How to describe ginkgo tree?

Ginkgo biloba is the oldest seed plant in relict plant. It takes more than 20 years from planting to fruiting, and after 40 years, it can bear a lot of fruits and live to be over 1000 years old. Ginkgo biloba is a deciduous tree, which blooms in May, matures in 10, and its fruit is orange-yellow drupe. Ginkgo biloba was originally distributed all over the world, and only remained in the subtropical mountainous area of China after the Quaternary Glacier. At present, the distribution of Ginkgo biloba mostly belongs to artificial cultivation.

Ginkgo biloba is commonly known as Ginkgo biloba and Gongsun Shu. It first appeared in the Carboniferous period 345 million years ago and was widely distributed in Europe, Asia and America in the northern hemisphere. It was the king of the world like dinosaurs in the animal kingdom. By 500,000 years ago, the Quaternary glacial movement occurred, the earth suddenly became cold, and most ginkgo plants were on the verge of extinction. Only when China has superior natural conditions can it miraculously survive. Therefore, scientists call it a "living fossil" and a "panda in the plant kingdom". At present, there are wild and semi-wild ginkgo communities in Tianmu Mountain in Zhejiang, Dabie Mountain in Hubei and Shennongjia. There is no doubt that foreign Ginkgo biloba was introduced directly or indirectly from China.

Ginkgo biloba, also known as Gongsun Tree, belongs to Ginkgo biloba in Latin.

Deciduous trees, up to 40 meters high and up to 4 meters in diameter at breast height. The bark is grayish brown with irregular longitudinal cracks. Leaves alternate, scattered radially on long branches and 3 ~ 5 clusters on short branches. The leaves are fan-shaped with light green on both sides. Dioecious, occasionally homoecious, with spherical flowers and long female flower stalks. The seeds are ovoid or nearly spherical, 2.5 ~ 3.5 cm long and 65438 0.5 ~ 2 cm in diameter. The aril is fleshy, covered with white powder, and pale yellow or orange when mature.

Suitable for growing in subtropical monsoon region with superior hydrothermal conditions. The soil is yellow soil or yellow brown soil, and the pH value is 5 ~ 6. Generally, it blooms from early April to mid-April, the seeds mature from late September to early October, and the leaves fall in late October. Longevity There are ancient trees over 3000 years old in China. Generally, female plants begin to bear fruit in about 20 years, and trees that have been 500 years old can still bear fruit normally.

It is the only existing species of Ginkgo biloba, known as the "giant panda" and "living fossil" in the plant kingdom. Ginkgo biloba in the wild state is only found in Tianmu Mountain, Zhejiang Province, scattered in broad-leaved forests and valleys at an altitude of 300 ~ 1 100 meters. It is also a precious wood and ornamental tree species, and its leaves and seeds can also be used as medicine.

Ginkgo biloba is a unique and rich economic plant resource in China. Using the effective chemical components of Ginkgo biloba leaves and its special medical and health care functions to produce health food, medicine and cosmetics is attracting the attention of research, development and production units at home and abroad. Many enterprises in various countries compete to develop and produce natural green products with ginkgo as raw materials to replace synthetic chemicals that have great side effects on human health, thus opening up an incomparably broad prospect for the development and utilization of ginkgo resources in China, rapidly improving the utilization value of ginkgo and its impact on economy, society and ecology, creating employment and wealth for the society, and also bringing great economic and social benefits to mankind.

Ginkgo biloba resources in China are mainly distributed in more than 60 counties and cities in Jiangsu, Shandong, Zhejiang, Anhui, Fujian, Jiangxi, Hebei, Henan, Hubei, Hunan, Sichuan, Guizhou, Guangxi and Guangdong provinces. Pizhou City, Jiangsu Province leads the country in planting Ginkgo biloba leaves and producing and processing extracts. There are hundreds of research, production and teaching units in China that research and develop health food, medicine and cosmetics with machine extract of Ginkgo biloba leaves as raw materials. Ginkgo products are dazzling, and there are countless scientific papers about ginkgo. The output value of ginkgo occupies a large proportion in the national economy of various ginkgo producing areas in China, and the market competition of ginkgo resources and deep-processed products at home and abroad is fierce.

