⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2751660, with some changes.
This name is a synonym of Cynanchum racemosum var. unifarium .
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Ann. Missouri Bot. Gard. 28: 210 1941.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:74243-2
.