This name is a synonym of Rhododendron henryi Hance.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50060717) with original publication details: Guihaia 3(3): 184, f. 6 1983.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:902935-1.
This name was in version 1 of The Plant List, record tro-50060717.