343 White Butterbur Root Medicinal The root is emmenagogue, hypnotic, sedative and vulnerary. The ground or finely chopped rhizome has a healing effect when applied to slow-healing or weak ulcers, or to suppurating wounds. An infusion of the leaves is a specific remedy for coughs. A homeopathic remedy is made from the roots. It is used in the treatment of wounds, ulcers etc. 7,487