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A walk in the Stratford water meadows July 2019 

(the northern part  of the Avon Valley Nature Reserve) 

The Meadowsweet white flowers in the foreground belong to the genus Filipendula but used to be in the Genus Spiraea. This gives a clue to a link with the Willow trees in the background which belong to the Genus Salix, other than both liking damp places.

 

Both have been used for centuries as a source of salicylic acid or its precursor salicin for pain relief. In 1853 a chemist made acetyl salicylic acid which was less irritant to the stomach and in 1897 Bayer found a better way of making it then marketing it, putting the A from Acetyl, then the spir from the then Genus name Spiraea into Aspirin as their brand name. It remains a brand name (Trade Mark) in Germany and many other countries today but in the UK (and USA and France) aspirin can be used as a generic name and other brand names applied by other manufacturers. Bayer uses Aspro© in the UK, a popular soluble brand uses Dispro©. This is because Bayer were obliged to cede their rights to use Aspirin (and similarly Heroin) to the victorious Allies countries in the Treaty of Versailles (1919).

 

Aspirin is probably the most widely used drug ever made (if we exclude alcohol) and probably saves the most lives and certainly the most lives per £1 spent in reducing blood clots. All from Meadowsweet and Willow as growing in our village nature reserve.

Water Crowfoot, Ranunculus aquitilis, from the Buttercup family
Yellow Vetch, Vicia lutea is a member of the pea family.
Silverweed, Potentilla anserine, an edible member of the Rose family.
Tufted Vetch, Vicia cracca is a member of the pea family.
A new family has moved in
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Walkers also report otters in our stretch of the Avon but this photographer will never catch them.

All images and text on this page : Kerry O’Connor

This is a link to our webpage about the Avon Valley Nature Trail and a species leaflet.