⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-8501483, with some changes.
This name is a synonym of Calystegia occidentalis subsp. fulcrata .
The record derives from Tropicos which reports it as a synonym (record 8501483
) with original publication details: Proc. Amer. Acad. Arts 11: 90 90 1876.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:64569-2
.