- A tropical annual vine (Momordica charantia) native to Asia, having yellow flowers and orange, warty fruits that open at maturity to expose red-coated seeds. Various parts of the plant are used in traditional medicine or for food.
- The immature green fruit of this plant, eaten as a vegetable. Also called In both senses also called bitter gourd .
ripe fruit of the bitter melon Momordica charantia