Locoweed (also crazyweed and loco) is a common name in North America for any plant that produces swainsonine, an alkaloid harmful to livestock.

Locoweed gets its name from the Spanish word loco (crazy) which is how the abnormal behavior of poisoned animals has been described. This "locoed" behavior results from locoweed-induced neurologic damage. Most of the time, animals become depressed and lethargic.

Locoweed, any of several species of poisonous plants of the genera Astragalus and Oxytropis, in the pea family (Fabaceae). Locoweeds are native to the prairies of north central and western North America and can pose a danger to livestock, horses, and other grazing animals.

Locoweed (also crazyweed or loco) are common North American plants that produce phytotoxins, nitro toxins, and selenium accumulation that are harmful to livestock. Typical symptoms of locoism occur from poisoning by the alkaloid, swainsonine.

Oct 24, 2022 · Locoweeds are the number one cause of livestock losses from poisonous plants in the western United States. Some species of livestock will crave and become addicted to loco or crazyweeds after getting a taste of the plant.

Locoweed is the most widespread poisonous plant problem in the Western United States. Some species of Astragalus and Oxytropis contain the indolizidine alkaloid swainsonine that causes the poisoning syndrome known as locoism.

Jul 26, 2021 · What is locoweed? The pest plant is a native weed found across the southwestern U.S. It is important to know how to identify and control locoweed in ranching areas. Read this article for more info.

May 1, 2019 · No, locoweed isn’t cannabis. It’s any number of plants found throughout the West, especially the genera Astragalus and Oxytropis. They are commonly found...

Locoweed ©Intermountain Herbarium Common Name(s): Locoweed Milkvetch Poisonvetch Astragalus. Scientific Name: Astragalus L. Scientific Name Synonyms: ASTRA. Symbol: symbol goes here. Description: Life Span: Annual or Perennial. Origin: Native. Season: Cool. Growth Characteristics: An erect to prostrate forb, with stems that are mostly hairy ...

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.