This name is a synonym of Rhododendron heliolepis var. oporinum (Balf. f. & Kingdon-Ward) A.L. Chang.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50156180) with original publication details: Notes Roy. Bot. Gard. Edinburgh 10(49–50): 129–130 1917.
This name was in version 1 of The Plant List, record tro-50156180, and has not been changed.