⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2725997, and has not been changed.
This name is a synonym of Clematis populifolia .
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Ann. Sci. Nat., Bot. IV, 17: 9 1862.