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 240669) with original publication details: Pflanzenr. IV, 43: 146 1924.
This name was in version 1 of The Plant List, record kew-240669, and has not been changed.