Astragalus Overview

Astragalus is a large genus of about 2,000 species of herbs and small shrubs, belonging to the legume family Fabaceae, subfamily Faboideae. The genus is native to temperate regions of the Northern Hemisphere. Common names include milk-vetch and goat's-thorn . Some pale-flowered vetches are similar in appearance, but vetches are more vine-like. Astragalus species are used as food plants by the larvae of some Lepidoptera species including the following case-bearers...