The term 'Potato Type' can be solved by the five-letter word 'IDAHO'. IDAHO is a state in the northwestern region of the United States. It is known for its mountainous terrain and is home to the Rocky Mountains. IDAHO is also famous for its potatoes, which are grown in the state's volcanic soil. The state is the leading producer of potatoes in the United States, and the potato is the official state vegetable.