Rhododendron californicum rho·do·dend·roncalifornicum uncommon noun 1. medium-sized rhododendron of Pacific coast of North America having large rosy brown-spotted flowers Synonymscoast rhododendronRhododendron californicum Related words Broader terms rhododendron WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
