DetailsIlex Paraguensis, known as yerba mate, is a species of the holly family Aquifoliaceae native to South America. Yerba mate leaves are harvested to produce the beverage mate traditionally consumed in regions of South America. Ilex paraguensis grows as an evergreen tree which can be maintained as a shrub. Small white flowers producing red berries bloom in the late winter and early spring months. Ilex paraguensis prefers growing in full sun or light shade.