Abstract: The number, height, chest——diameter, crown scope and growth environment of Alsophila spinulosa were investigated in Qingyunshan scenic spot Yongtai county. According to analyzing the relation of the growth and reproduction to environment. The protection measure to Alsophila spinulosa was put forward.

Key words: Yongtai county, Alsophila spinulosa, Investigation, Protection

摘要： 通过对永泰县青云山风景区刺桫椤数量、树高、胸径、冠幅、生长环境等的调查和对刺桫椤的生长更新与生境关系的分析,提出保护这一孑遗植物的有关措施。

关键词: 永泰县, 刺桫椤, 调查, 保护