water willow

noun

Definition of water willow

1 : any of several plants that thrive in wet areas and are felt to resemble willows: such as
b : fireweed b
c : a plant of the genus Justicia; especially : a North American rhizomatous plant (J. americana) that has slender elongated leaves and dense capitate to elliposidal inflorescences with pale violet or white flowers
2 : any of several willows that thrive in wet areas

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