In order to "develop information resources and serve the four modernizations" and quickly transform the knowledge and information of research, development, production and market with Ginkgo as the theme into scientific and technological productivity, we registered the Ginkgo domain name and opened the Ginkgo website. Ginkgo website will introduce the knowledge and information of Ginkgo to users faster, longer, more effective, more comprehensive and more favorable than TV and newspapers.

2. What is the value of Ginkgo biloba?

Ginkgo biloba, also known as Ginkgo biloba, is the oldest existing seed plant in relict plant. Botany often compares Ginkgo biloba with dinosaurs and is known as the giant panda in the plant kingdom. Ginkgo biloba belongs to the category of dried fruits, and among many dried fruits, the economic value of ginkgo biloba ranks third. The value of ginkgo biloba is mainly reflected in food and medicine.

Ginkgo biloba is eaten to keep healthy and prolong life. Ginkgo biloba was listed as a royal tribute in the Song Dynasty. Japanese people have the habit of eating ginkgo every day. Westerners must eat ginkgo at Christmas. As far as eating methods are concerned, Ginkgo biloba mainly includes fried food, baked food, cooked food, side dishes, cakes, candied fruit, canned food, beverages and alcohol.

The medicinal use of Ginkgo biloba is mainly reflected in medicine, pesticides and veterinary drugs. In the Ming Dynasty, Li Shizhen once said: "Entering the lung meridian can benefit the temper, stop asthma and cough, and reduce defecation." Ginkgo biloba in Ben Feng Jing Yuan written by Zhang Lulu in Qing Dynasty has the effects of resolving phlegm, detoxicating and killing insects, and can be used to treat "furuncle, ulceration of mammary abscess, dental caries, infantile diarrhea, leucorrhea with red and white discharge, chronic stranguria, nocturnal emission and enuresis". In the Ming Dynasty, Chinese patent medicines made of Ginkgo biloba appeared in Jiangsu, Sichuan and other places for clinical use. Ginkgo biloba exocarp contains a lot of hydrogenated ginkgolic acid and ginkgetin. The water-soluble components of exocarp have good antitussive and expectorant effects, and their properties are similar to those of cyclophosphamide and dexamethasone. The effective rate of epicarp alcohol intermediate in inhibiting 22 common clinical pathogenic fungi was 865438 0%. 0. 1% hydrogenated ginkgolic acid inhibited 25 clinical pathogenic fungi with an effective rate of 92%. In addition, the inhibition rate of epicarp extract on apple anthracnose and other 1 1 plant pathogens reached 88%- 100%. The control rate of ethanol extract on geometrid reached 100% within 3 days, and it also had control effects on Tetranychus urticae, Myzus persicae, Chilo suppressalis and other pests. According to Compendium of Herbal Medicine of Folk Veterinary Medicine, Ginkgo preparation can treat strain of livestock, nasal congestion, lung abscess, cough due to lung deficiency, blood drop in urine, leucorrhea of female livestock, etc. Dingchuan decoction developed by Shandong Animal Husbandry Medical Station is used to treat infectious laryngotracheitis in chickens, and the cure rate is 95%.

Ginkgo biloba leaves also have important medicinal value. Up to now, there are more than 60 kinds of Ginkgo biloba extract with known chemical components/kloc-0. There are mainly flavonoids, terpenoids, phenols, alkaloids, polyisoprene, quinic acid, linoleic acid, python oxalic acid, ascorbic acid, α-hexenal, bilobanol, bilobanone and so on. In 1960s, the Institute of Botany, Chinese Academy of Sciences and other units developed Shuxuening injection with Ginkgo biloba leaves, which has certain curative effects on coronary heart disease, angina pectoris and cerebrovascular diseases. At the same time, Ginkgo biloba leaves can also be used as pesticides. 1kg leaves add 20kg water, boil for 30min, and then soak for 2-3 days. The control rate of spiders and Pieris rapae is over 90%, and there is no residue.

At present, there are more than 50 kinds of skin care and hair care products prepared with Ginkgo biloba extract. In addition, ginkgo beverage, ginkgo peach juice, ginkgo beer, ginkgo tea and other health products developed from ginkgo leaves have been circulated in the market and achieved good results.

