Shrub to 1.2 m high, with lignotuber. Branchlets ridged with prominent decurrent leaf bases, not glandular-verrucose, glabrous. Leaves trifoliolate; petiole 4–11 mm long, angular; central leaflet linear, 10–36 mm long, 0.8–5 mm wide, entire, revolute at margins, acute to acuminate; both surfaces not glandular-verrucose; adaxial surface glabrous; abaxial surface stellate-velvety, glabrous, secondary venation obscure. Inflorescences as long as or exceeding leaves, 9 (–50)-flowered. Sepals 1.2–1.7 mm long, glabrous. Petals imbricate, 3–4.5 mm long, creamy white or pale pink, pubescent adaxially. Filaments glabrous, rarely with few hairs, prominently dilated basally. Cocci not apiculate, slightly glandular-verrucose, glabrous.