Function and Brief Introduction of Toona sinensis

1, economic value

Ailanthus altissima is tough, straight in texture, shiny and easy to process, which is an excellent material for building and furniture making. Ailanthus altissima wood fiber is long and is a high-quality raw material for papermaking. Toona sinensis leaves can be fed to silkworms, and silk can be woven into Toona sinensis silk. In landscape application, Ailanthus altissima is used as the rootstock for grafting Ailanthus altissima.

2. Landscaping

The trunk of Ailanthus altissima is straight and tall, with purple leaves in spring and red fruits in autumn. It is a good ornamental tree and street tree. It can be planted alone, in clumps or mixed with other tree species, and is suitable for greening in factories and mining areas. Lush leaves, purple leaves in spring and red winged fruit trees in autumn are all quite beautiful. In India, Britain, France, Germany, Italy and the United States, they are often used as street trees. , and highly appreciated, become a paradise tree. ?

3. Medicinal value

Other uses of Ailanthus altissima The bark, root bark and fruit of Ailanthus altissima can be used as medicine, which has the functions of clearing away heat and promoting diuresis, stopping stranguria, stopping diarrhea and stopping bleeding. According to TCM literature, Ailanthus altissima is "less toxic" and only used for external washing of decoction. Ailanthus altissima leaves are inedible. ?

4. Environmental protection value

Ailanthus altissima is the main afforestation pioneer tree species in loess hilly and rocky mountainous areas in northern China. Ailanthus altissima has the advantages of fast growth, strong adaptability, easy reproduction, few pests and diseases, excellent material, wide application and drought resistance, and is the main afforestation pioneer tree species in loess hilly and rocky mountainous areas in northern China.

Ailanthus altissima is a good tree species for greening in industrial and mining areas. Ailanthus altissima has strong smoke resistance and strong resistance to sulfur dioxide, chlorine, hydrogen fluoride, nitrogen dioxide and so on, which are mainly discharged from industrial and mining areas.

Second, the introduction of Toona sinensis

Ailanthus altissima, a deciduous tree of Ailanthus altissima, Araceae, whose bark is gray to gray-black, was originally named chū, also known as Ailanthus altissima and Ailanthus altissima, and was named after the smell emitted from the glandular points at the base of leaves. It is native to the northeast, central and Taiwan Province provinces of China. Growing in a mild climate. This kind of tree grows rapidly and can reach the height of15m in 25 years. This species has a short life span, and rarely survives for more than 50 years.

The plant height can reach 25 meters (82 feet) and the trunk diameter can reach 70 centimeters (28 inches); Even or odd pinnate compound leaves, 50 ~ 70 cm (20 ~ 28 inches) long and 30 ~ 40 cm wide (12 ~ 16 inches); The leaves are about 9 ~ 15 cm (3.5 ~ 5.9 inches) long and 2.5 ~ 4 cm (0.98 ~ 1.57 inches) wide, with about 10 ~ 22 leaflets, and the leaves are entire or have shallow teeth.

The tender buds of Toona sinensis are purplish red or reddish brown with special fragrance. The flowering period is July every year, with small white flowers with panicles growing at the top, 5 bisexual flowers each, and sparse branches. After flowering, it bears golden oval fruit. When the Toona sinensis fruit matures, it cracks and the oval seeds fall to the ground.

From the appearance, Toona sinensis and Ailanthus altissima are very similar, but the leaves smell different; In addition, the bark of Toona sinensis is rough and Ailanthus altissima is smooth.