The ecological benefits of Ginkgo biloba are mainly reflected in: from the perspective of cultivation, Ginkgo biloba belongs to a fruit tree-dried fruit; It belongs to timber tree species, protective tree species, insect-resistant tree species, longevity tree species and pollution-resistant tree species. Ginkgo biloba is an ideal tree species for fast-growing and high-yield forest, farmland shelterbelt, road shelterbelt, bank protection forest, beach shelterbelt, village shelterbelt, forest-grain intercropping and "four sides" greening. It can not only provide a large number of high-quality wood, leaves and seeds, but also purify the air, conserve water, prevent wind and sand, maintain water and soil, and improve farmland microclimate. It is a good tree species for afforestation, greening and ornamental, which is of great significance to the adjustment of agricultural and forestry planting structure in the north and south of China and the forestry development in plain agricultural areas. Ginkgo wood is of high quality and low price, and is known as "silver fragrant wood" or "silver wood". Ginkgo wood has luster, straight texture, fine structure, easy processing, no cracking, strong corrosion resistance, easy painting, low nail digging power, special medicinal flavor and strong insect resistance. Ginkgo wood can be used to make carved plaques, wooden fish and other handicrafts, and can also be used to make high-end furniture such as cabinets and desks. Ginkgo biloba has the characteristics of singing, guiding sound and elasticity, and is an ideal material for making musical instruments It can be used to make surveying and mapping instruments, pens and other cultural goods, and it is also the first-class wood for making chessboards, chess pieces, sports equipment, seals and small handicrafts. In industrial production, silver wood is most suitable for making machine models and wooden models of X-ray machine filter plates, textile printing and dyeing rollers, bodiless lacquerware, plywood, chopping boards and wooden telephones.

Ginkgo biloba also has good ornamental value. Ginkgo biloba is lush in summer and golden in autumn, giving people a handsome, gorgeous, luxurious and elegant feeling. Therefore, ginkgo biloba is regarded as an important tree species in courtyards, sidewalks and gardens at all times and in all countries. In the famous mountains and rivers and ancient temples in China, there are tall and straight ancient ginkgo biloba. They go through vicissitudes, trace back to ancient and modern times, and give people a sense of mystery. Poets and poets of past dynasties set foot in temples, leaving many poems and songs, proud of their beautiful scenery and merits. No wonder people marvel at the close relationship between ancient ginkgo biloba and ancient culture.

Ginkgo biloba is magnificent, its trunk is winding and lush. Ginkgo biloba with graceful posture is selected and processed into bonsai, and the majestic posture of Ginkgo biloba in nature is concentrated in the basin. It is elegant and interesting, which is clear to the desk, pleasant and pleasing to the eye.

The second category:

1. Ginkgo tree Huangshi, heroic, like a soldier in the city. The city is full of golden flowers, majestic and carefree. Ginkgo trees show dazzling golden color, but at the same time, they drop countless fallen leaves and roll along the ground with the wind, paving a splendid land. In the bleak land in winter, flags are generally bright and dazzling. Only in the early winter, the ginkgo trees on both sides of the street are uniformly covered with golden robes, which are eye-catching and stand proudly. Unlike other trees, yellow is decadent and yellow is vicissitudes.

2. Ginkgo biloba leaves are thin, large and small, with different shapes, and some dance like butterflies; Some are like lotus flowers, competing to open; Some are like handfuls of big fans, swaying gently; Some are like big trees, trying to grow; Some are like birds, singing happily.

3. Summer is hot and the sun is like fire. At this time, the ginkgo tree has grown vigorously. Its branches are very tall and straight, the trunk is divided into many branches, and many branchlets are divided on the branches. Branchlets are covered with dark green fan-shaped leaves. In summer, the ginkgo tree has become an open green velvet umbrella, and the dense branches and leaves cover the sun and block the burning sun mercilessly. There is a rare shade under the tree in midsummer.

4. In summer, the branches of ginkgo trees are more upright, the trunk is divided into many branches, and there are many branchlets on the branches, which are covered with fan-shaped leaves and look very lush. The burning sunshine and crystal rain were blocked on the top, and the children played heartily under the tree.

There are many ginkgo trees planted on both sides of the school road. Green ginkgo trees and silver-gray roads complement each other, forming a unique landscape. Ginkgo trees have dense leaves, which is a bit strange. Most of the ginkgo leaves we see are green, and so are ginkgo leaves, but unlike other leaves, ginkgo leaves are fan-shaped and are not very neat at the edges of leaves, but wave-shaped like water, which is very beautiful.

