This name is a synonym of Syzygium jambos (L.) Alston.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 454379) with original publication details: Fl. Indo-Chine 2: 835 1921.
This name record (from WCSP) was not included in version 1 of The Plant List. It is possible the same name was included from a different data source, to check this you can search for Eugenia jambos in version 1 of The Plant List.