Acanthosicyos Naudinianus - Gemsbok Cucumber
Acanthosicyos naudinianus, known as the Gemsbok cucumber, is a perennial African melon with annual creeping vines and edible fruits and seeds. Stems are trailing, up to 6 m in length, often branched and hairy.
The fruit is edible, but eating it before it is ripe will cause a burning sensation in one's mouth though is not poisonous.
Occurs in woodland, wooded grassland and grassland, on sandy soils though refers deep sandy soil and can withstand heavy frosts.