Description from Flora of China
Shrubs or trees, 3-15 m tall. Young branches grayish brown, glabrous; current year branchlets reddish brown, terete, sparsely pubescent when young, soon glabrescent; terminal buds pubescent or glabrous. Petiole 3-5 mm, glabrous; leaf blade oblong-obovate, 6-9 × 1.5-3.5 cm, leathery, abaxially olive green, adaxially dark green, both surfaces glabrous, midvein abaxially elevated and adaxially impressed, secondary veins 6-9 on each side of midvein and visible on both surfaces or abaxially slightly raised, base cuneate, margin entire or apically with several serrations, apex obtuse to emarginate. Flowers axillary, solitary or to 4 in a cluster. Male flowers: pedicel 2-3 mm; bracteoles orbicular; sepals leathery, suborbicular, 2-2.5 mm, glabrous; petals obovate, ca. 4 mm; stamens 16-18; anthers not locellate; pistillode glabrous. Female flowers: pedicel ca. 1.5 mm; bracteoles orbicular; sepals ovate, 1.5-2 mm, apex rounded to obtuse; petals ovate, ca. 3 mm; ovary ovoid, glabrous, 3-loculed; style 1.5-2 mm, apically 3-lobed. Fruit globose, 3.5-4 mm in diam. Fl. Nov-Dec, fr. Jun-Jul.
Forests on mountain slopes; 500-1300 m. Hainan [Vietnam].