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Dioscorea cayenensis subsp. rotundata

Dioscorea rotundata

Also called Guinea yam

Dioscorea cayenensis subsp. rotundata
Photo: Akadeby, CC BY-SA 3.0

Guinea yam (Dioscorea rotundata) is a tropical climbing tuber crop grown mainly in West Africa for its starchy underground tubers. It needs a long warm growing season, a loose deep soil, and staking or support for its climbing vines.

Family
Dioscoreaceae (Dioscore family)
Light
Full sun
Water
Water regularly during the growing season, then reduce as the vines die back before harvest.
Soil
Deep, loose, well-drained sandy loam or friable soil with good organic matter.
Temperature
22–32 °C; protect below 15 °C
How easy
Moderate
Safety
Not known to be toxic
Edible
Yes, some parts

About

Dioscorea cayenensis subsp. rotundata, commonly known as the white yam, West African yam, Guinea yam, or white ñame, is a subspecies of yam native to Africa. It is one of the most important cultivated yams. Kokoro is one of its most important cultivars.

It is sometimes treated as separate species from Dioscorea cayenensis.

Where it grows

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

Other Dioscorea plants

Dioscorea abyssinica · Water yam · Air yam · Yellow guinea yam · Black Bryony · Yam · Elephant's Foot · Wild Yam · Elephant's Foot Yam · Lesser yam · Yam · Dioscorea fordii

Text excerpted from the Wikipedia article Dioscorea cayenensis subsp. rotundata by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

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