Sagittaria ambigua, the Kansas arrowhead, is an aquatic plant species native to North America. It is a perennial herb growing up to tall. The leaves are broadly lanceolate, the blade up to long and wide.Smith, Jared Gage. 1894. North American Species of Sagittaria and Lophotocarpus 22–23, plate 17, Sagittaria ambiguaGreat Plains Flora Association. 1986. Flora of the Great Plains i–vii, 1–1392. University Press of Kansas, Lawrence, Sagittaria ambigua.Gleason, H. A. & A.J. Cronquist. 1968. The Pteridophytoa, Gymnospermae and Monocotyledoneae. 1: 1–482. In H. A. Gleason, New Britton and Brown Illustrated Flora of the Northeastern United States and Adjacent Canada, ed. 3, New York Botanical Garden, New York.
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.Biota of North America Program 2014 county distribution map Image
References
External links Photo of herbarium specimen at the Missouri Botanical Garden, Sagittaria ambigua, collected in Missouri Altervista flora Italiana, Kansas arrowhead - Sagittaria ambigua Oklahoma Biological Survey, Wetland and Aquatic Plants of Oklahoma