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All articles starting with L

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Lepidium coronopus

Lepidium coronopus (L.) Al-Shehbaz, greater swinecress or swine cress, formerly Coronopus squamatus, is a prostrate annual or biennial mustard native from Macaronesia and Europe to Central Asia, with warty indehiscent fruits, introduced in North America, Australia, and New Zealand.

Lepidium meyenii

Lepidium meyenii (maca) is a Brassicaceae perennial of the high Andes, cultivated at 4,000–4,400 m for its hypocotyl; synonyms include Lepidium peruvianum; studied for sexual function with limited clinical evidence.

Lepidochelys

Lepidochelys (ridley sea turtles) is a genus of two small Cheloniidae species: the Critically Endangered Kemp's ridley (L. kempii) of the Gulf of Mexico and the abundant, globally distributed olive ridley (L. olivacea), the only turtles that nest in synchronized mass arribadas.

Lepidochelys kempii

Lepidochelys kempii, the Kemp's ridley sea turtle, is the world's smallest sea turtle, known for daytime group nesting in Tamaulipas, Mexico, and classified as critically endangered.

Lepidocrocite

Lepidocrocite is an iron oxide hydroxide mineral, FeO(OH), dimorphous with goethite, that forms as a secondary oxidation product in soils, ore deposits, and rust layers on carbon steel.

Lepidodendron

Lepidodendron, commonly called the scale tree, is an extinct genus of tree-sized lycophytes related to club mosses that dominated the Carboniferous coal swamps about 360 to 300 million years ago.

Lepidolite

Lepidolite is a lithium-rich mica mineral, usually pink, red, or purple, that occurs almost exclusively in lithium-enriched granitic pegmatites and serves as a minor ore of lithium.

Lepidoptera

Lepidoptera, the butterflies and moths, is an insect order of over 161,000 described species with scale-covered wings and a coiled proboscis; crown group dates to ~300 Ma, butterflies to ~101 Ma, with major pollinator and conservation roles.

Lepidopteran

Lepidopteran: any insect of the order Lepidoptera (Linnaeus, 1758), the butterflies, moths, and skippers with four scale-covered wings. About 160,000 described species, holometabolous life cycle, largest plant-feeding insect radiation.

Lepidopterology

Lepidopterology is the branch of entomology studying butterflies and moths (Lepidoptera, over 161,000 described species); practitioners are lepidopterists, organized since 1947 in the Lepidopterists' Society, working on taxonomy, COI DNA barcoding, phylogeny, museum collections, and citizen-science monitoring.

Lepidorhombus boscii

Lepidorhombus boscii, the four-spot megrim, is a left-eyed flatfish in the family Scophthalmidae, found in the Eastern North Atlantic and Mediterranean and caught commercially in bottom trawl fisheries.

Lepidorhombus whiffiagonis

Lepidorhombus whiffiagonis (megrim, whiff) is a bathydemersal flatfish of the Scophthalmidae from Iceland to Cape Bojador and the western Mediterranean, 60 cm maximum, caught mainly as bycatch in trawl fisheries.

Lepidotes

Lepidotes (†Lepidotes Agassiz, 1832) is an extinct Early Jurassic ganoid ray-finned fish genus with crushing teeth and thick enameled scales; once a huge wastebasket genus, now restricted to Early Jurassic species.

Lepidotonpolis

Lepidotonpolis was an ancient town in Upper Egypt, identified with Nag' el-Mashayikh on the eastern Nile bank, best known for two decorated Ramesside cliff tombs.

Lepidozamia

Lepidozamia, also called scaly zamia or pineapple cycad, is an Australian cycad genus of two species, L. hopei and L. peroffskyana, in Zamiaceae; sister to African Encephalartos, with large cones, toxic red seeds, and Eocene fossils at Anglesea, Victoria.

Lepilemur

Lepilemur, the sportive lemurs, is the only extant genus of Lepilemuridae, nocturnal folivorous lemurs endemic to Madagascar, with 26 cryptic species, the most of any lemur genus.

Lepimectin

Lepimectin (Aniki, レピメクチン), CAS 863549-51-3, a semisynthetic milbemycin insecticide derived from milbemectin with a 13-position ester; IRAC Group 6 GluCl modulator; registered in Japan 2010 by Mitsui Chemicals Agro, not EU-approved.

Lepiota

Lepiota is a genus of about 400 small, scaly-capped gilled mushrooms known as dapperlings, in the family Agaricaceae, distributed worldwide, with some species deadly poisonous.

Lepiota brunneoincarnata

Lepiota brunneoincarnata, the deadly dapperling, is a small Agaricaceae mushroom containing amatoxins like the deathcap; it causes fatal liver failure, fruits in grassy European and Asian habitats, and is often mistaken for edible lookalikes.

Lepiota cristata

Lepiota cristata, the stinking dapperling, is a small toxic Agaricaceae mushroom with a scaly pale cap, foul odor, and white print of wedge-shaped dextrinoid spores; basionym Agaricus cristatus Bolton 1788.

Lepiotoid Agaricaceae

Lepiotoid Agaricaceae are the mushroom lineages of the family Agaricaceae with white spore prints, free gills, and a stem ring, covering genera historically placed in Lepiota, such as Leucoagaricus, Leucocoprinus, Macrolepiota, and Chlorophyllum.

Lepirudin

Lepirudin (Refludan, Refluden) is a yeast-derived recombinant hirudin, a direct thrombin inhibitor for heparin-induced thrombocytopenia type II; approved 1997-1998, withdrawn in the EU in 2012 and the US in 2016.

Lepisosteus oculatus

Lepisosteus oculatus, the spotted gar, is a North American freshwater gar of Lepisosteidae with spotted ganoid armor, an ambush predator of shallow vegetated waters, Threatened in Canada, and a key pre-duplication genome for vertebrate research.

Lepista

Lepista (blewits), genus of gilled mushrooms in Clitocybaceae with about 50 species, rough spores and pale-pink spore print; includes edible L. nuda, L. sordida; recently reclassified among Clitocybe and Collybia.

Lepista personata

Lepista personata, the field blewit (also Lepista saeva, now Collybia personata), is an edible saprotrophic mushroom of European and North American calcareous grassland, with a pale buff cap, violet-flushed stem, and pinkish-buff spore print.

Leporidae

Leporidae, the rabbit and hare family of order Lagomorpha, has 11 genera and about 54 species, from 300 g pygmy rabbits to 5 kg arctic hares, with precocial hares and altricial rabbits.

LEPR

LEPR (leptin receptor, OBR, CD295) is a human gene on chromosome 1p31.3 encoding the gp130-family receptor for leptin; six splice isoforms exist, LepRb signals via JAK2/STAT3, and biallelic mutations cause early-onset obesity.

Lepra (lichen genus)

Lepra is a genus of warty crustose lichens, mostly growing on tree bark, named by Scopoli in 1777 and revived in 2016–2017 for species formerly classified in Pertusaria.

Leprechaun

Leprechaun (leipreachán), the solitary fairy shoemaker of Irish folklore, first attested in the eighth-century tale Echtra Fergusa maic Léti; small, red-coated guardian of a buried crock of gold, later reshaped into the green commercial symbol of St. Patrick's Day.

Leprechaun (film series)

Leprechaun film series: American horror-comedy franchise begun with Leprechaun (1993), starring Warwick Davis as Lubdan the gold-obsessed killer leprechaun; eight films by 2018, including Origins (2014) and Returns (2018).