Lemna

Từ điển WordNet v3.1 - WordNet Dictionary

noun

minute aquatic herbs floating on or below the water surface of still water consisting of a leaflike frond or plant body and single root
• Syn:
genus Lemna
• Hypernyms:
monocot genus, liliopsid genus
• Member Holonyms:
Lemnaceae, family Lemnaceae, duckweed family
• Member Meronyms:
common duckweed, lesser duckweed, Lemna minor, star-duckweed, Lemna trisulca