arnica montana L. (compositae), arnica, arnika, arnica

found mostly in mountain areas (europe, siberia, north america)

used parts: flowers, rarely roots
harvest: june to august
indication: local healing of bruises,sprains, arthritis, muscular soreness, inflammations
oral use: teas to improve vascular circulation.
topical use: against muscualr injuries etc.

as well as the herb is potentially toxic, homeopathic preparation are safe when taken according to directions