sour gourd

(noun) Australian tree having an agreeably acid fruit that resembles a gourd. Synonyms: cream-of-tartar tree, sour gourd, Adansonia gregorii.

(noun) African gourd-like fruit with edible pulp. Synonyms: sour gourd, monkey bread.

(noun) acid-tasting Australian gourd-like fruit with a woody rind and large seeds. Synonyms: sour gourd.