Whole flower.
Emollient, balsamic, expectorant. Mild laxative. Emollient. It is one of the "cordial flowers" along with VIOLETS and POPPIES.
Recommended method of use for infusions:
Pour the contents of a tablespoon into boiling water and remove from heat. Cover the container and let it steep for 8 to 10 minutes. If they are roots, bark, or seeds, simmer for 2 to 4 minutes. Strain and sweeten to taste.