Tree, 10 m up to 40 m by 30 cm, with buttresses up to 3.5 m (cf. Kochummen Whitmore Tree Fl. Malaya 1 1972 141 ). Branchlets lli-1 cm thick, lenticellate, glabrous apart from the tip; pith without vascular strands. Leaves 3-15-jugate, glabrous. Petioles 2.5-18.5 cm, strongly flattened above, pith with one or few vascular strands. Leaflets ovate to narrowly oblong, 6-30(-42) by 2.5-8 cm, stiff, chartaceous; base broadly cuneate to rounded; apex tapering, bluntly acuminate; nerves 8-14 pairs (angle 60-65°), curved, apical ones arching. Panicles (female unknown) axillary, up to 12 cm long, glabrous, branched from the base, branches up to 4 cm long. Flowers (female unknown) 3.5 mm, glabrous. Calyx 1.5 mm. Stamens free or confluent to the disk. Disk cupular with sub truncate rim. Pistil moderately reduced. Infructescences axillary, pyramidal, 2-15(-23) cm, glabrous, peduncle 0-3.5 cm, branches stout, up to 9.5 cm. Fruits ovoid, slightly oblique, 1.5-2.75 by 1.25-1.5 cm, style-remains somewhat excentric; wall of the pyrene very thin, red when ripe.