6. In the severe winter, the frosted ginkgo leaves gradually turn yellow, and the yellow leaves fall in the north wind, laying a layer of "golden carpet" on the ground. Every time after a burst of heavy snow, it is wrapped in white, and its vigorous body looks more handsome, chic and powerful against the background of snow and ice.

7. In the spring of March, flowers are in full bloom, and ginkgo trees are not inferior. It is quietly covered with a layer of green yarn. Its beautiful leaves are like a small colored fan with a plum blossom handle, with green and yellow. The drizzle fell on the leaves, making a rustling sound, just like a wonderful symphony echoing over the community. At this time, I always listen to this beautiful Song of Spring under the tree, love stand.

8. In a blink of an eye, the irresistible summer came. Ginkgo tree is simply an open green velvet umbrella. Dense leaves cover the sun and trees are cool. My companion and I often read books and play games under the tree. Especially in the morning, when we wake up, we can hear birds chirping in the trees, sometimes singing euphemistically, and sometimes chasing and frolicking, which adds endless happiness to our community.

9. Ginkgo biloba is a tree with a special style. Its leaves are green in summer and yellow in autumn, like handfuls of open folding fans, with unique and beautiful shapes. Ginkgo biloba contains protein, fat and other nutrients needed by human body, which is a kind of green and healthy food. Used as medicine, it has the function of moistening lung and relieving cough. Its leaves can be used to make pesticides and drugs for treating vascular diseases, and can also help sleep. Ginkgo trees can be seen in many places and used to green streets and parks. Its wood is excellent, and it is the first-class wood for architecture, sculpture and furniture.

10. The trunk of Ginkgo biloba is so thin that even a child can hold it. It goes straight up like a rocket and goes straight into the sky; Like Pangu, supported between heaven and earth; It looks like a big golden umbrella. Its trunk is criss-crossed, and its branches are dense and rough to the touch.

1 1. When it rains, the water drops left on the leaves are crystal clear, like pearls embedded in trees. The rain stopped, the sun shone on the tree, and the kind father-in-law gave it the softest light-ginkgo tree. Under the sunshine, "Pearl" shines with colorful light, as if wearing a string of colorful water drop necklaces for Ginkgo girl. Stand by this big tree and take a deep breath, and you will immediately feel relaxed and refreshed.

12. In spring, ginkgo trees will grow new leaves. The new leaves are light green, like a fan, and the petiole is very long, so the leaves are hanging. Looking at the ginkgo tree from a distance, it looks like a fairy in green dancing in the spring breeze, which is very beautiful.

13. In late autumn, the leaves of ginkgo trees slowly turn golden yellow. When the autumn wind blows, the leaves flutter with the wind, just like butterflies dancing. Leaves falling all over the floor are like a golden carpet on the ground, which looks good from a distance. At this time, Ginkgo biloba has matured and landed in Huang Chengcheng one by one. It fell down with a bamboo pole. Adults say that the leaves and fruits of Ginkgo biloba can also be used as raw materials for pharmacy.

14, Van Gogh may be infatuated with this golden color. Apart from his sunflower, he was also intoxicated in the embarrassing ginkgo tree. Ink painting is far from artistic conception and can't show the elegance of ginkgo trees. Oil painting is more suitable. But if you draw a yellow ginkgo tree early and miss the early winter, you will miss the golden ginkgo tree this year. Time is always the most urgent thing to go. This luxurious decay, gorgeous and heroic, makes it difficult to cherish. I can't draw, so I have to raise my camera without wasting a good perspective.

15, the golden ginkgo garden is dazzling, just like laying a soft carpet on the ground, which is particularly beautiful. Leaves hover in the air, sometimes flying to the sky, sometimes falling to the ground, as if playing hide-and-seek with everyone. It seems to be a beautiful butterfly; That leaf is a child playing hide and seek; The fruit is a girl in a yellow coat. Look! A gust of autumn wind blew, and Ginkgo biloba leaves fluttered all over the sky like countless golden butterflies, falling down from the trees.

16, Ginkgo Garden also seems to be covered with a layer of Xiayi. Under the sunshine, it is not only green, but also gives off colorful light, beautiful but dazzling. Coupled with the touch of the wind, the light seems to be embedded in the leaves, flashing with the swing of the leaves, just like the sun shining on the water, shining, but much more beautiful than that.

