⚠ Version 1 of The Plant List has been superseded.
This name record (from Tropicos) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Roulinia unifaria in version 1.1 of The Plant List.
This name is a synonym of Cynanchum racemosum var. unifarium .
The record derives from Tropicos which reports it as a synonym (record 2602197
) with original publication details: Rep. U.S. Mex. Bound., Botany 2(1): 160 160 1859.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:100895-1
.