Locoweed (disambiguation)

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Locoweed (also loco-weed, loco weed, and capitalizations and plurals thereof) may refer to:

Plants
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Locoweed is a common name in North America for any plant that produces swainsonine, a phytotoxin 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, and Swainsona in Australia. The term locoweed usually refers only to the North American species of Oxytropis and Astragalus, but this article includes the other species as well. Some references may list Datura stramonium as locoweed.

<i>Astragalus</i> (plant) Genus of legumes

Astragalus is a large genus of over 3,000 species of herbs and small shrubs, belonging to the legume family Fabaceae and the subfamily Faboideae. It is the largest genus of plants in terms of described species. The genus is native to temperate regions of the Northern Hemisphere. Common names include milkvetch, locoweed and goat's-thorn. Some pale-flowered vetches are similar in appearance, but they are more vine-like than Astragalus.

<i>Oxytropis campestris</i> Species of plant

Oxytropis campestris, the field locoweed, 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.

<span class="mw-page-title-main">Swainsonine</span> Chemical compound

Swainsonine is an indolizidine alkaloid. It is a potent inhibitor of Golgi alpha-mannosidase II, an immunomodulator, and a potential chemotherapy drug. As a toxin in locoweed it also is a significant cause of economic losses in livestock industries, particularly in North America. It was first isolated from Swainsona canescens.

<i>Oxytropis</i> Genus of flowering plants in the pea and bean family Fabaceae

Oxytropis is a genus of plants in the legume family. It is one of three genera of plants known as locoweeds, and are notorious for being toxic to grazing animals. The other locoweed genus is the closely related Astragalus. There are about 600 species, native to Eurasia and North America. 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 keels. The stems are leafless, the leaves being all basal. The plant produces legume pods containing the seeds.

<i>Astragalus lentiginosus</i> Species of plant

Astragalus lentiginosus is a species of legume native to western North America where it grows in a range of habitats. Common names include spotted locoweed and freckled milkvetch. There are a great number of wild varieties. The flower and the fruit of an individual plant are generally needed to identify the specific variety.

Astragalus austiniae is a species of milkvetch known by the common name Austin's milkvetch. It is native to the Sierra Nevada of California and Nevada in the vicinity of Lake Tahoe. It is a plant of the alpine climate of the high mountains, where it tolerates exposed areas.

Astragalus leucolobus is a species of milkvetch known by the common names Bear Valley milkvetch and Bear Valley woollypod.

<i>Astragalus pycnostachyus</i> Species of aquatic plant

Astragalus pycnostachyus is a species of milkvetch known by the common name marsh milkvetch. It is endemic to the coastline of California, where it grows in wet saline habitat such as marshes.

<i>Oxytropis lambertii</i> Species of plant

Oxytropis lambertii commonly known as purple locoweed, Colorado locoweed, Lambert's crazy weed, or Lambert’s Locoweed is a species of flowering plant in the legume family.

<i>Oxytropis podocarpa</i> Species of flowering plant

Oxytropis podocarpa is a species of flowering plant in the legume family known by the common names stalkpod locoweed, stalked-pod crazyweed, and Gray's point-vetch. It is native to North America, where it occurs in the northern latitudes, from Yukon and British Columbia across the low arctic to northern Quebec and Labrador. In the Rocky Mountains it occurs at the higher elevations as far south as Colorado.

<i>Oxytropis sericea</i> Species of flowering plant

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.

Woolly locoweed is a common name for several plants and may refer to:

Physaria fremontii is a species of flowering plant in the family Brassicaceae known by the common name Fremont's bladderpod. It is endemic to Wyoming in the United States, where it occurs only in and around the Wind River Range in Fremont County.

<i>Astragalus drummondii</i> Species of legume

Astragalus drummondii is a species of flowering plant in the legume family known by the common name Drummond's milkvetch. The botanist Thomas Drummond first identified the plant during his travels in North America from 1825 to 1835, the year of his death. Astragalus drummondii is one of many plants named after him. Upon the return of samples collected by Drummond to England, his findings were published in Sir William Hooker’s Flora Boreali-Americana in 1840.

<i>Astragalus mollissimus</i> Species of legume

Astragalus mollissimus is a perennial plant in the legume family (Fabaceae) found in the Colorado Plateau and Canyonlands region of the southwestern United States.

<i>Oxytropis prenja</i> Species of flowering plant

Oxytropis prenja G. Beck in Reichenb. & Reichenb. Fil. is a species of flowering plant in the legume family, Fabaceae.

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