marsh trefoil


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Noun1.Marsh trefoil - perennial plant of Europe and America having racemes of white or purplish flowers and intensely bitter trifoliate leavesmarsh trefoil - 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
genus Menyanthes, Menyanthes - the type genus of the Menyanthaceae; one species: bogbeans
aquatic plant, hydrophyte, hydrophytic plant, water plant - a plant that grows partly or wholly in water whether rooted in the mud, as a lotus, or floating without anchorage, as the water hyacinth