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Noun: water orchid
  1. A tropical floating aquatic plant having spikes of large blue flowers; troublesome in clogging waterways especially in southern United States
    - water hyacinth, Eichhornia crassipes, Eichhornia spesiosa

Derived forms: water orchids

Type of: aquatic plant, hydrophyte, hydrophytic plant, water plant

Part of: Eichhornia, genus Eichhornia