Ginkgo biloba is three thousand years old. The local name “gingkgo gingko.†(Latin name Ginkgo biloba) is alias: ginkgo, Gongsun tree, duck foot tree, and poplar fan. It is a gymnosperm plant. Ginkgo biloba is a deciduous tree, which blooms in May and matures in October. The fruits are orange and yellow. Ginkgo biloba is a relict plant. All the other plants that are at the gate with it have become extinct. Ginkgo biloba is the oldest relict plant in existing seed plants. Variants and varieties are: yellow leaf ginkgo, tower-shaped ginkgo, split ginkgo, weeping ginkgo, variegated ginkgo. Ginkgo biloba grows slowly and has a very long lifespan. It takes more than 20 years from planting to fruition. After 40 years, it can produce a large number of results. Life expectancy reaches more than a thousand years old. In the existing 3,000-year-old tree, the trees are still full of lush foliage and fruit. It is the oldest star in the tree. There is a large ginkgo tree in Shandong's Dinglin Temple, which is said to have been planted in the Shang Dynasty and has a history of more than 3,000 years. Ginkgo biloba first appeared in the Carboniferous 345 million years ago. Once widely distributed in Europe, Asia, and the Americas in the northern hemisphere, the Mesozoic Jurassic ginkgo had been widely distributed in the northern hemisphere and began to decline in the late Cretaceous. As far as 500,000 years ago, a Quaternary glaciers movement took place, and the earth suddenly became cold. Most ginkgo plants were infested and extinct in most parts of Europe, North America, and Asia. Only China’s natural conditions were superior and it was only miraculous. Save it. Therefore, scientists are called "living fossils" and "plant pandas." Ginkgo biloba in the wild state remains in the mountains of western Zhejiang Province in the north of Xuzhou, Jiangsu Province (Luzhou City), in the south of Shandong Province, Lincang (Fucheng County). There are wild and semi-wild Ginkgo biloba communities in Tianmu Mountain in Zhejiang, Dabie Mountains in Hubei, and Shennongjia.
. Due to the scarcity of individuals, dioecious plants, if not strictly protected and promote natural regeneration, will be replaced by residual forest. The distribution of Ginkgo biloba mostly belongs to artificial cultivation areas and is mainly cultivated in China, France and South Carolina. There is no doubt that foreign ginkgo is directly or indirectly imported from China. Morphological characteristics: Ginkgo biloba Ginkgo deciduous large trees, bark grayish brown, deep longitudinal cracks. The canopy is broadly ovate and branches have long branches and short branches. The annual long branches are light brown, then grayish white, with fine longitudinal cracks, and short branches densely covered with leaf scars. Leaves fanlike, with bifurcate veins, often 2-lobed at tip. Alternate on long branches and clustered on short branches. Dioecious, seed-fruited, oval-shaped, pale yellow or orange-yellow when cooked, leaves covered with white powder, flowering from April to May, seeds mature from September to October. Up to 40m in height and about 4m in diameter at breast height. Generally, the growth is slower. In the case of better water and fertilizer conditions and careful management, the saplings grow faster. Baoying, Jiangsu, is 7 years old. The tree height is about 7m, and the diameter at breast height is about 6cm. The 20th year begins to bear fruit and the 30-40 year enters the peak period.
ginkgo
The tree is tall and straight, and the leaves resemble a fan. Crown shade-like, with a cooling effect. Leaf shaped, long life. No pests and diseases, no pollution to the environment, clean and smooth trunks, is a famous pollution-free tree species, is conducive to the reproduction of ginkgo and add landscape. Adaptability, Ginkgo biloba climate soil requirements are very wide range. Anti-smoke, fire and toxic gases. Ginkgo tree is tall, trunk straight, beautiful posture, green spring and summer, golden autumn, is the ideal landscaping, street trees. Can be used for landscaping, roads, highways, field forests, windbreaks ideal for growing trees. It is listed as China's four major long-lived ornamental tree species (pine, cypress, alfalfa, and ginkgo). China is not only the hometown of Ginkgo biloba, but also one of the earliest and most fruitful Ginkgo cultivars. Throughout the ages, whether it is ginkgo cultivation area, or ginkgo output, China ranks first in the world. Judging from the age of the existing ancient Ginkgo biloba trees, Ginkgo biloba was planted between Chinese merchants and Zhous.
Ginkgo biloba is a unique and rich economic plant resource in China. Seed coat can be raised. Light yellow wood, detailed, light and soft, for construction, furniture, sculpture and other crafts. It is also a garden tree and a street tree. Seeds contain hydrocyanic acid, histidine acid, proteins, and the like. Seeds for food, more food poisoning, Chinese medicine can be used as seeds and leaves medicine, nature, bitter taste, there is a small drug.
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