Source: aerial parts and flowers.
Actions: tranquillising, sedative, antispasmodic.
Therapeutic uses: anxiety, stress, insomnia, cramps, toothache, menstrual pain, headache.
Typical preparation: infusion, tincture, tablets.
Contraindications: can cause drowsiness, so caution is needed when driving or handling machinery. Avoid high doses (over 250mg a day) when pregnant.