Indigofera salmoniflora Rose

Indigofera salmoniflora Rose, Contr. U. S. Nat Herb. 5: 140. 1897.
A shrub, about 1 m. high; stem somewhat angled, strigose; stipules setaceous, 5 mm. long; leaves spreading, 7-15 cm. long; rachis and petiole strigose, grooved above; leaflets 7-9, elliptic or oval, 2-5 cm. long, mucronate, glabrous above, grayish-strigose beneath; racemes many-flowered, about equaling the leaves; calyx 2 mm. long; corolla 6 mm. long, salmon-pink; wings almost linear, with a rather large broadly deltoid basal auricle; pod spreading, 3.5-4 cm. long, 2 mm. wide, nearly straight, strigose, 10-12-seeded; seeds 2 mm. long.
Type locality ; Ymala, Sinoloa.
Distribution: Sinaloa.