Dioscorea elephantipes (L'Hér.) Engl.

Elephant's Foot

Tubers often over half a metre wide, rough, grooved and bark-like, resembling an elephant's foot. Leaves alternate, more or less heart-shaped, 3-5 cm wide, 7-9 nerved. Male and female flowers in racemes; summer to autumn. Fruit capsule about 1.5 cm wide. Seed wing terminal, short.

South Africa

Sometimes grown as a curiosity.

Source: Spencer, R. (2005). Dioscoreaceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 5. Flowering plants. Monocotyledons. The identification of garden and cultivated plants. University of New South Wales Press.

kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Lilianae
order      Dioscoreales
family       Dioscoreaceae
genus        Dioscorea L.