This name is a synonym of Mandevilla antennacea (A.DC.) K.Schum..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 7810) with original publication details: Linnaea 30: 448 1860.
This name was in version 1 of The Plant List, record kew-7810, and has not been changed.