Climbing shrubs, small, deciduous. Floral branchlets densely ferruginous velutinous, lenticels subconspicuous, two-year-old branches glabrous, lenticels inconspicuous; pith brown, lamellate. Petiole 0.8-2 cm, densely ferruginous velutinous; leaf blade abaxially glaucous, adaxially green, elliptic-ovate to elliptic-lanceolate, 4-7 × 2-3 cm, papery, abaxially densely appressed stellate with very short, grayish hairs, adaxially glabrous to very sparsely glandular-puberulent, midvein and lateral veins conspicuous abaxially, inconspicuous adaxially, lateral veins 5 or 6 pairs, reticulate veinlets and transverse veins inconspicuous abaxially, base cuneate to obtuse, margin serrulate on upper parts, apex acuminate to shortly acuminate. Inflorescences cymose, 2-branched, to 7-flowered, densely ferruginous velutinous; peduncles 3-6 mm; pedicels 2-4 mm; bracts linear, 1-1.5 mm. Flowers greenish. Sepals 3-5, ovate to oblong, 3-4 mm, abaxially ferruginous puberulent, adaxially sparsely puberulent. Petals 5, oblong to spatulate-obovate, 4-5.5 mm. Filaments 1-4 mm; anthers yellow, oblong, 1-1.5 mm. Ovary subglobose to ovoid, ca. 1.5 mm in diam., densely ferruginous tomentose; styles ca. 1.5 mm. Fruit ovoid, small, 8-10 mm, glabrous, lenticels pale brown; persistent sepals reflexed. Seeds 1.5-1.8 mm. Fl. May-Jun, fr. Nov. 2n = 58*.
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A climbing shrub. It grows up to 20 m long. It loses its leaves during the year. The leaves are sword shaped. They are 4-7 cm long by 2-3 cm wide. The flowering branches have rusty hairs. The fruit is very small, about 10 mm x 7 mm.
It is a subtropical plant. It grows naturally in SE China on mountain slopes or along river banks between 200-600 metres in S Zheijiang, S Guangxi, Fujian and N Guangdong Provinces.
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Sparse forests, forest margins, tall grassy thickets, on mountain slopes or along river banks, at elevations from 200-800 metres.
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