genus Spirodela
minute aquatic herbs floating on the water surface consisting of a shiny leaflike frond and 2-21 roots • Syn: Spirodela • Hypernyms: monocot genus, liliopsid genus • Member Holonyms: Lemnaceae, family Lemnaceae, duckweed family • Member Meronyms: great duckweed, water flaxseed, Spirodela polyrrhiza
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