Aesculus hippocastanum is a species of flowering plant in the soapberry and lychee family Sapindaceae. It is a large deciduous, synoecious tree, commonly known as horse-chestnut or conker tree.
Wikipedia https://en.wikipedia.org/wiki/Aesculus_hippocastanum
Coordinates 41°56'1.342" N -88°45'45.217" E
