Trees, branchlets pubescent. Leaves alternate; petiole 3-6 mm, pubescent; leaf blade obovate or obovate-lanceolate, 3-9 × 1.2-3 cm, glaucous abaxially and pubescent along veins, glabrous adaxially, pinninerved, lateral veins 5-7 pairs, base cuneate, apex obtuse or obtusely acuminate. Umbels clustered or solitary in leaf axils, male umbel 4-flowered; peduncle 4-7 mm. Pedicel densely villous. Perianth segments 6, obovate or ovate, pubescent along midrib outside. Male flowers: fertile stamens 9; filaments villous, of 3rd whorls each with 2 shield-shaped glands at base; rudimentary pistil lacking. Fruit ellipsoid, ca. 8 × 5 mm, seated on shallowly, thinly cup-shaped perianth tube; perianth tube 2-3 × ca. 5 mm, pubescent outside; fruiting pedicel short, ca. 1 mm. Fl. Oct.