water lettuce

Thesaurus

Noun

1.

water lettuce - pantropical floating plant forming a rosette of wedge-shaped leaves; a widespread weed in rivers and lakespistia, Pistia stratiotes, Pistia stratoites, water cabbagegenus Pistia - one species: water lettuceaquatic 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