White Willow

Description:

These willow woods are dying at the moment. Willow Trees, such as these have a average lifespan of about forty years.

Notes:

White willows are fast-growing, but relatively short-lived, being susceptible to several diseases, including watermark disease caused by the bacterium Brenneria salicis (named because of the characteristic 'watermark' staining in the wood; syn. Erwinia salicis) and willow anthracnose, caused by the fungus Marssonina salicicola. These diseases can be a serious problem on trees grown for timber or ornament. Hippocrates, Galen, Pliny the Elder and others knew willow bark could ease aches and pains and reduce fevers. It has long been used in Europe and China for the treatment of these conditions. This remedy is also mentioned in texts from ancient Egypt, Sumer, and Assyria. The Reverend Edmund Stone, a vicar from Chipping Norton in Oxfordshire, England, noted in 1763 that willow bark was effective in reducing a fever. The bark is often macerated in ethanol to produce a tincture. The active extract of the bark, called salicin, after the Latin name Salix, was isolated to its crystalline form in 1828 by Henri Leroux, a French pharmacist, and Raffaele Piria, an Italian chemist, who then succeeded in separating out the acid in its pure state. Salicylic acid, like aspirin, is a chemical derivative of salicin.