Astragalus lemmoni

Astragalus lemmoni A. Gray, Proc. Am. Acad. 8: 626. 1873
Tragacantha Lemmoni Kuntze, Rev. Gen. 946. 1891.
A perennial, with a woody root and a cespitose caudex; stems slender, prostrate, 2-5 dm. long, glabrous or sparingly strigose; leaves 2-4 cm. long, spreading; stipules deltoid or lanceolate, green, 4 mm. long, distinct; leaflets 9-13, lanceolate to obovate, strigose beneath; peduncles 1-3 cm. long, slender; racemes short, few-flowered; bracts lanceolate, 2 mm. long; pedicels less than 1 mm. long; calyx strigose, the tube 1.5 mm. long, the teeth subulate, scarcely 1 mm. long; corolla white, 4-5 mm. long; banner oval-obovate, abruptly arched; wings shortei, oblong, falcate; keel-petals shorter, the blade broadly lunate, semiorbicular; pod obliquely lance-oblong, 5-7 mm. long, 1.5 mm. wide and 2 mm. thick, sulcate on the lower suture, cordate in cross-section, 3-4-seeded; seeds obliquely reniform.
Type locality: Sierra Valley, Sierra County, California.
Distribution: California and Oregon.