苏铁，俗称铁树，是一个古老的植物类群，又是现代优美的园林绿化树种，以其挺拔、秀丽、常青、铁骨铮铮的风姿，深受人们青睐，被作为长寿、健康和吉祥的象征，有“植物熊猫”之美称。两亿多年前苏铁植物在地球上非常繁盛，与恐龙一同称霸地球，后来恐龙绝迹，苏铁却奇迹般地 Cycas, commonly known as Tieshu, is an ancient flora and fauna, and is a modern and beautiful landscaping tree species favored by its tall, beautiful, evergreen and iron-clad clan as a symbol of longevity, health and good fortune , A “plant panda” reputation. Two hundred million years ago, the cycad plants were extremely prosperous on the earth, together with the dinosaurs to dominate the earth. Later, the dinosaurs were extinct. The cycad was miraculously