⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-12305003, and has not been changed.
This name is a synonym of Rhododendron chamaethomsonii var. chamaethauma (Tagg) Cowan & Davidian.
The record derives from Tropicos which reports it as a synonym (record 12305003) with original publication details: Sp. Rhodod. 514 514 1930.