Christmas more widespread throughout Britain. By the 1870s, people in the United States had adopted the custom of putting up a Christmas tree. Christmas trees may be decorated with lights and ornaments. Since the 16th century, the poinsettia, a native plant from Mexico, has been associated with Christmas carrying the Christian symbolism of the Star of Bethlehem; in that country it is known in Spanish as the "Flower of the Holy Night". Other popular holiday plants include holly, mistletoe, red amaryllis, and Christmas cactus. Along with a Christmas tree, the interior of a home may be decorated with these plants, along
Christmas flowers from tropical regions of Asia, cultivated "Serissa" often blooms during the winter. On the occasion of Christmas Eve, it is traditional for young women in North America to exchange specially designed Christmas roses with each other resembling their spirit of fraternity. Another plant known as Christmas rose is Helleborus niger. In New Zealand, the pōhutukawa tree is often associated with Christmas, as its bright red flowers usually appear in December. Holly is the plant most associated with Christmas in many European countries. Holly wreaths are hung on doors, and sprigs of holly used to trim Christmas puddings. Like most of