In ancient times, Toona sinensis was called Toona sinensis and Ailanthus altissima was called Ailanthus altissima. People in China have long been used to eating Toona sinensis, which has spread all over the country since the Han Dynasty. Toona sinensis bud is nutritious and has dietotherapy effect, which is mainly used to treat exogenous wind-cold, rheumatic joint pain, stomachache, dysentery and so on.

The root has two layers of bark, also known as white bark of Toona sinensis, which is native to China and distributed in the north and south of the Yangtze River, belonging to Meliaceae. Deciduous tree, dioecious, leaves with even pinnate compound leaves, panicles, white bisexual flowers, oval capsules, winged seeds, and seeds can be reproduced. The height of the tree is not only edible for Toona sinensis buds, but also the first choice for landscaping.

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Toona sinensis likes temperature, which is suitable for cultivation in areas with average temperature of 8- 10℃, and its cold resistance increases with seedling age. One-year-old seedlings planted directly may be frozen at about-65438 00℃.

Toona sinensis likes light and is more resistant to moisture. It is suitable for growing in fertile and moist soil around rivers and houses, and sandy loam is generally better. The suitable soil pH value is pH 5.5-8.0.

Different varieties of Toona sinensis have different characteristics. The crown of Toona sinensis is generally open, the bark is grayish brown, the spores are purplish brown, the first buds are purplish red, shiny and fragrant, with less fiber and more oil; Toona sinensis, erect crown, blue or greenish brown bark, slightly fragrant and less oily.

Baidu encyclopedia-Toona sinensis