This name is a synonym of Rhododendron oreodoxa Franch..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50060070) with original publication details: Gard. Chron., ser. 3 53: 214 1913.
This name was in version 1 of The Plant List, record tro-50060070.