatropha cuneata, physic nut, Euphorbiaceae
Jatropha curcas, (J. acerifolia, J. edulis, J. yucatanensis), Barbados nut, Euphorbiaceae
Jatropha dioica, (J. spathula), leather stem, Euphorbiaceae
Jatropha dissecta, Euphorbiaceae
Jatropha dulcis, (Manihot esculenta), Euphorbiaceae
Jatropha elliptica, Euphorbiaceae
Jatropha excisa, Euphorbiaceae
Jatropha gossypiifolia, (Jatropha multifida, J. staphysagrifolia), physic nut, Jarak cina, coral bush, bellyache bush, Jarak, Euphorbiaceae
Jatropha hastata, (J. integerrima, var. hastata), peregrina, Euphorbiaceae
Jatropha hernandiifolia, wild oil nut, Euphorbiaceae
Jatropha macrantha, Euphorbiaceae
Jatropha macrocarpa, Euphorbiaceae
Jatropha macrophylla, Euphorbiaceae
Jatropha macrorhiza, ragged nettle spurge, Euphorbiaceae
Jatropha mollissima, (J. villosa), Euphorbiaceae
Jatropha podagrica, gouty stalk nettle spurge, Tartoga, Euphorbiacea
Jatropha spicata, (J. messinica, J. kilimandscharica, J. pseudoglandulifera), Euphorbiaceae
Jatropha variifolia, (J. heterophylla), Euphorbiaceae
Jatropha zeyheri, Euphorbiaceae

Prunus alabamensis, Alabama cherry
Prunus amygdalus, (Amygdalus communis, A. dulcis), sweet almond, white flowers sweet almond oil, fixed oil, damson plum, sloe bush, herbal remedy, (subgenus for peaches, nectarines and almonds), Rosaceae
Prunus alleghaniensis, Allegheny plum, Rosaceae
Prunus americana, American plum, Rosaceae
Prunus andersonii, desert peach, Rosaceae
Prunus angustifolia, Chickasaw plum, Rosaceae
Prunus armeniaca, (also a subgenus for all the apricots), (Armeniaca vulgaris), apricot, cyanogenetic glycosides, amygdalin, apricot pits, Rosaceae
Prunus avium, sweet cherry, cherry, contains the monoterpene perillyl alcohol, Rosaceae
Prunus cerasifera, cherry plum, Rosaceae
Prunus cerasus, (P. vulgaris), sour cherry, acid cherry, morello cherry, (also subgenus for all cherries and flowering cherries), Rosaceae
Prunus cerasus, X Prunus avium, cherry, common cherry, Rosaceae
Prunus domestica, European plum, herbal medicine, Rosaceae
Prunus dulcis, (P. dulcis var. amara), bitter almond, pink-white flowers, Rosaceae
Prunus caroliniana, Carolina laurel cherry, Rosaceae
Prunus dulcis, (P. communis, P. amygdalus, Amygdalus communis, A. dulcis), almond, Rosaceae
Prunus dulcis var. dulcis, sweet almond, Rosaceae
Prunus dulcis var. amara, bitter almond, Rosaceae
Prunus emarginata, bitter cherry, Rosaceae
Prunus fasciculata, desert almond, Rosaceae
Prunus fremontii, desert apricot, Rosaceae
Prunus fruticosa, European dwarf cherry, Rosaceae
Prunus geniculata, scrub plum, Rosaceae
Prunus glandulosa, flowering almond, Rosaceae
Prunus gracilis, Oklahoma plum, Rosaceae
Prunus havardii, Harvard's plum, Rosaceae
Prunus ilicifolia, holly leaf cherry, Rosaceae
Prunus japonica, Japanese bush cherry, Rosaceae
Prunus laurocerasus, cherry laurel, Rosaceae
Prunus lusitanica, Portugal laurel, evergreen shrub, North America, Rosaceae
Prunus maackii, Amur choke cherry, Rosaceae
Prunus maximowiczii, Korean cherry, Rosaceae
Prunus maritima, beach plum, Rosaceae
Prunus mexicana, Mexican plum, Rosaceae
Prunus minutiflora, Texas almond, Rosaceae
Prunus mume, Japanese apricot, Rosaceae
Prunus munsoniana, wild goose plum, Rosaceae
Prunus murrayana, Murray's plum, Rosaceae
Prunus myrtifolia, West Indian cherry, Rosaceae
Prunus occidentalis, western cherry laurel, Rosaceae
Prunus padus, European bird cherry, Rosaceae
Prunus pensylvanica, pin cherry, Rosaceae
Prunus persica, peach, (peach from Latin: persica, persicum, Persian apple), Rosaceae
Prunus persica var. nucipersica, nectarine, Rosaceae
Prunus pleuradenia, Antilles cherry, Rosaceae
Prunus pumila, sand cherry, Rosaceae
Prunus rivularis, creek plum, Rosaceae
Prunus salicina, Japanese plum, Rosaceae
Prunus serotina, black cherry, wild cherry, herbal remedy, Rosaceae
Prunus serrulata, Japanese flowering cherry, Rosaceae
Prunus spinosa, blackthorn, Rosaceae
Prunus subcordata, Klamath plum, Rosaceae
Prunus subhirtella, winter flowering cherry, Rosaceae
Prunus susquehanae, Sesquehana sand cherry, Rosaceae
Prunus tenella, dwarf Russian almond, Rosaceae
Prunus texana, peach bush, Rosaceae
Prunus tomentosa, Nanking cherry, Rosaceae
Prunus triloba, flowering plum, Rosaceae
Prunus umbellata, hog plum, Rosaceae
Prunus virginiana, choke cherry, Rosaceae
Prunus vulgaris, self heal, herbal remedy, Rosaceae
Prunus yedoensis, herbal remedy, Rosaceae