Erect, woody shrub to 1 m high, glabrous or puberulous apart from flowers. Branchlets sometimes slightly glandular-verrucose; decurrent leaf bases faint or absent. Leaves: usually some leaves bipinnate, pinnate leaves sometimes also present, 3–7-foliolate, 9–25 mm long, 7–25 mm wide; petiole and rachis segments 2–7 mm long; leaflets narrowly elliptic to narrowly oblanceolate to linear, 1–9 (–13) mm long, 0.5–1.5 mm wide. Inflorescences axillary, 1–3 (–9)-flowered; peduncle and pedicels 0.5–2 mm long. Sepals deltate, 1–2.5 mm long; abaxial surface glabrous to puberulous. Petals 2–4 mm long, not obviously glandular, glabrous, white. Stamens: filaments pilose, slightly glandular towards apex; anthers glabrous, minutely apiculate. Ovary glabrous; style pilose; stigma minute.