Vigna sesquipedalis is a type of legume commonly known as yardlong bean, asparagus bean or Chinese long bean. The plant is a climbing vine that produces long and slender green pods that can grow up to 3 feet in length. The yardlong bean is an essential ingredient in many Asian dishes and is known for its unique flavor and crunchy texture. Some of the synonyms for Vigna sesquipedalis include snake bean, bora bean, pea bean, and cowpea bean. These names reflect the plant's long and slender shape and its popularity as a protein-rich food source in many cultures. Whether you call it yardlong bean or snake bean, this legume is a delicious and nutritious addition to any meal.