| Family | FABACEAE |
| Genus species | Astragalus calycosus Torr. ex S.Watson |
| Bibliography | Botany [Fortieth Parallel]: 66 (1871) |
| Native Range | Wyoming to e. California and New Mexico |
| Primary Biome | Temperate |
| Habitat | sandy grassland |
| Altitude | 900-3000m |
| Description | silvery setose, leaves crowded, 3-6cm, leaflets 3-7 pairs, oblanceolate, 5-15mm, raceme 2-5-flowered, bracteate, corolla 10-16mm, apically purple, pod sessile, 12-16mm |
| Size | 5-10cm |
| Color | white |
| Bloom | late 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 brevicaulis A.Nelson Astragalus calycosus var. mancus (Rydb.) Barneby Astragalus mancus (Rydb.) L.C.Wheeler Hamosa calycosa (Torr. ex S.Watson) Rydb. Hamosa manca Rydb. Tragacantha calycosa (Torr. ex S.Watson) Kuntze |
| Territory | 7 Northern America 73 Northwestern U.S.A. (COL Colorado, IDA Idaho, ORE Oregon, WYO Wyoming) 76 Southwestern U.S.A. (ARI Arizona, CAL California, NEV Nevada, UTA Utah) 77 South-Central U.S.A. (NWM New Mexico) |