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Any of several tropical aquatic plants of the genus Eichhornia, especially the widespread species E. crassipes, originally of South America, which forms dense floating masses in rivers and lakes and has large bluish-purple flowers and leafstalks with greatly inflated bases.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Plants) a floating aquatic plant, Eichhornia crassipes, of tropical America, having showy bluish-purple flowers and swollen leafstalks: family Pontederiaceae. It forms dense masses in rivers, ponds, etc, and is a serious problem in the southern US, Australia, and parts of Africa
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a floating freshwater plant, Eichornia crassipes, related to the pickerelweed, that grows so prolifically it often hinders the passage of boats.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||water hyacinth - a tropical floating aquatic plant having spikes of large blue flowers; troublesome in clogging waterways especially in southern United States|
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