Treelet or tree, 3-30 m high. Leaves in whorls of 2-4, papyraceous when dried, sometimes thickly so; Inflorescence 4-9 cm long, axillary cymes, in whorls of 2, not much branched, congested; Flowers 20-25 on each inflorescence. Sepals ovate, apex rounded, thick except along the margin, rough outside, smooth inside. Stamens inserted at 3.5-4 mm below the mouth, 0.7-0.8 of the length of the corolla tube; Fruit composed of 2 separate mericarps; Seeds 3 at either placenta.
The species usually occurs in the lowland forests, but it also has been collected from montane forest in Yaibos, Western Highland, Papua New Guinea, at an altitude of 2100 m. It is uniquely characterised by its few and strongly arcuate ascending secondary veins which do not form a submarginal vein.