Plants annual. Stems prostrate, pale brownish, 40-50 cm, glabrous. Leaves 3.5-12 cm; stipules papery, 1-2 mm; leaflets in 5 or 6 pairs, with hairy petiolules 0.5-1 mm, obovate, 6-3 × 4-7 mm, glabrous or abaxially with scattered hairs, apex rounded to retuse or emarginate. Racemes umbellate to subumbellate; peduncle 8-19 cm, glabrous; bracts very short, hairy. Calyx campanulate, tube ca. 5 × 3 mm. Standard obovate, ca. 11 × 6 mm; wings ca. 10 mm; keel ca. 10 mm. Ovary oblong, glabrous. Legumes ca. 15 × 3 mm, with a beak 9-10 mm, glabrous.