This name is a synonym of Dioscorea subhastata Vell..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 11000616) with original publication details: Bull. Herb. Boissier, sér. 2, 3(2 ab): 1112 1903.
This name was in version 1 of The Plant List, record tro-11000616.