Trees, 8-20 m tall, ca. 50 cm d.b.h. Branchlets glabrous. Leaves alternate or clustered, subverticillate; petiole 1-1.2 mm; leaf blade oblong-lanceolate or nearly oblong-obovate, 4.5-10 × 2-3.5 cm, foveolate on both surfaces, glaucous abaxially, triplinerved, lateral veins 4 or 5 pairs, fine, lowermost pair arising 2-7 mm from base, base cuneate, apex obtuse. Umbels axillary or lateral, solitary or 2- or 3-fascicled, 3-5-flowered. Pedicel ca. 3 mm, appressed pubescent. Perianth segments 4, oblong-ovate. Male flowers: fertile stamens 6; filaments glabrous, of 3rd whorls each with 2 small rounded glands at base; rudimentary pistil ovoid, glabrous. Fruit globose, 8-10 mm in diam., seated on discoid perianth tube; fruiting pedicel 8-9 mm, pilose. Fl. Sep-Nov, fr. Dec-Feb of next year.

The wood is yellow-brown, hard, heavy, finely textured, more or less straight-grained, and does not become fissile or warped in a dried state. It is used in industry and construction.

● Mixed forests on mountain slopes; ca. 600 m. Hainan.