ID: A deciduous tree with grey fissured bark and recognisably lobed leaves. You can tell it from the pedunculate or English oak by the leaf stalk, which on a sessile oak is up to 2cm long.

The leaves, bark and ... acorns of the sessile oak are stalkless. Oak is a seaworthy timber and was used to build many famous ships including HMS Victory which consumed 6,000 trees, most of ...