The plant occurs in many places in the world, including almost all of Europe, the Middle East and even in the north-western part of Africa. In Poland, it is a very common species, less frequently found only in the south-western part of the country.
Fertilized willow wither is herbal dried which in folk medicine is used as a remedy for prostate problems.
Active agents in the composition of willow trees are tannins that have anti-inflammatory and anti-haemorrhaging properties, flavonoids that have antioxidant, diuretic anti-inflammatory and anti-inflammatory as well as phytosterols.
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