First, ginkgo biloba
Ginkgo biloba leaves are unique and beautiful, like a fan. Its leaves are green in spring and summer, and yellow in autumn and winter. Green and yellow are very beautiful and special. So many people like ginkgo tree very much. Ginkgo is a precious tree species and one of the "national key protected plants".
Many people will wonder, isn't ginkgo everywhere in parks, green spaces and streets? Where is it rare? In fact, a long time ago, there were many plants with fan-shaped leaves in the world, which were collectively called Ginkgo steel. However, after the famous Quaternary glacier struck, only Ginkgo biloba was left.
There are many reasons for choosing Ginkgo biloba as a street tree. First of all, ginkgo has a very long life and few pests and diseases. Also known as Gongsun Tree, because Ginkgo biloba has a long life and slow growth, it is called "Grandpa plants trees and grandchildren eat fruits". It is precisely because of the slow growth that ginkgo trees on the roadside can always maintain proper density and spacing, unlike fir trees, which have to be dug up and replanted for decades. But the most suitable places for planting are Jiangsu and Shandong, while the south of Jiangxi is not prosperous.
Second, camphor tree
Friends in the south should be familiar with Cinnamomum camphora, which is one of the most common street trees. It shouldn't be common in the north. Cinnamomum camphora is not cold-tolerant, and it is difficult to grow in the cold north.
Cinnamomum camphora is huge like an umbrella, with dense branches and leaves, which can keep out the cold and wind. And it has a strong ability to eliminate smoke and dust, retain water, fix soil and prevent sand and beautify the environment. Moreover, Cinnamomum camphora has strong germination ability and is resistant to pruning, and its leaves have a faint fragrance. It is an excellent tree species for urban greening and is widely used in street trees, shade trees, shelter forests and scenic forests.
Third, Luan tree
Luan tree is a common street tree in the north and south. The northern species is called northern Luan tree, and the southern species is called Huangshan Luan tree, also called southern Luan tree. Huangshan Luan tree is a variety of Luan tree, and another variety of Luan tree is Qiuhua Luan tree, which is an out-and-out native tree species in Beijing and an ideal street tree and ornamental street tree in Beijing.
Luan tree has a regular tree shape, dense and beautiful branches and leaves. Young leaves are mostly red leaves in spring, and yellow flowers are full of trees in summer, with four distinct seasons. Moreover, in late autumn, the fruit of Luan tree looks like a lantern. The red capsule and the yellow autumn leaves complement each other and are very beautiful.
The management of Luan tree is also extremely simple, and the crown has natural pruning performance, so it can grow naturally without pruning. Moreover, Koelreuteria paniculata has strong adaptability and strong resistance to sulfur dioxide, so it is a good tree species for greening and foliage viewing. In recent years, it has become a popular tree species in urban landscaping.
Fourth, butter.
Sapium sebiferum is beautiful The beauty of tallow lies in its tree shape and leaves. Sapium sebiferum is tall and strong, vigorous and vicissitudes. In spring and autumn, the leaves of Sapium sebiferum burn like fire, which is not inferior to the "red leaves" such as Hongfeng and Cotinus coggygria. Moreover, the skin and seeds of Chinese tallow are oily and valuable. Sapium sebiferum is also suitable for planting near the water, but it is not cold-resistant.
Five, Platanus acerifolia
Platanus acerifolia has almost all the characteristics of excellent street trees, with tall trees, lush foliage and beautiful posture. Easy reproduction, high survival rate, fast growth and fast shading. Strong adaptability, no choice of soil, strong ability to absorb harmful gases, resist smoke and dust and isolate noise. It is a good tree species for greening in urban and rural areas.
Platanus acerifolia is widely used in landscaping in major cities in northern and southern China and grows well. However, Platanus acerifolia has one disadvantage: it is easy to fly in spring, which affects the respiratory system, and factories that produce precision equipment are not suitable for planting.
Six, Liriodendron chinense
China's Liriodendron is shaped like a jacket, also called a jacket, and its flowers are like tulips. So its English name is "ChineseTulipTree", which translates into Chinese as "Tulip Tree in China". Liriodendron chinense is a rare plant endemic to China, which is a national second-class protected plant. Liriodendron chinense has become an endangered tree species because of its low germination rate and repeated logging, and it has gradually become scarce in its main distribution areas.
