Quercus bark is the outer covering of trees belonging to the Quercus genus commonly known as oak trees. It is characterized by its rugged and deeply furrowed texture which varies in appearance depending on the species and age of the tree. The color of Quercus bark ranges from light gray to dark brown often becoming darker and more textured as the tree matures. The bark serves as a protective layer shielding the tree from environmental stressors such as pests and diseases. In addition to its protective role Quercus bark has been historically utilized for various purposes including tanning leather due to its high tannin content and as a source of cork in some species like Quercus suber. Its distinctive appearance and functional properties make Quercus bark a notable feature of oak trees.
