botanical record · discovered
Barbasco
Dioscorea composita
Barbasco · barbasco · barbascojams · yam
At a glance
Origin / distribution: Mexico(Chinantec), BR
Cultural traditions: not documented
Recorded uses: Piscicide
Science studied: SAPOGENINS, DIOSGENIN
Research volume: 0 indexed records · volume only · methodology ↗
Legal status: Varies by jurisdiction; not assessed in this record.
Names and identity
Family: Dioscoreaceae
Scientific name: Dioscorea composita
Common names: Barbasco, barbasco, barbascojams, yam
POWO: 317823-1 · WCVP June 2026 / POWO backbone
History
The source record documents this plant in Mexico(Chinantec), BR.
It records these historical or traditional applications:
- Piscicide
This summary is limited to the cited source record.
Origins and distribution
- Mexico(Chinantec)
- BR
Documented cultural uses
- Piscicide
Cultural record detail
These entries are transcribed from the cited ethnobotanical source; they do not represent current advice or a claim of efficacy.
- Piscicide · Mexico(Chinantec) · "
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
- DcMYB5 transcription factor regulates the biosynthesis of diosgenin by directly repressing CYP90B gene expression in Dioscorea composita. · 2026 source ↗
- Combined Transcriptome and Metabolome Analysis Reveals That DcWRKY11 Promotes Methyl Jasmonate-Induced Proanthocyanidin Biosynthesis in Dioscorea composita. · 2025 source ↗
- Comparative transcriptomic and metabolomic analyses reveal key regulatory gene for methyl jasmonate-induced steroidal saponins synthesis in Dioscorea composita. · 2024 source ↗
Scientific compounds
Chemical presence is not evidence of clinical efficacy.
- SAPOGENINS
- DIOSGENIN
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
Plants of the World Online (POWO) · Kew data terms; cite POWO/WCVP
World Checklist of Vascular Plants (WCVP) · CC BY 3.0
show claim source mapping
- identity · DH-SRC-0030
- documented_uses · DH-SRC-0030
- compounds · DH-SRC-0030
- taxonomy · DH-SRC-GBIF · source ↗
- common_names · DH-SRC-GBIF · source ↗
- countries · DH-SRC-GBIF · source ↗
- wfo_taxonomy · DH-SRC-0003 · source ↗
- cultural_records · DH-SRC-0030 · source ↗
- powo_taxonomy · DH-SRC-0001 · source ↗
- wcvp_taxonomy · DH-SRC-0002 · source ↗
CC0 · Dr. Duke raw CSV archive
Contributions and revisions
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