This name is a synonym of Cynanchum paniculatum (Bunge) Kitag. ex H.Hara.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Rep. Inst. Sci. Res. Manchoukou 3(App. 1): 363 1939.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:96165-1.
This name was in version 1 of The Plant List, record kew-2751027.