It is distributed from the Tokara Islands in Japan southward to Taiwan, Southeast Asia, the Pacific Islands, and Australia. It grows in subtropical and tropical regions. The leaves are heart-shaped, palmately lobed with 3 to 7 lobes and serrated edges. Inflorescences emerge from the leaf axils and produce small female and male flowers. The corolla is white to pale yellowish green. The fruit is a spherical berry 15-25 mm in diameter with white stripes on a red background. In Taiwanese, it is called "雙輪瓜".