This name is a synonym of Escallonia tucumanensis Hosseus.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Symb. Fl. Argent. 142 1879.
This name was in version 1 of The Plant List, record kew-2801902, and has not been changed.