This name is a synonym of Rhododendron latoucheae Franch..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50101115) with original publication details: Guihaia 15(3): 205 1995.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:985305-1.
This name was in version 1 of The Plant List, record tro-50101115.