Water chestnut

Trapa natans -- Center for Aquatic and Invasive Plants

Trapa natans

Not Present in Florida

water chestnut

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This species is on the FL DACS Prohibited Aquatic Plant List – 5B-64.011. According to Florida Statute 369.25, “No person shall import, transport, cultivate, collect, sell, or possess any noxious aquatic plant listed on the prohibited aquatic plant list established by the department without a permit issued by the department.” See 5B-64.011 for more information.



    This plant does not occur in Florida. However it is a noxious invasive in other parts of the U.S. It is present in Delaware, Virginia, Maryland, Massachusetts, Pennsylvania, New Jersey, New York and Vermont (Kartesz, 1999). It is native to Eurasia.

    Water chestnut features a rosette of floating, fan-shaped leaves, each leaf having a slightly inflated petiole (stem); the roots are fine, long and profuse; the small 4-petalled flower is white; the fruit is a large nut having 4 sharp spines.