Ohio buckeye
Quick Summary
The Ohio buckeye (Aesculus glabra) is a tree or shrub native to the Midwestern United States. It is the state tree of Ohio, and Ohioans are often called "buckeyes". The name comes from its seed, which resembles a deer's eye, with a shiny brown surface and a pale patch.123
The Ohio buckeye has leaves with five to seven leaflets that give off an unpleasant odor when crushed. Its seeds contain tannic acid and are poisonous to humans and cattle. The tree grows up to 70 feet tall and has twigs and leaves that yield an unpleasant odor when crushed. The red, white, and blue flag of Ohio features a red disk representing the buckeye seed.124
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