17, ginkgo tree is also called ginkgo tree. There are three trees in front of my house. Its trunk is thick and tall, and its branches and leaves are particularly lush. Its leaves are like a delicate little paper fan and beautiful butterfly wings. We often use it as a bookmark in books, which can repel insects and has a faint fragrance. Ginkgo trees are divided into male plants and female plants, and the flowers of male plants are like conical spikelets; The flowers of the female tree are like two or three small balls together, which are very inconspicuous. Usually in April every year, when groups of bees are busy on ginkgo trees, people will notice that ginkgo trees are blooming.

18, ginkgo trees are flourishing with tall and straight trunks. From a distance, they stand on both sides of the road like a row of majestic guards. Ginkgo leaves are tender green. As the leaves grow, they turn dark green and golden yellow in autumn. The young leaves of ginkgo trees are not noticeable. What is striking is that the leaves in autumn overlap closely, like little golden skirts and handfuls of Huang Cancan fans. A gust of wind blew the leaves all over the sky and fell to the ground like a golden carpet. How beautiful!

19. There is a tall and unique ginkgo tree in the west of my home. This rare ginkgo tree has added infinite vitality to our community. This is a huge and ancient ginkgo tree. In order to measure its thickness, several of our children surrounded it hand in hand, but no one came around. The bark of ginkgo tree is grayish brown with many small pimples on it. It feels rough and hard with your hands, like an old man's chapped skin. Branches of ginkgo trees grow from the middle, and countless branches extend in all directions like giant arms.

20. I looked up and saw a tall ginkgo tree, proudly lifting its stout branches to the blue sky. On the branches, little yellow glitters like gold in the sun. A gust of autumn wind blows, bringing coolness. Ye Er floated down from the branches, like a boat, like a piece of paper, as if it were a piece of paper written to the earth in autumn. Pick up a piece and hold it in front of your eyes. A small golden fan seems to be dancing in the autumn wind. Looking up, I put Ye Er in the sun, and the sun shone through the leaves, revealing the shadow of the veins, as if it were autumn words.

2 1. Ginkgo trees are tall and straight with fan-shaped leaves. The canopy is large and cool, which has a cooling effect. The leaves are quaint and have a long life. No pests and diseases, no pollution to the environment, smooth trunk, is a famous pollution-free tree species, which is conducive to the reproduction of Ginkgo biloba and add scenery.

22. Ginkgo trees are highly adaptable, and ginkgo has a wide range of requirements for climate and soil. Smoke and dust resistance, fire resistance and toxic gas resistance. Ginkgo tree is tall and straight, graceful, green in spring and summer and golden in late autumn. It is an ideal tree species for landscaping and roadside.

23. In autumn, the trees are covered with ginkgo nuts like longan, and a gust of autumn wind blows, and ginkgo nuts fall to the ground like raindrops. Folding fan-shaped ginkgo leaves fall slowly, dancing like countless golden butterflies. After a while, the ground was as golden as a golden carpet.

24. In winter, the deciduous ginkgo tree looks like a statue, so vigorous and tall. When the northwest wind howls and the goose feather and heavy snow fall from the sky, ginkgo trees will be dressed extraordinarily enchanting, like two huge coral reefs, located on both sides of the playground.

25. As soon as the news of spring arrives, ginkgo trees are unwilling to lag behind, vying for green buds. I found that ginkgo tree also has flowers, and its flowers are very special. The flowers of these two trees are different. The flower in the east is very long, like a green caterpillar.

Ginkgo biloba is a deciduous tree of Ginkgoaceae.

Ginkgo biloba is a deciduous tree with a DBH of 4 meters. The bark of young trees is nearly smooth, light gray, and the bark of big trees is grayish brown, irregular and rough longitudinally. There are long branches and slow-growing short branches. The crowns of young and mature trees are conical, while the crowns of old trees are roughly oval. Branches are nearly whorled and extend obliquely upward (large branches of female plants are often more developed than those of male plants).

Leaves alternate, scattered radially on long branches, petiole slender, fan-shaped, light green on both sides, glabrous. Scattered on long branches and clustered on short branches. Its pulse type is "bifurcation pulse".