what kind of tree is it? Is it expensive?

Lagerstroemia indica, also known as itchy flower, itchy tree, purple flower, purple orchid, mosquito flower, Myrica rubra, zingiberaceae, skinless tree, etc. , a deciduous shrub or small tree, found in southern Asia and northern Australia. Lagerstroemia indica has beautiful posture, smooth trunk and bright colors; It happens to be summer and autumn, and the flowering period is long, from June to September. Therefore, it is known as "Hundred Days Red" and "Summer Blue and White Flowers Full", and it is a good bonsai for viewing flowers, stems and roots; Roots, bark, leaves and flowers can be used as medicine.

Pharmacological action deaminoidin has antifungal effect. The concentration of killing candida albicans in vitro was 8μg/ml, and it also had an effect on diphtheria (the effective concentration was 4 μ g/ml). If diphtheria patients have fungal infection at the same time, the antibacterial effect can be significantly enhanced if deaminoidin is used with other antibiotics (such as erythromycin). Leaves and stems have some antibacterial effects, but they have not been confirmed. It is reported that seeds contain some anesthetic ingredients. Some people say that bark has exciting and antipyretic effects. Lagerstroemia indica, as an excellent ornamental tree species, is widely used in park greening, courtyard greening, road greening, block cities and so on. In practical application, it can be planted in front of buildings, courtyards, Chi Pan, rivers, lawns and on both sides of park paths. It is also a good material for making bonsai. Street trees, as greening trees of small trunk roads and expressways, can supplement oxygen, purify the air, beautify the city and reduce noise. Lagerstroemia indica has beautiful tree shape and high ornamental value, and has the functions of shading, absorbing harmful gases, reducing noise, etc. It can be widely used for street greening, cultivating Lagerstroemia indica and enriching urban colors. [4] Lagerstroemia indica, as an ornamental tree species in courtyards and public green spaces, can be cultivated into shrubs and small trees. It is used for courtyard and public green space planting, with rich colors, long flowering period and rich summer and autumn seasons. It can be planted singly, in rows or in clusters, and can also be matched with other trees and shrubs to form a colorful scene in four seasons. [4] Lagerstroemia indica, as a greening tree species in industrial and mining areas, can absorb harmful gases such as sulfur dioxide, chlorine gas, hydrogen fluoride, etc., and has the function of dust suppression. The volatile oil of flowers also has the function of disinfection, which not only beautifies the environment, but also plays an ecological and environmental protection role. [4] Solitary trees are in the garden, and solitary trees also become landscapes. Isolated trees have dual functions of viewing and shading in landscaping. Therefore, when choosing trees, we should choose majestic and unique trees that can become a landscape alone, giving people a colorful artistic sense, a fragrance, refreshing and other aesthetic feelings; Second, the tree species are required to have large crown, fast growth and good shading effect. However, Lagerstroemia indica is a small tree or a large shrub species. In garden application, if it is isolated, Lagerstroemia indica can be planted first, or grafted on the tall Lagerstroemia indica and Lagerstroemia indica in Sichuan and Guizhou, thus forming a variety of colors and tall Lagerstroemia indica trees. In addition, putting two or three Lagerstroemia indica plants with the same color in the garden in the form of combination also has good appreciation value. [6] The application of Lagerstroemia indica in various parks and public green spaces has high ornamental value and is easy to plant and manage. In the garden, according to the local actual situation and the needs of landscaping, single planting, opposite planting, group planting, cluster planting and row planting can be used for scientific and artistic landscaping. Such as clumping or group planting on hillside, flat land or scenic spot; Arranged in the seaside and Chi Pan, the viewing effect is excellent; Placed next to rocks and peaks; Distributed in evergreen trees. The leaf color of Lagerstroemia indica will turn red and yellow in spring and late autumn, so Lagerstroemia indica is often placed in the middle of evergreen trees in landscaping to solve the problem of monotonous color in gardens. The lawn dotted with several crape myrtle plants gives people a soft atmosphere and bright colors. [6] The chemical constituents of flowers include Lagerstroemia indica, plantain, tetradecane vanillin, tetradecane vanillin, tetradecane vanillin, Petunia -3- arabinoside, sunflower -3- arabinoside and other anthocyanins. [9] Leaves contain alkaloids such as crape myrtle, plantain, dihydroalternarine, podophylline, podophylline, and podophylline. It also contains crape myrtle acetal, pentanol and gallic acid. [10] The stem bark contains Lagerstroemia indica, Plantago asiatica, dihydrogeranium, dodecane, dodecane and dodecane. [8] Flower language of plant culture is fond of love, good luck, good eloquence, female. Legend has it that there is a legend about the origin of Osmunda japonica in China. In ancient times, there was a fierce beast called Nian, which hurt countless people and animals. So the purple star went down to earth, locked it in the mountains and let it go out only once a year. In order to supervise this year, Ziweixing became Wei Zihua and stayed in the world, bringing peace and beauty to the world. Legend has it that if the family is full of Wei Zihua, Wei Zixian will bring happiness to life. Poetry and articles seem to be obsessed with beauty, but they are particularly inclined to expose and bully the wind. Who said that flowers bloom for a hundred days and crape myrtle grows for half a year? (Yang Wanli in Song Dynasty)