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Related to wild hydrangea: smooth hydrangea
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|Noun||1.||wild hydrangea - deciduous shrub with creamy white flower clusters; eastern United States|
genus Hydrangea - type genus of Hydrangeaceae; large genus of shrubs and some trees and vines with white or pink or blue flower clusters; sometimes placed in family Saxifragaceae
hydrangea - any of various deciduous or evergreen shrubs of the genus Hydrangea