⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-12303883, and has not been changed.
This name is a synonym of Rhododendron augustinii subsp. chasmanthum (Diels) Cullen.
The record derives from Tropicos which reports it as a synonym (record 12303883) with original publication details: Rhododendrons Magnolias Camellias 1974: 47 47 1974.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:332548-1.