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 65786) with original publication details: Prodr. 8: 456 1844.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:78378-1.
This name was in version 1 of The Plant List, record kew-65786, and has not been changed.