| Family | FABACEAE |
| Genus species | Astragalus siskiyouensis (Rydb.) J.W.Thomps. trib. Galegeae |
| Bibliography | Leafl. W. Bot. 1: 212 (1936) |
| Native Range | s. Oregon to n. California |
| Primary Biome | Temperate |
| Habitat | rocky slopes |
| Altitude | 750-2750m |
| Description | grey-green, appresed hirsute, leaves 3-9cm, leaflets remote, 5-10 pairs, oblong or obovate, flowers patent in raceme, pod glabrous, 2-6cm, papery |
| Size | 5-15cm |
| Color | whitish |
| Bloom | 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 hookerianus var. siskiyouensis (Rydb.) M.Peck Astragalus whitneyi var. siskiyouensis (Rydb.) Barneby Astragalus whitneyi ssp. siskiyouensis (Rydb.) Abrams Phaca siskiyouensis Rydb. |
| Territory | 7 Northern America 73 Northwestern U.S.A. (ORE Oregon) 76 Southwestern U.S.A. (CAL California) |