Synonyms
Rhododendron cinnamomeum Wall. ex G.Don
Rhododendron campbelliae Hook.f.
Rhododendron arboreum var. album-speciosum Verschaff. ex Lem.
Rhododendron arboreum var. cinnamomeum (Wall. ex G.Don) Lindl.
Rhododendron arboreum subsp. campbelliae (Hook.f.) Tagg