This name is a synonym of Dioscorea preussii Pax.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 239961) with original publication details: Bull. Jard. Bot. État 4: 316 1914.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:317797-1.
This name was in version 1 of The Plant List, record kew-239961.