This name is a synonym of Gymnosporia polyacanthus Szyszył..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Enum. Pl. Afric. Austral 122 1835.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:160522-1.
This name was in version 1 of The Plant List, record kew-2707723.