Elephant’s foot, Hottentot bread
Dioscorea elephantipes
Family: Dioscoreaceae
What it is like
A yam. A vine with a succulent growth near ground level. This can grow 1 m long and 1 m high. It is above ground. It has angular lumps. It is hard and corky. The stems twine to the left. The leaves are heart shaped. The flowers are yellowish-green. The male flowers are in erect flowering stalks and the female flowers are nodding and spiny.
There are about 650 species of Dioscorea.
Where it is found
It is a warm temperate to subtropical plant. It cannot tolerate frost. It grows naturally on dry rocky slopes in South Africa. It is best in light, well-drained soils. It needs an open, sunny position. In South Africa it grows between 250-1,250 m above sea level. It can grow in arid places. Hobart Botanical Gardens hot house. It suits hardiness zones 9-11.
Countries/locations it is found in
Australia, Angola, Botswana, Central Africa, Hawaii, Namibia, Pacific, Slovenia, South Africa (country/location of origin), Southern Africa, Tasmania, USA
How it is used for food
The tubers have been cooked and eaten in times of famine by Hottentots in South Africa. It is processed for starch.
It is a famine food. It is cultivated.
Edible parts
Tuber, root
How it is grown
Plants are grown from seed. They can also be grown by cuttings.
Its other names
Local names
Nakaa, Olifantsvoet, Razbrazdana dioskoreja
Synonyms
Tamus elephantipes L'Her.; Testudinaria elephantipes Salisb.;