This name is a synonym of Rhododendron edgeworthii Hook. f..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 12303775) with original publication details: Bull. Soc. Bot. France 34: 281 1887.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:332058-1.
This name was in version 1 of The Plant List, record tro-12303775, and has not been changed.