This name is a synonym of Psidium laruotteanum Cambess..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 132507) with original publication details: Myrt. Paraguay 16 1903.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:166709-2.
This name was in version 1 of The Plant List, record kew-132507, and has not been changed.