Small trees, 3-7 m tall. Young branchlets and petioles covered with gray-brown pubescence and becoming glabrous. Leaves conferted, subverticillate; petiole 6-7 mm; leaf blade oblong or lanceolate to narrowly lanceolate, 5-12 × 1.2-3.5 cm, glaucous abaxially and pubescent when young, shiny and glabrous adaxially, pinninerved or sometimes subtriplinerved, lateral veins 4-6 pairs, base cuneate, apex acuminate. Umbels often 3-5-fascicled in leaf axils, subsessile, 4-flowered. Pedicel ca. 2 mm, sericeous-villous. Perianth segments 4, broadly ovate. Male flowers: fertile stamens 6; filaments hirsute at base, of 3rd whorls each with 2 large stipitate glands at base; rudimentary pistil glabrous. Fruit ovoid or ellipsoid, 8-12 × 5-6 mm, seated on flat discoid perianth tube, ca. 2 mm in diam.; fruiting pedicel 4-8 mm. Fl. Apr-May, fr. Sep-Oct.
Watersides, thickets, dense forests; at elevations from 400-2,000 metres.