Also known as Liriodendron. Its leaves are more than ten centimeters long, which is different from those of ordinary plants. Its top is flat or slightly concave, and there are two deep lobes on both sides, which are very similar to mandarin jackets and goose feet, hence the name. Liriodendron's flowers are white outside and yellow inside, which is extremely beautiful. Liriodendron belongs to Liriodendron of Magnoliaceae, which grows in Central China, East China and Southwest China. Because of its peculiar leaf shape and beautiful flowers, it is a famous ornamental plant in China.
Bachelor tree
Location: China, Guangdong and Fujian. Seven or eight meters high, all year round, the tree is full of bare green branches, so it is called bachelor tree. In fact, it is not without leaves, but it is very small and falls off prematurely, which is not noticed. Its branches are fleshy and have white milk. According to analysis, milk contains a lot of hydrocarbons, which is considered as the most promising oil plant abroad. The hometown of the bachelor tree is in Africa, where the climate is dry, so the leaves are small and fall off early to avoid water loss.
Copper coin tree
It is a deciduous tree, which grows in Huaihe River and Yangtze River basins in China. It is about 16 or 17 meters high and its leaves are oval. The fruit is very unique, with two crescent-shaped membrane wings connected and seeds enclosed in the middle. From a distance, it looks like a string of copper coins hanging on a tree. When the wind blows, it rattles, hence the name. Copper coin tree belongs to rhamnaceae, and it is the same brother as the red dates we eat.
There is also a tree that grows in the Qinling Mountains of Shaanxi Province, China, and looks like a copper coin tree. When the fruit is ripe, it is also like a string of copper coins, but the leaves are composed of many lanceolate leaflets, forming a large feathery compound leaf. It belongs to Aceraceae, and people call it Aceracea. Acer truncatum Bunge is listed as a national protected plant because of its small quantity and high ornamental value.
A tree with wings
It is a deciduous shrub growing in Qinling Mountains of China. Its branches are green and brown, hard and straight. Interestingly, there are 2 ~ 4 brown films growing on its branchlets from top to bottom, which are light and soft, like the corks we usually use. Its arrangement on the branches is like the feathers of an arrow's tail, and it seems that the branches are surrounded by wings, so people call it Euonymus punctatus. Euonymus stairs belongs to Euonymaceae, with dense, white and tough wood, which can be used to make bows, sticks and wooden nails. The wings on its branches help blood circulation and have the effect of reducing swelling.
Lantern tree
This is a deciduous shrub of Ericaceae, which grows in central China. Only 2 ~ 6 meters high. Every summer, there are more than a dozen meat-red bell-shaped flowers hanging on both sides of its branches, so it is also called bell-shaped flowers. The fruit of the lantern tree ripens in 10, oval and brown. Interestingly, its fruit stalk is drooping and its top is bent upward, so the fruit is upright. From a distance, it seems that the branches are covered with small lanterns, hence the name. Lantern tree is not only beautiful in flowers and fruits, but also turns red in autumn, unlike maple leaf, which is better than maple leaf, so it is a promising garden ornamental tree.
Badminton tree
In some mountainous areas in central and southwest China, there is a short tree. 10 When the fruit is ripe, from a distance, every tree is full of fruits that look like badminton. People call it the badminton tree. Badminton tree belongs to Santalaceae. Although it is only 1 ~ 3 meters high, it is flourishing. Its fruit diameter is only about 1 cm, but each fruit has four bracts 3 ~ 4 cm long at the top, which looks like badminton. It is said that its fruit is edible. Feather tree is also a semi-parasitic plant, and some of its roots are parasitic on the roots of pine and fir trees. Part of the nutrition it needs for its own life is absorption.
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What are the characteristics and functions of Metasequoia glyptostroboides?
Metasequoia glyptostroboides (Taxodiaceae) is a deciduous tree. China endemic tree species. Morphological characteristics: the height of the tree can reach 40~50 meters, and the DBH is more than 2 meters. The leaves are opposite, linear, flat, soft, light green, feathered on deciduous twigs, and fall with deciduous leaves in winter. Nanxian Shifeng Seedling Planting Cooperative has Metasequoia glyptostroboides, which is a professional greening enterprise integrating seedling breeding, planting and sales. It is located in Datong Lake, Yiyang, Hunan Province, with outstanding people and simple folk customs. Nanxian county is dominated by hills and rich in forestry resources, and seedlings are also one of the pillar industries in Yiyang, Hunan Province. After years of development, the varieties of seedlings cultivated at present include Metasequoia glyptostroboides, Taxodium ascendens, Cunninghamia lanceolata, willow, poplar and weeping willow. Shifeng seedlings: quality assurance, …
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Information about trees
The role of trees Trees can adjust the climate, purify the air, prevent wind and reduce noise, and are the best friends of mankind. Trees are oxygen factories. L hectares of broad-leaved forest can absorb carbon dioxide 1 ton in 1 day and release 0.73 ton of oxygen. Trees are dust filters. When the airflow with large dust content passes through the forest, with the decrease of wind speed, the dust with large particles in the air will fall rapidly. In addition, some trees have fur on their skin or can secrete grease, which can stick dust to their bodies, thus greatly reducing the dust content in the airflow through the forest. Trees are experts in sterilization. Many trees secrete fungicides during their growth, killing all kinds of germs brought by dust. According to the survey, there are 4 million bacteria per cubic meter of air in department stores, 580,000 in boulevards, 100 in parks and only 55 in forest areas. The difference of bacterial content in the air between forest areas and department stores is more than 70 thousand times. In addition, trees are natural reservoirs and natural air conditioners.
