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Any of various shrubs of the genus Hydrangea, having opposite leaves and large, flat-topped or rounded clusters of white, pink, or blue flowers.
[New Latin Hydrangēa, genus name : hydr(o)- + Greek angeion, vessel (from the cuplike shape of their seed capsules ); see angio-.]
(Plants) any shrub or tree of the Asian and American genus Hydrangea, cultivated for their large clusters of white, pink, or blue flowers: family Hydrangeaceae
[C18: from New Latin, from Greek hudōr water + angeion vessel: probably from the cup-shaped fruit]
n., pl. -geas.
any shrub of the genus Hydrangea, of the saxifrage family, several of which are cultivated for their large flower clusters of white, pink, or blue.
[< New Latin (Linnaeus) < Greek hydr- hydr-1 + New Latin angea, feminine n. based on Greek angeîon vessel]
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|Noun||1.||hydrangea - any of various deciduous or evergreen shrubs of the genus Hydrangea|
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 anomala, climbing hydrangea - deciduous climber with aerial roots having white to creamy flowers in fairly flat heads
Hydrangea arborescens, wild hydrangea - deciduous shrub with creamy white flower clusters; eastern United States
hortensia, Hydrangea macrophylla hortensis - deciduous shrub bearing roundheaded flower clusters opening green and aging to pink or blue
fall-blooming hydrangea, Hydrangea paniculata - deciduous shrub or small tree with pyramidal flower clusters
Hydrangea petiolaris, climbing hydrangea - deciduous climber with aerial roots having large flat flower heads
carpenteria, Carpenteria californica - California evergreen shrub having glossy opposite leaves and terminal clusters of a few fragrant white flowers
Decumaria barbara, Decumaria barbata, decumary - woody climber of southeastern United States having white flowers in compound terminal clusters
deutzia - any of various shrubs of the genus Deutzia having usually toothed opposite leaves and shredding bark and white or pink flowers in loose terminal clusters