Soap bark tree ("Quillaja saponaria") is a tree of the family "Quillajaceae". In commerce, it is known as Panama wood. The tree grows naturally from warm temperate central Chile north to Bolivia and Peru. It can grow to to high. The Soap bark tree gets its name because the inner bark can be made into a powder which can be used as soap. Its compounds are also used as foam in beer and other drinks. The tree also has medicinal uses.