Tree to 30(-50) m, rarely buttressed; Branchlets slightly angled to terete, glabrous, dark brown, often with transverse fissures when dry. Leaves: Stipules not seen. Inflorescences composed of pedunculate glomerules, on nude branchlets below the leaves or in the upper leaf- axils; Flowers subsessile, dimorphic, pentamerous, bisexual. Stamens white, tube equalling the corolla-tube. Ovary sessile, c. 3 mm, glabrous. Seeds brown, often irregular on shape, ovoid to broadly ellipsoid(-obovoid), biconvex, c. 13-16 by 10-14 by 4-5.5 mm;
Asia-Tropical: Borneo present (Brunei present, Kalimantan present, Sabah present); Malaya (Peninsular Malaysia present); Sumatera (Sumatera present), Peninsular Thailand present
Peninsular Thailand; Malesia: Malay Peninsula, Sumatra, Borneo (Brunei, Sabah, Kalimantan).
Hardwood, moderately hard and heavy, strong, without silica, ± durable, seasons slowly without degrading. Suitable for furniture.