Quassia
NameQuassia
Scientific NameQuassia amara
Common NamesBitter-wood, Quassia-wood, Amargo
Plant FamilySimaroubaceae
Natural HabitatNative to the tropical rainforests of Central and South America, particularly Suriname, Brazil, and the Guianas. It thrives in warm, humid climates and is often found in understory or forest clearings.
Parts Usedbark
Medicinal Actionsantimicrobial,anti-inflammatory,carminative
Traditional UsesTraditionally, Quassia is used as a bitter tonic to stimulate digestion and appetite, and as an anthelmintic to treat intestinal parasitic infections like roundworms and pinworms. It has also been employed for treating malaria, fevers, and as an external wash for lice and scabies.
Active ConstituentsQuassinoids, quassin, neoquassin, isoquassin, triterpenes
Preparation Methodsinfusion,decoction,tincture,powder
Contraindications & WarningsContraindicated during pregnancy and lactation due to potential abortifacient effects and lack of safety data. Avoid in individuals with gastric ulcers, inflammatory bowel conditions, or severe liver disease. High doses can cause nausea and vomiting.
Cultivation NotesQuassia amara prefers full sun to partial shade and well-drained, fertile soil. It requires a warm, humid tropical climate and is sensitive to frost. Propagation can be achieved through seeds or stem cuttings.
Raritycommon
Description
Quassia amara is a small, evergreen tree or shrub, typically growing 3-6 meters tall, renowned for its intensely bitter bark and wood. It features pinnate leaves and striking bright red, tubular flowers arranged in terminal racemes or panicles, as depicted in the image.
