Quick Facts

Scientific name Colocasia esculenta
Origin India, Southeast Asia
Introduction Early 1900s, food crop
Aquatic community Emergent
Habitat Wet soils, shallow water, floating islands
Distribution Statewide
Management effort Eradicate new colonies
2014 public waters / plant acres: 276 / 368

Environmental and Economic Concerns

  • Displaces native plants, especially along shaded shorelines and in wetlands
  • One of the most widely dispersed invasive aquatic plants in Florida’s public water bodies; present in about 60%
  • Shoreline populations break loose, forming floating islands that block access, cover native plant habitat
  • roots in new areas, spreading the infestation
Colocasia esculenta Colocasia esculenta

Management Options

Biological None available
Chemical Imazamox, 2,4-D + diquat + Kinetic, glyphosate, triclopyr
Mechanical Harvest floating mats; roots fragment into new plant
Physical Hand pulling; use caution due to oxalic acid irritant in plant

Florida Fish & Wildlife Conservation Commission, Status of the Aquatic Plant Maintenance Program in Florida Public Waters, Annual Report – Fiscal Year 2009-2010.