Geum urbanum

Geum urbanum
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Rosids
Order:	Rosales
Family:	Rosaceae
Genus:	Geum
Species:	G. urbanum
Binomial name
Geum urbanum L.

Geum urbanum, also known as wood avens, herb Bennet, colewort and St. Benedict's herb (Latin herba benedicta), is a perennial plant in the rose family (Rosaceae), which grows in shady places (such as woodland edges and near hedgerows) in Europe and the Middle East.

Usually reaching a height between 20 and 60 cm, wood avens blooms between May and August, and its flowers are 1 – 2 cm in diameter, having five bright yellow petals. The hermaphrodite flowers are scented and pollinated by bees. The fruits have burrs, which are used for dispersal by getting caught in the fur of rabbits and other animals. The root is used as a spice in soups and also for flavouring ale.

Geum urbanum hybridises fairly regularly with Geum rivale (water avens), as they are closely related and occur together.

In folklore, wood avens is credited with the power to drive away evil spirits, and to protect against rabid dogs and venomous snakes. It was associated with Christianity because its leaves grew in threes and its petals in fives (reminiscent of, respectively, the Holy Trinity and the Five Wounds). Astrologically, it was said to be ruled by Jupiter.

Wood avens was stated to be a treatment for poison and dog bites. Paracelsus suggested its use against liver disease, catarrh and stomach upsets.

Geum urbanum herb and roots have been used in the traditional Austrian medicine internally as tea for treatment of rheumatism, gout, infections, and fever.

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Wikipedia