Ohio Buckeye
Ohio’s namesake tree is a small-to-medium woodland understory species recognized by five leaflets, upright yellow-green flower clusters, and mahogany seeds marked with a pale eye.
Artwork inspired by Edna Boies Hopkins
Ohio buckeye favors moist, rich soils along streams, ravines, and lower slopes, especially in the Ohio River drainage. Its palmately compound leaves usually carry five leaflets and emerge early, sometimes scorching or dropping by late summer. Upright spring flowers feed pollinators; leathery husks later split around the smooth brown seeds that gave Ohioans their enduring nickname.
Identification requires more than finding a brown nut. Compare opposite branching, five leaflets, large sticky buds, and the seed’s broad pale scar. Every part contains glycosides that can be toxic when eaten, so buckeyes are not chestnuts and should never be sampled. Enjoy fallen seeds visually where collecting is permitted, but leave them in protected natural areas where they remain part of the forest cycle.
- State symbol
- Ohio state tree
- Leaf pattern
- Usually five palmate leaflets
- Safety
- Seeds and other parts are toxic if eaten
Quick guide
- Count the leaflets
- Most leaves spread five toothed leaflets like fingers from one point.
- Check the branching
- Twigs and leaves grow opposite one another, unlike many woodland trees.
How to recognize Ohio’s namesake tree safely
- Count the leaflets
- Most leaves spread five toothed leaflets like fingers from one point.
- Check the branching
- Twigs and leaves grow opposite one another, unlike many woodland trees.
- Find the pale eye
- The glossy seed carries a large tan scar—but is poisonous if eaten.
- Expect early decline
- Leaves may yellow or drop before neighboring trees in dry late summer.
Good to know
Buckeye seeds are not edible chestnuts. Do not taste them or let children or pets chew them. Collecting is prohibited in many parks and preserves; photograph the seed and leave it where it falls.
Notice these
- Five-part leaves
- Upright yellow-green flower clusters
- Glossy brown seed with pale scar