3,306 articles
Draba
Draba (whitlow-grasses), largest genus of Brassicaceae in tribe Arabideae, over 370 arctic-alpine species on every continent except Australia and Antarctica; monophyletic but with artificial sectional classifications.
Dracaena (plant)
Dracaena, commonly called dragon plant or dragon tree, is a genus of about 224 species of trees and shrubs in the asparagus family, native to Old World tropics.
Dracaena cinnabari
Dracaena cinnabari, the Dragon's Blood Tree, is a Vulnerable IUCN-listed tree endemic to Socotra, Yemen, famed for red dragon's blood resin, umbrella canopies, slow 2–3 cm growth, and threats from goats, cyclones, and overgrazing.
Dracaena draco
Dracaena draco, the Canary Island dragon tree or drago, is an Endangered tree-like monocot of the Canary Islands, Madeira, Cabo Verde, and Morocco, known for dragon's blood resin, flowering-driven branching, and the ancient El Drago Milenario of Tenerife.
Dracaena fragrans
Dracaena fragrans (corn plant, cornstalk dracaena) is a tropical African Asparagaceae tree or shrub with fragrant night-opening flowers, a common houseplant, formerly split as D. deremensis, IUCN Least Concern.
Dracaena sanderiana
Dracaena sanderiana, lucky bamboo or ribbon plant, is a West African Asparagaceae shrub sold as a houseplant; not a true bamboo, toxic to cats and dogs via saponins, and the top benzene-removing plant in an 8-species screening study.
Dracaena trifasciata
Dracaena trifasciata (syn. Sansevieria trifasciata), snake plant or mother-in-law's tongue, is a rhizomatous African geophyte in Asparagaceae, reclassified from Sansevieria to Dracaena in 2017, native from Nigeria to Tanzania, 2n=40, widely grown as a houseplant.
Dracocephalum
Dracocephalum (dragonhead) is a Lamiaceae genus of about 70 aromatic herb species of the temperate Northern Hemisphere; Hyssopus and Lallemantia are embedded within it, and D. moldavica is its most-studied medicinal species.
Dracula vampira
Dracula vampira, the vampire orchid, is an epiphytic Ecuadorian cloud-forest orchid described in 1978, with black-veined 20-30 cm flowers, mushroom-mimic pollination, CITES Appendix II listing, and threats from wild collection.
Dracunculus
Dracunculus (dragon arums) is a genus of two tuberous aroid species, D. canariensis and D. vulgaris, native from Macaronesia to SW Türkiye, in tribe Areae, with thermogenic purple inflorescences.
Dragon's blood
Dragon's blood (Resina Draconis, Xuejie, sangre de drago) is a deep red resin from Croton, Dracaena, Daemonorops, and Pterocarpus species, used as varnish, dye, incense, and traditional medicine, with clinical trials in wound healing, antithrombosis, and diarrhea.
Drimia maritima
Drimia maritima, maritime squill or sea onion (syn. Urginea maritima, Scilla maritima), is a Mediterranean bulbous geophyte with toxic bufadienolide glycosides; white squill is medicinal, red squill (scilliroside) a rodenticide.
Drimys
Drimys (canelo, winter's bark) is a genus of seven vessel-less evergreen Winteraceae trees and shrubs native from Mexico to southern South America, described by the Forsters in 1776, with Australasian species split off into Tasmannia.
Drosera
Drosera, the sundews, is a genus of 260 accepted carnivorous plant species with sticky flypaper traps, cosmopolitan in distribution, sister to Dionaea and Aldrovanda, richest in Australia and Brazil, and long used medicinally.
Droseraceae
Droseraceae, the sundew family, is a family of carnivorous flowering plants comprising three genera: the sundews (Drosera), the Venus flytrap (Dionaea), and the aquatic waterwheel plant (Aldrovanda).
Drunken noodles (ผัดขี้เมา)
Drunken noodles (ผัดขี้เมา, pad kee mao) is a spicy Thai stir-fry of wide sen yai rice noodles with holy basil, bird's-eye chilies, garlic, oyster sauce, and dark soy; no alcohol, spicier cousin of pad see ew.
Drupe
Drupe (stone fruit): a fleshy fruit with a three-layered pericarp, thin exocarp, fleshy mesocarp, and hard lignified endocarp (pit or pyrene) around usually one seed; examples peach, cherry, plum, coconut, olive, almond, coffee.
Dryas
Dryas is a genus of dwarf shrubs in the rose family, native to subarctic and subalpine regions of the Northern Hemisphere and best known for the mountain avens.
Dryas octopetala
Dryas octopetala, mountain avens or eightpetal mountain-avens, is a circumpolar arctic-alpine evergreen subshrub of Rosaceae with usually eight-petaled white flowers; it names the Older and Younger Dryas cold periods and is Iceland's national flower.
Drymaria arenarioides
Drymaria arenarioides (alfombrilla, lightning weed, sandwort drymary), a Caryophyllaceae perennial herb native to Mexico; federal noxious weed, saponins toxic to cattle, sheep, and goats.
Duranta
Duranta (golden dewdrop, skyflower) is a Verbenaceae genus of Neotropical shrubs and small trees, type species Duranta erecta, recognized by axillary spines and yellow four-pyrene drupes; about 29-35 species, ornamental, invasive, and toxic.
Duranta erecta
Duranta erecta (golden dewdrop, pigeon berry, skyflower; synonym Duranta repens) is a thorny Verbenaceae shrub native from Mexico to South America and Florida, grown ornamentally, toxic to people via saponin-rich berries, and invasive in Florida, Australia, China, Taiwan, and Fiji.
Durio
Durio is a genus of about 29 accepted Southeast Asian trees in Malvaceae, native from Indo-China to western Malesia, centering on Borneo; it includes the durian, Durio zibethinus, the only widely cultivated species, plus edible wild relatives and timber trees.
Durio zibethinus
Durio zibethinus (durian) is a Malvaceae tree native to Sumatra and Borneo, the only Durio species grown commercially, known for its sulfury aroma from esters and sulfur volatiles.
Dyckia
Dyckia Schult. & Schult.f. is a genus of about 192 accepted xeromorphic bromeliad species native from Brazil to northern Argentina, with succulent spiny leaves, CAM photosynthesis, and yellow to orange flowers; also called dyckia or sawblade (D. brevifolia).
Dysphania ambrosioides
Dysphania ambrosioides, known as epazote or Mexican tea, is an aromatic herb native to the Americas, used as a culinary herb in Mexican and Caribbean cooking and in traditional medicine against intestinal parasites.
Ebenaceae
Ebenaceae, the ebony family (synonyms Lissocarpaceae, Diospyraceae), is a pantropical Ericales family of about 750 tree species in Diospyros, Euclea, and Lissocarpa, source of ebony timber and persimmon fruit.
Echeveria
Echeveria DC., also known as Mexican rosettes or Mexican snowballs, is a Crassulaceae succulent genus of about 219 accepted species native from southern Texas to northwestern Argentina, centered in Mexico, with CAM photosynthesis and rosette growth.
Echinacea
Echinacea (purple coneflower) is a North American Asteraceae genus of nine accepted species, including E. purpurea, E. angustifolia, and E. pallida, used medicinally since Indigenous North American practice and marketed for colds, though clinical evidence is weak.
Echinacea purpurea
Echinacea purpurea, eastern purple coneflower, is a North American Asteraceae perennial used in cold remedies; clinical evidence shows at most a weak 10-20% reduction in cold risk, with allergic and digestive side effects possible.