homotypic synonyms:
Azalea pentaphylla (Maxim.) H.F.Copel.;
protologue: Bull. Acad. Imp. Sci. Saint-Pétersbourg, sér. 3 31: 64 (1887)
2 877194 Rhododendron pentaphyllum Maxim.
T. Nakai, Trees Shrubs Japan, vol. 1 : p. 70, fig. 38 [三十八] (1935-1951)
44 877194 Rhododendron pentaphyllum species Maxim.
T. Makino, Phan. Pter. Jap. Icon., vol. 1(): : t. 6 (1899-1900) [T. Makino]
Azalea pentaphylla (Maxim.) H.F.Copel.;
protologue: Bull. Acad. Imp. Sci. Saint-Pétersbourg, sér. 3 31: 64 (1887)
2 877194 Rhododendron pentaphyllum Maxim.T. Nakai, Trees Shrubs Japan, vol. 1 : p. 70, fig. 38 [三十八] (1935-1951)
44 877194 Rhododendron pentaphyllum species Maxim.T. Makino, Phan. Pter. Jap. Icon., vol. 1(): : t. 6 (1899-1900) [T. Makino]