Ohio Buckeye 
Scientific Name: Aesculus glabra
Common Name: Ohio Buckeye, Fetid Buckeye, Marronnier Glabre
Family: Sapindaceae
Native Range: Midwestern United States; southwestern Ontario population on Walpole Island; occasional plantings in milder parts of Canada
Typical Height: 15 m (50 ft)
Maximum Recorded Height: Not specified
Trunk Diameter: ~50 cm
Growth Rate: Medium
Lifespan: 80 years
Seed Maturity: 1–2 years
Reproductive Cycle: Most years after maturity
Soil Preferences: Moist sites, river bottoms; adapts to a wide range of soils
Water Needs: Tolerates some flooding; prefers moist conditions
Hardiness Zones: 6b–7a
Fire Resistance: Low
Fire Regeneration: No special adaptation
Shade Tolerance: Moderate
Strength Rating: Moderate
Decay Resistance: Low to moderate
Pest/Disease Resistance: Susceptible to typical pests; no major diseases noted
Climate Adaptability: Can tolerate cold beyond native range; prefers temperate climates
Uses: Ornamental for rural plantings; showy late spring flowers; limited urban use, woodworking
Ecological Role: Supports wildlife; contributes to forest understory diversity
Cultural/Historical Significance: Known for unpleasant odor when bruised; historically recognized in Midwest forests
Bark: Young trees light gray; mature trees dark brown, rough, furrowed, with scaly plates
Leaves: Palmately compound with 5–7 leaflets; 6–15 cm long, taper-pointed, unevenly saw-toothed; yellowish-green above, paler and hairy beneath; orange or yellow in autumn
Flowers: 15–35 mm long, narrowly bell-shaped, yellowish-green; unpleasant odor
Fruits: 25–50 mm long, light brownish-green, blunt-spined; 1–3 seeds, 20–35 mm wide
Seeds: 20–35 mm, contained in spiny fruit
Growth Form: Small tree, broadly rounded crown; height ~15 m
Reproductive Features: Pollination by insects; flowers late spring; seed matures 1–2 years
Unique Features: Produces unpleasant odor when bruised; palmately compound leaves; showy flowers.
Foliage Details: Yellow-green, 5–7 leaflets, almost stalkless, orange/yellow in autumn
Threats: Limited urban adaptability; odor may limit planting preference
Carbon Sequestration: Moderate; small tree size limits overall sequestration