3,306 articles
Dendrocalamus
Dendrocalamus is a genus of about 80 accepted species of tropical Asian woody bamboos (Poaceae), erected in 1834 with type species D. strictus; best known is giant bamboo D. asper, used for construction, pulp, and edible shoots.
Dendrocalamus asper
Dendrocalamus asper, giant bamboo or sweet bamboo (马来甜龙竹, buluh betong), a tropical clumping bamboo native from Bangladesh to Taiwan and Malesia, grown 15-30 m tall for construction culms and edible shoots.
Dendrocnide moroides
Dendrocnide moroides, gympie-gympie or mulberrylike stinging tree, is a Queensland and NSW rainforest shrub whose silica-tipped hairs inject gympietide neurotoxins causing months of pain.
Dendroctonus frontalis
Dendroctonus frontalis, the southern pine beetle, a 3 mm Scolytinae bark beetle of pines from Honduras to New England; kills hosts via frontalin-driven mass attacks, S-shaped galleries, and fungal symbionts.
Dendroctonus micans
Dendroctonus micans, the great spruce bark beetle (European spruce bark beetle), is a Palaearctic bark beetle pest of spruce from Siberia to Britain, controlled mainly by the specific predator Rhizophagus grandis.
Dendroctonus rufipennis
Dendroctonus rufipennis, the spruce beetle, is a native North American bark beetle killing mature spruce across the continent. Distinguished from Ips typographus and D. ponderosae by its spruce hosts, two-year life cycle, and major Alaska and Yukon outbreaks.
Dendrophylax lindenii
Dendrophylax lindenii, the ghost orchid (also palmpolly, frog orchid), is a leafless epiphytic orchid of south Florida and Cuba with green photosynthetic roots, night-fragrant white flowers, hawk moth pollination, and G1/endangered conservation status.
Dent corn
Dent corn, a class of Zea mays field corn, has hard side endosperm and a soft floury crown that dents on drying. Descended from northern flint crossed with southern dent, it dominates U.S. Corn Belt production for feed and ethanol.
Deschampsia
Deschampsia (hair grass), Poaceae genus established by Palisot de Beauvois in 1812, type D. cespitosa; about 64 species native from subarctic to temperate zones, including Antarctic D. antarctica.
Desmodium
Desmodium (ticktrefoil, tickclover) is a genus of ~178 accepted Fabaceae species with lomentaceous pods bearing hooked hairs, native to the New World, Tropical Africa, and the southern Arabian Peninsula, used as forage legumes and in push–pull pest control.
Detasseling
Detasseling removes the tassel from female maize plants in hybrid seed corn fields to prevent self-pollination; done by hand or machine, with male sterility systems like CMS and Ms44-SPT as alternatives, costing about 14% seed yield when manual.
Dewberry
Dewberry, trailing brambles of genus Rubus (R. flagellaris, R. trivialis, R. caesius, blåhallon, salmbär), low vine-like canes rooting at tips, red-haired slender thorns, earlier-ripening blackberry-like fruit, distinct from upright blackberries.
Dialium
Dialium L. is a pantropical genus of Fabaceae trees (subfamily Dialioideae), type species D. indum, with about 37 accepted species, indehiscent edible-pulped fruits (velvet tamarind, keranji), and centers of diversity in West-Central Africa and western Malesia.
Dianthus
Dianthus (pinks, carnations, sweet William) is a genus of about 384 accepted species in Caryophyllaceae, native from Europe to temperate Asia, Africa, and Subarctic America, with tubular calyces, five clawed petals, and capsules opening by four teeth.
Dianthus caryophyllus
Dianthus caryophyllus, the carnation or clove pink, a Mediterranean Caryophyllaceae subshrub and major cut-flower crop; diploid 2n=30, third most traded flower, Colombia top exporter, blue GM varieties exist.
Dicentra
Dicentra, the true bleeding-hearts, is a genus of eight perennial herb species in Papaveraceae native from eastern Asia and Japan to North America; formerly broader, it was split in 1997, moving the garden bleeding heart to Lamprocapnos.
Dichanthium
Dichanthium (bluestem) is a genus of about 20 Old World tropical C4 grasses in Poaceae, tribe Andropogoneae, related to Bothriochloa; D. annulatum and allies are major drought-tolerant tropical forage and erosion-control grasses.
Dichanthium aristatum
Dichanthium aristatum (Angleton grass, Angleton bluestem) is a perennial tropical forage grass in Poaceae, native from India to Yunnan and Malesia, with 2n = 20, 40, 60, hay yields of 4.5–13.5 t/ha, and cultivars 'Medio', 'Gordo', 'Alabang X', and 'Floren'.
Dicotyledon
Dicotyledon (dicot): flowering plant whose embryo has two cotyledons, with net-veined leaves, flower parts in fours or fives, ringed stem vascular bundles, and taproots; historically a class, now known to be paraphyletic, with eudicots forming two-thirds of flowering plants.
Dicotyledon flora of Montana
The dicotyledon flora of Montana, also known as the dicots of Montana, comprises the state's dicot flowering plants, first fully documented by Booth and Wright's 1959 Flora of Montana.
Dictamnus
Dictamnus, the gas plant or burning bush genus (Fraxinella), is a Rutaceae genus of three accepted species of temperate Eurasian aromatic herbs, chemically distinct in quinoline alkaloids and limonoids, phylogenetically isolated from Ruteae, and long used in traditional medicine.
Dieffenbachia
Dieffenbachia (dumb cane) is a genus of about 57 Araceae herbs native from Mexico to tropical America, grown as variegated houseplants; all parts contain calcium oxalate raphides and proteolytic enzymes causing painful swelling and temporary loss of speech.
Digitalis
Digitalis (foxglove), Plantaginaceae genus and cardiac glycoside drug; source of digoxin and digitoxin, Na+/K+-ATPase inhibitors introduced by Withering's 1785 Account of the Foxglove for dropsy and heart failure.
Digitalis lanata
Digitalis lanata (woolly or Grecian foxglove), Plantaginaceae, a biennial/perennial herb native from SE Europe to NW Türkiye, cultivated for digoxin and lanatosides; introduced and weedy in North America.
Digitalis purpurea
Digitalis purpurea, common foxglove, is a biennial European plant with purple tubular flowers, source of cardiac glycosides like digitoxin, codified by Withering in 1785, and toxic in all parts.
Digitaria
Digitaria (crabgrasses), a cosmopolitan Poaceae genus of about 250-267 species published by Haller in 1768; includes lawn weeds D. sanguinalis and D. ischaemum and the West African cereal fonio, Digitaria exilis.
Digitaria sanguinalis
Digitaria sanguinalis, large or hairy crabgrass, is an annual C4 grass native from the Mediterranean to Central Asia and Malesia, now a major global weed of crops, lawns, and turf with documented herbicide resistance.
Dill
Dill (Anethum graveolens), annual Apiaceae herb grown for feathery leaves and carvone-rich seeds used in pickling, flavoring, essential oil, and Ayurvedic medicine; native from North Africa to Iran.
Dilleniaceae
Dilleniaceae Salisb., sole family of the order Dilleniales, is a pantropical family of 11 genera and roughly 400-600 species of trees, shrubs, and lianas, including Hibbertia, Dillenia, and Tetracera, with numerous stamens and arillate seeds.
Dilleniales
Dilleniales is an accepted order of flowering plants containing the single family Dilleniaceae, with 12 genera and about 430 species, recognized in APG IV (2016) and placed uncertainly within the core eudicot Pentapetalae.