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Information about tree protection
"Protecting forests", that is, protecting forest resources, is a common propaganda slogan at home and abroad. Forest is a surface biological community with rich species, complex structure and diverse functions. Reasons for protecting trees 1. Trees can regulate climate and maintain ecological balance. Through photosynthesis, trees inhale carbon dioxide and exhale oxygen, making the air clean and fresh. One acre of forest releases enough oxygen for 65 people to breathe for a lifetime. 2. Trees can prevent wind and fix sand, keep water and soil, and absorb all kinds of dust. An acre of forest can absorb 20-60 tons of dust a year. 3. Woods can reduce noise pollution. A forest belt about 40 meters wide can reduce noise 10- 15 decibels. Noise pollution has caused great harm to human life, study, work and rest, and can be said to be people's "enemy". Therefore, we should pay more attention to afforestation. Noise can also lead to hearing loss, deafness and stupidity, as well as heart, blood pressure and nerve abnormalities in long-term life. Even, it can make people die under long-term noise. In this way, the forest can reduce the noise by four or five times. Trees can lower the temperature and increase the humidity. At 30 degrees, the temperature can be reduced to about 20 degrees. The secretions of trees can kill bacteria. There are 34,000 bacteria per cubic meter of air in the open space, and only 300-400 bacteria in the forest. Planting trees is the obligation of every citizen, and the state has designated March 12 as Arbor Day. Planting trees is of great benefit to our study, work and life. Extended data:
Forest and abiotic environment in space are organically combined to form a complete ecosystem. Forest is the largest terrestrial ecosystem on the earth, an important part of the global biosphere, a gene pool, a carbon pool, a water storage pool and an energy pool on the earth, which plays a vital role in maintaining the ecological balance of the whole earth and is a resource and environment for human survival and development. Humans need to protect forests. Trees themselves are not only primary producers, but also provide various food resources and habitats for consumers at all levels. Thanks to the unique and superior living environment of the forest, all kinds of animals and plants can be multiplied, preserved and multiplied. Therefore, there are many biological species in the forest, especially rare animals and plants. The destruction and disappearance of forest ecosystem will bring devastating consequences to biodiversity. Therefore, to a certain extent, the existence and diversity of forest ecosystems play a decisive role in biodiversity protection. Baidu Encyclopedia-Protecting Forest
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Information about trees
Trees can adjust the climate, purify the air, prevent wind and reduce noise, and are the best friends of mankind. Trees are oxygen factories. L hectares of broad-leaved forest can absorb carbon dioxide 1 ton in 1 day and release 0.73 ton of oxygen. Trees are dust filters. When the airflow with large dust content passes through the forest, with the decrease of wind speed, the dust with large particles in the air will fall rapidly. In addition, some trees have fur on their skin or can secrete grease, which can stick dust to their bodies, thus greatly reducing the dust content in the airflow through the forest. Trees are experts in sterilization. Many trees secrete fungicides during their growth, killing all kinds of germs brought by dust. According to the survey, there are 4 million bacteria per cubic meter of air in department stores, 580,000 in boulevards, 100 in parks and only 55 in forest areas. The difference of bacterial content in the air between forest areas and department stores is more than 70 thousand times. In addition, trees are natural reservoirs and natural air conditioners. We should protect the forest from destruction, such as using less disposable chopsticks, cups, lunch boxes and other products, and using more reusable products to reduce the consumption of forest resources.
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Knowledge about trees?
Trees are tall woody plants, represented by "branches", "stems" and "leaves", which can survive for decades. Generally speaking, a Screaming Trees tree has an upright trunk, tall plants and high branches from the ground, which can form a crown. There are many kinds of trees, some of which are called "trees", such as pomegranate trees and tea trees. Trees are the floorboard of woody plants, including trees, shrubs and woody vines. Trees are mainly seed plants. Among ferns, only tree fern is a tree. There are about 8,000 kinds of trees in China. Divided into banyan trees; Poplar; Willow; Cypress, etc. Extended data:
Trees can't grow indefinitely, which is mainly influenced by the gravity of the earth; From the point of view of photosynthesis, carbon dioxide concentration is also an important reason that affects the growth of trees. Studies have shown that the growth of trees is also related to the tubules in leaves and trunks. Trees absorb water through the thin tubes in the trunk and leaves. The thinner the tubule, the higher the height that water can reach, and the greater the growth potential and height of the tree. Baidu encyclopedia-tree
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