This name is a synonym of Rhododendron kwangsiense Hu ex P.C. Tam.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50060832) with original publication details: Guihaia 3(3): 178 1983.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:917989-1.
This name was in version 1 of The Plant List, record tro-50060832.