The term 'graceful tree' can be broken down into four crossword solutions: BIRCH (5 letters), ELM (3 letters), Itea (4 letters), and Walnut (6 letters). BIRCH is a type of tree that is native to Europe, Asia, and North America. It is known for its thin, white bark and its graceful, drooping branches. ELM is a type of tree that is native to Europe, Asia, and North America. It is known for its tall, straight trunk and its large, spreading canopy. Itea is a type of tree that is native to the southeastern United States. It is known for its fragrant flowers and its graceful, arching branches. Walnut is a type of tree that is native to Europe, Asia, and North America. It is known for its hard, dark wood and its graceful, spreading branches.