Definition

1. Noun:
   • A tropical floating aquatic plant: Eichhornia crassipes is a free-floating perennial aquatic plant native to tropical and subtropical South America.
   • Characterized by spikes of large blue flowers: It is known for its attractive, showy lavender to blue flowers with a yellow spot on the uppermost petal.
   • An invasive species: It is notorious for its rapid growth and ability to form dense mats on the surface of water bodies, often clogging waterways and disrupting ecosystems.

Usage Examples

• Noun:
  • The rapid spread of Eichhornia crassipes has become a major environmental concern in many tropical regions.
  • Scientists are studying biological controls to manage infestations of Eichhornia crassipes.
  • Despite its beautiful flowers, Eichhornia crassipes is considered one of the world's worst aquatic weeds.

Advanced Usage

• In ecological contexts: The term is used to discuss invasive species biology, water management, and ecological restoration.
  • The cost of controlling Eichhornia crassipes in affected waterways runs into millions of dollars annually.
• In horticultural contexts: Sometimes referenced for its ornamental flowers in controlled garden ponds, though with strong cautions about its invasiveness.
  • While Eichhornia crassipes is visually appealing, it is illegal to cultivate it in many jurisdictions due to its invasive potential.

Variants and Related Words

• Common name: Water Hyacinth: This is the most widely used common name for .
• Scientific synonym: (This is a reclassified scientific name for the same species).
• Related term: Invasive aquatic plant: A general category to which belongs.

Synonyms

• Water Hyacinth (Primary common name)
• Floating water hyacinth
• Nilothrium (an obsolete botanical name)

Related Phrases and Terms

• "Water hyacinth infestation": A phrase describing a severe overgrowth of this plant.
  • The lake's ecosystem was severely damaged by a water hyacinth infestation.
• "Clogging waterways": A key phrase associated with the primary negative impact of .
  • The main problem with Eichhornia crassipes is its efficiency in clogging waterways, which impedes navigation and water flow.

Notes

• The word is a scientific binomial name (genus , species ). In formal writing, it is always italicized.
• It is almost exclusively used in technical, scientific, environmental, and agricultural contexts rather than in everyday conversation, where "water hyacinth" is preferred.

Noun

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