heterotypic synonyms:
Rhododendron calocodon Ridley;
protologue: J. Asiat. Soc. Bengal, Pt. 2, Nat. Hist. 74: 75 (1905)
6 877186 Rhododendron pauciflorum King & GambleH.N. Ridley, Fl. Malay Penins., vol. 2(1): (Gamopetalae, pp. 1-433): p. 220 (1923) [J. Hutchinson]