The Christmas tree is a coniferous evergreen tree, typically a species of pine, spruce, or fir. It's a common symbol of the holiday season, and many families decorate their homes with a tree during the Christmas season. In some cultures, the tree is also decorated with other symbols of the season, such as ornaments, lights, and tinsel. The tradition of decorating a tree for Christmas is believed to have originated in Germany in the 16th century. The tree was first brought into the home as a symbol of the winter solstice and as a reminder of the rebirth of life in the spring.