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Noun: hydrilla
  1. Submersed plant with whorled lanceolate leaves and solitary axillary flowers; Old World plant naturalized in southern United States and clogging Florida's waterways
    - Hydrilla verticillata

Derived forms: hydrillas

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

Part of: genus Hydrilla

Encyclopedia: Hydrilla