<Tr> <Th> Design </Th> <Td> Guidon consisting of 5 horizontal stripes alternating between red and white . The chevron is azure containing a white and red "O" and 17 white stars . </Td> </Tr> <Tr> <Th> Designed by </Th> <Td> John Eisenmann </Td> </Tr> <P> The Ohio Burgee is the official flag of the U.S. state of Ohio . Ohio's swallowtail flag is the only non-rectangular U.S. state flag . Its red, white, and blue elements symbolize the state's natural features and order of admission into the Union . A prominent disc in the flag's triangular canton is suggestive of the state's name . </P> <P> The flag was designed in 1901 by John Eisenmann for the Pan-American Exposition and adopted in 1902 . Before that, for nearly a century after statehood, Ohio did not have a legally - authorized state flag . One unsuccessful proposal called for a design based on the state seal . </P>

What is the shape of the ohio flag called