Prostrate, villous herb; stems to 100 cm long. Leaves in unequal pairs, more rarely alternate, with 6–10 pairs of leaflets; petiole 6–10 mm long; leaflets narrowly elliptic, 7–15 mm long, 3–6 mm wide, oblique at base, acute, villous adaxially, more densely villous abaxially, discolorous. Flowering pedicel 7–25 mm long, upright. Sepals 4–7 mm long, glabrous adaxially except for apical pubescence, densely villous abaxially except on hyaline margin. Petals obovate, 5–11 mm long. Intrastaminal glands connate into sinuate ring. Stamens 10; filaments 3–4 mm long. Ovary densely white-pubescent; ovules 3–5 per cell; style 0.5–1 mm long in flower; stigma 1.3–2.5 mm long. Fruit 7–13 mm high, 10–20 mm wide, dissociating into 3–5 cocci; fruiting pedicel 11–43 mm long. Cocci woody, densely pubescent dorsally and with very short spines or tubercles mixed with 0–3 pairs of longer spines to 6 mm long.
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