This name is a synonym of Dioscorea trifoliata Kunth.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 241059) with original publication details: Pflanzenr. IV, 43: 129 1924.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:81129-2.
This name was in version 1 of The Plant List, record kew-241059, and has not been changed.