water shamrock

Thesaurus

Noun

1.

water shamrock - 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 surfacebog myrtle, bogbean, buckbean, marsh trefoil, Menyanthes trifoliatagenus Menyanthes, Menyanthes - the type genus of the Menyanthaceae; one species: bogbeansaquatic 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