balloon flower(redirected from Campanula Grandiflora)
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A perennial plant (Platycodon grandiflorus) native to East Asia, having large balloon-shaped buds and usually blue star-shaped flowers, and cultivated as an ornamental.
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|Noun||1.||balloon flower - fragrant puffed-up white to reddish-pink flowers in long narrow clusters on erect stems; Arizona to New Mexico and Utah|