Trees 25-45 m tall; buttresses 2-4.5 m tall, sometimes to 6 m tall; bark gray, muricate. Petiole terete, 3-7(-20) cm; leaf blade cordate, cordate-ovate, or suborbicular, 10-26 × 9-20 cm, abaxially sparsely pubescent along veins, adaxially glabrescent, palmately 3-5-veined, margin serrate, slightly 2-or 3-lobed when young, apex acute or acuminate. Male spikes 10-20 cm; peduncles yellowish pubescent; bracts spatulate, ca. 1 mm. Female spikes 8-20 cm; peduncle pubescent. Male flowers: pedicel ca. 1 mm or very short; calyx 1.5-2 mm, lobes oblong, 3-veined, margin entire or 1-or 2-dentate, apex obtuse; filaments terete, 1-3 mm; anthers subglobose, ca. 0.5 mm. Female flowers: pedicel absent or very short (less than 1 mm); calyx slightly 4-angled, puberulous, tube fusiform, 2.5-3.5 mm, 2.5-3 mm in diam. at middle, densely brown glandular punctate outside, lobes triangular, 0.5-1 mm, 3-veined, apex acute; styles 1-2.5 mm; stigmas erect or reflexed, obovate. Capsule brown-yellow at maturity, globose-urceolate, 4-5 mm, 8-10-veined outside, sparsely brown glandular punctate. Seeds slightly compressed, less than 0.5 mm. Fl. Mar-Apr, fr. May.
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Tree 25–45 m tall, buttressed, with large, spreading surface roots. Trunk to 2 m diam. Leaves cordate-ovate or orbicular, acute to acuminate, 8–26 cm long, 6–22 cm wide, 3–7-nerved, coarsely dentate to almost entire; upper surface almost glabrous, lower surface pubescent; petiole terete, 3–7 (rarely to 20) cm long. Male flowers in panicles 10–20 cm long; bracts c. l mm long; pedicels to c. 1 mm long; calyx 1.5–2 mm long; deeply 4-lobed; staminal filaments 0.5–3.5 mm long. Female flowers in spikes or panicles 8–20 cm long; calyx tube 2.5–3.5 mm long, the lobes 0.5–1 mm long; styles 1–2.5 mm long with stigmatic groove on inner surface. Capsule globular-urceolate, 4–5 mm long, prominently 8–10-veined. Seeds c. l mm long.
A large tree. It grows 25-50 m tall. The bark is shiny brown. It loses its leaves during the year. The leaves are heart shaped and 11-17 cm long by 9-12 cm wide. The flowering shoots are 8-20 cm long. They are usually produced when the tree is leafless. The fruit is a round or urn shaped capsule. It is 4-5 mm long. There are many very small seeds.
A usually solitary tree, predominantly found in deciduous forests, common in teak forest, usually at elevations up to 500 metres, but sometimes found up to 1,000 metres.
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It is a tropical plant. It grows from sea level to 500 m above sea level.
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