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Any of various aquatic plants of the genus Alisma, having narrow to ovate leaves and branched panicles with whorls of small flowers.
[From plantain, because the leaves of the water plaintain resemble those of plants of the genus Plantago (the name water plantain perhaps originating as a translation of New Latin plantāgō aquātica : plantāgō, plantain + aquātica, aquatic).]
(Plants) any of several marsh plants of the genus Alisma, esp A. plantago-aquatica, of N temperate regions and Australia, having clusters of small white or pinkish flowers and broad pointed leaves: family Alismataceae
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|Noun||1.||water plantain - marsh plant having clusters of small white or pinkish flowers and broad pointed or rounded leaves|
ribbon-leaved water plantain - a variety of water plantain
narrow-leaved water plantain - a variety of water plantain