⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2726530, with some changes.
This name is a synonym of Clematis patens C.Morren & Decne..
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Bot. Mag. (Tokyo) 24: 299 1910.