Arnica montana Flower Identity & Plant Part
The botanical entity is Arnica montana L., a rosette-forming perennial of the daisy family, Asteraceae, growing in nutrient-poor mountain pastures. The part used is the flower head. The root, rhizome and leaves are excluded from this arnica montana extract.
Heterotheca inuloides, known as Mexican arnica, belongs to another genus and appears in trade as a substitute. Arnica chamissonis is a related species and should not be treated as interchangeable without a species statement.
Sesquiterpene lactones, flavonoids and a small volatile fraction are the constituent families of the flower head.












