Dioscorea cayennensis subsp. rotundata

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Dioscorea cayennensis subsp. rotundata
Own yam.jpg
White yam
Scientific classification e
Kingdom: Plantae
Clade: Angiosperms
Clade: Monocots
Order: Dioscoreales
Family: Dioscoreaceae
Genus: Dioscorea
Species: D. cayennensis
Subspecies: D. c. subsp. rotundata
Trinomial name
Dioscorea cayennensis subsp. rotundata
(Poir.) J.Miège

Dioscorea cayennensis subsp. rotundata, the "white yam", sometimes sold as "Guinea yam" or "white ñame", is a subspecies[1] of yam native to Africa. It is one of the most important cultivated yams.[2]


D. c. subsp. rotundata is grown in West Africa, including countries such as Ivory Coast, Ghana and Nigeria.[3]