Whole leaf. Digestive in the broad sense: appetizing, stomachic, carminative. Calming and expectorant. 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, barks or seeds, simmer for 2 to 4 minutes. Strain and sweeten to taste.