Tree up to 25 m, with rather narrow conical crown and drooping branches and leaves. Leaves large, broadly ovate-oblong, rarely narrowly oblong-elliptic, coriaceous, glabrous, usually yellowish green above when dry, (15-)24-30 by (4-)6-11 cm, acuminate, base abruptly acute or rounded; longitudinal nerves 5 (middle 3 stronger than the 2 outer ones), elevated beneath, plane or slightly depressed above, besides 2 intramarginal veins; transverse veinlets subparallel; petiole 6-12 mm. Inflorescences irregularly and unevenly branched, paniculate, up to 20 cm long, branches flattened when dry. Flowers unisexual, brownish pubescent outside, usually crowded on very short lateral branches. Male flowers shortly pedicelled. Calyx lobes 4, deltoid, acute. Petals deltoid, c. ¼ mm long, long brownish hairy all over. Stamens c. ½ mm long. Disk crenulate. Pistil rudiments subulate, sparsely brownish hairy in the lower part. ♀ Flowers sessile, cylindric, more or less quadrangular, c. 2½ mm long. Calyx lobes and petals similar as in the males. Sterile stamens c. 0.5 mm; filaments sometimes twice as long as the anthers. Styles conical, ½ mm, recurved, densely brownish hairy in the lower part. Fruits pyriform, 8-12 by 5-7 cm, saccate at the base, minutely rusty-pubescent; pericarp 8-10 mm diam. Seeds very hard, solid and large.
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