This name is a synonym of Dioscorea elephantipes (L'Hér.) Engl..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 240512) with original publication details: Syst. Veg. 4(2): 143 1827.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:318286-1.
This name was in version 1 of The Plant List, record kew-240512, and has not been changed.