【摘要】 通过对四川７８种珍稀濒危植物的区系分析，得出四川珍稀濒危植物区系的５个主要特征：种类丰富、起源古老、地理成分复杂、分布区类型交错复杂与特有种较为丰富。更多还原

【Abstract】 Based on the floristic analysis of the 78 rare and endangered plant species,the paper re-veals that the floristic composition in the province has the following five major characteristic features:diversi-fied in species,old in their origin,complicated in geographical distribution and ectone area type,and abundantin endemic species.更多还原