This name is a synonym of Dioscorea quartiniana A.Rich..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 239835) with original publication details: Fl. Bogos. 83 1886.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:317700-1.
This name was in version 1 of The Plant List, record kew-239835.