This name is a synonym of Dioscorea brachybotrya Poepp..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an invalid name (record 240575) with original publication details: Cat. Pl. Vasc. Chil. 286 1881.
This name was in version 1 of The Plant List, record kew-240575, and has not been changed.