Description from
Flora of China
Trees, sometimes small, 4-12 m tall. Branchlets angular, glabrous or slightly hairy. Petiole 1.5-3 cm, glabrous or adaxially slightly pubescent when young; leaf blade becoming black when dry, elliptic, 10-21 × 4-8 cm, firmly papery, glabrous, midvein conspicuously prominent abaxially, lateral veins 6-9 pairs, abaxially prominent, reticulate veins slender, conspicuous, base broadly cuneate, unequal, apex acuminate; axillary buds densely white hispid. Cymes terminal, ca. 3.5 cm, hispid; flowers not seen. Drupe green when young, black when mature, ellipsoid, ca. 1.5 × 1 cm. Seeds ca. 10 × 7 mm; cotyledons cordate, large, ca. 7 mm, conspicuously 5-veined. Fl. unknown, fr. Nov-Mar.
● Dense forests, sparse woods in valleys; ca. 700 m. S Yunnan (Xishuangbanna).