Photo: Rhododendron macrophyllum.

Flowering plant. Mt. Hood Nat'l Forest, OR, US. Wild. 1998-06-01.
Rhododendron macrophyllum D. Don ex G. Don Engl.: Pacific rhododendron, California rhododendron, California rose bay. Bot. syn.: Rhododendron californicum Hook.
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Photo: Rhododendron macrophyllum.