Poplar or Pine are both types of trees. Poplar is a type of hardwood tree that is native to Europe, North Africa, and parts of Asia. It is known for its tall, straight trunk and its light-colored wood. Pine is a type of coniferous tree that is native to the Northern Hemisphere. It is known for its needle-like leaves and its strong, durable wood. Both types of trees are popular for use in furniture, construction, and other applications.