Arnica

 

.The leaves form a flat rosette, from the centre of which rises a flower stalk, 1 to 2 feet high, bearing orange-yellow flowers. The rhizome is dark brown, cylindrical, usually curved, and bears brittle wiry rootlets on the under surface.

Arnica (  Arnica Montana )

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In countries where Arnica is indigenous, it has long been a popular remedy. In the North American colonies the flowers are used in preference to the rhizome. They have a doubtful property. The tincture is used for external application to sprains, bruises, and wounds, and as a paint for chilblains when the skin is unbroken. Repeated applications may produce severe inflammation. It is seldom used internally, because of its irritant effect on the stomach. Its action is stimulant and diuretic, and it is chiefly used in low fevers and paralytic affections. A bitter yellow crystalline principle, Arnicin, and a volatile oil. Tannin and Phulin are also present.