Description from Flora of China
Shrubs scandent or erect, ca. 1.5 m tall. Branchlets dark brown, glabrous or sparsely puberulent. Leaves subopposite or alternate; stipules fibrous, ca. 6 mm; petiole 5-11 mm, canaliculate, densely or sparsely pubescent; leaf blade abaxially green, ovate, ovate-elliptic, or oblong, 4-10(-13) × 2-4.5 cm, papery or thinly leathery, abaxially glabrous, adaxially pubescent at first, gradually glabrescent or veins sparsely pubescent, lateral veins (6 or)7-10 pairs, veins conspicuously impressed abaxially, raised adaxially, conspicuously reticulate, base cordate or subrounded, margin shallowly serrate, apex caudate-acuminate or long acuminate, rarely acute. Flower yellow-white or white, sessile, usually 2- or 3-fascicled in terminal or axillary spicate panicles; rachis 3-6 mm, yellow tomentulose; bracts triangular-subulate, ca. 1 mm, glabrous. Calyx sparsely puberulent; sepals triangular, apex acute. Petals obovate, shorter than sepals, apex emarginate. Stamens equaling petals. Ovary 2-loculed, with 1 ovule per locule; style short, 2-lobed. Drupe black at maturity, globose, 2-loculed. Seeds yellow, broadly obovoid, flat. Fl. Jul-Nov, fr. Apr-May of following year.
● Mountain forests, thickets; 200-2000 m. N Guangdong, Guizhou, W Henan, Hubei, Hunan, Jiangxi, S Shaanxi, E Sichuan, Xizang, Yunnan.