Astragalus tetrapterus

Astragalus tetrapterus A. Gray  

Family: Fabaceae

Four-Wing Milk-Vetch, more...fourwing milkvetch, four-wing milkvetch

[Astragalus cinerascens (Rydb.) Tidestrom, moreAstragalus tetrapterus var. capricornus M.E. Jones, Astragalus tetrapterus var. cinerascens (Rydb.) Barneby]