Tree. Twigs 2.5-3 mm diameter, yellowish brown; older twigs conspicuously cracking and flaking; lenticels absent or not apparent. Leaves membranous, (elliptic-)oblong, 11-22 by 5-7.5 cm, base rounded or short-cuneate, apex acute-acuminate or ± blunt; upper surface olivaceous, lower surface pale greenish yellow, early glabrescent, hairs scattered, pale, 0.1 mm or less, hair scars pale brown; papillose; dots absent; midrib flat above, lateral nerves (10-) 13-17 per side, at (45-)60-80° to the midrib, sunken above, yellowish, much raised below, lines of interarching and coarsely reticulate venation yellowish, distinct; petiole 15-25 by 2-3 mm, yellow-brown; leaf bud 10-15 by 3-3.5 mm, hairs appressed, dull (grey-)brown, 0.2-0.3 mm. Inflorescences (female) (sub)sessile, largely as in Knema: peduncle to 1 mm, sometimes with a central axis to 1 mm, hairs dull, rusty, 0.2-0.3 mm, with 3-6 flowers in a cluster, buds of about the same size, hairs 0.1-0.2 mm. Male inflorescences or male flowers not seen. Female flowers: pedicel 1-2 by 1.5 mm, bracteole broadly ovate, rounded, 4 mm, late caducous; buds broadly ovoid, 5 by 4-4.5 mm, cleft 1/5, lobes 1 mm long, 0.2-0.3 mm thick; ovary broadly ovoid or subglobose, 4 mm diameter, hairs pale brown, of mixed sizes, (0.1-)0.5-0.7 mm. Fruits solitary, subsessile, broadly ovoid, 6 by 4.5-5 cm, apex and base broadly rounded, early glabrescent; pericarp 8-10 mm thick; seeds ellipsoid, 4 cm; fruiting pedicel not seen.
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