Pictures of camphor trees
1. Camphor tree
Camphor tree Why is the wood of camphor tree so fragrant?
Camphor tree, also known as camphor tree, camphor tree, camphor tree, etc., is one of the four famous trees in Jiangnan. Camphor tree is a subtropical tree species, mainly distributed in the south of the Yangtze River. It is an evergreen member of the Lauraceae family. Tall tree. It blooms in early summer, with yellow-green panicles, a spreading crown, lush leaves and branches, and dense shade everywhere. It is majestic. It is an excellent street tree and garden shade tree. The camphor tree has a special aroma and volatile oil, which makes it resistant to heat and humidity. It has the characteristics of removing rot and insects. It is an ideal material for luxury furniture, high-end buildings, shipbuilding and sculpture. Daily-used camphor is a white crystal made by distilling the roots, stems, branches and leaves of the camphor tree. It is colorless, transparent and has a cooling effect. Fragrance is used to prevent moths and is also widely used in medicine and chemical industries. Among the people, people often regard camphor trees as landscape trees and feng shui trees, which mean avoiding evil, longevity and good luck. Camphor trees are deeply favored by urban and rural residents. , Hangzhou, Yiwu, Ma'anshan and other cities have selected it as the "city tree". The camphor tree is very distinctive, with rough bark but very uniform texture. It never has the mottled spots of poplar trees or the tumor nodules of willow trees; The branches and trunk are divided into two and then into four and grow all the way without cutting corners or superfluous; the shape of the crown is spherical, drawing a graceful curve in the sky. The camphor tree is like Su Dongpo's calligraphy, round and continuous. , handsome and elegant, but quite regular. If it is a hillside covered with camphor trees, it would be Su Dongpo’s unique inscription. Therefore, people who study art like to use camphor trees as sketch objects. What is even more rare is that camphor trees have a unique It has a special fragrance that can repel insects, so there is almost no need for gardeners to spray pesticides. I have been on a business trip in Jiangxi, which is famous for its camphor trees, for the past two days. It is a feast for the eyes and greatly satisfies my special hobby that is not humane. The camphor trees in Jiangxi There are many ancient trees over five or six hundred years old scattered all over the mountains and fields, scattered in villages, riversides and mountain tops.
What does a camphor tree look like?
It is an evergreen tree, 30 meters high and 5 meters in diameter at breast height. The bark is irregularly split longitudinally; the branches, leaves and wood all smell of camphor.
Leaves are alternate, thinly leathery, ovate or ovate-elliptical, 5-10 cm long, 2.5-5.5 cm wide, apex acute or near tail apex, base broadly wedge-shaped to nearly round, entire The margin is slightly wavy, hairless on both sides, with three veins emerging from the base, coexisting with pinnate veins, and obvious glandular crypts in the vein axils; the petiole is 2-3 cm long. Flowers bisexual, axillary in panicles.
The berries are nearly spherical, 4.5-6 mm in diameter, green at first, turning red, and turning glossy purple-black when mature; the top of the fruit base is truncated. Flowering period is April-May.
The fruit matures from October to November, and the fruit is large and small, with a good yield every one or two years. Camphor tree is a thermophilic tree species. The annual average temperature in the most suitable place for growth is 16~17oC, and the absolute minimum temperature is not lower than -7oC.
The soil requirements of camphor tree are deep, fertile, moist, neutral or acidic clay soil (PH 5.5~7). Camphor trees are resistant to low temperatures, tolerate shade when young, and like strong light in their prime. They have a long lifespan. There are often old trees beside villages.
Camphor tree wood has fine texture, is flexible and dense, smooth and beautiful, has medium hardness, is easy to process, contains volatile oil and special aroma, is resistant to moisture, corrosion, insects, has little deformation, and has a long shelf life. It is used for valuable furniture, Good materials for construction, cabinets, sculpture, and shipbuilding. Camphor and camphor oil can be extracted from roots, branches, leaves and wood. Camphor and camphor oil are important raw materials in modern medicine, metallurgy, chemical industry, spices, food industry and military industry. The seeds can be pressed for oil, which is used for soap making. Camphor oil is also a traditional export commodity in my country.
Camphor tree grows rapidly, has a long lifespan, has an open crown, strong trunk, strong wind resistance, less damage from diseases and insect pests, strong germination ability, dark green and shiny leaves, and is not afraid of smoke and dust. It is a precious timber and tree in southern my country. Special economic tree species are also important tree species for forest protection, fire prevention, soil and water conservation, and urban greening. Planting camphor trees on the "side" can beautify and purify people's work, study and living environment.
Is camphor tree poisonous or harmful?
Camphor tree is non-toxic and harmless.
