Small tree usually below 5 m high, often buttressed; knee roots not known in Australia. Leaves obovate to elliptic or oblong, obtuse or emarginate; lamina 4–10 cm long, 2–6 cm wide; stipules 1.5–2 cm long. Inflorescence 3–5-flowered; peduncle less than 1 cm long, prominently ribbed; flowers sessile or almost so. Sepals 2–3 mm long, erect in flower and fruit. Petals c. 2.5 mm long, minutely fringed, not cohering, the upper third incised into 10–12 ribbon-like strands. Stamens c. 1 mm long; anthers at least as long as filaments. Hypocotyl 6–15 cm long, prominently ridged.