We found 2 definitions of water lettuce from 2 different sources.
Noun |
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water lettuce - pantropical floating plant forming a rosette of wedge-shaped leaves; a widespread weed in rivers and lakes | ||
pistia, water cabbage, Pistia stratiotes, Pistia stratoites | ||
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 |