Rhododendron × erythrocalyx Balf.f. & Forrest
Synonym(s):
Rhododendron truncatulum Balf.f. & Forrest
Rhododendron eucallum Balf.f. & Forrest
Rhododendron panteumorphum Balf.f. & W.W.Sm.
Rhododendron beimaense Balf.f. & Forrest
Rhododendron cymbomorphum Balf.f. & Forrest
Data source(s):
  • Argent, C.G.C., J. Bond, D.F. Chamberlain, P. Cox & A. Hardy 1997. The Rhododendron Handbook. The Royal Horticultural Society 352, t.16 pp., p.117
  • Balfour, I.B. 1920. New Species of Rhododendron. in Notes from the Royal Botanic Garden Edinburgh 12: 85-186, p.110, FlagO