Cut plant. Astringent and anti-inflammatory, slightly decongestant of the upper respiratory tract, as well as a digestive eupéptic. 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 sit for 8 to 10 minutes. If they are roots, bark, or seeds, simmer for 2 to 4 minutes. Strain and sweeten to taste.