What are the characteristics of Osmanthus fragrans?

Sweet-scented osmanthus is the customary name of many trees of the genus Oleaceae, also known as osmanthus, Jiuli incense, golden millet, etc., sweet-scented osmanthus trees in China have a history of more than 2500 years, have been widely used in the garden to watch, a wide variety of horticulture, the most representative are osmanthus, silver osmanthus, cinnamon, laurel and so on, let's take a look at the characteristics of sweet-scented osmanthus trees!

The flowers are extremely fragrant

Sweet-scented osmanthus usually blossoms from September to October, Cymes are born in leaf axils, Corolla yellow-white, light yellow, yellow or orange, fragrant flowers, clear can be dusty, thick can be overflowing, can be called unique, especially in mid-autumn, when the cassia is in full bloom, the night is in full bloom, the wine is in full bloom, Chen fragrance is refreshing and refreshing. In ancient Chinese flower poems, the number of works on cinnamon is also considerable, and it has been loved by the Chinese people since ancient times.

Strong adaptability

Osmanthus fragrans is suitable for subtropical climate and is warm and humid. The average temperature of planting area is 14: 28 ℃, the average temperature in July is 24: 28 ℃, the average temperature in January is above 0 ℃, the lowest temperature is-13 ℃, and the optimum temperature for growth is 15-28 ℃. Humidity is extremely important to the growth and development of sweet-scented osmanthus, requiring an average annual humidity of 75-85% and an annual precipitation of about 1000 mm, especially when young and adult trees blossom, and will affect flowering in case of drought. Strong sunshine and shade are harmful to its growth, generally requiring 6-8 hours of light a day.

Widely distributed

Osmanthus fragrans are native to the eastern part of the Himalayas in southwest China, and are also distributed in India, Nepal and Cambodia. Wild sweet-scented osmanthus grows in southwest China, Sichuan, southern Shaanxi, Yunnan, Guangxi, Guangdong, Hunan, Hubei, Jiangxi, Anhui, Henan and other places. It is widely planted in the Huaihe River basin and south. Its suitable area can reach the lower reaches of the Yellow River in the north and Liangguang, Hainan and other places in the south. And formed Anhui Lu'an, Hubei Xianning, Hunan Taoyuan, Jiangsu Suzhou, Guangxi Guilin, Hubei Wuhan, Zhejiang Hangzhou and Sichuan Chengdu several national famous sweet-scented osmanthus commodity production bases.

There are many varieties

After long-term planting, natural hybridization and artificial breeding, sweet-scented osmanthus has produced many cultivated varieties. Through further investigation and cleaning, 32 sweet-scented osmanthus varieties have been preliminarily identified. In terms of design and color, it can be divided into golden cinnamon, silver cinnamon and cinnamon. As far as the leaf type is concerned, there are willow leaf cinnamon, golden fan cinnamon, dripping yellow, sunflower leaves, firewood stalk yellow. As far as florescence is concerned, there are August cinnamon, four seasons cinnamon, Yuejia and so on.

Wide range of uses

Osmanthus fragrans are evergreen all the year round, with luxuriant branches and luxuriant leaves, blooming in autumn and overflowing with fragrance, so they are widely used in gardens. Flowers can be used in food, cosmetics, cakes, candies, and wine. It can also be used as medicine for flowers, fruits and roots, with pungent flower taste and warm nature, with the effect of dispelling cold and breaking knot, resolving phlegm and relieving cough. it can be used for toothache, cough and dyspnea, dysmenorrhea and abdominal pain. Fruity pungent, sweet, warm, with the effect of warming the stomach, calming the liver and dispelling cold, for deficiency and cold stomachache. Root sweet, slightly astringent, sexual flat, with the effect of dispelling rheumatism and dispelling cold, for rheumatic muscle and bone pain, low back pain, kidney deficiency toothache and other diseases.