The leather hat (Echinodorus grandiflorus), also popularly known as "Minas Gerais tea", is a semi-aquatic plant native to Brazil, found mainly in the flooded regions of the cerrado, in the states of Minas Gerais, São Paulo, Mato Grosso do Sul, Paraná and Santa Catarina. This plant has hard leaves like leather, its flowers are whitish and, when it reaches maturity, can reach 1.5 meters in height.
 
The leather hat has many benefits, it is used for the treatment of throat inflammations and wound healing. It is also used in diseases such as arthritis, arthritis, rheumatism, stomach and kidney problems, skin infections, high cholesterol, hypertension and liver diseases.
 
This herb also has a diuretic and depurative action of the organism and is therefore very important for the treatment of the affections of the kidney and the urinary tract, the liver and the stomach.