Plant: Biennial, ± glabrous to strigose; stem erect, 0.5-2 m Leaves: odd-1-pinnate; leaflets 3, 1-2.5 cm, elliptic-oblong to obovate, ± toothed INFLORESCENCE: raceme, slender, many-flowered; axis generally 3-8 cm when flowers open Flowers: calyx 2-2.5 mm, lobes ± equal; corolla 4.5-7 mm, yellow; 9 filaments fused, 1 free Fruit: legume, indehiscent, 3-5 mm, ovoid, irregularly cross-ridged; seed 1 Misc: Open, disturbed sites; < 1500 m.; May-Aug