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 119380) with original publication details: Bull. New York Bot. Gard. 8: 114 1912.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:152075-2.
This name was in version 1 of The Plant List, record kew-119380, and has not been changed.