South African Wild Cucumber

The 10 mm long fruit of this perennial herb, contains calcium, vitamin C, nicotinic acid and iron.

In South African traditional medicine the fruit, leaf or root of is used as a purgative for various illnesses. 

The boiled leaf is eaten eaten and used as a skin cataplasm and as an animal medicine. 
The fruit has been pickled since the 17th century and taken to the West Indies by the slaves from West Africa.