Trees to 12(-20) m tall, glabrous; branchlets gray-brown, lenticellate. Leaves alternate; stipules small, subovate, ca. 1 mm; petioles 2-7.5 cm, 2-glandular at apex; leaf blade elliptic or oblong-ovate, 4-10 × 2.5-5 cm, papery, reddish when young, base cuneate, apex obtuse or shortly acuminate, with several rounded glands on or near margin abaxially; midvein elevated on both surfaces, lateral veins 8-12 pairs, alternate or nearly opposite. Flowers monoecious in terminal racemes; inflorescences 4-9 cm, female in lower part, male in upper part or throughout. Male flowers: pedicels 1-3 mm; bracts ovate, ca. 1.5 × 1 mm, glands oblong or reniform, ca. 2 × 1 mm at bilateral base, each bract 5-7-flowered; bractlets 1-1.2 mm; calyx cup-shaped, irregularly serrulate; stamens 2 or 3; filaments short; anthers globose. Female flowers: pedicels stout, terete, ca. 5 mm; bracts almost as in male, each bract only 1-flowered; calyx 3-partite to base, lobes triangular, 1.8-2 × ca. 1.2 mm, margins sparsely serrulate; ovary ovoid, 3-celled; styles 3, revolute. Capsules black, globose, 7-9 mm in diam.; columella persistent. Seeds subglobose, 4-5 × 3-4 mm in diam., with thinly waxy aril. Fl. Apr-Jun, fr. Jul-Oct.
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A tree. It grows 12-20 m tall. The small branches are grey-brown. The leaves are alternate. The leaf stalks are 2-8 cm long. The leaf blade is narrowly oval and 4-10 cm long by 3-5 cm wide. There are glands near the edge underneath. The flowers are in groups 4-9 cm long. The female flowers are in the lower part and the male flowers in the upper part. The fruit are black round capsules 7-9 mm across. The seeds are 4-5 mm long. There is a thin waxy aril or layer around the seeds.
Primary forests, disturbed forests, young secondary forest of 5 years or more, and thickets; growing on hillsides and steep slopes, also in dry places, on yellow and granitic sandy soils; at elevations from 10-1,100 metres.
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It is a subtropical plant. It grows in broad-leaved evergreen forests. In south China it grows between 100-1,100 m above sea level. In Sichuan and Yunnan.
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