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Quassia amara - Köhler–s Medizinal-Pflanzen-117.jpg
Quassia amara
Scientific classification edit
Kingdom: Plantae
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Sapindales
Family: Simaroubaceae
Genus: Quassia

See text

Quassia (/ˈkwɒʃə/ or /ˈkwɒʃiə/) is a flora genus in the family Simaroubaceae. Its size is disputed; some botanists treat it as consisting of only one species, Quassia amara from tropical South America, while others treat it in a wide circumscription as a pantropical genus containing up to 40 species of trees and shrubs. The genus was named after a former slave from Surinam, Graman Quassi in the eighteenth century. He discovered the medicinal properties of the bark of Quassia amara.

Broader treatments of the genus include the following and other species:

It is the source of the quassinoids quassin and neo-quassin.[1]


  1. ^ Mishra K, Chakraborty D, Pal A, Dey N (April 2010). "Plasmodium falciparum: in vitro interaction of quassin and neo-quassin with artesunate, a hemisuccinate derivative of artemisinin". Exp. Parasitol. 124 (4): 421–7. doi:10.1016/j.exppara.2009.12.007. PMID 20036657.

External links[edit]

  • Media related to Quassia at Wikimedia Commons
  • Data related to Quassia at Wikispecies