Wolffiella

Từ điển Oxford Learners Wordfinder Dictionary

noun

minute rootless aquatic herbs having flat fronds floating on or below the water surface and bearing 1-2 flowers per frond;
America and Africa
• Syn:
genus Wolffiella
• Hypernyms:
monocot genus, liliopsid genus
• Member Holonyms:
Lemnaceae, family Lemnaceae, duckweed family
• Member Meronyms:
mud midget, bogmat, Wolffiella gladiata