Peas and green beans are not the same kind of beans. Pea is an annual or perennial herb of the genus Pea in the Fabaceae family. It is widely distributed and is cultivated in most parts of my country. Its seed shape is oblate, oval, round, or cylindrical. Usually they are green. Green beans are an annual climbing herb of the Soybean family in the Fabaceae family. They are the tender fruits of soybeans and are oval in shape. They are a common food ingredient.