Quercus petraea, commonly known as the sessile oak, is a species of oak tree native to Europe. It typically grows in well-drained soils and can reach heights of 20 to 40 meters. The tree is characterized by its broad, spreading crown and lobed leaves, which are dark green in color. This oak species is important for biodiversity, providing habitat and food for various wildlife, including birds and insects. Quercus petraea is also valued for its durable timber, which is used in furniture making and construction. Its acorns serve as a food source for animals, contributing to the ecosystem.