Tree to 40 m. Bark rough, flaky or fibrous, grey to grey-brown on trunk and larger branches or throughout, sometimes smooth above. Juvenile leaves opposite to subopposite, sessile to shortly petiolate, broadly ovate to suborbicular, amplexicaul, cordate, crenulate, discolorous. Adult leaves alternate, lanceolate to narrowly lanceolate, acuminate; lamina 11–20 cm long, 1.8–2.5 cm wide, green, discolorous; lateral veins faint or visible, at 35°–45°; intramarginal vein up to 2 mm from margin; petiole terete, 15–27 mm long. Umbels 7-flowered; peduncle slightly flattened, 5–10 mm long; pedicels 1–6 mm long. Buds ovoid; operculum conical or hemispherical, apiculate, 4–5 mm long, 5–6 mm wide; hypanthium hemispherical, 3–4 mm long, 5–6 mm wide. Fruits obconical or hemispherical, 4–5 mm long, 6–7 mm wide; disc moderately broad, level or slightly ascending; valves usually 4, exserted.
Grows invalleys and on hill slopes, mainly in alluvial soil, often near swamp edges, inopen forest.
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