半个多世纪以前,水杉还仅仅是一种存在于化石标本中的远古植物,然而如今它已人人皆知,世界驰名。水杉的发现被誉为20世纪植物学上的重大发现,也是我国科学家的伟大贡献之一。水杉的定名水杉是一种1.3亿年以前就广布于北半球的乔木。由于在地球的整个历史上,出现过多次大冰期,生活在北美洲中纬度地区和欧亚大陆西北部广大地区的水杉,在最晚的一 More than half a century ago, Metasequoia was only an ancient plant found in fossil specimens, but now it is well known and the world famous. The discovery of Metasequoia has been hailed as a major botanical discovery in the 20th century and one of the great contributions of our scientists. Metasequoia’s name Metasequoia is a kind of 130 million years ago, widely spread in the northern hemisphere of the tree. Due to the numerous Great Ice Age periods throughout the history of the earth, metasequois, living in the mid-latitudes of North America and in much of the northwestern Eurasia, at the latest