The state tree of Massachusetts is the American Elm, also known as Ulmus americana. This deciduous tree is native to eastern North America and is one of the most common trees in the United States. It is a hardy species that can survive in a variety of climates and soil types. The American Elm is known for its tall, straight trunk and its wide-spreading branches. Its leaves are oval-shaped and have a rough texture. The American Elm is a popular choice for landscaping and is often used in parks and other public spaces.