Shrub to at least 1 m high. Branchlets ridged or angular with decurrent leaf bases, sometimes faint, weakly glandular-verrucose with occasional prominent glands, glabrous. Leaves trifoliolate; petiole 5–11 mm long, slightly glandular-verrucose, glabrous or with few hairs; central leaflet elliptic to ±ovate, 11–23 mm long, 3–9 mm wide, crenulate, especially in distal half, flat to slightly recurved at margins (sometimes revolute on drying), acute, not glandular-verrucose; adaxial surface glabrous apart from few simple hairs on proximal portion of midrib; abaxial surface glabrous, with raised midrib. Inflorescences shorter to slightly longer than leaves, 1–20-flowered. Sepals 0.7–1 mm long, not glandular-verrucose, glabrous. Petals valvate, 2–2.5 mm long, white, both sides densely stellate-pubescent along margins, pilose towards centre. Filaments glabrous, slightly glandular towards apex. Cocci sometimes minutely apiculate, smooth, glabrous.
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