⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-12304779, and has not been changed.
This name is a synonym of Rhododendron decorum subsp. diaprepes (Balf. f. & W.W. Sm.) T.L. Ming.
The record derives from Tropicos which reports it as a synonym (record 12304779) with original publication details: Notes Roy. Bot. Gard. Edinburgh 10(47-48): 100-101 100 1917.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:332329-1.