Anderson's Milkvetch

Hamosa andersonii (A. Gray) Rydb. Bull. Torrey Club 54: 16. 1927.
Astragalus Andersonii A. Gray, Proc Am. Acad. 6: 524. 1865. Tragacantha Andersonii Kuntze, Rev. Gen. 943. 1891.
A perennial, with a cespitose woody caudex; stems many, 1-3 dm. high, villous-canescent; leaves ascending, 6-10 cm. long, rather long-petioled; stipules deltoid, 5-8 mm. long, acuminate, villous, the lower connate; leaflets 13-17, obovate, 8-10 mm. long, 4—6 mm. wide, villouscanescent; peduncles 3-5 cm. long; racemes dense at first, in age laxer, 3-5 cm. long; bracts subulate, 4 mm. long; calyx villous-canescent, the tube about 4 mm. long and 3 mm. wide, the teeth subulate, 3 mm. long; corolla white, or tinged with pink, about 1.5 cm. long; banner obovate; wings shorter, the blade obliquely oblanceolate, with a large basal auricle; keelpetals much shorter, the blade broadly lunate, rounded at the apex, with a large auricle; pod oblong-lunate, arcuate, 1.5-2 cm. long, 3-4 mm. wide, and 2 mm. thick, villous-canescent, slightly sulcate on the lower suture, cordate in cross-section.
Type locality: Carson City, Nevada.
Distribution: Western Nevada and eastern California.