This name is a synonym of Diplopterys caduciflora (Nied.) W.R.Anderson & C.Davis.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Banisteria 2: 22 1901.
This name was in version 1 of The Plant List, record kew-2668531, and has not been changed.