water hyacinth

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water hyacinth

A water hyacinth floats on the calm surface of a pond.

Definition

Noun: * A tropical floating aquatic plant: A free-floating freshwater plant native to tropical and subtropical South America. It is characterized by thick, glossy, rounded leaves that form a rosette, and it produces a showy spike of lavender to pink flowers with a distinctive yellow spot. * An invasive species: Known for its extremely rapid growth rate, it forms dense mats on the surface of waterways. These mats block sunlight, deplete oxygen, and impede navigation, making it a serious ecological and economic problem in many parts of the world.

Examples
  • Noun:
    • The canal was completely choked with water hyacinth.
    • Scientists are studying biological controls for the water hyacinth.
    • Despite its beautiful flower, the water hyacinth is a notorious invasive species.
Advanced Usage
  • As a subject of environmental management: The term is frequently used in contexts discussing invasive species control, wetland ecology, and water resource management.
    • The cost of managing water hyacinth infestations runs into millions of dollars annually.
  • In bioremediation: Research explores using water hyacinth to absorb pollutants from contaminated water, turning a problem into a potential solution.
    • The project uses water hyacinth for the phytoremediation of heavy metals.
Variants and Related Words
  • Scientific name: .
  • Common names: Nile lily, floating water hyacinth.
  • Related ecological terms: Invasive aquatic weed, macrophyte, floating mat.
Synonyms
  • Invasive aquatic plant
  • Floating weed (Note: This is a more general descriptive term, not a true botanical synonym.)
Idioms and Fixed Phrases
  • Choked with water hyacinth: A common descriptive phrase for waterways severely affected by this plant.
    • The once-navigable river is now choked with water hyacinth.
  • Water hyacinth infestation: The standard term for a severe overgrowth of this plant in an ecosystem.
    • The lake is suffering from a severe water hyacinth infestation.
water hyacinth

A water hyacinth floats on the calm surface of a pond.

Noun
  1. a tropical floating aquatic plant having spikes of large blue flowers; troublesome in clogging waterways especially in southern United States

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