Herbs perennial, caulescent, slender; caudex subterranean. Hairs basifixed. Stems single or few. Stipules distinct. Leaves odd-pinnate, petiolate to short-petiolate; leaflets 5–21. Racemes loosely flowered, flowers ascending or spreading then declined. Calyx tubes campanulate. Corollas ochroleucous, pale lilac, or whitish-tinged or lilac-veined, banner abruptly recurved through 85–90°, wings somewhat shorter than keel or longer than banner, keel apex obtuse or subacute. Legumes eventually deciduous, stipitate, usually declined or pendulous, sometimes spreading, narrowly oblong, lanceoloid-oblong, or oblong-ellipsoid, strongly laterally flattened, unilocular. Seeds (6–)8–16.

Distribution

w United States.

Discussion

Species 3 (3 in the flora).

Selected References

None.

Lower Taxa

Astragalus alvordensis, Astragalus applegatei, Astragalus solitarius