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Trapa natans

Submitted by Linda Rohleder on Thu, 02/26/2015 - 13:27


Aquatic Plant
Species (Common): 
Water Chestnut

Trapa natans: water chestnut

Plant Identification:

  • Growth form: annual aquatic plant with a submerged stem that anchors into the mud and extends upward to the surface of the water and can grow in depths up to 12 feet
  • Leaf: rosette of floating leaves at the surface with saw-tooth margins, triangular in shape and connect to an inflated petiole which provides buoyancy
  • Flowers: four petaled and white
  • Fruit: a nut with 4 .5 inch barbed spines that can remain viable for up to 12 years

For more information about water chestnut plant identification, please visit:

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