This name is a synonym of Gymnanthera cunninghamii (Benth.) P.I.Forst..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: J. Adelaide Bot. Gard. 10: 113 1987.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:932271-1.
This name was in version 1 of The Plant List, record kew-2835352, and has not been changed.