3,306 articles
Indian hemp
Indian hemp, also called kenaf, Deccan hemp, or Java jute (Hibiscus cannabinus L.), is an African-originated annual Malvaceae fiber crop grown for cordage, paper pulp, and biocomposites, unrelated to Cannabis sativa.
Indigofera
Indigofera (indigo plants), a Fabaceae legume genus of 764 species, pantropical with Africa-Madagascar as its diversity center; source of the blue dye indigo via Indigofera tinctoria and I. suffruticosa, also used as forage, medicine, and green manure, with some species toxic to livestock.
Indigofera tinctoria
Indigofera tinctoria (true indigo, nila) is a Fabaceae shrub whose indican-rich leaves yield indigo dye; native range spans tropical Africa and South Asia, displaced commercially by synthetic indigo after 1897.
Indri (whisky)
Indri is an Indian single malt whisky brand from Piccadily Agro Industries, made in Indri village, Haryana, from six-row Rajasthan barley. Its Trini triple cask flagship and Diwali editions won Best in Show 2023; by 2024 it was India's largest-selling single malt.
Inflorescence
Inflorescence: the flower-bearing system of a plant, also called a flower cluster, defined by branching pattern and flower position. Types include raceme, cyme, panicle, spike, and umbel; determinacy is controlled by LEAFY and TERMINAL FLOWER1.
Inga
Inga is a genus of about 300 species of nitrogen-fixing trees in the legume family Fabaceae, native to tropical America and long grown as shade for coffee and cacao.
Injera (እንጀራ)
Injera (እንጀራ), also spelled enjera, is a spongy sourdough flatbread made from fermented teff flour and the traditional staple food of Ethiopia, eaten daily with wot stews.
International Maize and Wheat Improvement Center
CIMMYT (Centro Internacional de Mejoramiento de Maíz y Trigo), a CGIAR agricultural research center founded in 1966 in Mexico; Borlaug's Green Revolution wheat, quality protein maize, and 80% of world maize/wheat breeding lines.
Inula
Inula, a genus of Asteraceae herbs and shrubs with yellow flower heads, native from temperate Eurasia to Indo-China and Africa; includes elecampane (I. helenium), long used in traditional medicine, and is now largely reorganized into Pentanema.
Inulin
Inulin is a plant storage fructan of β-(2→1)-linked fructose chains, usually with a terminal glucose, found in chicory, Jerusalem artichoke, and over 36,000 plants; used as prebiotic fiber, fat and sugar replacer, and kidney function diagnostic.
Invasive pests of conifer forests
Invasive pests of conifer forests are insects and pathogens moved by human activity outside their native ranges that attack pines, spruces, firs, and hemlocks, causing more than $70 billion in damage yearly.
Ipomoea
Ipomoea (morning glories) is the largest genus of Convolvulaceae, about 800 pantropical species published by Linnaeus in 1753, including sweet potato (I. batatas), water spinach, and ornamental morning glories.
Ipomoea alba
Ipomoea alba, the moonflower (also moonvine, tropical white morning glory), is a night-blooming Convolvulaceae vine native to tropical and subtropical America, with fragrant white flowers 11–16 cm wide that open at dusk; IUCN Least Concern.
Ipomoea aquatica
Ipomoea aquatica (water spinach, kangkong, Ong Tsoi) is a tropical Convolvulaceae herb with floating, node-rooting stems, grown as a leafy vegetable yielding 40-60 t/ha, yet a prohibited noxious weed in Florida.
Ipomoea purga
Ipomoea purga (jalap, raíz de jalapa), a Mexican tuberous morning glory of Veracruz mountains, source of the purgative drug jalap; resin glycosides, purgic acids A and B.
Ipomoea tricolor
Ipomoea tricolor, or grannyvine, is a climbing Mexican morning-glory in the Convolvulaceae, cultivated for its large funnel-shaped blue to violet flowers with a yellowish throat.
Ipomoea triloba
Ipomoea triloba (little bell, trilobed morning glory), a Convolvulaceae vine native from Mexico to Brazil and the Caribbean, naturalized as a tropical weed, prohibited in Florida, with lilac 1–2 cm flowers and three-lobed leaves.
Iridaceae
Iridaceae, the iris family (Asparagales), are perennial herbs with rhizomes, corms, or bulbs; six tepals, three stamens, and an inferior ovary. About 70 genera including Iris, Gladiolus, Crocus, and saffron.
Iris (plant)
Iris (Tourn. ex L.), the iris genus of Iridaceae, about 250–300 species of rhizomatous or bulbous perennials with three-parted flowers; source of orris root for perfumery, traditional medicine, and garden ornamentals like I. germanica.
Iris × germanica
Iris × germanica, German iris or bearded iris, is the classic tall purple garden flag, an accepted I. pallida × I. variegata hybrid native to the NW Balkans, source of orris root, published by Linnaeus in 1753.
Iris cultivar classification and registration
Iris cultivar classification and registration is the system sorting garden irises into classes such as Tall Bearded and Siberian, with cultivar names registered by the American Iris Society.
Iris foetidissima
Iris foetidissima, known as stinking iris or roast beef plant, is an evergreen iris native to western Europe, grown for its winter seed pods of bright orange-red seeds.
Iris pallida
Iris pallida (sweet iris, Dalmatian iris), Lam. 1789, Iridaceae, native to N. Italy and NW Balkans; source of orris root and orris butter, whose irones form during years of rhizome aging for perfumery, gin flavoring, and fixative uses.
Iris pests and diseases
Iris pests and diseases are the insect pests, rots, fungal diseases, and viruses that attack iris, with the iris borer and bacterial soft rot the most destructive.
Iris pseudacorus
Iris pseudacorus (yellow flag iris, yellow iris) is a rhizomatous Eurasian wetland iris with yellow flowers, IUCN least concern, planted worldwide as an ornamental and invasive in North American and other wetlands outside its native range.
Iris ser. Californicae
Iris ser. Californicae, the Pacific Coast irises or Pacifica iris, is a series of 12-14 beardless iris species native from southern California to southwest Washington, forming the AIS garden class CA and famous for rampant natural hybridization.
Iris subg. Iris
Iris subg. Iris, the bearded irises, is a Eurasian subgenus of Iris with stout rhizomes, bearded falls, and sections Iris, Hexapogon, Psammiris, Pseudoregelia, Oncocyclus, and Regelia; it includes I. germanica and the six AIS garden classes.
Iris subg. Scorpiris
Iris subg. Scorpiris, commonly called the juno irises, is a subgenus of bulbous plants in the genus Iris, with about 68 species ranging from Türkiye to the Tian Shan.
Iris subg. Xiphium
Iris subg. Xiphium (Xiphium, Spanish iris Iris xiphium) is a subgenus of six bulbous, beardless iris species native to the Iberian Peninsula and North-West Africa, source of Dutch iris hybrids, with 2n=34 and debated monophyly.
Ironwood
Ironwood is a common name for dozens of unrelated hard-wood trees, including desert ironwood (Olneya tesota), hop hornbeam (Ostrya virginiana), and Bornean ulin; their dense timber sinks in water and serves keystone ecological and cultural roles.