This name is a synonym of Dioscorea bemarivensis Jum. & H.Perrier.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 240419) with original publication details: J. Linn. Soc., Bot. 29: 60 1891.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:318205-1.
This name was in version 1 of The Plant List, record kew-240419, and has not been changed.