the itis logo The report logo for the ITIS data page
Go to Screen Version

Dioscorea  L.
Taxonomic Serial No.: 43366

(Download Help) Dioscorea TSN 43366

 Taxonomy and Nomenclature
  Kingdom: Plantae  
  Taxonomic Rank: Genus  
  Common Name(s): yam [English]
  Taxonomic Status:    
  Current Standing: accepted  
  Data Quality Indicators:    
  Record Credibility Rating: verified - standards met  
  Global Species Completeness: partial   
  Latest Record Review: 2010   

 Taxonomic Hierarchy
 KingdomPlantae  – plantes, Planta, Vegetal, plants  
    SubkingdomViridiplantae  – green plants  
       InfrakingdomStreptophyta  – land plants  
             DivisionTracheophyta  – vascular plants, tracheophytes  
                SubdivisionSpermatophytina  – spermatophytes, seed plants, phanérogames  
                      SuperorderLilianae  – monocots, monocotyledons, monocotylédones  
                            FamilyDioscoreaceae  – Yam Family  
                               GenusDioscorea L. – yam  
    Direct Children:  
                                  SpeciesDioscorea alata L. – winged yam, water yam 
                                  SpeciesDioscorea altissima Lam. – dunguey 
                                  SpeciesDioscorea bulbifera L. – air potato, bitter yam, air yam 
                                  SpeciesDioscorea cayenensis Lam. – yellow guinea yam 
                                  SpeciesDioscorea composita Hemsl. – yam 
                                  SpeciesDioscorea convolvulacea Cham. & Schltdl. – yam 
                                  SpeciesDioscorea deltoidea Wall. ex Griseb.  
                                  SpeciesDioscorea dumetorum (Kunth) Pax – bitter yam 
                                  SpeciesDioscorea elephantipes (L'Hér.) Engl. – hottentot-bread 
                                  SpeciesDioscorea esculenta (Lour.) Burkill – lesser yam 
                                  SpeciesDioscorea floribunda M. Martens & Galeotti – yam 
                                  SpeciesDioscorea floridana Bartlett – Florida yam 
                                  SpeciesDioscorea hispida Dennst. – intoxicating yam 
                                  SpeciesDioscorea japonica Thunb. – Japanese yam 
                                  SpeciesDioscorea mexicana Scheidw.  
                                  SpeciesDioscorea nummularia Lam. – yam 
                                  SpeciesDioscorea oppositifolia L.  
                                  SpeciesDioscorea pentaphylla L. – fiveleaf yam 
                                  SpeciesDioscorea pilosiuscula Bertero ex Spreng. – bulbous yam 
                                  SpeciesDioscorea polygonoides Humb. & Bonpl. ex Willd. – mata gallina 
                                  SpeciesDioscorea polystachya Turcz. – Chinese yam 
                                  SpeciesDioscorea praehensilis Benth. – bush yam 
                                  SpeciesDioscorea preussii Pax – Preuss' dioscorea 
                                  SpeciesDioscorea rotundata Poir. – Guinea yam 
                                  SpeciesDioscorea sagittata Poir.  
                                  SpeciesDioscorea sansibarensis Pax – Zanzibar yam 
                                  SpeciesDioscorea spiculiflora Hemsl. – yam 
                                  SpeciesDioscorea trifida L. f. – Indian yam 
                                  SpeciesDioscorea villosa L. – wild yam 

  Reference for:    
  Other Source(s):    
  Source: Dioscoreaceae of North America Update, database (version 2010)  
  Acquired: 2010   
  Notes: Updated for ITIS by the Flora of North America Expertise Network, in connection with an update for USDA PLANTS (2007-2010)   
  Reference for: Dioscorea   
  Source: NODC Taxonomic Code, database (version 8.0)  
  Acquired: 1996   
  Reference for: Dioscorea   
  Source: The PLANTS Database, database (version 4.0.4)  
  Acquired: 1996   
  Notes: National Plant Data Center, NRCS, USDA. Baton Rouge, LA 70874-4490 USA.   
  Reference for: Dioscorea   
  Source: The PLANTS Database, database (version 5.1.1)  
  Acquired: 2000   
  Notes: National Plant Data Center, NRCS, USDA. Baton Rouge, LA 70874-4490 USA.   
  Reference for: Dioscorea   
  Publication Date:    
  Article/Chapter Title:    
  Journal/Book Name, Vol. No.:    
  Publication Place:    
  Reference for:    

 Geographic Information
  Geographic Division:    






Disclaimer: ITIS taxonomy is based on the latest scientific consensus available, and is provided as a general reference source for interested parties. However, it is not a legal authority for statutory or regulatory purposes. While every effort has been made to provide the most reliable and up-to-date information available, ultimate legal requirements with respect to species are contained in provisions of treaties to which the United States is a party, wildlife statutes, regulations, and any applicable notices that have been published in the Federal Register. For further information on U.S. legal requirements with respect to protected taxa, please contact the U.S. Fish and Wildlife Service.

A gray bar