Trees, 8-10 m tall, sometimes up to 22 m tall. Young branchlets, petioles, and inflorescences ferruginous pubescent. Leaves alternate, sometimes 4-6 clustered at apex of branchlet, subverticillate; petiole 3-7 mm; leaf blade oblong or oblong-lanceolate, 4-10 × 0.8-2.3 cm, glabrous on both surfaces, except for midrib with ferruginous pubescence when young abaxially, pinninerved, lateral veins 4-6 pairs, base acute, apex obtuse, acute, or acuminate. Umbels 3-5, axillary or lateral, sessile, 4- or 5-flowered. Pedicel ca. 5 mm. Perianth segments 4, ovate, with ferruginous pubescence outside. Male flowers: fertile stamens 6; filaments glabrous, of 3rd whorls each with 2 rounded glands at base. Fruit globose, 8-10 mm in diam., dark black-brown at maturity; fruiting pedicel thickened at apex; perianth segments often persistent. Fl. Aug-Nov, fr. Sep-Dec.

The wood is used for construction, furniture, and agricultural tools. The seeds contain 25%-30% oil.

● Valleys, dense forests, forest margins; 300-900 m. Guangxi, Hainan.