Rhododendron calophytum Franch. var. openshawianum (Rehder & E.H.Wilson) D.F.Chamb.
Synonym(s):
Rhododendron openshawianum Rehder & E.H.Wilson
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.98
  • Cullen, J. & D.F. Chamberlain 1979. A preliminary synopsis of Rhododendron: II. in Notes from the Royal Botanic Garden Edinburgh 37(2): 327-378 p.330