Stems erect, 4-10 dm, finely appressed- hairy; petioles 1-2.5 cm; stipules lanceolate, 1-2 cm; lfls rhombic elliptic, 4-8 cm; racemes mostly loose, 6-15 cm; bracts lanceolate; cal finely hairy, its lower lobes triangular, acuminate; cor 15 mm; pods 5-7 cm, irregularly spreading, hairy or glabrate. Woods, typically on the piedmont, sometimes in the mts. especially southward; s. Va. to Ga. May
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.