The compound called salicin comes from the bark of the willow tree and it is the active ingredient of the pain reliever called 'aspirin'.
Canadian Tree Guide
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Mountain Ash
American mountain ashSorbus americana Marsh.
American mountain ash is a small (<12 m) tree. The fruit is an important source of food for many birds and some mammals. It makes a scrumptious homemade jelly. The First Peoples used the fruit and inner bark for medicinal remedies.
showy mountain ashSorbus decora (Sarg.) Schneid.
Showy mountain ash can reach heights of more than 20 m, but more commonly it grows to a height of about 10 m. The flowers, as the name infers, are 'showy' and bloom after the leaves are fully-grown. Early European settlers believed that this species had 'magical powers' and often planted this tree in their gardens.
Tree Guide
