The origin of osmanthus fragrans

Lagerstroemia speciosa, also known as full house red, is a widely planted ornamental tree species. Description: Litchi family, deciduous shrub or small tree, 7 meters high, irregular crown, smooth bark, light brown, with twigs on all sides; Leaves opposite, oval to round, 3-7 cm long; The panicle is terminal, with reddish purple flowers, also known as Lagerstroemia indica, and the stem is 3-5 cm. The flowering period is long, from June to September; The capsule is nearly spherical, the stem is about 1.2 cm, and the fruit matures10-1month. Its varieties are Yin Wei and Cuiwei. Lagerstroemia speciosa is an exotic tree species, commonly known as "ticklish tree". Lagerstroemia indica is a mosaic tree, also known as skinless tree, full house red and hundred days red. Due to the special flowering period, it blooms continuously from July to 10, hence the name Hundred Days Red. Yang Wanli, a poet in the Song Dynasty, praised: "It is better to be infatuated, especially to expose and oppress the wind." Who knows that flowers bloom for a hundred days and crape myrtle grows for half a year. Xue Hui of the Ming Dynasty also wrote: "Osmanthus fragrans is the longest, rotten for ten days, and new flowers continue to grow branches after summer and autumn. "Northerners call crape myrtle" monkey thorn ",which means that the tree is too slippery for monkeys to climb. Its beauty lies in its lack of bark. Scarcity is the most precious thing. How many trees in Qian Qian are skinless? The trunk of young Lagerstroemia indica has an annual epidermis and falls off by itself every year. The trunk looks fresh and smooth after the epidermis falls off. Old Lagerstroemia indica, the tree body does not revive the epidermis, and the tendons are quite exposed. Very smooth, very smooth. When Lagerstroemia indica grows up, the trunk epidermis falls off and is smooth and skinless. If people touch it gently, they will immediately shake the leaves, tremble all over, and even make a weak "giggle" sound. This is a systemic reaction of its "itch", which is really amazing. Ziwei * * * has four kinds: Chiwei, Yin Wei and Cuiwei. Cuiwei, with the best blue petals, is a panicle with the top of a new branch, which is 20 cm long. Each flower has 6 petals, which is wrinkled like a roulette wheel. The tree is full of flowers, gorgeous as a sunset, so it is also called full house. The result is a capsule, which looks like soybean and contains many seeds. It expires on 1 1 month. Lagerstroemia indica originated in China, distributed in the Yangtze River valley, and also cultivated in South China, Northwest China and North China, so it has strong adaptability. Lagerstroemia indica is drought-tolerant, waterlogging-tolerant, moist, light-loving and fat-loving. It has strong resistance to sulfur dioxide, hydrogen fluoride and nitrogen, and can inhale harmful gases. According to the determination, each kilogram of leaves can absorb sulfur 10g and grow well. Lagerstroemia indica can also adsorb dust. In a cement plant 200 ~ 250 meters away from the pollution source, leaves can absorb 4042 grams of dust per square meter. Therefore, it is the ideal tree species for urban, industrial and mining greening, and can also be used as bonsai. Lagerstroemia indica also has medicinal effects. Li Shizhen discussed in Compendium of Materia Medica that its bark, wood and flowers have the functions of promoting blood circulation, dredging meridians, relieving pain, reducing swelling and detoxifying. Seeds can be used as pesticides to kill pests. Leaves can cure white dysentery, flowers can cure postpartum hemorrhage, children's rotten head and fetal poison, and radically cure carbuncle, swelling and sore poison, which can be described as treasure all over. In ancient China, there was Wei Zi Dou Shu, a method of calculating numerology according to Wei Zixing. The alias itch tree, bauhinia [Sichuan] and Zijinbiao [Jiangxi] are derived from Lagerstroemia, a plant of Lagerstroemia, and are used as medicine with roots and skins. Picking peeled bark in summer and autumn and drying; Roots can be taken at any time. The taste is slightly bitter, astringent and flat. Functions are mainly used for promoting blood circulation, stopping bleeding, removing toxic substances and reducing swelling. Used for various bleeding, fracture, mastitis, eczema, hepatitis and ascites due to liver cirrhosis. Usage and dosage 0.5 ~ 2 Liang. Wei Zi constellation-As night falls, in clear weather, we will see the twinkling stars all over the sky. At this time, when we face the north, we can see the Weizi Garden in the center of the sky. The north pole of Ziweiyuan is the center, based on the cluster near the North Pole, including the sky area within 50 degrees north latitude. In this range, the most obvious signs are the left and right walls. The wall consists of eight stars on the left and seven stars on the right, which are connected by an imaginary line, symbolizing the palace wall. There are two doors on the wall. The front opening is the south gate, facing the bucket handle of the Big Dipper. On the back of the wall is the North Gate, facing the direction of Su Kui. Every star that makes up the Great Wall is named after the official name used by the Zhou Dynasty. Looking closely at these official names, they are led by the prime minister, some attendants and guards who are responsible for safeguarding the security of the palace, and the prime minister and assistant minister who are responsible for the indoor and outdoor affairs of the king. A second lieutenant was added. Because he is a judicial official sent by the state to take charge of the palace prison. There are two main constellations on the wall of Ziwei Garden, one of which is Shu Tian, and there are four bucket-shaped stars around it in the west. There is a string of little stars in the south, the first is the harem, the legendary queen mother, and further south is the illegitimate child, the emperor star and the prince. The other column is the six stars of Hook Chen, and the four little stars surrounded by Crookedstar are called Emperor. This is an extremely important star name, which should be used as the North Star in history. Among them, Hooke Chen Yi is the Polaris used in modern times, and it is also the most prominent and brightest star in these two series of stars. In addition, there are "four-star maids" and "five-emperor inner seats" serving the Emperor of Heaven, which represent the different positions of the Emperor of Heaven, and so on. Outside the wall of Ziwei Garden, there are some palace facilities, such as two kitchens, a heavenly kitchen and an inner kitchen, a bed for sleeping, a prison for holding prisoners, Wenchang Palace where civil servants are located, and the emperor's car when traveling. Ziwei Flower Language-Good luck, eloquence, female. Ziwei, alias prurigo, ginger. It is a small deciduous tree, belonging to Litchi family, with a height of 7 meters, smooth buckling of branches, and a large amount of bark peeling in autumn and winter. Branchlets slightly quadrangular. The leaves are opposite or nearly opposite, oval, entire, sharp at the apex, wide and round at the base, smooth and hairless on the surface, and hairy on the back of the leaves along the midvein. The flowers are conically clustered at the top of the branches, and the perianth is shriveled, bright red, pink or white. The flowering period is from July to September. Capsule oval,11-65438+mature in February. Originated in South China, Central China, East China and Southwest China. Sex likes sunshine and calcareous fertile soil, and is resistant to early and afraid of waterlogging. Lagerstroemia indica is a very interesting flower tree, which has a characteristic: "Lagerstroemia indica blooms for a hundred days, caressing branches and moving trees." "So, crape myrtle is also called itchy tree. Lagerstroemia indica has graceful posture, flexible branches and bright colors. It blooms in summer and autumn and is an important ornamental tree species in gardens in summer and autumn. The roots, leaves and skins of Lagerstroemia indica have the effects of clearing away heat and toxic materials, promoting blood circulation and stopping bleeding. Lagerstroemia indica is the dried flower of Camptotheca grandiflora. ). K. Schum. Or campbell flower. It belongs to Osmundaceae. Harvest the blooming flowers in summer and autumn and dry them.