Tree 4–20 m or more tall, sometimes with small buttresses and often suckering; timber red; bark rough, irregularly scaling. Leaves 15–20 cm long, 3-or 4-jugate; petiole 2–5 cm long; leaflets subobovate to elliptic, 5–9 cm long, 2.5–4.5 cm wide, the distal the largest, acute at base, obtuse to subcuspidate at apex, glabrous save for domatia in axils of major veins abaxially; veins conspicuously looped together, c. 5–7 on each side. Thyrses of pedicellate sweetly scented flowers. Calyx c. 3 mm across. Petals elliptic, c. 4 mm long, white to pinkish. Capsule c. 2 cm diam., usually 2-or 3-lobed; pericarp sometimes with white latex. Seeds 1–4; aril red, partly enveloping seeds and filling space between them so that pairs detach together.
In and on the edges of warmer, wetter rainforest areas, and in gullies in drier forests, from sea level to high elevations.