⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2725879, with some changes.
This name is a synonym of Clematis heracleifolia DC..
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Rev. Hort. 39: 90 1867.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:709635-1.