This name is a synonym of Dioscorea subcalva Prain & Burkill.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 240972) with original publication details: in Fl. Reipubl. Popul. Sin. 16(1): 85 1985.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:924189-1.
This name was in version 1 of The Plant List, record kew-240972.