Momordica charantia.
Momordica charantia (commonly called bitter melon, goya, bitter apple, bitter gourd, bitter squash, balsam-pear and many more names listed below)[1] is a tropical and subtropical vine of the family Cucurbitaceae, widely grown in Asia, Africa, and the Caribbean for its edible fruit. Its many varieties differ substantially in the shape and bitterness of the fruit.