Astragalus malacus A. Gray

Hamosa malaca (A. Gray) Rydb. Fl. Rocky Mts. 496, 1063. 1917.
Astragalus malacus A. Gray, Proc. Am. Acad. 7: 336. 1868. Tragacanlha malaca Kuntze, Rev. Gen. 946. 1891. Astragalus obfalcatus A. Nelson, Bot. Gaz. 54: 411. 1912. Astragalus malacus obfalcatus M. E. Jones, Rev. Astrag. 227. 1923.
A cespitose perennial; stems stout, decumbent at the base, 1-3 dm. high, hirsute; leaves 5-20 cm. long, ascending or spreading; stipules thin, deltoid, acuminate, 1-1.5 mm. long, partly adnate to the petiole; leaflets 15-21, elliptic to obovate, 1-2 cm. long, 5-10 mm. wide, hirsute on both sides, rounded at the apex; peduncles stout, 5-10 cm. long; racemes manyflowered, 5"-7 cm. long; bracts subulate, 5-8 mm. long; pedicels short; calyx hirsute-pilose, purple-tinged, the tube 7 mm. long, 2.5 mm. broad, the teeth subulate, 2-4 mm. long; corolla rose-purple, sometimes darkly so, about 2 cm. long; banner narrowly obovate, abruptly arched; wings shorter, the blade obliquely oblong, with a large basal auricle; keel-petals still shorter, the blade broadly lunate; pod 2.5-3.5 cm. long, 5-7 mm. wide and 3 mm. thick, sulcate on the ventral suture, densely long-pilose, narrowly cordate in cross-section.
Type locality: Near Carson City. Nevada.
Distribution: Oregon, western Idaho. Nevada, and California.