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Vaccinium macrocarpon
Description
This plant has tiny leaves arranged alternately. Its stem creeps along the ground. Its fruits are red berries. (They look just like teh domestic ones)
Habitat and Distribution
It only grows in open, sunny, wet areas in the colder regions of the Northern Hemisphere.
Edible Parts
The berries are very tart when eaten raw. Cook in a small amount of water and add sugar, if available, to make a jelly.
Other Uses
Cranberries may act as a diuretic. They are useful for treating urinary tract infections.
Steve's notes:
Wild cranberry is not a particularly great survival food, because you usually will have to cook the berries to make them palatable.
Research has shown that cranberries contain arbutin, which prevents bacteria from sticking to the sides of the bladder and urinary tract, thus curing many infections.