Deciduous trees, 15-20 m tall. Young branchlets densely or sparsely yellow-brown tomentose. Leaves alternate; petiole 3-13 mm, densely yellow tomentose; leaf blade ovate, rhombic-ovate, oblong, elliptic, or obovate, rarely rotund, 4-15 × 1.5-7 cm, glabrous or sparsely or densely yellow-brown tomentose abaxially, glabrous adaxially, lateral veins 5-7 pairs, base acuminate or cuneate, apex acuminate, shortly acuminate, obtuse, or abruptly acute. Umbel solitary at apex of 1-year-old branchlets, flowering before leaves, male umbel 8-10-flowered; peduncle 2-10 mm, tomentose. Male flowers: pedicel 5-8 mm, tomentose; perianth segments 6, rotund, yellow; fertile stamens 9; filaments glabrous, of 3rd whorls each with 2 stipitate yellow glands at base; rudimentary pistil glabrous. Fruit globose, 3-4 mm in diam., black at maturity; fruiting pedicel 5-10 mm, pubescent. Fl. Mar-Apr, fr. Jul-Aug.
Roadsides, streamsides, sparse forests, weed-tree forests; at elevations from 500-2,300 metres.
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