Tree 5-25 m. Twigs (sub)terete, 3-6(-7) mm diameter, with minute ± appressed pale or bright rusty hairs 0.2-0.5 mm long, glabrescent, bark greyish, coarsely striate, when older ashy or blackish, conspicuously cracked and flaky, with ± concolorous lenticels; crowded scars of bud scales at base of innovations. Leaves chartaceous, elliptic-oblong or oblong-oblanceolate, 21-45 by (5—)8—17 cm, base rather gradually cuneate, apex broadly acute with acute(-acuminate) or ± blunt tip; upper surface (greenish) olivaceous, lower surface glabrous, grey(-brown) with the yellowish nerves contrasting; strongly papillose; dots absent; midrib in large leaves to 5 mm wide, flat or slightly raised above; nerves 15-22 per side, at 45-60(-70)° to the midrib, slender, flat above, much raised below, lines of interarching indistinct, venation faint on both surfaces; petiole (6-) 10-20 by 4-6 mm, brown or blackish, contrasting with light brown midrib and grey twigs; apical leaf bud (sub)acute, 10-15 by 4-6 mm, with appressed dull brown hairs 0.5 mm, at base with few or several bud scales, mostly with the apical part broken off. Inflorescences apically or below the leaves, compound; synflorescences consisting of short-shoots (l-)2-4 cm long, always ending in a sterile vegetative bud 0.5(-l) cm long, and with scars of cataphylls at base, the partial inflorescences 3-5, distichous, in the axils of fallen cataphylls, with shaggy bright rusty hairs 0.5(-l) mm, peduncle flattened; flowers with shaggy yellow-brown hairs 0.5(-l) mm long, bracts irregularly broadly rounded, ± convex, 5-10 mm diameter, early shed, leaving distinct scars. Male synflorescences 3-6 cm long; partial inflorescences with peduncle 1-3 cm long, rachis up to 15 mm, with 1-3 subumbels of 5-10 flowers, buds in equal stages of development. Female synflorescences (from infructescences) possibly always on the older wood, 1-4 cm long, with partial inflorescences 1 cm long, each few-flowered; female flowers not seen. Male flowers: pedicel slender, (5—)8—10 by 0.8(-l) mm, bracteole absent; buds ovoid, (5-)6-7 by (4-)5 mm, not angular, apex rounded, base broadly rounded, inside glabrous, cleft c. 1/3 to nearly halfway, into 3 (or 4) lobes, 2.5-3 mm long, at sutures 0.2-0.3 mm thick; androecium 4-4.2 mm long, androphore slender, 1.5(-2) by (0.3-)0.4 mm, finely striate, glabrous, except for a basal collar of dense curly brown hairs 0.3-0.4 mm long, synandrium subglobose or broadly ellipsoid, truncate or depressed at both ends, 2-2.4 by 2 mm, at apex deeply hollowed out nearly to the base; anthers probably c. 20 (i.e., c. 40 linear thecae), contiguous, partially curving into the apical hollow, sterile apex absent. Infructescences 2-6-fruited, on the older wood below the leaves, 2-4(-5) cm long, bark of branches fissured and flaking. Fruits ovoid-ellipsoid, (4-)5-5.5 by 2.5(-3) cm, base rounded or truncate, apex narrowed, subacute, or somewhat uncinate, hairs woolly, rusty, 1-1.5 mm long; pericarp rather woody, 5-7 mm thick, seeds ellipsoid-oblong, 3 by 1.5 cm, with impressions of the aril lobes; fruiting pedicel 3-6 by 3-5 mm, without bracteole scar, pubescent.
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