Rhododendron sanguineum var. cloiophorum (Balf.f. & Forrest) D.F.Chamb.
Synonym(s):
Rhododendron asmenistum Balf.f. & Forrest
Rhododendron sanguineum subsp. cloiophorum (Balf.f. & Forrest) Cowan
Rhododendron sanguineum subsp. leucopetalum (Balf.f. & Forrest) Cowan