Abstract: Sanqu stone forest is a typical infant Karst landform. There were 472 species of vascular plants, belonging to 310 genera in 119 families. The vascular plants were not abundant and mainly distributed in small genera and small families. Herbaceous plants were dominated and accounted for 51.17%. The geographical elements of surveyed vascular plants consisted of 14 distribution patterns. The pan tropical, the north temperate and the east Asia distribution were dominated, accounting for 27.55%, 16.98%, 11.32% respectively. Compared with the adjacent area, tropical elements were highlighted.

Key words: vascular plant, flora, Sanqu stone forest

摘要： 浙江常山县三衢石林景区是典型的幼年期喀斯特地貌，景区内维管束植物472种，隶属于119科310属。物种较少，以小科、小属为主；生活型以草本植物占多，占总种数的51.17%。地理成分复杂，包含14个类型，泛热带分布型、北温带分布型和东亚分布型占主导，分别占总属数的27.55%、16.98%、11.32%，与周邻区系比较，其热带性质更突出。

关键词: 维管束植物, 植物区系, 三衢石林景区