2,112 articles
Ageratum conyzoides
Ageratum conyzoides (billy goat weed, goat weed, tropical whiteweed), an aromatic Asteraceae annual herb native to Mexico, pantropical invasive agricultural weed, folk medicine, and source of precocenes, methoxyflavonoids, and hepatotoxic pyrrolizidine alkaloids.
Aglaia
Aglaia (plant genus), Aglaia Lour., a genus of about 110–125 tropical trees and shrubs in the mahogany family Meliaceae, ranging from India to Samoa, sole source of anticancer flavagline compounds such as rocaglamide.
Agonis
Agonis (peppermints) is a genus of aromatic Myrtaceae shrubs and trees endemic to south-west Western Australia, with white flowers in globular heads and woody 3-valved capsules; type species Agonis flexuosa, the willow myrtle.
Agrimonia
Agrimonia (agrimony) is a genus of Rosaceae perennial herbs with yellow flowers and hooked burs, native to temperate Northern Hemisphere regions; type species A. eupatoria, used as the herbal drug Agrimoniae herba.
Agrimonia eupatoria
Agrimonia eupatoria (agrimony, church steeples) is a Rosaceae perennial herb of Europe, North Africa, and Asia; its dried flowering tops (Agrimoniae herba) are a tannin-rich traditional astringent drug regulated by an EMA monograph.
Agrostemma
Agrostemma, commonly known as the corncockles, is a small genus of two annual herb species in the pink family, native from southeastern Europe to western Asia.
Agrostemma githago
Agrostemma githago, common corncockle, is a toxic annual Caryophyllaceae herb native from SE Europe to N Iran, once a widespread grain-field weed whose seeds contaminated wheat until modern seed cleaning made it rare.
Ailanthus
Ailanthus is a genus of six tree species in Simaroubaceae, native from tropical Asia to northern Australia; its best-known member, Ailanthus altissima (tree-of-heaven), is a major invasive tree in Europe, North America, and elsewhere.
Ailanthus altissima
Ailanthus altissima, tree-of-heaven, is an invasive Simaroubaceae tree from China, introduced to Europe in 1751 and North America in 1784, known for ailanthone allelopathy, clonal root suckers, and heavy seeding.
Aizoaceae
Aizoaceae, commonly called the ice plant family, is a family of flowering plants with succulent leaves and capsule fruits, with most of its roughly 2,000 species native to southern Africa.
Aizoon
Aizoon is a genus of succulent herbs and shrublets in the ice plant family, Aizoaceae, established by Linnaeus in 1753 and native from Macaronesia to Pakistan and Eritrea to South Africa.
Ajuga
Ajuga, commonly known as bugleweed or carpet bugle, is a genus of about 69 species of flowering plants in the mint family, native across Eurasia and known for the ground cover Ajuga reptans.
Ajuga reptans
Ajuga reptans (bugle, bugleweed, carpet bugleweed), Lamiaceae perennial herb native to Europe to N. Iran and NW Africa, spread by stolons; shade ground cover, invasive-risk listed in Florida, studied for hepatoprotective and hemostatic extracts.
Ajwain (अजवाइन)
Ajwain (अजवाइन), carom seed or bishop's weed, is the spice from Trachyspermum ammi, an Apiaceae annual native from Iraq to Central Asia. India is the largest producer; its thymol-rich essential oil (35–60% thymol) gives a thyme-like flavor and digestive, antimicrobial uses.
Albizia
Albizia is a genus of woody trees and shrubs in the legume family Fabaceae, published in 1772 and best known for the silktree, Albizia julibrissin.
Albizia julibrissin
Albizia julibrissin, silktree or mimosa (Persian silk tree), a Fabaceae tree native from Iran to Japan, grown as an ornamental since the 18th century and now a Category I invasive in Florida and much of the southeastern US.
Albizia lebbeck
Albizia lebbeck, the woman's tongue tree or siris (Mimosa lebbeck L.), a Fabaceae tree native from the Indian subcontinent to Myanmar, grown for fodder, timber, and shade, invasive in Florida and elsewhere.
Alcea
Alcea (hollyhocks) is a genus of about 83 accepted species of Malvaceae herbs native from East Central Europe to Central Asia; Alcea rosea, the hollyhock, is a cultigen from Türkiye grown as an ornamental and used in traditional medicine.
Alchemilla
Alchemilla (lady's mantle), Rosaceae genus of perennial herbs with palmately lobed leaves and greenish flowers; apomictic microspecies; used traditionally for gynecological and digestive complaints.
Alchornea
Alchornea Sw. is a genus of about 51 accepted species of dioecious Euphorbiaceae shrubs and small trees native to the tropics and subtropics, used in traditional medicine; A. cordifolia, A. floribunda, and A. laxiflora are the most studied medicinal species.
Aldama
Aldama La Llave is a genus of about 115–120 species of Asteraceae (Heliantheae, Helianthinae) shrubs and herbs native to tropical and subtropical America, centered in Mexico, segregated from Viguiera in 2011.
Alder
Alder (Alnus), a genus of about 40 birch-family trees and shrubs of the temperate Northern Hemisphere to the Andes, identified by stalked buds and persistent cones, and fixing nitrogen through Frankia root nodules.
Aldrovanda vesiculosa
Aldrovanda vesiculosa, the waterwheel plant, is the sole living species of its carnivorous plant genus, a rootless aquatic snap-trap plant native from Europe to Australia, IUCN Endangered with only 50 confirmed extant sites after decline from 379 historical populations, and extinct in the wild in Japan since 1967.
Aleurites
Aleurites is a two-species Euphorbiaceae tree genus of tropical Asia to the western Pacific, best known as the candlenut, Aleurites moluccanus, an oilseed and traditional-use tree with toxic raw seeds; tung oil trees formerly placed here now belong to Vernicia.
Aleurites moluccanus
Aleurites moluccanus, the candlenut tree (kukui, kemiri, 石栗), is an Euphorbiaceae tree native from tropical Asia to the western Pacific, grown for oil-rich seeds used as food, medicine, candles, and biodiesel; invasive in Pacific islands.
Alhagi
Alhagi (camelthorn genus) is a genus of four spiny Fabaceae shrubs native from Chad and the E. Mediterranean to the Himalaya; A. maurorum is a noxious weed and medicinal plant, A. sparsifolia a Taklimakan desert phreatophyte.
Alliaria petiolata
Alliaria petiolata, known as garlic mustard, is a biennial mustard herb native to Europe that has become invasive in North American forests since the 1860s.
Almond
Almond (Prunus dulcis, syn. P. amygdalus), an early-domesticated Near Eastern nut tree; wild ancestor likely P. fenzliana; California grows about 80% of world supply; kernels contain amygdalin.
Alnus glutinosa
Alnus glutinosa, common or black alder, is a European wetland tree in Betulaceae that fixes nitrogen via Frankia root nodules, has sticky buds, water-durable timber, and is invasive in North America, New Zealand, and South Africa.
Alnus rubra
Alnus rubra, the red alder, is a fast-growing deciduous tree of the birch family native to the Pacific Coast from Alaska to California, the largest alder in the Americas.