Large tree up to 45 m, 1 m ø. Buttresses up to 6 m tall, 3 m out, 5 cm thick. Bark grey-brown, smooth, finely fissured to pustulate and lenticellate. Innovations densely yellowish brown to rufous simple hairy. Older twigs glabrous, finely striate and sparsely minute lenticellate. Terminal buds ovoid-conical, c. 3 by 2 mm, scales densely yellowish-brown tomentose. Stipules linear-lanceolate, 4-5 by 1-1½ mm. Mature leaves thick-coriaceous, strongly rugose, stiff and brittle when dry, ovate-elliptic to elliptic-oblong, (5-)8-12(-15) by (2½-) 3-5(-6½) cm (index 1½-2½), broadest at or slightly below the middle; above glabrous, shining, beneath sparsely yellowish-brown pubescent especially on midrib and nerves; base rounded to subcordate, symmetrical, rarely attenuate-rounded and slightly asymmetrical; margin undulate, entire or distantly serrate in the upper half, very often incurved; apex rounded-acute to acuminate; midrib and nerves strongly raised beneath, flattish to deeply impressed above; main nerves (2-)3(-4) pairs, ascending and arcuating, anastomosing along the margin, the lowest pair running up to ½ — ¾ the length of the leaf; reticulations sub-scalariform to subareolate, distinct beneath; petiole 6-10 by 1-2 mm, shallow-sulcate, densely appressed yellowish-brown pubescent, glabrescent. Inflorescence ♂ or ⚥ or rarely mixed, 1½-5 cm long; bracts ovate, c. ½-l by ½ mm. ♂ Inflorescence a much-branched, multiflorous (up to c. 70) panicle up to 5 cm long, axes slender, flexuous, borne on the lower and leafless part of the new shoot or in the axils of lower new leaves; ♀ flower 1½-2 mm ø, subsessile; perianth lobes (4-)5, elliptic, c. 1-1 ½ by 1 mm; filaments 1-1 ½ cm long, anthers reniform, c. 1 by ½ mm; pistillode minute, surrounded by dense pale yellowish-brown hirsute hairs. In a mixed inflorescence, the few ⚥ flowers are situated near the tip of the axis. ⚥ Inflorescences borne in the axils of leaves of the new shoot, l-l ½ cm long with up to 5 flowers; ♀ flower ovoid, c. 2 by 1 mm; perianth lobes (4-)5, elliptic-rounded, c. I ½ by 1 mm stamens (4-)5; filaments c. 1 mm, anthers c. ½ by ½ mm; ovary slightly compressed, densely pale yellowish-brown ap-pressed-hairy; stigmatic arms spreading, bifurcate at the tip. Infructescence up to 2-3 cm long, axes up to 2 mm thick, with (l-)2(-3) fruits. Fruit ellipsoid, faintly 5-angular, c. 15 by 10 mm, appressed-pubescent, glabrescent; exocarp 2-3 mm ø, rather woody, occasionally lenticellate, turning deep-red when ripe, containing slimy substances when boiled. Embryo curved, cotyledons folia-ceous, folded, equal. Endosperm scanty.
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