Aesculus glabra

The tree species Aesculus glabra is commonly known as Ohio buckeye, American buckeye, or fetid buckeye. Glabra is one of 13–19 species of Aesculus also called horse chestnuts.

It is native primarily to the Midwestern and lower Great Plains regions of the United States, extending southeast into the Nashville Basin. It is also found locally in the extreme southwest of Ontario, on Walpole Island in Lake St. Clair, and in isolated but large populations in the South (Adams County, Mississippi). It is a medium-sized deciduous tree growing to 15 to 25 metres (49 to 82 ft) tall.