Populus deltoides deltoides, commonly known as Eastern Cottonwood, is a large, fast-growing deciduous tree that can reach heights of 80-100 feet (24-30 meters) tall and 40-60 feet (12-18 meters) wide. It has a broad, open crown and a straight trunk that can reach up to 6 feet (1.8 meters) in diameter. The leaves are triangular in shape and have a pointed tip, hence the name deltoides.