Trailing or climbing annual herb, stem pubescent to glabrescent. Leaf paripinnately compound, leaflets 6-20, 4-15 mm long, 1.5-3 mm broad, linear, obtuse, truncate or marginate, mucronate, sparsely pubescent when young; stipules semisagittate to lanceolate, the lower toothed or laciniate, tendril mostly branched. Inflorescence a 2-7-flowered, axillary, peduncled raceme, peduncle up to 4 cm long. Calyx 1.5-3.0 mm long, pubescent, teeth equal to or longer than the tube. Corolla rose or pale-blue. Vexillum 3-5 mm long. Fruit 6-11 mm long, 2.5-4 mm broad, pubescent to subglabrous, 1-2-seeded.