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 65819) with original publication details: Mem. Torrey Bot. Club 4: 219 1893.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:78412-1.
This name was in version 1 of The Plant List, record kew-65819, and has not been changed.