botanical record · discovered
Bitterwood
Quassia amara
Bitterwood · Quassia · Amargo · Bitterholzbaum · Bitterquassia · Cuasia · Cuasia de Jamaica · Hombre grande · Quassia Wood · Quassia wood · Quassiaholzbaum · Quassie · Surinam quassia · acıyonga · amargo
At a glance
Origin / distribution: Panama, Nc, Turkey, Venezuela, Mexico, Dominican Republic, Haiti, Latin America
Cultural traditions: not documented
Recorded uses: Bite(Snake), Carcinoma, Digestive, Diuretic
Science studied: ALKALOIDS, CALCIUM-TARTRATE, EO, 18-HYDROXYQUASSIN
Research volume: 0 indexed records · volume only · methodology ↗
Legal status: Varies by jurisdiction; not assessed in this record.
Names and identity
Family: Simaroubaceae
Scientific name: Quassia amara
Common names: Bitterwood, Quassia, Amargo, Bitterholzbaum, Bitterquassia, Cuasia, Cuasia de Jamaica, Hombre grande, Quassia Wood, Quassia wood, Quassiaholzbaum, Quassie, Surinam quassia, acıyonga, amargo
History
The source record documents this plant in Elsewhere, Panama, Nc, Turkey, Venezuela, Mexico, Dominican Republic, Haiti and 3 additional places.
It records these historical or traditional applications:
- Bite(Snake)
- Carcinoma
- Digestive
- Diuretic
- Dysentery
- Dyspepsia
- Fever
- Hyperglycemia
show 13 more documented entries
- Insecticide
- Laxative
- Liver
- Malaria
- Stimulant
- Stomachic
- Tonic
- Vermifuge
- Vermicide
- Astringent
- Cancer
- Diarrhea
- Medicine
This summary is limited to the cited source record.
Origins and distribution
- Elsewhere
- Panama
- Nc
- Turkey
- Venezuela
- Mexico
- Dominican Republic
- Haiti
- Latin America
- Panama(Choco)
- US
Documented cultural uses
- Bite(Snake)
- Carcinoma
- Digestive
- Diuretic
- Dysentery
- Dyspepsia
- Fever
- Hyperglycemia
- Insecticide
- Laxative
- Liver
- Malaria
show 9 more documented entries
- Stimulant
- Stomachic
- Tonic
- Vermifuge
- Vermicide
- Astringent
- Cancer
- Diarrhea
- Medicine
Cultural record detail
These entries are transcribed from the cited ethnobotanical source; they do not represent current advice or a claim of efficacy.
- Bite(Snake) · Elsewhere · "
- Bite(Snake) · Panama · "
- Carcinoma · Nc · "
- Digestive · Turkey · "
- Diuretic · Venezuela · "
- Diuretic · Turkey · "
- Dysentery · Venezuela · "
- Dysentery · Turkey · "
- Dyspepsia · Mexico · "
- Fever · Venezuela · "
- Fever · Dominican Republic · "
- Hyperglycemia · Panama · "
- Insecticide · Haiti · "
- Insecticide · Latin America · "
- Insecticide · Elsewhere · "
- Laxative · Venezuela · "
- Liver · Elsewhere · "
- Liver · Panama · "
- Malaria · Panama(Choco) · "
- Malaria · Turkey · "
- Stimulant · Latin America · "
- Stomachic · Elsewhere · "
- Stomachic · Mexico · "
- Tonic · Mexico · "
16 additional documented entries remain in the source record.
Contemporary uses
Contemporary practice is not documented separately in this record.
Scientific research
Indexed records indicate research activity; they do not establish efficacy or safety.
Indexed research records
- Evaluation of the Blood Glucose-Lowering Effect of the Aqueous Leaf Extract of <i>Quassia amara</i> L. (Simaroubaceae) on Alloxan-induced Diabetes in Male ICR Mice (<i>Mus musculus</i>). · 2025 source ↗
- Evaluating the efficacy of a new lice treatment shampoo containing Quassia Amara using physical and tolerance approaches · 2024 source ↗
- Geopolitics of bitterness: Deciphering the history and cultural biogeography of Quassia amara L. · 2020 source ↗
Scientific compounds
Chemical presence is not evidence of clinical efficacy.
- ALKALOIDS
- CALCIUM-TARTRATE
- EO
- 18-HYDROXYQUASSIN
- ISOQUASSIN
- NEOQUASSIN
- POTASSIUM-ACETATE
- QUASSINOL
- QUASSOL
- BETA-SITOSTEROL
- GALLIC-ACID
- MALIC-ACID
- QUASSIN
- BETA-SITOSTENONE
Legality
No exact international trade listing was returned by the CITES checklist for this accepted name. Country-specific law is not assessed here.
Consult the CITES species checklist for current international and national requirements.
Reference images

Sources
Dr. Duke's Phytochemical and Ethnobotanical Databases · CC0
GBIF Backbone Taxonomy · CC BY 4.0
World Flora Online Plant List · WFO dataset terms; see release metadata
show claim source mapping
CC0 · Dr. Duke raw CSV archive
Contributions and revisions
checking published revisions…
Dear Herb is a living journal of botanical knowledge. Its records grow through research, historical discovery, and community contributions.