Tree 13-16 m. Twigs 3.5-6 mm diameter, grey-brown, late glabrescent, hairs rusty, 0.3-0.6 mm long; bark coarsely striate, slightly flaking or not; lenticels ± inconspicuous. Leaves thinly coriaceous, oblong, 16-28 by 5.5-9 cm, base short-attenuate to rounded, apex acute-acuminate; upper surface drying olivaceous, largely glabrous but midrib and nerves late glabrescent; lower surface chocolate, contrasting in colour with upper surface, glabrescent but hairs 0.5 mm long, often (partly) persistent on midrib and nerves; dots absent; midrib slender (at transition of petiole 1.5 mm wide), raised above; nerves 16-19 pairs, raised above, glabrescent, lines of interarching flattish, indistinct; venation lax, indistinct, petiole 15-22 by 3.5-4.5 mm, late glabrescent; leaf bud 16-20 by 3.5-4.5 mm, with dense rusty hairs 0.5 mm long. Inflorescences behind the leaves, with dense woolly-shaggy hairs up to 0.6 mm long; in male: about 4 times branched, many-flowered, 10 by 10 cm, peduncle 1-2 cm long, the flowers in clusters of 2-6; in female: fewer-flowered, 4 by 3.5 cm; bracts pubescent, caducous; flowers with perianth 3-lobed, glabrous, pedicel towards base with hairs 0.1-0.2 mm, articulated. Male flowers: pedicel 1.5 mm long; buds globose, 1.2 mm diameter, cleft nearly 1/2, not collapsing on drying, lobes 0.2 mm thick, at base of perianth ± fleshy-coriaceous, 0.5-0.6 mm thick; androecium including androphore ± broadly obovoid, 0.6-0.7 by 0.6 mm, triquetrous in cross section (Plate 3: 71); thecae 10 or 12, at least the upper half free, ± erect, 0.3-0.4 mm long; column deeply hollowed; androphore ± tapering to the base, 0.3 mm long. Female flowers: pedicel 1.5(—2) mm long, ± pubescent with hairs 0.1-0.2 mm; buds subglobose, 2.5 mm diameter, subglabrous, cleft slightly over 1/3; ovary broadly ovoid, 1.5 mm diameter, glabrous, stigma 0.3 by 0.6 mm, 2-lobed, the lobes shallowly 5-or 6-lobulate. Fruits not seen.
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