Ginkgo biloba is a medium-sized deciduous tree, which can grow to 20-35 meters high, with thin crown and irregular branches.
Ginkgo biloba leaves are very special among seed plants. The leaves are fan-shaped and the veins are the same. Some leaves grow on the branches, scattered on the left and right sides, some grow into a ball, and there are many pieces in one place.
Ginkgo biloba, as a gymnosperm, has only seeds, and has not evolved the fruit structure of angiosperms, but the seed coat of Ginkgo biloba is developed and looks no different from the fruit of angiosperms. Ginkgo seeds are1.5-2cm, and are wrapped by a yellow seed coat of 2-3cm. Ginkgo seeds are a bit like apricots. They are beautiful, but they contain a lot of butyric acid and smell like bad cream. Some people are allergic to the ingredients in fruit pulp, itchy and blistered, and they need to wear gloves when washing fruits. Seeds can be eaten after peeling and cooking, which is a traditional food in China and Japan.
Ginkgo tree is not afraid of urban pollution, and other trees can grow in places where they can't live, so it is even more strange that its relatives are extinct. Because of its great life and beauty, it is suitable to play a role in the beauty of the city. Ginkgo biloba can also be planted as a bonsai for decoration. Ginkgo biloba takes 20-30 years from seed to fruit, so it is called Gongsun Shu, which means that the trees planted by my father-in-law can't be harvested until my grandchildren.
Ginkgo biloba extract has a special position in Chinese medicine for hundreds of years. There is ginkgo in Chinese medicine, which is the seed of ginkgo. According to Compendium of Materia Medica, "Ginkgo biloba is slightly bitter and sweet, mild in nature and slightly toxic, and eating more makes people feel abdominal distension". "Cooked food warms the lungs and tonifies qi, relieves asthma and stops cough, reduces stool and stops turbidity, eats raw phlegm, disinfects and kills insects, chews pulp and applies it to nose, face, hands and feet to remove black nose, dryness, wrinkles, scabies, scabies and crabs". It was not until modern times that western scholars began to study the medicinal value of Ginkgo biloba.
Ginkgo biloba leaves contain flavonoid glycosides, which can be used as medicine. Refined products are now widely used to prevent dizziness and enhance memory. But whether there are these uses or not is still controversial.
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