genus Pistia

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Noun1.genus Pistia - one species: water lettuce
liliopsid genus, monocot genus - genus of flowering plants having a single cotyledon (embryonic leaf) in the seed
Araceae, arum family, family Araceae - anthurium; calla lily; jack-in-the-pulpit; philodendron
pistia, Pistia stratiotes, Pistia stratoites, water cabbage, water lettuce - pantropical floating plant forming a rosette of wedge-shaped leaves; a widespread weed in rivers and lakes
References in periodicals archive ?
What was even more surprising was to learn that based on recent chloroplast-and mitochondrial-DNA analyses and fossil records, the origin of the water lettuce genus Pistia was probably western Europe (Germany), and not the Americas as previously thought.