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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 .
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 ...
Common names include spotted locoweed [3] 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.
Some astragalus species can be toxic, such as those found in the United States containing the neurotoxin swainsonine, which causes "locoweed" poisoning in animals. [11] Some astragalus species may contain high levels of selenium , possibly causing toxicity.
This plant may look like wildflowers, but it can cause painful rash and blistering. A video of an Iowa resident with the rash explains why.
Oxytropis is a genus of plants in the legume family.It includes over 600 species native to subarctic to temperate regions of North America and Eurasia. [1] It is one of three genera of plants known as locoweeds, and are notorious for being toxic to grazing animals.
The Oxytropis lambertii plant is one of the locoweeds most frequently implicated in livestock poisoning. [8] The toxin is called swainsonine.Research suggests that the plant itself may not be toxic, but becomes toxic when inhabited by endophytic fungi of the genus Embellisia, which produce swainsonine.
Children under 6 are more likely to be exposed, but a new study finds that fatal poisonings from laundry detergent pods in a recent three-year period were all in adults.