Astragalus breweri A. Gray

Astragalus breweri A. Gray, Proc. Am. Acad. 6: 207. 1864; Proc. Calif. Acad. 3: 103. 1864.
Tragacanlha Breweri Kuntze, Rev. Gen. 943. 1891.
An annual; stem erect, branched, 1-2 dm. high, sparingly hispid-pubescent; leaves ascending or spreading, 3-5 cm. long; stipules deltoid, 2-3 mm. long; leaflets 9-11, cuneate-obovate or cuneate-oblong, sparingly strigose beneath, glabrous above, 4-10 mm. long, truncate or retuse at the apex; peduncles 4-6 cm. long, sparingly black-hispidulous; racemes dense, headlike; bracts ovate, 1 mm. long; calyx black -hairy, the tube campanulate, 3 mm. long, the teeth subulate, 2 mm. long; corolla purplish, or white, about 1 cm. long; banner obovate, deeply retuse, strongly arched at the middle; wings much shorter, the blade oblong, Talcate, longer than the claw, with a large reflexed auricle; keel-petals about half as long as the banner, the blade broadly lunate, more strongly arched towards the rounded apex, tipped with darkpurple; pod erect, densely silky, sessile, coriaceous, the body lance-ovoid in outline, 10-12 mm. long, 3-4 mm. wide and thick, tapering into a straight beak, as long as the body, the upper suture acute, the lower deeply sulcate, the cross-section cordate; seeds few.
Type locality: Sonoma Valley, California.
Distribution: Central California.