Whole petal. Sedative, pectoral, and expectorant (cough suppressant). It is one of the "heartfelt flowers" along with MALLOW and VIOLETS. Recommended way to prepare infusions: Pour the contents of a tablespoon into boiling water and remove from heat. Cover the container and let it sit for 8 to 10 minutes. If they are roots, bark, or seeds, simmer for 2 to 4 minutes. Strain and sweeten to taste.