This name is a synonym of Dioscorea polygonoides Humb. & Bonpl. ex Willd..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 240697) with original publication details: Enum. Pl. 3: 354 1841.
This name was in version 1 of The Plant List, record kew-240697, and has not been changed.