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Locoweed (also crazyweed and loco) is a common name in North America for any plant that produces swainsonine, an alkaloid harmful to livestock. Worldwide, swainsonine is produced by a small number of species , most of them in three genera of the flowering plant family Fabaceae : Oxytropis and Astragalus in North America , [ 1 ] and Swainsona in ...
Oxytropis sericea is a species of flowering plant in the legume family known by the common names white locoweed, white point-vetch, whitepoint crazyweed, and silky crazyweed. It is native to western North America from Yukon and British Columbia south through the Pacific Northwest , the Rocky Mountains , and the Great Plains .
Oxytropis campestris, the field locoweed, [3] is a plant native to Northern Europe, the mountains of Central & Southern Europe, the Northwestern United States and all of Canada, sometimes grown as an ornamental plant. It is found in prairies, woods, and meadows, and prefers gravelly and rocky slopes, where it grows most abundantly.
The other locoweed genus is the closely related Astragalus. Most oxtropis species are native to Eurasia and North America, but several species are native to the Arctic . These are hairy perennial plants which produce raceme inflorescences of pink, purple, white, or yellow flowers which are generally pea-like but have distinctive sharply beaked ...
Locoweed (also loco-weed, loco weed, and capitalizations and plurals thereof) may refer to: . Plants. Species in the genera Astragalus and Oxytropis, collectively; Species in the genera Astragalus and Oxytropis, that cause locoism (locoweed disease) in livestock
Oxytropis splendens, commonly known as showy locoweed, is a flowering perennial in the legume family endemic to the east slope of the Rocky Mountains. [3] Growing in Canada, Alaska, several Great Plains states, and parts of the Mountain West, O. splendens grows well in harsh alpine ecosystems, allowing it to quickly colonize gravel and coal spoils.
Oxytropis lambertii commonly known as purple locoweed, [3] Colorado locoweed, [4] Lambert's crazy weed, [5] or Lambert’s Locoweed [6] is a species of flowering plant in the legume family. Distribution
The biosynthesis of swainsonine has been investigated in the fungus Rhizoctonia leguminicola, and it initially involves the conversion of lysine into pipecolic acid.The pyrrolidine ring is then formed via retention of the carbon atom of the pipecolate's carboxyl group, as well as the coupling of two more carbon atoms from either acetate or malonate to form a pipecolylacetate.