Shrubs scandent. Branchlets straight, flexuous, or geniculate, terete, 1.5-2 mm in diam., glabrous or densely reddish glandular papillose-tomentose. Petiole canaliculate and marginate, 5-9 mm, indument as in branchlets; leaf blade obovate or oblanceolate, (1.7-)3-6(-7.5) × (0.6-)1.5-2(-3) cm, papery, dull, glabrous, base cuneate, margin flat or revolute, entire, apex acute or rounded to obtuse, usually minutely emarginate; midrib impressed adaxially; lateral veins inconspicuous, 6-10 on each side of midrib. Inflorescences axillary, subcorymbose subumbellate, to puberulent, 3-15-flowered, with 1 or 2 series of scales at base; bracts ovate, cucullate, subulate or oblong, 1-1.3 mm, sparsely glandular granulose, margin entire, glandular ciliate, apex obtuse. Flowers white or yellowish, 4-merous, staminate 2-2.5(-3) mm, pistillate 1.5-2 mm. Pedicel 2-4 mm in staminate, 1.5-2 in pistillate, glabrous or glandular puberulent. Sepals ovate or triangular, glabrous or glandular puberulent, red punctate, margin subentire, apex acute. Petals free, ovate or oblong, membranous, glabrous outside, densely glandular granulose inside, entire, glandular ciliate, apex obtuse or rounded. Stamens exserted 1-1.5 mm in staminate flowers, ca. 1/3 petal length in pistillate; anthers broadly cordate, apex acute. Ovary glabrous. Style straight, punctate; stigma subcapitate, 2-or 3-lobed. Fruit globose, 5-8 mm in diam., densely pellucid punctate.
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A shrub. It grows to 1 m high. The branches are straight but flexible. They are 1.5-2 mm across. The leaf stalk is 5-9 mm long. The leaves are oval. It is 3-6 cm long by 1.5-2 cm wide but can be larger or smaller. They are papery and dull. The base is wedge shaped and the edges can curl. There are 6-10 side veins each side of the midrib but these are not easy to see. The flowering stalk is in the axils of the leaves. There are 3-15 flowers. The flowers are white or yellowish. The flower groups are 1 cm long. The petals are 1-1.5 mm high. The fruit are round and 5-8 mm across. There are 2 subspecies based on the hairiness of the branches.
Higher elevations in mountainous regions. Mixed forests, open slopes of grasslands, shrubby areas, hillsides; at elevations from 100-1,900 metres. Ssp papilligera is found on margins of mixed forests and swamps up to 3,000 metres.
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A tropical plant. They grow in S China. It grows between 100-2,000 m above sea level. In Yunnan.
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