View photos of the poisonous plant Oxytropis lambertii (Purple locoweed).

Oxytropis lambertii is a well-known harbinger of swainsonine, an alkoloid responsible for at least one type of locoism (stock poisonings attributed to various Astragalus and Oxytropis species).

View photos of the poisonous plant Oxytropis sericea (White locoweed).