Camphor tree is not only harmless, but also can bring value to mankind. Camphor and camphor oil can be extracted from the wood, roots, branches and leaves of the camphor tree, and camphor and camphor oil are used in medicine and spice industries. The core contains fat, with an oil content of about 40%, and the oil is used for industrial purposes. The roots, fruits, branches and leaves are used as medicine and have the functions of dispelling wind and cold, strengthening the heart, antispasmodic and killing insects.
Timber is also used for shipbuilding, cabinets and construction.
Judging from the chemical composition of camphor oil, it can be divided into three types, namely Cinnamomum camphora (mainly containing camphor), Cinnamomum camphora (mainly containing linalool) and Cinnamomum camphora (containing mainly terpineol). Main), the economic value of each type is different, and should be subdivided for combined production. It can be identified based on the subtle differences in the shape of the camphor tree and the smell of branches, leaves and wood.
Extended information:
The legend of the camphor tree:
According to legend, in the late Qing Dynasty, there was a couple in Heping Village, Longgou Township, Chongyi County. The man was Xie Xiangui. , the woman's name is Lai. Although they live in a thatched house and wear tattered clothes, the couple are kind-hearted and love each other.
One evening, a couple returning home from work found a pair of injured white cranes struggling in front of their house. The couple felt compassion and took good care of the crane until it recovered. People in the village persuaded the couple to sell the crane for money, but the kind-hearted couple released the crane under the ancient camphor tree in front of their door. The crane flew into the air and suddenly turned around and called the couple three times to say goodbye.
A few days later, two camphor trees miraculously grew in the place where the cranes were released. Under the protection of the camphor tree, the couple has a prosperous family and full of descendants. The two camphor trees are also regarded by the villagers as the "happiness tree" and "harmony tree".
Sogou Encyclopedia - Camphor tree (evergreen tree of Lauraceae)
People's Daily Overseas Edition - About camphor tree
What are the advantages and disadvantages of camphor tree?
Benefits of camphor tree:
1. Camphor and camphor oil can be extracted from the roots, wood, branches and leaves. Camphor is used in medicine, plastics, explosives, antisepsis, insecticide, etc. Camphor oil can be used as raw materials for pesticides, mineral processing, soap making, fake paint and flavors. Camphor also has cardiotonic, antipyretic, and insecticidal effects.
2. Crush the leaves of the camphor tree and apply it on the surface of the hands and feet to prevent mosquitoes.
3. According to research by scientists, the chemical substances emitted by camphor trees have the ability to purify toxic air, have anti-cancer effects, have anti-insect effects, and filter out fresh and clean air, which is refreshing. Living in an environment with camphor trees for a long time will prevent you from suffering from many difficult diseases.
4. Camphor has dense branches and leaves, and the tree shape is beautiful and can be used as a greening street tree and windbreak.
5. The wood is of high quality, resistant to pests and water, and can be used for construction, shipbuilding, furniture, boxes, sheets, engraving, etc.
6. Strong cold resistance, fast growth, dust absorption, water conservation, and strong resistance to air pollution.
There is no literature documenting the harmful effects of camphor tree.
Camphor tree, also known as: camphor tree, camphor, camphor wood, Yaoren firewood, camphor, camphor, camphor; camphor tree, Lauraceae, camphor tree is a large evergreen tree, up to 30 meters in height and diameter It can reach up to 3 meters, with a wide and oval crown; the crown is spread widely, the branches and leaves are dense, and it is majestic. It is an excellent greening tree, street tree and courtyard shade tree. It is widely distributed in various places south of the Yangtze River in China, with the largest number in Taiwan. All plants have the aroma of camphor, and camphor and camphor oil can be extracted. The wood is hard and beautiful, suitable for making furniture and boxes. Camphor tree is resistant to harmful gases such as chlorine, sulfur dioxide, ozone and fluorine, can repel mosquitoes and flies, and can withstand short-term flooding. It is the main raw material for the production of camphor. The material is of high quality and is a good material for making furniture.
