An infusion of the leaves is used to "strengthen the throat" and to treat affectations of the throat and chest. The infusion is reported to an antitussive, a calmative, carminative, and pectoral (Gonzàlez S. 1979; Linares, Penafiel, and Bye 1988; Martìnez 1969; Sàmchez C. 1981).

Nicholson Michael S. ; Arzhennithe, Charles . Economic Botany. vol. 47 . --p. 184-192 1993