This name is a synonym of Dioscorea convolvulacea Cham. & Schltdl..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 239873) with original publication details: Linnaea 17: 109 1843.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:317735-1.
This name was in version 1 of The Plant List, record kew-239873.