Rhododendron occidentale (Torrey & A. Gray) A. Gray [ Azalea occidentalis Torrey & A. Gray]

Rhododendron occidentale (Torrey & A. Gray) A. Gray [ Azalea occidentalis Torrey & A. Gray]

no HD illustration available (m1) — Rhododendron occidentale (Torrey & A. Gray) A. Gray
[Azalea occidentalis Torrey & A. Gray] [Ericaceae]
L.B. Van Houtte, Fl. Serres, vol. 14 (Journal Général d’Horticulture): (1845)