⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50156513, and has not been changed.
This name is a synonym of Rhododendron cinnabarinum var. roylei (Hook. f.) Hutch..
The record derives from Tropicos which reports it as a synonym (record 50156513) with original publication details: Rhododendron Sikkim Himalaya 1: , pl. 7 1849.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:333254-1.