Rhododendron ambiguum Hemsl.
Synonym(s):
Rhododendron chengshienianum W.P.Fang
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.85
  • Hemsley, W.B. 1911. in Curtis's Botanical Magazine 137: t.8400, p.t.8400, FlagO