Quassin is a white bitter, crystalline substance extracted from the
quassia tree. It is one of the most bitter substances found in nature
Kaynak: Quassinhealer, botanist , slave and later freedman of the 18th century, who is today best known for having given his name to the plant species
quassiaKaynak: Graman QuassiCedron (syn. Aruba cedron Kuntze ) is a member of the
quassia family , Simaroubaceae , native to Colombia and Central America .
Kaynak: Simaba cedronAilanthus vilmoriniana, commonly known as Downy Tree of Heaven, is a tree in the
quassia family . It is native to western China , but is
Kaynak: Ailanthus vilmoriniana