Astragalus casei is a wiry, branching perennial herb forming an open clump of jagged stems up to long. Leaves are up to long and made up of thin, narrow, lance-shaped leaflets. The plant bears an
inflorescence of up to 25 pink, lilac, or white flowers. Each flower is between long. The flowers bloom in the months of April, May and June. The fruit is a hanging
legume pod long. It is narrow, slightly hairy, and tipped with a sharp beak. It is pulpy when new and it dries to a tough texture. ==References==