Liriodendron chinense has the advantages of fast growth, strong resistance, less pests and diseases, convenient management and so on, and is often used in urban street greening and courtyard greening. Liriodendron chinense is a clean tree species with strong resistance to harmful gases and an excellent tree species for greening in industrial and mining areas. At the same time, Liriodendron is also a good wood for building and making furniture. Today, with the diversification of garden development, Liriodendron has great development space.
Seven, kapok
Kapok is a deciduous tree, which blooms first and then leaves in February and March every year. The tree is tall, majestic and burly, its branches are stretched, its bonus is as red as blood and as big as a cup. Almost all the leaves fell off when it was in full bloom. From a distance, it looks like a flame burning and jumping happily on the branches, which is very imposing. Therefore, it has always been regarded as a symbol of heroes.
Kapok likes warm, dry and sunny environment, and is drought-resistant, pollution-resistant, wind-resistant, deep-rooted, fast-growing and strong in germination. The flowers are big and beautiful, and the trees are majestic, which can be used as ornamental trees and street trees in gardens.
Eight, Aesculus chinensis
The seed of China Aesculus chinensis is a kind of traditional Chinese medicine, which is called Miluo. Therefore, the ancients often called aesculus Miluo. The seeds of aesculus chinensis are edible, but they are bitter to eat directly. They can only be eaten after being boiled in alkaline water, and taste like chestnuts, so aesculus chinensis is also called Shi Tian chestnut, pistachio or monkey chestnut.
Aesculus chinensis has beautiful trees, beautiful flowers and strange fruit shapes. It is a rare species for viewing leaves, flowers and fruit trees. It is one of the world-famous ornamental trees, preferably shade trees and street trees. The trunk of Aesculus aesculus is tall and straight, the tree is beautiful, the leaves are thick green and plump, the crown is like a canopy, and it is unique in summer, green and red in autumn. When it blooms, the huge white inflorescence is like a gorgeous candlestick, which is a spectacle. It has strong dust retention, sound insulation and absorption of harmful gases, and is an excellent street tree and garden ornamental plant. It can be used as a greening tree in sidewalks, parks and squares, and can be planted alone or in groups, or mixed with evergreen trees and broad-leaved trees.
Nine, Pterocarya stenoptera
Pterocarya stenoptera is a light-loving tree species, which is extremely resistant to water and humidity, and is also called poplar in the south. The inflorescence of Pterocarya stenoptera is similar to that of Populus alba, so many people will confuse them. But the leaves of Pterocarya stenoptera are pinnately compound, which is different from poplar. Pterocarya stenoptera is a good greening tree species in low-lying wetlands on both sides of the river bed and will also be used as a street tree. However, it should be noted that Pterocarya stenoptera leaves are toxic and should not be planted near fish ponds.
Ficus microcarpa
Banyan trees are common in the southernmost provinces of China, such as Jiangxi where I live. The banyan tree is tall with dense branches and leaves, full of green. Banyan also has its unique aerial roots. Its aerial roots are drooping, thin, long and numerous, which is more spectacular at close range.
It used to be a very popular street tree, but because the root system of banyan is too developed, its aerial roots will grow into its branches when they hang down and touch the soil, so its branches will become thicker. Because the root system is too developed, it will arch the ground and destroy the smoothness of the road, so the banyan tree is gradually neglected, and now it is rarely used as a street tree.
Eleven, Ailanthus altissima
Ailanthus altissima is mainly distributed in the Yellow River Basin. There are five varieties of Ailanthus altissima, Ailanthus altissima and Ailanthus altissima in China, which are mainly distributed in the north and southwest of China. The trunk of Ailanthus altissima is tall and straight, the crown is broad, the leaves are thick and shady, the tender leaves are purplish red in spring and the trees are full of red fruits in autumn. It has high ornamental value and is a good ornamental tree and street tree. Moreover, Ailanthus altissima has strong smoke resistance and is also suitable for greening in industrial and mining areas.
Twelve, coconut
Coconuts are produced in the tropics. It was cultivated in Hainan and southern Yunnan more than 2000 years ago, and now it is also cultivated in Guangxi, Guangdong and Fujian. Coconuts are green and tall, and they bloom almost all year round. They can be used as street trees in scenic spots in tropical and subtropical regions. Coconut is full of treasures, so it is called "treasure tree".