hydrilla

• Plante aquatique submergée à feuilles lancéolées verticillées et fleurs axillaires solitaires, originaire de l'Ancien Monde et naturalisée dans le sud des États-Unis, où elle peut obstruer les voies navigables.

A submersed aquatic plant with whorled, lanceolate leaves and solitary axillary flowers, native to the Old World and naturalized in the southern United States, where it can clog waterways.

1. C1formalscientific

   A submersed aquatic plant with whorled, lanceolate leaves and solitary axillary flowers, native to the Old World but naturalized in parts of the United States, where it can become invasive and clog waterways.

   Hydrille verticillée

   • Hydrilla grows rapidly in warm, shallow waters.
   • The hydrilla infestation has clogged many canals in Florida.
   • Efforts to control hydrilla include biological and chemical methods.