hydrilla

Noun hydrilla has 1 sense

• hydrilla(n = noun.plant) hydrilla verticillata - submersed plant with whorled lanceolate leaves and solitary axillary flowers; Old World plant naturalized in southern United States and clogging Florida's waterways;
is a member of genus hydrilla
is a kind of aquatic plant, hydrophyte, hydrophytic plant, water plant