hydrilla

• Unterwasserpflanze mit quirlständigen lanzettlichen Blättern und einzeln in den Blattachseln stehenden Blüten, ursprünglich aus der Alten Welt, die in den südlichen USA eingebürgert ist und dort Wasserwege verstopfen kann.

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.

   Hydrilla

   • 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.