| Family | FABACEAE |
| Genus species | Astragalus vespertinus E.Sheld. trib. Galegeae |
| Bibliography | Minnesota Bot. Stud. 1: 150 (1894) |
| Native Range | e. Nevada to nw. New Mexico |
| Primary Biome | Temperate |
| Habitat | sandy grassland |
| Description | silvery shortly hirsute, leaves 5-12cm, 8-15-jugate, leaflets oblong or elliptic, flowers 5-10 in lax raceme, pod falcate carnose |
| Size | 5-15cm |
| Color | purple |
| Bloom | late spring |
| Ca | |
| Type | perennial |
| Cultivation | sunny site with a poor, sandy soil alpine house, sandy soil, sun |
| Propagation | scarified seed in spring, germ. 1-3 months, 10-13°C cuttings in late summer |
| Synonyms | Astragalus amphioxys var. vespertinus (E.Sheld.) M.E.Jones Xylophacos vespertinus (E.Sheld.) Rydb. |
| Territory | 7 Northern America 73 Northwestern U.S.A. (COL Colorado) 76 Southwestern U.S.A. (ARI Arizona, NEV Nevada, UTA Utah) 77 South-Central U.S.A. (NWM New Mexico) |