Rhododendron argipeplum Balf. f. & R.E. Cooper [ Rhododendron smithii Nutt. ex Hook.]
no HD illustration available (m1)
Rhododendron argipeplum Balf. f. & R.E. Cooper [Ericaceae]
W. Curtis, Bot. Mag., vol. 85 [ser. 3, vol. 15]: t. 5120 (1859) [W.H. Fitch]