| Family | FABACEAE |
| Genus species | Astragalus impensus (E.Sheld.) Wooton & Standl. trib. Galegeae |
| Bibliography | Contr. U.S. Natl. Herb. 19: 369 (1915) |
| Native Range | w. & wc. USA |
| Primary Biome | Temperate |
| Habitat | rocky slopes |
| Description | stipules lanceolate, spinose, leaflets 5-7, subulate to linear-lanceolate, 8-15mm, tipped with spine, flowers axillary in clusters of 2-3, calyx campanulate, corolla 4mm |
| Size | 30-40cm |
| Color | yellow |
| Bloom | spring, early summer |
| Ca | |
| Type | perennial |
| Cultivation | sunny rock crevices, protection against winter wet alpine house, poor, drained soil, sun |
| Propagation | scarified seed in spring, germ. 1-3 months, 10-13°C cuttings in late summer |
| Synonyms | Astragalus kentrophyta var. elatus S.Watson Astragalus kentrophyta ssp. elatus (S.Watson) W.A.Weber Astragalus tegetarius var. elatus (S.Watson) Barneby Astragalus viridis var. elatus (S.Watson) Cockerell Astragalus viiridis var. impensus E.held. Kentrophyta impensa (E.Sheld.) Rydb. |
| Territory | 7 Northern America 73 Northwestern U.S.A. (COL Colorado, 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) |