“…is the most abundant species growing in Brazil, Paraguay, Uruguay, and Argentine, being recognized three subspecies, polymorpha, ceanothifolia, and floccosa (Cabrera and Klein, 1973). It is known as "cambará", and flowers, leaves and trunk bark have been used in the traditional medicine for treating cough, bronchitis, colds, sore throat and respiratory diseases in general (Cabrera and Klein, 1973;Mentz and Schenkel, 1989;Schmeda-Hirschmann and Bordas, 1990;Garlet and Irgang, 2001;Bueno et al, 2005;Arambarri et al, 2008). Ethnopharmacology studies showed that a of infusion of the bark (1-10%) of this plant is used to sore throat in Kaiowá and Guarani indigenous populations in the Caarapó Reserve, Mato Grosso do Sul, Brazil (Bueno et al, 2005) while the leaves and trunk bark of G. polymorpha are used as tea and syrup in south of Brazil for inflammatory diseases from respiratory system (Garlet and Irgang, 2001).…”