duckweed

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duckweed

duckweed any plant of the genus Lemna and sometimes of related genera. Duckweeds are tiny floating or submerged aquatic plants with reduced or obsolete roots. They flower only rarely, and their flowers are small and inconspicuous. Duckweeds grow in freshwater throughout most of the world. They are classified in the division Magnoliophyta , class Liliopsida, order Arales, family Lemnaceae.

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duckweed

World Encyclopedia | 2005 | © World Encyclopedia 2005, originally published by Oxford University Press 2005. (Hide copyright information) Copyright

duckweed Family (Lemnaceae) of four genera including 25 species of tiny, floating, aquatic flowering plants. The disc-like leaflets have a single 15cm (6in) trailing root.

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duckweed

The Oxford Pocket Dictionary of Current English | 2009 | © The Oxford Pocket Dictionary of Current English 2009, originally published by Oxford University Press 2009. (Hide copyright information) Copyright

duck·weed / ˈdəkˌwēd/ • n. a tiny aquatic flowering plant (family Lemnaceae, esp. the genus Lemna) that floats in large quantities on still water.

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