Herbs perennial, caulescent; caudex superficial or slightly subterranean. Hairs basifixed. Stems few to many. Stipules distinct. Leaves odd-pinnate, short-petiolate or subsessile; leaflets (9–)13–25(or 27). Racemes densely becoming loosely flowered, flowers deflexed. Calyx tubes cam­panulate. Corollas whitish or yellow to green, suffused pale lavender, banner recurved through 45–90°, keel apex round or sharply or bluntly deltate, sometimes slightly beaklike. Legumes deciduous, at least eventually, sessile, reflexed, linear to narrowly lanceoloid or obliquely ovoid, 3-sided compressed, incurved, bilocular or sub-bilocular. Seeds (2–)4–10.

Distribution

sw United States, n Mexico.

Discussion

Species ca. 6 (2 in the flora).

In the flora area, Astragalus clevelandii and A. vaccarum occur in Arizona (only historically), New Mexico, and the Inner Coast Ranges of California.

Selected References

None.

Lower Taxa

Astragalus clevelandii, Astragalus vaccarum