Description from
Flora of China
Tetrapilus brachiatus Loureiro, Fl. Cochinch. 2: 611. 1790.
Shrubs 1-9 m, polygamodioecious. Branchlets terete, finely puberulent. Petiole 3-5 mm, puberulent; leaf blade elliptic or elliptic-lanceolate, broadly so or ovate, (3-)5-6(-9) × (1.2-)2.5-3(-4) cm, leathery, glabrous except for midrib puberulent toward base adaxially, base cuneate, margin irregularly serrate in distal half, teeth sharp or blunt, ca. 0.5 mm, or rarely entire, apex acuminate to short caudate-acuminate; primary veins 5-7 on each side of midrib, usually obscure. Inflorescences axillary, paniculate, 0.5-3 cm, puberulent or glabrous. Flowers often in subumbellate groups. Bisexual flowers: pedicel 1-1.5 mm, pubescent or glabrescent; calyx ca. 1 mm, puberulent; corolla white, 2-2.5 mm, lobes ovate-orbicular, 0.5-1 mm. Drupe ripening purple-black or blue-purple, globose, 5-7 mm in diam. Fl. Oct-Mar, fr. Jun-Aug.
Forests, thickets; below 700 m. Guangdong, Hainan [SE Asia]