Na·tal plum
  1. Bot. The drupaceous fruit of two South African shrubs of the genus Carissa (formerly Arduina) (Carissa bispinosa and Carissa grandiflora).  It is also called amatungulu.
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  Carissa bispinosa
       n : South African shrub having forked spines and plumlike fruit;
           frequently used as hedging [syn: hedge thorn, natal
           plum]