Tree, c. 20 m, dbh 40 cm Ø; young twigs dark-red with elongate yellow dots; twigs terete, those of innovations ± flattened; glabrous. Leaves ovate-oblong, rounded at base, pointed and ± acuminate to apex, entire, c. 5-9 by 2½-4 cm, rather flat, midrib ± convex, sulcate above with the ridge running rather high up; nerves 7-9 pairs, venation above not or little prominent but rather well so beneath; petiole 5-8 mm. Stipules peltate, ellipsoid, c. 5 mm. ♂ Unknown. ♀: Cupule c. 10-15 mm peduncled, apart from the two basal bracts with only one rather apical lamella, immature rather thin, about half as long as and narrower than the single nut; valves almost free to the base, but sometimes (mostly unilaterally) connate for 3 mm. Nut (not fully mature) flat, ovate-oblong, glabrous, distinctly (1 mm) winged towards apex, 7-10 by 5-6½ mm; style 0; stigmas 2.
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