四川攀西地区凤仙花属植物资源调查研究

Investigation on Impatiens Resources in Panxi Area of Sichuan Province

为加强攀西地区凤仙花属资源的开发利用,通过实地调查、相关资料查阅以及标本的考证,对攀西地区凤仙花种类及分布进行了调查研究。结果表明:攀西地区自然分布的凤仙花属植物有60种(含1个变种),在地理分布上具有明显的狭域性和特有性,91.7%为我国特有种,73.3%为横断山脉地区特有种;对生境要求严格,90%的物种集中生于山区海拔2200~3200m,阴湿的沟谷内、溪边、疏林下及林缘。

In order to strengthen the development and utilization of Impatiens resources in Panxi area,the species and distribution of Impatiensin Panxi area were investigated through field investigation,relevant data consulting and specimen research.The results showed that there were 60 species(including one variety)of Impatiens L.in Panxi area,and their geographical distribution was obviously narrow and endemic.91.7%of them were endemic to China and 73.3%were endemic to Hengduan Mountain area.90%of the species were concentrated in mountainous area with altitude of 2200-3200 m,in wet valley,stream,under sparse forest and forest edge.