heterotypic synonyms:
Rhododendron macrosmithii Davidian; Rhododendron smithii Nutt. ex Hook.;
protologue: Notes Roy. Bot. Gard. Edinburgh 9: 213 (1916)
6 875719 Rhododendron argipeplum Balf. f. & R.E. CooperJ. Paxton, Paxton’s Mag. Bot., vol. 9 : p. 79 (1839) [S. Holden]
6 875719 Rhododendron argipeplum Balf. f. & R.E. CooperL.B. Van Houtte, Fl. Serres, vol. 1 : p. 45 (1845) [n.a.]
6 875719 Rhododendron argipeplum Balf. f. & R.E. CooperW. Curtis, Bot. Mag., vol. 85 [ser. 3, vol. 15]: t. 5120 (1859) [W.H. Fitch]