Bitter gourd  ( scientific name :  Momordica charantia ) is a local vegetable that grows everywhere. The small fruit is shaped like a shuttle. The surface of the shell is rough and has protruding buttons. The young fruit is green. When old, it will be reddish yellow. The fruit ends into 3 lobes. Birds like to come and eat both the fruit and the seeds. Then they transfer the seeds to various places, so it is called bitter gourd.