monkey apple
/ˈmʌŋkɪ apl/noun
Any of various tropical trees and shrubs bearing fruit which resembles an apple or is regarded as fit (only) for monkeys; especially Annona glabra (family Annonaceae), of tropical America and West Africa, and Anisophyllea laurina (family Anisophyllaceae), of West Africa.
Origin
Mid 18th century; earliest use found in Griffith Hughes (1707–1750). From monkey + apple.