Plants annual herbs; stems many,5-15 cm long, slender, ascending or prostrate, sparsely pubescent. Leaves petiolate; petioles 3-9 mm long; stipules 2-4 mm long; leaflets 3, linear-lanceolate to oblanceolate, 9-30 mm long, 3.5-5 mm wide, lower surfaces subglabrous to sparsely spuberulent, hairs subappressed. Racemes pedunculate, up to 5 cm long, flowers 4-12, not crowded. Calyces 3.5-5 mm long, subglabrous; standards whitish or dull yellw, with crimson veins, glabrous or puberulos over the midvein on the outside; keels bent at right angles on the lower portions, 6-8 mm long; beaks straight, not twisted. Pods about 9 mm long and 7 mm wide, subglabrous; seeds 22-24.