Why are heather stems dirty? What's the smell of heather? Wuhan Shinan Picture @ Voice of Hubei: It's still the same formula, or the familiar smell, which dominated the dangerous chemical weapons in Wuhan throughout the spring. At the same time, it was called the most polluted flower Shinan by netizens! Many places have "fallen" in that "special" flower fragrance! Heather blossoms, so I asked you if you were afraid. Some netizens can't help but ask: The smell is so bad, why should Wuhan plant it? It turns out that heather is evergreen all year round, which is ornamental and can absorb toxic and harmful gases, so it can reduce dust and protect the environment. In addition, its flowering period is short, generally only 15 to 20 days. Compared with its pungent smell, its ornamental and purification value is more important. Since it is so useful, just bear it! This article was published in 20 16-03-3 1 Chutian Metropolis Daily. "Still that kind of formula, or that kind of familiar taste, can't catch up. Heather in Wuhan is blooming again! Do you feel the malice from spring? " Recently, jokes about heather went viral on the Internet, and this common street tree was dubbed "the most polluted flower" by netizens. Many citizens have reported that there are many similar plants, which smell bad and taste strange, and they are unscrupulous in Wuhan in spring, which makes people feel bored.

Pictured: After the smelly heather blooms, teachers and students make a detour. "Every year at this season, this unpleasant smell will appear on the Nanhu dormitory path." Xiao Chen, a sophomore at Huazhong Normal University, said. Yesterday, the reporter saw on the road in Nanhu Campus of Huazhong Normal University that there was a heather on both sides of the road, with a trunk about 2 meters high and lush leaves. The green leaves are surrounded by yellow and white flowers, among which there are many flowers and bones to be opened.

In Hubei University of Technology, this cluster of snow-white heather blooms in April every year, with a strong smell, and many students make a detour. Xiao Yu, a student of Art College, said that some students recently went to work in a lake, and he prepared a mask in case the students couldn't accept the intoxicating smell.

In Wuhan University of Technology, Weibo, the official of the Youth League Committee of the school, spoke directly: In another year, Heather will bloom. Children, are you all right? In front of Xinyi Gate and on the Second Bridge of Science and Technology, the taste of life accompanies you and me. It is said that holding your breath is more suitable for Heather.

The reporter learned that in addition to colleges and universities, there are such strange heather figures in Optical Valley, Cavalry Training Ground, East Lake, Hanyang Bridge Head and other sections and parks, and passers-by pass by quickly. In fact, "dirty flowers" absorb most pollution and dust. "Why do you want to grow such a smelly flower? Can you remove them and replace them with other trees? " Xiao Chen Tucao said

Professor Chen Longqing, a plant expert at Huazhong Agricultural University, said that the advantages of heather far outweigh the disadvantages. This tree is evergreen all the year round, with red leaves and white flowers in early spring, evergreen in summer and red fruits in autumn. It is very ornamental all year round, and it can also absorb toxic and harmful gases in the surrounding environment, which has the effect of dust suppression and environmental protection. Professor Chen said that the flowering period of this flower is very short, generally only 15 to 20 days. Compared with its pungent smell, its ornamental value and purification value are more important.

Dong, a senior engineer of Wuhan Academy of Landscape Sciences, said that there are many kinds of photinia plants planted in main roads and parks in Wuhan, among which Photinia and Photinia rubra are the most common, as well as Photinia and Photinia obovata. Heather is the kind with flowers and taste, while other kinds are ok, and basically have no taste. In recent years, heather has been widely planted in the streets of Gong Yuan because of its functions of dust suppression and street beautification. Now this kind of plant can be seen everywhere in Wuhan. In fact, heather has been planted in many other cities except Wuhan. There are many exotic flowers and plants around us, which are very smelly. Besides heather, there are many plants that people can't avoid. Chu Jiahai, a doctor of flowers in Wuhan Botanical Garden, Chinese Academy of Sciences, said that there are also evergreen rattan, which smells a little smelly, while Wang Hua and Nepenthes. It also smells like a corpse.

According to reports, among the more common plants, the flowers of Ligustrum lucidum can also remind people of the "exciting" smell, and similar exotic flowers and exotic plants include chestnut flowers, which are even worse than heather flowers. Because these plants often grow in the wild, they are not easily felt by people.

Why do plants produce these strange-smelling flowers? Chu Jiahai explained that besides bees and butterflies, some plants also want to attract other insects to help them pollinate. For example, in order to attract flies and other insects that like bad smell, the king flowers give off the smell of corpses. Although the taste of these flowers is strange to humans, some insects like them very much.

Experts suggest that the smell of all kinds of exotic flowers and herbs will make pregnant women feel uncomfortable or want to vomit. Therefore, people with allergies or respiratory diseases, if they encounter exotic flowers and plants such as heather, had better avoid or wear masks to avoid causing physical discomfort.

Chutian Metropolis Daily reporter Zhou Zhitao Le Yi Photo: Chutian Metropolis Daily reporter Wang Yongsheng