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{{PROTA Starbox
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[[File:Map Dioscorea cayenensis.GIF|thumb|distribution in Africa (planted)]][[File:Linedrawing Dioscorea cayenensis.GIF|thumb|1, tuber; 2, part of stem with male inflorescences Redrawn and adapted by W. Wessel-Brand]][[File:Dioscorea cayenensis field.JPG|thumb|field]][[File:Dioscorea cayenensis 990.JPG|thumb|tuber, probably ''Dioscorea cayenensis'']][[File:Dioscorea cayenensis storage.JPG|thumb|traditional storage in West Africa]]<big>''[[Dioscorea cayenensis]]'' Lam.</big>
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{{DISPLAYTITLE:''Dioscorea cayenensis'' (PROTA)}}
:Protologue: Encycl. 3(1): 233 (1789).
:Family: Dioscoreaceae
:Chromosome number: 2''n'' = 36, 40, 54, 60, 66, 80, 140
== Synonyms ==
*''Dioscorea rotundata'' Poir. (1813).
== Vernacular names ==
*Guinea yam (En). *Igname de Guinée (Fr). *Inhame da Guiné (Po).
== Origin and geographic distribution ==
== Author(s) ==
* I.C. Onwueme , Center for Sustainable Living, Wilson College, Chambersburg, PA 17201, United States * P. Hamon
* P. Hamon, Institut de recherche pour le développement (IRD), Université Montpellier III, 911 Avenue Agropolis, B.P. 5045, 34032 Montpellier, Cedex 1, France
== Correct citation of this article ==
Onwueme, I.C. & Hamon, P., 2002. '''Dioscorea cayenensis''' Lam. [Internet] Record from PROTA4U. Oyen, L.P.A. & Lemmens, R.H.M.J. (Editors). PROTA (Plant Resources of Tropical Africa / Ressources végétales de l’Afrique tropicale), Wageningen, Netherlands. <http://www.prota4u.org/search.asp>.
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[[Category:PROTA prov]][[Category:Carbohydrates (PROTA)]]