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The most beautiful tree: birch

In addition to the green leaves, the graceful birch trees in the forest are as white as frost. Some of them are also tinged with light red. Under the breeze, the branches and leaves are very lovely. It's like a beautiful and dignified girl in white.

Birch with the most beautiful trunk

Betula platyphylla is a kind of deciduous tree, with the highest height of more than 20 meters and a DBH of more than 1 meter. The reason why the tree trunk is beautiful is that it is wrapped with chalk bark. If you use a knife to cut the bark on the tree trunk, you can peel it off layer by layer. After peeling, you can peel it very big, like a piece of hard paper. You can write and draw on it. You can also use it to make all kinds of exquisite small boxes or unique crafts Interesting.

Birch's leaves are triangular and ovate, some of them are similar to rhombus, with a circle of overlapping serrations around the leaf margin. Its petioles are slightly drooping and rustling in the breeze. Birch flowers open in spring, by many small flowers gathered together, forming a column of soft inflorescence. The fruit is mature in October, small and hard. Interestingly, the fruit also has two broad wings, which can float with the wind. When it falls on the suitable sealed soil, it can take root, sprout and reproduce.

Birch belongs to birch family and birch genus in botany. There are more than 40 brothers and sisters of Betula platyphylla, about 22 of which are distributed in China, including Betula platyphylla dressed in taupe, Betula platyphylla dressed in orange or flesh red coat and Betula platyphylla with hard wood.

The bark of the hard birch is dark gray. Unlike the white birch, it can be peeled layer by layer. Its wood is heavy and sinks when it enters the water. It is known as "red sandalwood in the South and pestle elm in the north". Chuyu is another name for the birch. It can be used for axles, wheels, furniture, etc., and the bark contains tannin, which can be extracted tannin extract. Birch is distributed in the mountains of Liaoning, Hebei, Shandong, Henan, Shanxi, Shaanxi, Gansu and other provinces.

silver birch

Betula platyphylla has a famous brother. Because its wood is the hardest, it is called "iron Birch". It only grows in the area bordering China and North Korea in the northeast. It is even harder than steel, so it can be called the "world hardwood champion".

There are several varieties of Betula platyphylla itself, such as broad-leaved Betula platyphylla with broad leaf base, Qinghai Betula platyphylla with silver gray to blue bark, Sichuan Betula with white, silver gray or light red bark, etc. They are all the best of the garden trees.

Birch wood is yellowish white, with dense and straight texture, hard and elastic. It can be used to make plywood, ore pillars and for construction, papermaking, etc. In addition to extracting birch oil from bark for cosmetics and spices, it also has medicinal value.

Betula platyphylla is a temperate and cold zone tree species, which is distributed in Northeast, North China, Henan, Shaanxi, Gansu, Sichuan, Yunnan and other places. It is one of the main broad-leaved tree species in Northeast China. Especially in the Xinganling forest area, it accounts for more than a quarter of the whole forest area. It often mixes with Larch, green stem and Aspen to form a forest and coexists peacefully.

Beijing's Baihua Mountain and Dongling Mountain also have beautiful natural birch jungle, which looks like a group of girls in white are singing and dancing.