the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > flower or flowering plant > [noun] > characterized by habitat (3)
Any of various flowering plants which grow in or near water; the flower of such a plant. Also: a representation of a water flower as a decoration…
A flower growing in or by the sea. Also, an actinia or sea-anemone. Also attributive.
Chiefly poetic. A flower living in water. Now rare.