| Meaning | Any shrub of the genus Rhododendron: evergreen shrubs or small shrubby trees having leathery leaves and showy clusters of campanulate (bell-shaped) flowers. |
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| Member of | genus Rhododendron | large genus of evergreen shrubs native to cooler regions of the northern hemisphere having showy flowers |
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| Narrower | azalea | Any of numerous ornamental shrubs grown for their showy flowers of various colors |
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| coast rhododendron, Rhododendron californicum | medium-sized rhododendron of Pacific coast of North America having large rosy brown-spotted flowers |
| rosebay, Rhododendron maxima | late-spring-blooming rhododendron of eastern North America having rosy to pink-purple flowers |
| swamp azalea, swamp honeysuckle, white honeysuckle, Rhododendron viscosum | shrub growing in swamps throughout the eastern United States and having small white to pinkish flowers resembling honeysuckle |
| Broader | shrub, bush | A low woody perennial plant usually having several major stems |
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| Spanish | rhododendron, rododendro |
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| Catalan | rododèndron |
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