Climbing shrubs, mid-sized, deciduous. Branchlets glabrous; pith white, solid. Petiole 1-2.2 cm, glabrous to setose; leaf blade abaxially pale green, adaxially green, ovate to elliptic, 3-8 × 1.7-5 cm, membranous when young, leathery when mature, abaxially glabrous to strigillose on midvein, barbate in vein axils or not, adaxially glabrous, midvein and lateral veins subconspicuous abaxially, inconspicuous adaxially, lateral veins 4 or 5 pairs, base broadly cuneate to rounded, equal or oblique, margin serrate or crenate, subentire when mature, apex acute to acuminate, occasionally rounded. Inflorescences often 1-flowered; peduncles 6-7 mm; pedicels 0.9-1.5 cm; bracts linear to lanceolate, minute. Flowers white. Sepals 2 or 3, ovate to narrowly ovate, 0.6-1.2 cm, glabrous, rostrate at apex. Petals 5-12, orbicular-obovate, 1-1.5 cm. Filaments 3-7 mm; anthers yellow, ovoid, 1.5-2.5 mm, sagittate at base. Ovary bottle-shaped, 6-8 mm, glabrous; styles ca. 5 mm. Fruit orange when mature, globose to ovoid, 3-3.5 cm, glabrous, mammilliform-rostrate at apex, lenticels absent; sepals persistent or caducous. Seeds 4-5 mm, ca. 3 mm in diam. Fl. Apr-May, fr. Sep-Oct. 2n = 116*.

● Forest margins on low mountains, thickets, low mountain slopes. Anhui, Guangdong, Hubei, Jiangsu, Jiangxi, Zhejiang.