This name is a synonym of Dioscorea altissima Lam..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 240454) with original publication details: Repert. Spec. Nov. Regni Veg. 22: 344 1926.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:80919-2.
This name was in version 1 of The Plant List, record kew-240454.