Climbing shrubs, mid-sized, deciduous. Branchlets densely brownish or reddish hispid; pith brown, lamellate. Petiole 2.5-6 cm, densely hispid; leaf blade broadly obovate to orbicular, 6-12 × 7-12 cm, papery, abaxially hispid on midvein and lateral veins, adaxially strigillose, hairs on midvein and lateral veins longer, midvein and lateral veins distinct and raised abaxially, sulcate adaxially, lateral veins 7 or 8 pairs, furcate at tips, reticulate veins conspicuous abaxially with cross-bars, inconspicuous adaxially, base truncate-cordatulate, margin setose-serrulate, apex truncate and emarginate or cuspidate. Inflorescences cymose, 1-3-flowered, yellowish brown tomentose; peduncles 1-1.5 cm; pedicels 7-10 mm; bractlets subulate, ca. 4 mm. Flowers white. Sepals 4, oblong-ovate, ca. 6 mm, both surfaces yellowish brown tomentose. Petals 6, obovate, ca. 1.2 cm. Filaments ca. 5 mm; anthers yellow, ovoid, ca. 1.5 mm, sagittate at base; sterile ovary globose, densely yellowish tomentose. Young fruit globose or ovoid, densely yellowish hispid. Mature fruit unknown. Fl. Jun, fr. unknown.

● Forests; 1000-2000 m. Chongqing (Chengkou, Wushan, Wuxi), Hubei (Badong).