This image was acquired from
flickr. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
outdoor tree plant Aesculus hippocastanum is large deciduous synoecious tree commonly known as horsechestnut or conker tree. Aesculus hippocastanum grows to metres ft tall with domed crown of stout branches on old trees the outer branches often pendulous with curledup tips. The leaves are opposite and palmately compound with leaflets