4,295 articles
Lagarostrobos franklinii
Lagarostrobos franklinii, Huon pine (formerly Dacrydium franklinii), a slow-growing Tasmanian endemic conifer in Podocarpaceae; dioecious riverbank rainforest tree to 30 m, living stems to 2,500 years, Mt Read male clone possibly over 10,000 years, oil-rich durable timber, IUCN Least Concern.
Lagenaria
Lagenaria is an African genus of six cucurbit vine species, home of the bottle gourd Lagenaria siceraria (calabash), among the oldest domesticated plants, used as containers, utensils, and instruments, with disputed arrival in the Americas.
Lagerstroemia
Lagerstroemia (crape myrtle genus), Lythraceae, ~50 accepted species of Asian-Australian trees and shrubs; ornamental L. indica, L. speciosa; timber like teak; crinkled petals, winged seeds.
Lagerstroemia speciosa
Lagerstroemia speciosa (banaba, queen's crape myrtle, pride of India) is a tropical Asian Lythraceae tree with large pink-mauve panicles, native from Yunnan to Malesia, used as timber, ornamental, and antidiabetic herbal medicine.
Lamiaceae
Lamiaceae (Labiatae), the mint family, is a cosmopolitan Lamiales family of about 236 genera and over 7,000 species, sixth largest among angiosperms, with opposite leaves, four-stamened zygomorphic flowers, and major culinary and aromatic uses.
Lamiales
Lamiales, also known as Scrophulariales or Lamiiflorae, is a large order of flowering plants with over 20,000 species worldwide, including mints, olives, sesame, and foxgloves, named in 1993.
Laminaria digitata
Laminaria digitata (oarweed, tangle) is a North Atlantic brown kelp, type species of Laminaria, with digitate blades, ~1% dry-weight iodine, and Irish hatchery-based longline aquaculture for alginates and extracts.
Lamium
Lamium (dead-nettles) is a genus of annual or perennial herbs in the mint family, Lamiaceae, native to temperate Eurasia, Macaronesia to Ethiopia. About 32 accepted species; nettle-like leaves that do not sting; two-lipped flowers; includes L. album, L. purpureum, L. galeobdolon.
Lamium galeobdolon
Lamium galeobdolon (yellow archangel; syn. Lamiastrum galeobdolon, Galeobdolon luteum) is a stoloniferous perennial mint native to Europe to W. Siberia and Iran, with yellow hooded flowers, used as ground cover; its variegated subspecies argentatum is invasive.
Lamium purpureum
Lamium purpureum, purple or red dead-nettle, is a mint-family winter annual weed native from Macaronesia and Europe to West Siberia, introduced in North America and Japan; square stems, purple-tinged petioled upper leaves, and pinkish-purple flowers distinguish it from henbit.
Landolphia
Landolphia is a genus of about 60 climbing plants in the dogbane family, native to Africa and Madagascar, known for rubber latex and edible fruits.
Lansium
Lansium is a genus of three Meliaceae tree species native to Peninsular Thailand and Malesia; its cultivated species Lansium domesticum (langsat, duku, longkong) is a major Southeast Asian fruit tree, distinct from Clausena lansium (wampee).
Lansium domesticum
Lansium domesticum, langsat or duku (lansones, longkong), a Meliaceae fruit tree native from Peninsular Thailand to Borneo, grown in Southeast Asia for sweet segmented fruit; two varieties, var. pubescens and var. domesticum.
Lantana
Lantana is a genus of flowering shrubs in the verbena family, native to tropical America and Africa and grown worldwide for clusters of small, brightly colored flowers.
Lantana camara
Lantana camara, also known as West Indian lantana, is a flowering shrub native to tropical America and one of the world's most widely distributed invasive weeds.
Lapins cherry
Lapins cherry, a self-fertile sweet cherry cultivar (Van x Stella) bred by Karlis Lapins at Summerland, BC, released 1984; large dark red firm fruit ripening 10-14 days after Bing, crack-resistant but pitting- and heat-susceptible.
Larch
Larch (Larix) is a genus of deciduous coniferous trees of the Northern Hemisphere, unusual for shedding golden needles in autumn, with 10–13 species, durable timber, and major pests including European larch canker and eastern larch beetle.
Larix
Larix (larches) is a genus of deciduous conifers in Pinaceae, the only widespread conifer genus shedding its needles annually. Species include L. decidua, L. gmelinii, L. laricina, and L. lyallii, cold-adapted trees of boreal and treeline habitats.
Larix decidua
Larix decidua, European larch, is a deciduous conifer (Pinaceae) native to the Alps, Sudetes, and Carpathians, widely planted for durable timber, Venice turpentine, and the vigorous hybrid Dunkeld larch.
Larix gmelinii
Larix gmelinii, Dahurian larch (落叶松), a deciduous conifer of Pinaceae native from Siberia to Kamchatka and China; dominates permafrost of northeastern Eurasia, tree line to 70°N, with varieties japonica, olgensis, principis-rupprechtii.
Larix kaempferi
Larix kaempferi (Japanese larch, karamatsu, カラマツ) is a deciduous conifer native to central Honshu, Japan, introduced to the West in 1861 and widely planted for timber; known for canker resistance, hybrid vigor with L. decidua, and Phytophthora ramorum dieback.
Larix laricina
Larix laricina, tamarack or eastern larch (hackmatack), is a deciduous North American conifer of bogs and muskegs from the Atlantic to Alaska, with yellow autumn needles, pulpwood timber, and eastern larch beetle outbreaks in Minnesota.
Larrea
Larrea (creosote bush genus, jarillas) is a genus of five resinous Zygophyllaceae desert shrubs of North and South America, including Larrea tridentata, known for NDGA-rich leaf resin, polyploid races, and traditional medicinal use.
Larrea divaricata
Larrea divaricata (jarilla, jarilla hembra) is a South American Zygophyllaceae shrub of Argentina, Chile, Bolivia, and Peru, used in traditional medicine, containing NDGA, and studied for anti-inflammatory, antimicrobial, and antitumor extract activity.
Larrea tridentata
Larrea tridentata, creosote bush (gobernadora, hediondilla), is the dominant evergreen resinous shrub of the Mojave, Sonoran, and Chihuahuan deserts, with clonal rings up to about 11,700 years old and NDGA-rich leaves used medicinally despite liver toxicity concerns.
Latex
Plant latex: sticky milky emulsion from laticifers in about 10% of flowering plants, a defense against herbivores; source of natural rubber from Hevea brasiliensis.
Lathyrus
Lathyrus (sweet pea, vetchling, grass pea) is a genus of about 160-183 climbing legume species in Fabaceae, tribe Fabeae, centered on the Mediterranean; grass pea L. sativus contains the neurotoxin β-ODAP causing lathyrism.
Lathyrus sativus
Lathyrus sativus, grass pea or chickling pea, a Balkan-domesticated annual legume grown for food and fodder; tolerant of drought and flooding but its neurotoxin beta-ODAP causes lathyrism when eaten as a dietary staple.
Lauraceae
Lauraceae, the laurel family (laurels), is a magnoliid family in Laurales with 45–58 genera and 2,000–3,500 tropical and subtropical woody species, source of cinnamon, camphor, avocado, and aromatic essential oils.
Laurales
Laurales: magnoliid order of flowering plants, sister to Magnoliales, with seven families including Lauraceae (laurel, cinnamon, avocado, camphor), Calycanthaceae, Monimiaceae, Hernandiaceae, and a Cretaceous fossil record.