Rhododendron tsusiophyllum Sugim.
Synonym(s):
Rhododendron tanakae (Maxim.) Ohwi
Tsusiophyllum tanakae Maxim.
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.195
  • Sugimoto 1956. in Journal of Japanese Botany 31(2): 63-64, p.64, FlagO