Beautiful camphor trees
Our campus is like spring all year round, with flowers in full bloom and evergreen trees. There are tall and beautiful asparagus trees; there are magnolias as white as snow; there are special meanings The auspicious grass... But my favorite is the ancient and beautiful camphor tree on campus. It has been weathered and has grown into a towering tree with lush branches and leaves after decades of ups and downs. Look, it's about tens of meters tall, bigger than a three-story teaching building. Its thick waist requires two children to hold hands to surround it. Whenever I pass by it, I am intoxicated by its faint fragrance. Miss Chun Wearing a colorful gauze skirt, she came to the campus. She touched the camphor tree gently, and the trunk turned green, pulled out the green branches, and grew small green leaves, which were so green and so bright. Under the sunshine, There seems to be a little creature beating on every leaf. We breathe in the fresh air here and thrive with it. In the hot summer, the sun at noon is grilling the earth like a big fireball, and many people are hiding. Enjoying the coolness brought by the air conditioner and electric fan indoors, only the camphor tree is still so lively. The dark green leaves are shiny, densely covering a large area of the sky, like a huge green tent. We had a great time skipping rope and playing shuttlecock below. In the golden autumn, the osmanthus fragrant and the camphor trees are following the trend! It dyed the hair into colorful colors. The leaves were as green as jade, as red as fire, and as yellow as gold. In summer, the green fruits turned black. The ripe fruits attracted many birds, and they tasted them with relish. The delicious snacks are chirping, as if to say: So fragrant and sweet! Grandma Qiufeng listened and nodded with a smile. Unexpectedly, the fruits fell to the ground, like countless black pearls. The naughty children rushed to step on them, making a crisp crackling sound, and a bunch of them were sprinkled. A cheerful note. Winter is coming, heavy snow is falling, the ground is covered with a thick blanket of snow, and the camphor trees are also covered with white cotton jackets. The snowflakes are layer by layer, one by one. From a distance, it looks like there are countless blooms on the trees. The pear blossom and camphor tree look at the children peacefully like an old man making snowmen and having snowball fights here... arousing laughter and joy. The camphor tree not only makes our campus more beautiful, but also makes our childhood happier. I love You, camphor tree! .
Poems about camphor trees
In the beginning of summer, I walked back and forth in Asagawa, watching how those tall camphor trees covered the city one after another, hiding the wasted time. It's morning and dusk. Lixia feels that there is no summer solstice in Asakawa. No matter how high the sun rises and how hot white light it scatters, half of this city will always be gently hidden under the dark green shadow of camphor, isolated from the world, and breathe peacefully with eyes closed. .Those tall camphor trees are like the colors that have been repeatedly depicted in my dreams since I was a child, with a confused collision and a vague soft light in my eyes. The world we see - the camphor trees are flowing green, The sunlight becomes transparent in the afternoon, winding its way to all the places it can reach. Busy sounds can be heard from the bus stop not far away. People who are asleep due to drowsiness cast trembling shadows. Spider webs are faintly visible in the corners of the wall. About. There is a gentle and comfortable rhythm in the air, as if it has stopped at this point forever, so that there is no need to think about what direction it will evolve in the future. The camphor tree has the most graceful posture, often tilting its body, just right The ground and the partners on the opposite side have formed the entire road into a semi-domed green sky. The difference between the camphor tree and the original camphor tree in Guilin, my hometown, is that its leaves are slightly smaller. As long as you hold the leaves in your hands, you can There is a light fragrance floating in the air, which will not dissipate for a long time. The trees cannot grow as big as the original camphor tree, and their lifespan is not as long as the original camphor tree. It is just that the seeds in autumn are more and thicker than the original camphor tree. The camphor tree is not tall, but it is The branches are thick and stretch out in all directions. The dense leaves are shiny green. The camphor trees are evergreen all year round. Whether it is summer or winter, they are always so vigorous. The most dense and decorated ones are those The camphor bent over with laughter; the camphor tree is not tall, but the most affectionate. The green leaves crowding the whole body cover the branches. It is like a strong big umbrella, which can protect people from the rain. Can block sunlight...
Camphor tree composition
There is a camphor tree in front of my house.
Cinnamomum camphor tree, also called Cinnamomum camphora, is a species of Lauraceae. Its branches are thick and its bark is rough, never streaked like poplars, nor knotted like willows.
Its crown is round in shape, like a graceful curve drawn in the sky.
There are many black spots on its leaves, mostly caused by pollution.
Its leaves are large and oval, like a large and long flat fan. Camphor leaves will bloom.
It usually blooms in spring. Its flowers are mostly yellow, small and numerous. Each flower is like a small ball, but when the flowers mature, they turn purple and black. The camphor tree is regarded among the people as a lucky tree that wards off evil spirits, provides longevity and brings good luck.
In many cities, the camphor tree is also selected as the "city tree". The life of the camphor tree is very long, and the most suitable ones can be more than 1,000 years old. It can be called the "longevity tree". It has a great effect and can be said to be a treasure from top to bottom. If you don’t believe it, look: the leaves, branches, and roots of the camphor tree all have a refreshing effect on the brain, so I often pick a few leaves of the camphor tree and put them on my desk, so that I can refresh myself while doing my homework. Keep yourself awake; the bark of the camphor tree is now also used in the production of medicines, which can treat various symptoms of high fever, colds, measles, whooping cough... and has become one of the daily essential medicines for people; its dense branches and leaves, With a large crown and dense shade, the tree has a majestic appearance. It can smoke, conserve water, solidify soil and prevent sand, and beautify the environment. It is an excellent tree species for urban greening and is widely used as a shade tree, street tree, protective forest and landscape forest.
The trunks of camphor trees can be made into various wooden furniture. The furniture is corrosion-resistant, insect-proof and also emits bursts of fragrance. It is a good material for furniture and sculpture... This is the camphor tree, a tree species that brings convenience to people.