Green bean is another name of kidney bean, and kidney bean is a cultivated variety of leguminous kidney bean, which is panicum miliaceum. It is called plum bean in the north, and it is also called plum bean in Lanxi, Zhejiang. Also known as kidney beans, lentils, April beans, etc., it is called Qingming beans in Quzhou, Zhejiang, and green beans in Sichuan and some central China. It is one of the common vegetables on the table.