摘要
对杭州植物园现有资源进行系统调查,分析种类组成及种子植物的科属大小、分布区类型。结果显示,杭州植物园的植物种类有187科791属1 652种591品种;含50种以上的科有5个,分别占属、种总数的25.57%和25.21%,10种以下有112个,占总科数的71.79%;含5种以上的属有54个,其中20种以上的属有4个;科的分布区类型以广布(31.4%)、泛热带(31.4%)为最多;属的分布区以温带成分(53.9%)为最多,其次为热带成分(41.0%),中国特有属占5.0%。
In order to provide reference for the introduction and replenishment of the missing species,comprehensive survey was carried out on the resources in Hangzhou Botanical Garden.Species composition,number of spermatophyte and distribution types were analyzed.There are 591 varieties,1 652 species,791 genus,and 187 families.Five families contain more than 50 species,accounting for 25.57% of the total number of genera and 25.21% of the total number of families.One hundred and twelve families contain less than 10 species,accounting for 71.79% of the total number of family.Fifty four genera contain more than 5 species,4 genera contain more than 20 species.The areal types of families with wide spread(31.4%) and pantropical(31.4%) are the most.The areal type of genus with temperate(53.9%) is the most,followed by tropical(41%).Number of species endemic to China occupies 5%.Plant species characteristics,current problems and solutions were suggested.
出处
《西北林学院学报》
CSCD
北大核心
2013年第3期88-92,107,共6页
Journal of Northwest Forestry University
基金
杭州西湖风景名胜区管委会科技发展计划项目(200802)
关键词
杭州植物园
植物种类
分布区类型
引种
Hangzhou Botanical Garden
plant species
distribution type
introduction