What is the city flower of Hefei?

Plant name Magnolia grandiflora alias: Magnolia grandiflora, Magnolia grandiflora, Magnolia grandiflora Morphological characteristics: Magnolia grandiflora is an evergreen tree with a broad conical crown. Buds and branchlets are rusted. Leaves obovate, rectangular, leathery, rust-colored pubescent on the back, sometimes gray. These flowers are white, huge and fragrant. There are usually six petals, but there are also 9- 12 petals. Aggregate fruit is cylindrical, ovoid, densely covered with rust-colored hairs, and its seeds are red. The flowering period is from May to August, and the fruit ripens from May to June. Magnolia grandiflora is in full bloom, and the flowers look so clean and elegant among the green leaves. I can't describe the color of petals. Let's just say it's pure white, and there seems to be a touch of turquoise infiltration. I can't describe its texture in words. Let's say it's jade carving and ice carving, and it looks so flexible and elastic. In short, just a few beautiful words can't sum up all its connotations. Magnolia grandiflora blooms early and late. On the same tree, you can see all kinds of flowers. Some are in bud, and the green shoots are fresh and lovely. Some just opened flowers, and a few little bees couldn't wait to get in. The oval stamens inside are about an inch long. Magnolia grandiflora in full bloom, white and tender like a baby's smiling face, sweet and pure, attractive. Although the petals of the bustling Magnolia grandiflora tweed have withered, the stamens are still standing and have grown into round stems nearly two inches long. The round stem is covered with small purple particles like beads, which is the seed that breeds new life. From a distance, Magnolia grandiflora is like a big family, with several generations living under one roof. When it blooms, it smells rich! Magnclia grandiflora Lima, also known as Magnolia grandiflora, belongs to Magnoliaceae and Magnolia. [Morphological characteristics] Magnolia grandiflora is an evergreen tree with complete posture. The leaves are thick leathery, obovate, rectangular, with dark green and shiny surface and rust-colored fluff on the back. Large white flowers bloom in May and June, and the fruit ripens in 65438+ 10. Origin and distribution originated in southeastern North America. Now it is cultivated in major cities south of the Yangtze River valley in China. [Habits] Magnolia grandiflora is a subtropical tree species and grows well in the Yangtze River basin in China. Trees are negative, cold-resistant, suitable for deep, fat and wet places, so they develop well on river banks and lakes and have strong anti-poison ability. [Cultivation techniques] Propagation: Grafting and high pressure are commonly used, and sowing and cutting are rarely used. Grafting is usually carried out in March-April, and wild magnolia and Magnoliaceae plants can be used as rootstocks. High pressure adopts ordinary high pressure method, just like other flowers and trees. Sowing should be carried out from September to June in 5438+ 10, and the seeds should be harvested and matured in the shade. When the pod is completely cracked, the seeds should be taken out and washed with ash. After collecting water, seeds can be sown and covered with grass to promote the emergence of seedlings. Management: Magnolia grandiflora branches are easy to break and have weak wind resistance, so pay attention to wind protection. When planting, more fertile soil should be added to the rhizosphere, and manure water 1-2 times in summer can make a large number of flowers bloom in the next year. Pests include the flat thorn moth, the giant salamander moth and so on. The control method is the same as other flowers. [Use] Magnolia grandiflora can be used in gardens, parks, amusement parks and cemeteries. Lawns on both sides of the passage can plant trees alone or in rows; Small and medium-sized people can plant in groups on the flower stand. Academy, Summer Palace, Biyun Temple and other places are planted among ancient buildings. It is particularly harmonious with western architecture, so it is more suitable for western gardens. Magnolia grandiflora linn, alias Magnolia grandiflora, is an evergreen tree with a broad conical crown and rusty branches. Leaf blade oval, leathery, with rust-colored fluff on the back, shiny surface and slightly curled edge. The leaf length is 10-20 cm, and the other variety is Magnolia grandiflora, which has long and narrow leaves, less hair on the back and stronger cold tolerance. The flowers are large, white and fragrant, with a diameter of 20-30 cm. Flowers are generally 6 petals, flowers as big as lotus, and 3 petals. The filaments are purple; The flowering period is from May to July, the seed coat is red, and the fruit matures from September to 65438+1October. Usually Magnolia grandiflora can grow to 30 meters, but ordinary Magnolia grandiflora can only grow to 16-23 meters. The crown of the tree is oval and conical, with rust-colored fluff on the branches and buds, and the branches are magnificent. Magnolia grandiflora is an excellent environmental protection garden tree species with beautiful tree shape and rich fragrance, which is suitable for greening of factories and mines and closely related to human survival. Flowers containing aromatic oil and magnolin can be used to make flower extracts; Leaves are used as a medicine to treat hypertension. Propagation is carried out through seeds, but usually magnolia is used as rootstock for grafting. It has strong resistance to sulfur dioxide and chlorine and can be cultivated in areas with serious air pollution. Habit: Strong resistance to harmful gases, sun-loving plants. The medicinal name Magnolia grandiflora has the effect of dispelling wind and dispelling cold; The Latin name folsseu cortex magnolia e grandiflorae is used to treat exogenous cold; Headache and nasal congestion; Abdominal pain; Vomiting and diarrhea; Hypertension; Classification of migraine curative effect: clearing away heat and toxic materials; Astringent and myogenic drugs, bitter in nature; Acid; The basic source of cold medicine is the bark of Garcinia Multiflora. And gamboge. Ex Benth。 Usage and dosage: decocted, 3- 10g. External use: take appropriate amount, mash or crush it and sprinkle it on the affected area. Ecological habits like warm and humid climate and need deep, fertile and well-drained acidic soil. Like sunshine, but young trees are quite resistant to shade, not to strong light or western sun, otherwise it is easy to cause trunk burns. Strong resistance to smoke and toxic gases. Less pests and diseases, moderate growth rate. After 3 years, the growth will gradually accelerate, and it can grow more than 0.5 meters per year. Morphological characteristics Magnolia grandiflora, evergreen tree, 20-30m high. Bark light brown or gray, split into thin scales. Branches and buds have rust-colored hairs. Leaves long oval, alternate; Petiole length 1.5-4 cm, brown pubescence on the back; Stipules are separated from petioles without stipules; The leaves are leathery, oval or obovate-oblong, with a length of10-20cm and a width of 4 4- 10/0cm. The apex is blunt or tapering, the base is wedge-shaped, the upper surface is dark green and shiny, the lower surface is light green, with rusty hairs, and the lateral veins are 8-9 pairs. The flower is fragrant, white, cup-shaped, with a diameter of 15-20cm, and looks like a lotus when it opens; Pedicel thin and fluffy; Perianth 9- 12, obovate, thick fleshy; Stamens are numerous, about 2 cm long, filaments are flat, purple, anthers are inward, and connective protrudes into a mucronate; The gynoecium is oval, densely villous, and the carpel is oval, with a length of 1- 1.5 cm and a curly style. Aggregate fruit is cylindrical, oblong or ovoid, densely covered with brown or grayish yellow fluff, and the top of the fruit has a long beak. The seed is ovoid or ovoid, with flat side, about 65438±0.4cm long and 6mm wide. The flowering period is from May to June, and the fruiting period is 65438+1October.