Quassia amara

Quassia amara, also known as amargo, bitter-ash, bitterwood, or hombre grande (spanish for "big man") is a species in the genus Quassia, with some botanists treating it as the sole species in the genus. The genus was named by Carl Linnaeus who named it after the first botanist to describe it: the SurinamesefreedmanGraman Quassi. Q. amara is used as insecticide, in traditional medicine and as additive in the food industry.