About Astragalus distortus Torr. & A.Gray
Astragalus distortus Torr. & A.Gray, commonly known as Ozark milkvetch, is a species of flowering plant in the legume family. This species is a perennial herb that grows in prairies and savannas. It is native to the central United States. In Missouri, where it is widely distributed across most of the state, it is uncommon or absent in the state's northwestern and southeastern sections. In Missouri, plants of this species do not grow as vines. This species has two subdivided varieties, and neither variety is particularly common. Key identifying characteristics of this species are its small size, non-vining growth habit, and its inflorescences. Its inflorescences are small and most often purple, though they may sometimes be white.