Quercus Variabilis, also known as Chinese cork oak, is a species of tree that is native to China. It is a deciduous tree that can grow up to 20 meters tall and has a grayish-brown bark that peels off in rectangular pieces. Some synonyms for this tree include the following - ring-cupped oak, Henan white oak, and Lu Shan oak. These other names reflect the different regions or characteristics of the tree. Regardless of the name, Quercus Variabilis is known for its durable and versatile wood, which has been used for furniture, flooring, and even boat building.