amatungulu

Carissa macrocarpa is a shrub native to South Africa. It is commonly known as the Natal plum and, in South Africa, the large num-num. In Zulu, as well as in the Bantu tribes of Uganda, it is called Amathungulu or umThungulu oBomvu. In Afrikaans the fruit is called noem-noem https://en.wikipedia.org/wiki/Carissa_macrocarpa