Branchlets glabrous. Leaf petioles 4-5 mm. long, rugose, glabrous; blades papyraceous, glabrous above, sparsely provided beneath with very short appressed hairs, elliptic or oblong-elliptic or ovate, rotundate and a little emarginate at the very base, more or less abruptly cuspidate, 20-40 cm. long and 7-12 cm. broad; lateral nerves 18-25 on each side, more or less impressed on the upper side. Flowers solitary or sometimes 2; pedicels sericeous, 1-1.5 cm. long. Sepals triangular-ovate, reflexed, sericeous outside, tomentellous inside, 6-8 mm. long. Petals ferruginous-tomentellous on both sides, oblong-lanceolate, finally oblong-obovate, rotundate at the apex, 15-18 mm. long, 8-12 mm. broad. Stamens 1.8 mm. long. Monocarps ellipsoidic-pyriform, rugose, apiculate, 8-9 mm. long and 5 mm. across; stipes 10-15 mm. long, rigid.
Lowland rain forest or lower montane forest; at elevations up to 1,000 metres, occasionaly to 1,850 meres.