Tree, 10-25(-40) m by up to 65 cm, with stilt-roots or (stilted) buttresses (?always). Branchlets 4-8 mm thick, lenticellate, hairy at the tip only; pith without vascular strands. Leaves (0-)2-5-jugate, glabrous. Petioles flattened at base, 1.5-7.5 cm, pith with 1 or few vascular strands. Leaflets elliptic-obovate, ovate or elliptic-oblong, sometimes nearly orbicular, 4-16.5 by 3-12 cm, thin-coriaceous; base often oblique, rounded to broadly cuneate, ultimate base cuneately or acuminately contracted; apex blunt and emarginate to shortly, broadly, and bluntly acuminate; nerves 6-14 pairs (angle 55-75°), curved, only the apical ones arching. Inflorescences axillary, together pseudo-terminal, broadly paniculate, 6-25 cm, glabrous, peduncle 0-4 cm, branches up to 12 cm. Flowers 4-6 mm, glabrous. Filaments confluent with the disk. Disk cupular, the rim undulate. Pistil in ♂ flowers rather strongly reduced. Fruits ovoid to ellipsoid, faintly trigonous in cross-section, 2.25-3.5 1¼-2 cm, stigmatic scar (nearly) apical. Cotyledons folded, 3-lobed.
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A tree. It grows 40 m tall. It has buttresses. The bark is reddish brown. It cracks. The leaves are alternate and compound. There are 1-2 pairs of leaflets. The leaflets are 6012 cm long by 3-6 cm wide. The flowers are in groups in the axils of the leaves. The flowers are 5 mm across. They are in broad clusters. The fruit is 3 cm long. It is fleshy.
Primary lowland forests usually at elevations up to 50 metres, occasionally ascending to 400 metres. Apparently found mostly in low, wet or swampy localities. Also in mixed dipterocarp forest on hillsides and ridges with poor sandy soils.
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It is a tropical plant. It grows in forests up to 1,200 m above sea level. It can be in swamps and on poor sandy soils.
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