This name is a synonym of Dioscorea subhastata Vell..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 240211) with original publication details: Bull. Soc. Bot. Genève 10: 387 1919.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:80832-2.
This name was in version 1 of The Plant List, record kew-240211.