They are found in meadows, in the woods - they bloom in spring - spontaneously. They have had - and have - many virtues, in addition to attractiveness. We remember the antispasmodic, calming, expectorant properties. They should be harvested in the spring; its roots, leaves, flowers are used. They were also used as an infusion against dizziness, palpitations, stuttering, light paralysis, migraines. In addition, it seems to be useful in painful abscesses: it is recommended, in case, to "apply hot poultices of cooked leaves". They are in the Royal Gardens.