古树,是指树龄在100年以上的树木;名木,是指稀有、珍贵树木或者具有重要历史、文化、科学研究价值和纪念意义的树木。古树是大自然经过漫长历史变迁,留给人类的宝贵遗产,是人类历史过程中保存下来的年代久远或具有重要科研、历史、文化价值的树木,是活着的文物,也是一个城市或 Old trees, refers to more than 100 years old trees; famous wood, refers to the rare, precious trees or have important historical, cultural, scientific value and commemoration of trees. The ancient tree is a long history of nature after a long history of change, left to the precious heritage of mankind is preserved in the history of mankind, or have important scientific, historical and cultural value of the trees, is a living heritage, but also a city or