heterotypic synonyms:
Rhododendron heftii Davidian;
protologue: Rhododendron Sikkim Himalaya 1: , pl. 5 (1849)
2 877900 Rhododendron wallichii Hook.f.J.D. Hooker, Rhododendr. Sikkim-Himalaya: t. 5 (1849) [J.D. Hooker]
58 877900 Rhododendron wallichii Hook.f.W. Curtis, Bot. Mag., vol. 82 [ser. 3, vol. 12]: t. 4928 (1856) [W.H. Fitch]