This name is a synonym of Syzygium elegans (Brongn. & Gris) J.W.Dawson.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 34681) with original publication details: Bull. Soc. Bot. France 12: 184 1865.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:592141-1.
This name was in version 1 of The Plant List, record kew-34681, and has not been changed.