This name is a synonym of Rhododendron ovatum (Lindl.) Planch. ex Maxim..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50060646) with original publication details: J. Sichuan Univ., Nat. Sci. Ed. 1984(1): 96 1984.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:1017239-1.
This name was in version 1 of The Plant List, record tro-50060646.