Tree 30 m. Twigs coarsely striate, 2-3.5 mm diameter, blackish, early glabrescent, hairs less than 1 mm, grey-white; older twigs grey-brown, 5-6 mm diameter, coarsely striate, then cracking, fissured and flaking; lenticels not apparent. Leaves thinly chartaceous, elliptic-oblong or obovate-oblong, 8-15 by (3-)5-7 cm, base shallowly cordate, rounded, or short-attenuate, apex bluntish or shortly acute-acuminate; upper surface dull blackish brown, glabrous, lower surface (greyish) rusty, largely pubescent, hairs dense, scale-like, 0.1 mm or less; not papillose; dots absent; midrib slender, in a shallow groove above, lateral nerves 16-21 per side, at 60-70° to the midrib, slender and faint, sunken above, not much contrasting below, lines of interarching and venation indistinct; petiole comparatively long, 20-30(-40) by 1.5-2 mm, blackish, glabrous; leaf bud 15-20 by 2-3 mm, hairs dense, appressed, grey (whitish), 0.1 mm or less. Male and female flowers not seen. Inflorescences (from infructescences) between the lower leaves, peduncle 15-20 mm, coarsely fissured and lenticellate. Fruits (1 or) 2 or 3 per infructescence, ovoid-oblong, 6.7-7 by 4 cm, apex rounded, tip slightly oblique, ± blunt, base narrowed (pseudostalk absent), hairs mealy, dense, rusty, 0.1 mm; pericarp smooth, 10 mm thick (towards the base nearly 20 mm thick); seeds (nearly mature) ellipsoid, 2.5-3 cm; fruiting pedicels ± thick, 3(-5) mm long, bracteole scar not seen.