Oak Tree: Botanical Characteristics and Growing Habits

Botanical Characteristics of the Oak

The oak has a graceful shape and a tower-shaped crown, can reach 24 m in height, and grows at a moderate rate. Its crown spread is 10 m, and its leaves are uniquely shaped: new leaves are bright red, mature leaves are dark green and glossy, and in September they turn orange-red, with leaf fall occurring late. The oak is the largest flowering plant in the world; its flowers are pure white, with stamens that are white tinged with red. Its lifespan is relatively long, and some have lived to 400 years. They all share common features: the leaves are bigger than a human palm and, like a hand, stretch out several thick fingers; the fruit is a nut, furry at one end and smooth at the other, attractive and good to eat, and a first-class food for fun animals such as squirrels.

Varieties of Oak

There are many kinds of oak, sixty or seventy species, with common ones including black oak, white oak, red oak, chestnut oak, and English oak, among others. Oaks are distributed in many parts of the world, but only under a specific regional condition - a Mediterranean climate - can their bark be used as cork. Portugal is known as the country on oaks.

Uses of the Oak

Landscaping. The oak has a long lifespan, and its leaves are glossy and shiny; it is the largest flowering plant in the world. The plant has strong stress resistance and adapts very well to the environment, and can be cultivated worldwide. It is an excellent landscaping material, widely planted along streets in parks and in home courtyards, providing people with cool shade and a place to admire and enjoy.

Making cork. The interior of the xylem of oak bark is filled with many honeycomb-like structures, and the inside of the honeycombs is full of air, giving it very good elasticity, making it a good material for making cork. Cork itself is very wear-resistant, and many engine cylinder gaskets in various countries now use cork as a raw material. Cork flooring is a natural material that does not damage the environment, has extremely strong sound-absorbing, heat-insulating and pressure-resistant properties, resists insect damage and moisture, and is also easy to clean and maintain; at the same time, the unique grain and elegant, beautiful color of cork make it suitable for use as a flooring material. In addition, cork resists moisture and insect damage, which can ensure that in a dark, damp wine cellar the wine will not pass away along with the years. This purely natural material is harmless to the human body, so it is widely used in the production of corks for wine and champagne, a history that already spans more than a hundred years.

Growing Habits of the Oak

The oak is native to the region of North India, Malaysia and Indonesia, and is now planted all over the world.

The oak has strong stress resistance, tolerates dryness, high temperatures and waterlogging, resists frost and urban environmental pollution, and is highly wind-resistant. It prefers well-drained soil, but can also grow in heavy clay soil.