Plant: Annual, glabrous or hairy; stem generally sprawling or climbing, ridged or angled Leaves: even-1-pinnate; stipules often toothed; leaflets 8-14, 1.5-3.5 cm, linear to wedge-shaped, tip acute, truncate, or notched, often with 1 slender tooth INFLORESCENCE: << subtending leaf; flowers in sessile or barely peduncled clusters of 1-3, pedicels short Flowers: calyx 7-15 mm; corolla 1-3 cm, pink-purple to whitish; 9 filaments fused, 1 free; style generally round in X -section, hairs tufted at tip Fruit: legume, dehiscent, generally ± oblong, generally flat, 2.5-6 cm, 2.5-8 mm wide, initially hairy, quickly glabrous; Seeds 2 or more Misc: Disturbed areas, fields; < 1500 m.