Sagittaria ambigua, the Kansas arrowhead, is an aquatic plant species native to North America. It is a perennial herb growing up to 90 centimetres (3 feet) tall. The leaves are broadly lanceolate, the blade up to 20 cm (8 in) long and 12 cm (4+1⁄2 in) wide.

It can be found in the central United States (Indiana, Illinois, Arkansas, Missouri, Kansas and Oklahoma) growing in wet areas, mostly along the shores of ponds and waterways.

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