This name is a synonym of Dioscorea marginata Griseb..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 240042) with original publication details: Vidensk. Meddel. Naturhist. Foren. Kjøbenhavn 1875: 156 1875.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:317869-1.
This name was in version 1 of The Plant List, record kew-240042.