Phaca quinquiflora

Phaca quinquiflora (S. Wats.) Rydberg
Astragalus quinqueflorus S. Wats. Proc. Am. Acad. 21: 450. 1886.
Apparently annual; stems several, 1.5 dm. long or less, slender, prostrate or ascending; strigose; leaves 3—8 cm. long; stipules deltoid or lance-deltoid, 2 mm. long; leaflets 7-11, linear or linear-oblong, obtuse, 4-12 mm. long, strigose on both sides; peduncles 3-8 cm. long; racemes 2-5-flowered; calyx strigose, the tube 1.5 mm. long, the lobes subulate, 1 mm. long; corolla white or purplish, 5 mm. long; pod ellipsoid, sessile, strigose, about 8 mm. long and 4 mm. wide; seed nearly black, obliquely round-reniform, 1 mm. long.
Type locality: Hills and Plains near city of Chihuahua. Distribution : Chihuahua and Durango.