⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-12304765, and has not been changed.
This name is a synonym of Rhododendron mekongense var. melinanthum (Balf. f. & Kingdon-Ward) Cullen.
The record derives from Tropicos which reports it as a synonym (record 12304765) with original publication details: Notes Roy. Bot. Gard. Edinburgh 13(65): 292-293 292 1922.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:333326-1.