tiny white flowers under the leaflets
A seedling near an historic Ohio Buckeye sign. No larger trees of any Aesculus known nearby. I don't expect a specific ID at this time.
Sapindales (pronounced /sæpɨnˈdaɪliËÂz/) is a botanical name for an order of flowering plants. Well-known members of Sapindales include citrus; maples, horse-chestnuts, lychees and rambutans; mangos and cashews; frankincense and myrrh; and mahogany.