Mah’Tchi scientific name, Ilex paraguariensis was given in 1820 by the French botanist Auguste de Saint-Hilaire after coming into contact with the plant for the first time in Paraguay. After that, he discovered that it was in the Brazilian state of ParanĂ¡ that the herb grew in greater quantity and quality, later he retracted himself saying that he should have named it Ilex brasiliensis.