Slender tree or shrub (2-)5-10(-20) m; bark greyish-brown or brown, smooth, rather flaky; branchlets reddish-brownish when dry, the apical part minutely pubescent, elsewhere quite glabrous, terete, striate, laxly covered with pallid, suborbic-ular to oblong lenticels. Leaves elliptic or obovate-elliptic, sometimes oblong or oblanceolate, firmly membranous, rather abruptly (1-2½ cm) subacute-acuminate, tapering to the petiole, shining and grey-olivaceous on the upper surface, dull, greyish-greenish and pale beneath when dry, glabrous on both sides except the minutely pubescent midrib and occasional short hairs on the nerves beneath, (10-)12-18(-23) by (4-)5-8(-10) cm; midrib and lateral nerves slightly raised on both sides, very prominent beneath, nerves curved-ascending to suberect, upper ones only slightly anastomosing, veins distinctly transverse and somewhat raised on both sides, reticulations rather fine and dense, well visible on both sides; petiole rather slender, minutely pubescent, very soon glabrescent, (1½-)2½-5 cm long, l.5 mm diam. Racemes mostly solitary, slender, the male (10-)30-40(-50) cm, the female 4-8 cm; rhachis rather densely greyish-or yellowish-pubescent. Pedicels very slender, 2-3 mm. Calyx membranous, with 3, broad, ovate lobes, laxly appressed-pilose outside, 2 mm. Petals 5, ovate-oblong, pale-green, usually dark red when dry, 2.5 mm; scale ovate, 1.2 mm. ♂ Flowers: stamens 5; column glabrous or sometimes very little pilose immediately below the anthers, 3 mm. ♀ Flowers: calyx lobes and petals slightly larger than in the male. Staminodes 5, short, glabrous, without anthers. Ovary cylindrical, 3-4 mm, somewhat angular, dilutely rusty-hirsute; stigmas large, flat, reflexed, broadly obovate, sessile. Fruit fusiform when young, densely covered with minute tubercles, when ripe elliptic-fusiform and narrowed in the middle, when 4-6-seeded (3½-)4-4½(-6) by 2-2.5 cm, rarely smaller, obovoid or subglobose, subacuminate, when 2-3-seeded 2.5 by 2-2.5 cm; pericarp thin, coriaceous, reticulate-pustular, greyish outside, at last nearly glabrous; peduncle 5-8 mm. Seeds irregularly compressed, mostly semiglobose, c. 1½ by 1 cm.
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A slender tree. It grows 20 m tall. The bark is rough and grey-brown. It is flaky and has a scent. The leaves are narrowly oval and 10-23 cm long by 4-10 cm wide. They taper at the ends. They are glossy above and greyish underneath. The flowering shoots have grey to yellow hairs. The male flowers are 3 mm across in 10-50 cm long groups. The female flowers are pale green and in 4-8 cm long groups. The fruit is long and greyish. There are 2-6 round seeds 1.5 x 4 cm.