Herbs perennial, caulescent; caudex superficial or subterranean. Hairs basifixed. Stems several to many. Stipules distinct. Leaves odd-pinnate, usually subsessile to petiolate, rarely sessile; leaflets (3–)9–27(–37). Racemes loosely or densely flowered, flowers usually declined, sometimes ascending. Calyx tubes campanulate. Corollas white, greenish white, ochroleucous, yellowish, or pink-purple, banner recurved through 45–90°, keel apex obtuse to sharply acute. Legumes ultimately deciduous, stipitate or subsessile, usually pendulous, sometimes declined or spreading, straight or incurved, linear, lanceoloid, oblong, or narrowly oblong-ellipsoid, 3-sided, ± bilocular. Seeds (6–)8–30.

Distribution

w United States, Mexico.

Discussion

Species 13 (10 in the flora).

Section Miselli comprises 13 species distributed in the western United States from the Sierra Nevada and Cascade and Coast ranges eastward to the Rocky Mountains, and in Coahuila and the Sierra Madre Occidental, Mexico.

Selected References

None.

Lower Taxa

Astragalus agnicidus, Astragalus arthurii, Astragalus congdonii, Astragalus howellii, Astragalus misellus, Astragalus oniciformis, Astragalus paysonii, Astragalus straturensis, Astragalus toquimanus, Astragalus umbraticus