This name is a synonym of Dioscorea pentaphylla L..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 240076) with original publication details: Gard. Dict. ed. 8 6 1768.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:317905-1.
This name was in version 1 of The Plant List, record kew-240076, and has not been changed.