| water hyacinth n. A tropical American herb (Eichhornia crassipes) forming dense floating masses in ponds and streams and having large bluish-purple flowers and leafstalks with greatly inflated bases. |
water hyacinth
n
(Life Sciences & Allied Applications / 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
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  water hyacinth - a tropical floating aquatic plant having spikes of large blue flowers; troublesome in clogging waterways especially in southern United StatesEichhornia, genus Eichhornia - water hyacinth; water orchid aquatic plant, hydrophyte, hydrophytic plant, water plant - a plant that grows partly or wholly in water whether rooted in the mud, as a lotus, or floating without anchorage, as the water hyacinth |
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