Sagittaria ambigua

Sagittaria ambigua, the Kansas arrowhead, is an aquatic plant species native to North America. It is a perennial herb growing up to 90 cm tall. The leaves are broadly lanceolate, the blade up to 20 cm long and 12 cm 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.