Meaning of MARSH TREFOIL

WordNet Dictionary
	Definition:		[n]  perennial plant of Europe and America having racemes of white or purplish flowers and intensely bitter trifoliate leaves; often rooting at water margin and spreading across the surface
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	Synonyms:		bog myrtle, bogbean, buckbean, Menyanthes trifoliata, water shamrock
	See Also:		aquatic plant, genus Menyanthes, hydrophyte, hydrophytic plant, Menyanthes, water plant