Clematis alsomitrifolia Hayata; C. chinensis Osbeck var. uncinata (Champion ex Bentham) Kuntze; C. drakeana H. Léveillé & Vaniot; C. floribunda (Hayata) Yamamoto; C. gagnepainiana H. Léveillé & Vaniot; C. uncinata var. biternata W. T. Wang; C. uncinata var. floribunda Hayata.

Leaflet blades subleathery to papery, abaxially glaucous and reticulate. Sepals 10--15 × 2--3.8(--5) mm. Ovaries and achenes glabrous. Fl. Jun--Jul, fr. Jul--Sep.

Forest margins, scrub, along streams; 100--2500 m. S Anhui, Fujian, S Gansu, Guangdong, Guangxi, Guizhou, Hunan, S Jiangsu, Jiangxi, S Shaanxi, Sichuan, Taiwan, SE Yunnan, Zhejiang [S Japan, Vietnam].