What's the use of willow?

1. Technical value: The bark of willow contains tannin, which is worse than that of dried willow. It can be used as utensils and paper raw materials, and catkins can be used to fill chair cushions and pillows. The fiber of willow bark can be used as raw materials for weaving and rope making, and branches can be woven into baskets, baskets, wicker boxes, safety helmets, etc. Willow is light, easy to cut, not deformed after drying, and has no special smell. It can be used as a material for buildings, potholes, box boards and matchsticks. Wood has high fiber content and is the raw material for papermaking and rayon. Willow and willow branches are good fuelwood. Many kinds of wicker can be woven into baskets, boxes, hats and so on.

2. Ornamental value: Willow is one of the main tree species in North Temperate Park, with beautiful tree shape, early flowering and shady trees in early spring. Such as weeping willows and Korean weeping willows, with slender drooping branches, such as willow leaves of eyebrows. All kinds of shrubs and willows are resistant to pruning and can be cultivated into shrubs of various shapes or used as hedges. Willow is most suitable for waterside greening in garden landscape, such as "Willow Warming Warbler" in Hangzhou West Lake and "Taoxi Liuan" in Guiyang Huaxi.

3. Environmental value: Sweden obtains bioenergy by cultivating short-rotation willow dwarf forest, which is mainly used for agricultural land, and the generated biomass is used for cogeneration of regional heating plants. While producing bioenergy, willow dwarf forest can also play a role in removing pollutants and managing the environment. Sweden has successfully used willow undergrowth plants to treat urban wastewater, landfill leachate, industrial wastewater (such as wastewater from wood storage plants sprayed with logs), sewage sludge and sawdust. , mainly through plant absorption to reduce pollutants and excessive nutrients in water and soil, and promote the degradation of organic pollutants by soil microorganisms. This process is called phytoremediation.

4. Medicinal value

① Liu Hua: Liu Hua, also known as Liu Zi, is cool and soft, and can be used as a pillow core to soothe the nerves and hypnotize. If Liu Hua is finely ground, it can treat jaundice, hemoptysis, hematemesis, hematochezia and amenorrhea in women, and it can also treat toothache for external use.

② Willow leaves: Like catkins, willow leaves are rich in tannins, which have the functions of clearing away heat and toxic materials, promoting diuresis and reducing swelling. Decocting with water can treat upper respiratory tract infection, bronchitis, pneumonia, cystitis, mumps and pharyngolaryngitis, and mashing and external application can treat heel pain.

③ Willow branches: Willow branches are traditional Chinese medicine bone-setting drugs. Can be decocted in water, and can be used for treating coronary heart disease, chronic bronchitis, urinary tract infection, burn and scald, etc. Has obvious curative effect on rheumatic and rheumatoid arthritis.

④ Willow root: Willow root can dispel wind and promote diuresis, reduce swelling and relieve pain, and can treat breast abscess, toothache, otitis media, jaundice and other diseases.

⑤ Willow bark: Willow bark can eliminate phlegm and improve eyesight, clear away heat and dispel wind, and can still cure scabies by decoction and fumigation.

⑥ Willow scraps: Willow scraps are scraps from the holes where willow insects eat. It can be used to treat itching and dermatitis by boiling water bath or frying hot cloth and warm ironing.