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Elephant's Foot

Dioscorea deltoidea

Elephant's Foot
Photo: Dinesh Valke from Thane, India, CC BY-SA 2.0

Dioscorea deltoidea, the Nepal yam, is a climbing yam grown for its large underground tuber. It is a wild-harvested species from the Himalayas to south-central China and Southeast Asia, and it is rarely grown as an ornamental houseplant.

Family
Dioscoreaceae (Dioscore family)
Grows as
Bulb
Light
Part shade
Water
Water regularly during the growing season and let the soil dry slightly between waterings; reduce water while the vine is dormant.
Soil
Humus-rich, loose, well-draining soil or leaf mould mix.
Temperature
15–28 °C; protect below 5 °C
How easy
Moderate
Native range
N. Pakistan to SC. China and Indo-China
Climate
wet tropical

About

Dioscorea deltoidea, the Nepal yam, is a species of flowering plant in the family Dioscoreaceae. Its native range is the Himalayas through to south-central China and mainland Southeast Asia. Its tubers contain diosgenin and are harvested by local peoples as a treatment for a variety of conditions, including gastrointestinal disorders and intestinal worms. Tubers are also eaten after boiling, washing, and baking. It grows in forests and humus-rich soils.

Other Dioscorea plants

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

Text excerpted from the Wikipedia article Dioscorea deltoidea 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.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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