This name is a synonym of Rhododendron sikangense W.P. Fang.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50060220) with original publication details: Rhododendron Year Book 16: 105 1961.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:332234-1.
This name was in version 1 of The Plant List, record tro-50060220.