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Related to Azaleastrum: Rhododendron ferrugineum
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|Noun||1.||Azaleastrum - group of evergreen or deciduous shrubs formerly considered a separate genus; now included in the genus Rhododendron|
dilleniid dicot genus - genus of more or less advanced dicotyledonous trees and shrubs and herbs
genus Rhododendron - large genus of evergreen shrubs native to cooler regions of the northern hemisphere having showy flowers
azalea - any of numerous ornamental shrubs grown for their showy flowers of various colors