| Family | FABACEAE |
| Genus species | Astragalus thompsoniae S.Watson trib. Galegeae |
| Bibliography | Proc. Amer. Acad. Arts 10: 345 (1875) |
| Native Range | Nevada to New Mexico |
| Primary Biome | Temperate |
| Habitat | grassland and rocks |
| Description | subacaulescent, leaves 5-15cm, stipules deltate, leaflets 25-35, broadly ovate, 5-10mm, truncate, densely white lanate, raceme capitate, pod densely sericeous, ca. 2cm |
| Size | 5-15cm |
| Color | pale purple |
| Bloom | spring, early summer |
| Ca | |
| Type | perennial |
| Cultivation | mesic, slightly humous, sunny site alpine house, moist, rich, drained soil, sun |
| Propagation | scarified seed in spring, germ. 1-3 months, 10-13°C cuttings in late summer |
| Synonyms | Astragalus bigelovii var. thompsoniae (S.Watson) M.E.Jones Astragalus mollissimus var. thompsoniae (S.Watson) Barneby Astragalus syrticola E.Sheld. Tragacantha thompsoniae (S.Watson) Kuntze |
| 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) |