Astragalus is a large genus of about 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 (most species), locoweed (in North America, some species) and goat's-thorn (A. gummifer, A.
astragalus n. The ankle bone, or hock bone; the bone of the tarsus which articulates with the tibia at the ankle.
astragalus n. A genus of papilionaceous plants, of the tribe Galegeae, containing numerous species, two of which are called, in English, milk vetch and licorice vetch. Gum tragacanth is obtained from different oriental species, particularly the A. gummifer and A. verus.
astragalus n. See Astragal, 1.
astragalus n. ankle bone (of vertebrates)