wolffia

English Thesaurus

1. minute rootless aquatic herbs having globular fronds floating on or near the water surface and bearing one flower per frond (noun.plant)

hypernym	:	liliopsid genus, monocot genus,
definition	:	genus of flowering plants having a single cotyledon (embryonic leaf) in the seed (noun.plant)

member holonym	:	watermeal,
definition	:	any of various aquatic plants of the genus Wolffia; throughout warmer regions of the world (noun.plant)

member meronym	:	duckweed family, family lemnaceae, lemnaceae,
definition	:	family of small free-floating thalloid plants (noun.plant)