Clematis angustifolia Jacquin; C. angustifolia var. breviloba Freyn; C. angustifolia var. dissecta Yabe; C. angustifolia var. longiloba Freyn; C. hexapetala var. longiloba (Freyn) S. Y. Hu; C. hexapetala var. smithiana S. Y. Hu.

Sepals abaxially velutinous.

Grassy areas, dry slopes, dunes; 100--1300 m. E Gansu, Hebei, Heilongjiang, W Henan, N Hubei, Jilin, Liaoning, Nei Mongol, Ningxia, Shaanxi, Shanxi [Korea, Mongolia, Russia (E Siberia)].