What does the hawthorn bonsai tree look like?

This year, cities launched the "City Tree" collection and selection activities. City tree is a concentrated symbol and display of urban regional characteristics and humanistic characteristics, and it is also an important symbol and personalized business card of modern city image. The selection of "city trees" is conducive to improving the city's taste, expanding its external influence, promoting urban and rural ecological protection and improving the ecological and living environment. Let's take stock of the city trees in several cities.

Nantong: beech tree. According to the geographical conditions, climate characteristics, history and culture of Nantong City and the situation recommended by the citizens, it is the expert review team that first identified three candidate tree species of Zelkova schneideriana, Ginkgo biloba and Albizzia julibrissin, and then identified Zelkova schneideriana as the city tree of Nantong City through the second collection in the society.

Zelkova schneideriana is a tall deciduous tree with thick shade in midsummer, red autumn leaves and bright colors. It has the remarkable characteristics of beautiful tree shape, fast growth, wide use and good landscape effect. The tree is tall and majestic, hard in material, and has the image of perseverance and standing proudly, which is quite similar to the Haimen spirit of "letting all rivers flow into the sea and be tenacious" in the new period. It is the main garden tree species widely planted in Haimen area. Zelkova schneideriana is one of the local native tree species in Haimen, with high social awareness and certain cultural connotation, which is deeply accepted by the public. Zelkova, because Zelkova is homophonic with Juju, planting Zelkova means "Zhongju". At the end of the Qing dynasty, Zhang Jian, the top scholar, took the exam and then won the first place. The beech tree can better reflect the characteristics of Haimen's "hometown of education"

Qianjiang: Metasequoia glyptostroboides. Metasequoia glyptostroboides was selected as a city tree in Qianjiang City after six stages of selection, including organization, expert recommendation, citizen selection, expert review, Qianjiang Municipal Government review and deliberation and announcement by the Standing Committee of the Municipal People's Congress.

Metasequoia glyptostroboides is a deciduous tree with straight trunk, beautiful tree shape and long life. It is a good ornamental tree species and a fast-growing and high-yield tree species, which is widely used in landscaping and channel greening. Qianjiang City is the earliest county and city in China to carry out artificial planting of Metasequoia glyptostroboides. Because of the planting of Metasequoia glyptostroboides, it has achieved the reputation of "water garden" in Qianjiang City, leaving a profound human history such as Metasequoia stele. In the strategy of "urban and rural integration, walking in the forefront", Metasequoia glyptostroboides is taken as the city tree to build a brand-new "water garden" city, which conforms to the characteristics of water towns in plain lake areas and represents the spirit of perseverance, integrity, unity and dedication of Qianjiang.

Wuhai: Elaeagnus angustifolia. Elaeagnus angustifolia, deciduous tree or arbor, 5 ~ 10 m high, spineless trunk, reddish brown branches, 3 ~ 4 cm long. Also known as Liu Yin, Xiangliu, Cinnamon, Qilixiang, etc. It has the reputation of "the soul of the desert". Strong and vigorous, standing proudly, not afraid of cold, standing in the desert, never flinching in the face of harsh environment, is the ecological guardian of the security barrier in northern Xinjiang of the motherland. Elaeagnus angustifolia is alkali-resistant, drought-resistant, cold-resistant, wind-proof and sand-fixing, protecting farmland and greening desert. Its survival posture has become a symbol of the blooming youth of the towering ecological new city.

As early as the initial stage of development and construction in Wuhai, Elaeagnus angustifolia was the largest growing tree species, which spread all over the banks of the Yellow River and became the main tree species planted in Wuhai. Nowadays, although the distribution of Elaeagnus angustifolia in Wuhai has decreased, the memory it brings to Wuhai people will never be erased. Essays, poems and photos about Elaeagnus angustifolia emerge one after another, which shows people's deep feelings for Elaeagnus angustifolia.

Zoucheng: Gleditsia sinensis. Gleditsia sinensis is a native tree species with a long history of cultivation in Zoucheng, which has local regional characteristics and plant adaptability. At the end of the Han Dynasty, the Record of Famous Doctors once recorded: "Gleditsia sinensis was born in Yongzhou Valley and Shandong and Zou counties, and it would be good if it were like pig teeth." Zoucheng, as the origin of Gleditsia sinensis, a rare tree species, is known as the "hometown of Gleditsia sinensis". Its pods, seeds and pods are precious Chinese herbal medicines and important chemical raw materials, with beautiful tree shape, which is suitable for street trees, shade trees and landscape trees. It has good economic, ecological and social benefits, and has a sense of identity and unique sense of belonging and pride in the city. At present, demonstration bases of precious tree species have been established in Kanzhuang, Xiangcheng and other towns.

Heyuan: camphor tree. At present, more than 20,000 camphor trees have been planted in Heyuan built-up area. Cinnamomum camphora is a native tree species in Heyuan, which has a long history of planting and reproduction and is widely distributed in Heyuan. Cinnamomum camphora is tall and beautiful, highly recognized by the masses and highly ornamental; Identifying camphor tree as a city tree can improve the urban quality of Heyuan and highlight the humanistic spirit, which is of far-reaching significance for promoting the construction of ecological civilization and spiritual civilization in Heyuan.

Linyi: Ginkgo tree. Ginkgo biloba is known as a living fossil in the plant world, with lush foliage and tall trees, and has a long history of planting in the local area. Tancheng County, Linyi City has the largest male ginkgo tree ever discovered-King of Ginkgo biloba, which is 42 meters high and more than 8 meters in diameter. Linyi is beautiful because of ginkgo trees. Ginkgo tree, as the city tree in Linyi, is deeply loved by local people.

Yunfu: Indus. After public voting, public comment and expert review, and the examination and approval of the third executive meeting of the sixth session of the municipal government and the meeting of the Standing Committee of the Municipal Party Committee, it was determined that the phoenix tree in Yunfu City was the "city tree".

Xuancheng: camphor tree. Cinnamomum camphora has a long history of cultivation in Xuancheng, which adapts to the geographical and climatic environment of Xuancheng and has a high survival rate, which can reduce the greening cost and improve the landscape greening effect.

Yulin: Magnolia tree. Magnolia grandiflora and Yulin are homophonic, so it is very popular in the choice of city trees. After many votes, Magnolia grandiflora was finally identified as the city tree of Yulin.

Zhengzhou: Fatong. After the enthusiastic voting of Zhengzhou citizens, Fatong finally got the highest vote rate and became the city tree of Zhengzhou.

Chaohu Lake: Tung Tree. Chaohu Municipal People's Congress held a standing committee to formally consider and approve the city tree as Paulownia.

Langfang: Sophora japonica. Approved by the Standing Committee of Langfang Municipal People's Congress, the city tree of Langfang is Sophora japonica.

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