Tall tree; very young shoots with short adpressed ferruginous hairs; older branchlets glabrous, blackish, rugulose, lenticellate. Leaf-blades obovate-oblong, ± 25 cm. long, 9–10 cm. wide, rounded or shortly and obtuselyacuminate at the apex, obtuse or cuneate at the base, thickly papery, rather shining and glabrous on both sides; lateral nerves 10–12; petiole thick, 5–7 mm. long, channelled above, glabrous or minutely puberulous. Hermaphrodite flowers not known. Peduncles of ♂ flowers 1–1.2 cm. long, ferruginous tomentellous, bearing at the middle an amplexicaul bract 3–4 mm. long. Sepals broadly rounded, 4–5 mm. long, 7–8 mm. wide, ± acute at the apex, tomentellous outside, glabrous inside. Petals greyish tomentellous outside, glabrous inside, all ± acute, outer lanceolate, 2.5–3.5 cm. long, 1–1.5 cm. wide, inner ovate, 1.8–2 cm. long, 1.1 cm. wide. Stamens numerous, 3 mm. long; dilated connective-appendage glabrous.
