⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-12303993, with some changes.
This name is a synonym of Rhododendron orthocladum var. orthocladum .
The record derives from Tropicos which reports it as a synonym (record 12303993
) with original publication details: Gard. Chron. 93: 334 334 1933.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:332881-1
.