I found this leaf in a neighborhood in Canton Ohio. The leaf is Palmately Compound. The veins of the leaf are opposite. I estimate that the height of the leaf is 30 ft. The bark is brown with green mold. It feels rough to the hand.
Firm, prickly green fruits with seeds inside. Leaves come from one stem 5-7 at a time. Toxic to eat. Trunk was approximately 3 feet diameter. Leaves are green with brown and yellow spots.
Whole avenue stricken with blight. Planted.
Angiosperm. Dark green leaves. Groups of (about) 5 leaflets make up one large leaf. Leaflets are serrated and very sharp. Compound growth. Growing a prickly fruit. Fruit size of golf all and color of cantaloupe. Some of the branches green. Very, very tall trunk.
Aesculus hippocastanum is a large deciduous, synoecious tree, commonly known as horse-chestnut or conker tree.