Astragalus anisus M. E. Jones

Astragalus anisus M. E. Jones, Zoe 4: 34. 1893
A perennial, with a taproot and cespitose caudex; stems decumbent, less than 1 dm. high; leaves crowded, 3-7 cm. long; stipules deltoid, strigose, about 5 mm. long; leaflets 1 1-15, obovate or oval, 4-7 mm. long, appressed-silky-canescent; peduncles 2-3 cm. long; bracts lanceolate or lance-linear, 4—6 mm. long; calyx silky-canescent, the tube cylindric, 6-7 mm. long, 3 mm. broad, the teeth subulate, 2 mm. long; corolla apparently white, 15 mm. long; banner obovate, only slightly arched; wings nearly as long, the blade oblong, slightly falcate, with a large basal auricle; keelpetals shorter, the blade broadly lunate, with a large basal auricle, shorter than the claw; pod strigose, rounded-ellipsoid, 15-18 mm. long, nearly 1 cm. wide and 12-15 mm. thick, leathery, slightly sulcate on both sutures.
Type locality: Pueblo, Colorado.
Distribution: Known only from the type locality.