云南昆明西山蕨类植物资源

The Resource of Pteridophytes in Kunming Xishan,Yunnan

昆明西山地处滇中高原 ,位于东经 1 0 2°37′～ 1 0 2°38′ ,北纬 2 4°5 7′～ 2 4°5 9′ ,海拔 1 890～ 2 35 8.3m ,面积约1 6km2 .其蕨类植物区系组成共 31科 6 4属 1 33种 (包括变种和变型 ) ,其中有国家珍稀濒危保护蕨类植物 1种 .按照其用途将这些植物划分为药用、观赏、食用、指示、饲料和绿肥等 5种类型 .最后 ,讨论了其开发利用现状及前景 .

Abstract Kunmung Xishan is located in the central part of Yunnan Plateau, between 102°37′and 102°38′ E.,and between 24°57′～24°59′N..It covers an area of about 16?km 2 .,altitude is from 1?890?m . to 2358.3 m. above sea level.According to taxonomic researching of founder,investigating of field and referring to specimens of pteridophytes in PYU.Up till now,31 families,64 genera and 133 species (include varieties and forms) of pteridophytes have been recorded from this area, such as 1 species was rare and endangered pteridophytes of national key preserving. On the basic use of the pteridophytes,the pteridophytes can be classified into 5 types: medicinal pteridophytic resources, ornamental pteridophytes, edible pteridophytic resources, indicator pteridophytic resources, forage and green manure pteridophytic resources etc. In the end, the actuality and foreground of exploitation and utilization in these pteridophytes also were discussed.The checklist of Pteridophytes is from Kunming Xishan, Yunnan.