Quillaja saponaria

Soap bark tree (Quillaja saponaria) is a tree of the family Quillajaceae.APG II 2003 listing  notes that Quillajaceae is a part of the order Fabales and no longer a part of the family Rosaceae (order ''Rosales) 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. 
Morphology
Quillay is an evergreen tree, with grey bark. Alternate leaves, glaber, acute apex and obtuse base, bright green, near entire margins with 4-8 teeth. Flowers light green or white, hermaphrodite, pentamer, radiate. Five petals, 5 sepals, 10 stamens and 5 pistils. Fruit: a star-shape capsule, with winged seeds.
References

Category:Fabales