| Family | FABACEAE |
| Genus species | Astragalus argophyllus Nutt. |
| Bibliography | Fl. N. Amer. (JTorrey & A.Gray) 1: 331 (1838) |
| Native Range | w. USA |
| Primary Biome | Temperate |
| Habitat | sandy grassland |
| Altitude | 1100-1400m |
| Description | silvery sericeous, leaves 3-15cm long, leaflets 13-19 pairs, elliptic, acute, 5-15mm, raceme short, lax, 2-8-flowered, flowers 20-25mm long, pod setose, 15-25mm, long, unilocular |
| Size | 5-10cm |
| Color | purple |
| Bloom | spring, summer |
| Ca | |
| Type | subshrub |
| 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 argophyllus var. castaneiformis M.E.Jones Astragalus argophyllus var. cnicensis M.E.Jones Astragalus argophyllus var. typicus Barneby Astragalus uintensis M.E.Jones Xylophacos argophyllus (Nutt.) Rydb. Xylophacos uintensis (M.E.Jones) Rydb. |
| Territory | 7 Northern America 73 Northwestern U.S.A. (IDA Idaho, MNT Montana, WYO Wyoming) 76 Southwestern U.S.A. (CAL California, NEV Nevada, UTA Utah) |