Quercus variabilis is a species of deciduous tree commonly known as the Chinese cork oak or the Shan oak. It belongs to the family Fagaceae and is native to eastern and central China. The tree can grow up to 30 meters in height and has distinctive corky bark with deep furrows.
The leaves of Quercus variabilis are alternate, simple, and have a lobed margin. They are typically glossy green in color during the summer but turn shades of red, orange, and brown in the autumn. The tree produces small greenish-yellow male flowers and inconspicuous female flowers that develop into acorns - hard-shelled fruits that are an important food source for wildlife.
Quercus variabilis thrives in various soil types, including loam, sand, and clay, but prefers soil that is well-drained. It can tolerate both full sun and partial shade and is fairly resistant to drought and air pollution.
This species has significant ecological value. It provides shelter, food, and nesting sites for various birds, mammals, and insects. The acorns it produces are important for wildlife such as deer, squirrels, and birds. Additionally, the wood of the Chinese cork oak is highly valued for construction and furniture making due to its strength and durability.
In conclusion, Quercus variabilis, also known as the Chinese cork oak, is a large deciduous tree native to China. Its distinctive appearance, ecological value, and quality wood make it a valuable species with both aesthetic and practical uses.
