Tephrosia diversifolia (Rose) J. F. Macbr.

Cracca diversifolia Rose, Contr U. S. Nat. Herb 12:270 1909.
? Balboa diversifolia Liebm. Vidensk. Meddel. 1853: 107. 1854.
A suffnitescent perennial, cespitose; stems less than 1 m, high, finely tomentose; leaves 1-5-foliolate; stipules lance-subulate, 8-10 mm. long; petiole 0.5 cm. long or less; leaflets oblong or oblanceolate, obtuse or rounded at the apex, obtuse or acutish at the base, coriaceous, glabrate and green above, whiteor gray-tomentose and strongly veined beneath, the terminal one 6-10 cm. long, 2.5-5 cm. wide, the lateral ones 3-5 cm. long; inflorescence, a dense terminal raceme, 1-2 dm. long, often with a few short branches below; flowers usually several at each node; bracts ovate; calyx densely short-villous, subvelutinous, the tube about 5 mm. long, the lobes ovate or broadly lanceolate, acuminate, 7 mm. long ; corolla violet, 18-20 mm. long; banner orbicular, silky-villous on the back; wings obliquely oblanceolate; pod velutinous, 4-5 cm. long, 7 mm. broad, 5-6-seeded; seeds orbicular, with a short funicle.
Type locality: Near Uruapan, Michoacan.
Distribution : Michoacan.