| Family | FABACEAE |
| Genus species | Astragalus nigrocalyx Slobodov ex Grig. sect. Aegacantha |
| Bibliography | Fl. Tadzhiksk. S.S.R. 5: 674 (1937) |
| Native Range | Central Asia |
| Primary Biome | Temperate |
| Habitat | stony grassland |
| Altitude | 2700-3500m |
| Description | subpulvinate, leaves 3-5cm, leaflets 5-8 pairs, obovate, 4-10mm, sparsely hirsute, flowers axillary, pedicellate, calyx densely hirsute, corolla 14-17mm, pod white hirsute |
| Size | 8-15cm |
| Color | yellow |
| Bloom | summer |
| Ca | |
| Type | subshrub |
| Cultivation | sunny site with a deep, drained soil alpine house, rich, drained soil, sun |
| Propagation | scarified seed in spring, germ. 1-3 months, 10-13°C cuttings in late summer |
| Territory | 3 Asia-Temperate 32 Middle Asia (TZK Tadzhikistan, UZB Uzbekistan) |