摘要
调查了福建省南靖乐土南亚热带雨林及周边药用蕨类植物有 2 2科 3 4属 3 8种 .其中桫椤为国家一级保护植物 ,凤尾蕨科、乌毛蕨科、鳞毛蕨科为该区系的重点科 ,区系成分具古老性 ,保留有许多较原始的科 ,在系统发育上具有比较好的条件 ,在其进化上有连贯性 .本区系有明显的热带性 ,同时具有强烈的热带南亚热带过渡性 .分析了其植物区系组成和区系地理成分组成特点 ,对其利用价值进行了阐述 。
On the basis of investigation ,the author has found that the medicinal pteridophytes in tropical rainforest of Letu Nanjing amount to 38 species. They belong to 34 genera and 22 families respectively, including Alsophila Spinulosa,the first grade national protected plant.Pteridaceac? Blechnaceae? Dryopteridaceae are phyla in region composition. This flora remains many primary families.It has good condition in system development.The evolution is continnous. This flora has close affinity with tropical ones and is transitional flora from the tropical to the south subtropical.The article has analysed characteristics of this plant region composition and plant region geographical composition. This article reviews utilization of pteridophyte resource and puts forward some suggestions on further development.
出处
《泉州师范学院学报》
2003年第2期82-87,共6页
Journal of Quanzhou Normal University
基金
福建省科委三项基金资助项目 (K2 0 0 110 6)
