Prostrate, villous herb; stems to 100 cm long. Leaves in unequal pairs, with 4–7 pairs of leaflets; leaflets narrowly elliptic, 4–12 mm long, 1.5–4.5 mm wide, oblique at base, rounded or acute, pubescent adaxially, densely villous abaxially, ±concolorous. Flowering pedicel 13–25 mm long, upright. Sepals 3–6.5 mm long, glabrous adaxially, villous abaxially except for glabrous hyaline margin. Petals obovate, 5–15 mm long. Intrastaminal glands distinct. Stamens 10; filaments 2–3.5 mm long. Ovary densely white-pubescent; style 0.7–1.4 mm long; stigma 0.3–0.8 mm long. Fruit 4–5 mm high, 5–8 mm wide, dissociating into 5, rarely fewer, cocci; fruiting pedicel 11–28 mm long. Cocci woody, rounded, subglabrous or moderately pubescent with short tubercles all over dorsally, sometimes with a pair of medial spines to 2.5 mm long.