Aquatic, Wetland and Invasive Plant
Particulars and
Photographs
University of Florida, Center for Aquatic and Invasive Plants
Trapa natans
water chestnut
Non-Native in the U.S.
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.
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