This name is a synonym of Dioscorea madecassa H.Perrier.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 240335) with original publication details: Kew Bull. 55: 427 2000.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:1015783-1.
This name was in version 1 of The Plant List, record kew-240335.