This perennial plant grows in Europe and the U.S. It has bright yellow flowers with tiny perforations on the petals. The essential oil is steam-distilled from the wild-crafted aerial parts of the plant. It has been used for anxiety, depression, traumatic shock and tension. It is also used for bruises, wounds, toothache and concussion. It is said to be anti-inflammatory, antimicrobial, astringent, nervine and vulnerary.