Taxon: Dioscorea mexicana Scheidw.

• the 6 historical accession(s) associated with this name.
• Check PlantSearch database of Botanic Gardens Conservation International for possible non-NPGS germplasm.

Common names:

• Mexican yam   (Source: Herbs Commerce ed2 ) – English
  
• barbasco de placa   (Source: F Veracruz ) – Spanish
  
• cabeza de negro   (Source: F Veracruz ) – Spanish
  
• sköldpaddsjams   (Source: Vara kulturvaxt namn ) – Swedish
  

More:

see MMPND for additional names in foreign scripts

Economic importance:

• Medicines: source of diosgenin   (formerly main source of a precursor of steroidal hormones fide F Veracruz; Herbs Commerce ed2)
  

Distributional range:

• NORTHERN AMERICA
  Southern Mexico: Mexico - Chiapas, Colima, Guerrero, Jalisco, Mexico, Michoacan, Oaxaca, Veracruz
• SOUTHERN AMERICA
  Mesoamerica: Belize; Costa Rica; Guatemala; Honduras; Nicaragua; Panama

References:

• Aldén, B., S. Ryman & M. Hjertson. 2009. Våra kulturväxters namn - ursprung och användning. Formas, Stockholm (Handbook on Swedish cultivated and utility plants, their names and origin).
• Davidse, G. et al., eds. 1994. Flora mesoamericana.
• Gómez-Pompa, A. & V. Sosa, eds. 1978–. Flora de Veracruz.
• Hammel, B. E. et al., eds. 2003–. Manual de plantas de Costa Rica.
• McGuffin, M., J. T. Kartesz, A. Y. Leung, & A. O. Tucker. 2000. Herbs of commerce, ed. 2.
• McVaugh, R. 1983–. Flora Novo-Galiciana.
• Porcher, M. H. et al. Searchable World Wide Web Multilingual Multiscript Plant Name Database (MMPND) (on-line resource).
• Stevens, W. D. et al., eds. 2001. Flora de Nicaragua. Monogr. Syst. Bot. Missouri Bot. Gard. 85(1-3).

More:

Search AGRICOLA article citation database for citations referencing Dioscorea mexicana.

Search NCBI's Entrez search engine for PubMed citations referencing Dioscorea mexicana.

Search Biodiversity Heritage Library for historical publications referencing Dioscorea mexicana.

Synonyms:

• (=) Dioscorea macrostachya Benth.
  (previously associated with 5 accessions)

Check other web resources for Dioscorea mexicana Scheidw.:

• TROPICOS: Nomenclatural and Specimen Database of the Missouri Botanical Garden
• Mansfeld: Mansfeld's World Database of Agricultural and Horticultural Crops
• ePIC: Electronic Plant Information Centre of Royal Botanic Gardens, Kew
• AGRICOLA: Article Citation Database or NAL Catalog of USDA's National Agricultural Library
• Entrez: NCBI's search engine for PubMed citations, GenBank sequences, etc.

Check other web resources for images:

• PlantSystematics.org
• Note: Be advised that their identity may be inaccurate. Proper identification of a plant may require specialized taxonomic knowledge or comparison with properly documented herbarium material.

Abbreviations & symbols in GRIN Taxonomy

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