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Yam

Dioscorea

Also called Cinnamon Vines, Cinnamon Vine

Yam
Photo: Unknown author, CC BY-SA 3.0

Dioscorea is a genus of over 600 tropical and warm-temperate tuberous climbing vines, including the crop yams grown for their large underground tubers. Most grow best in warm, humid conditions with a sturdy support to climb.

Family
Dioscoreaceae (Dioscore family)
Light
Bright indirect, Part shade
Water
Water regularly during the growing season and let the soil dry slightly between waterings; reduce sharply once the vine dies back.
Soil
Deep, loose, well-draining soil or a rich potting mix.
Temperature
18–30 °C; protect below 10 °C
How easy
Moderate
Safety
Mildly toxic: Many species contain steroidal saponins and are toxic when raw or fresh; the tubers must be detoxified by cooking or processing before eating.

About

Dioscorea is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending into temperate climates. It was named by the monk Charles Plumier after the ancient Greek physician and botanist Dioscorides.

How to grow it

Several species, known as yams, are important agricultural crops in tropical regions, grown for their large tubers. Many of these are toxic when fresh, but can be detoxified and eaten, and are particularly important in parts of Africa, Asia, and Oceania.

One class of toxins found in many species is steroidal saponins, which can be converted through a series of chemical reactions into steroid hormones for use in medicine and as contraceptives.

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 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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