摘要
对江西玉山信江源自然保护区植物的种类组成和区系成分进行了统计分析.结果表明:本区分布的种子植物共计175科643属1 241种,其中裸子植物7科15属18种,被子植物168科628属1 223种.含20种以上的科共14科,单、寡种属共596属,其区系地理成分复杂多样,在植物区系组成中具有重要作用.在科的分布区类型中,泛热带分布科59科,世界分布科51科;属和种的分布区类型中,都是泛热带分布最多,北温带分布次之.
The species composition of seed plants and its flora in Yushan Xinjiangyuan Nature Reserve were statistically analysised.The results showed that there were 1 241 species of seed plants belonging to 643 genera in 175 families.Among them,there were 18 species of Gymnospermae belonging to 15 genera of 7 families,and 1 223 species of Angiospermae belonging to 628 genera of 168 families.There were 14 families which consist of more than 20 species,and 596 genera were monotypic or oligotypic genera.The geographical floristical component in Yushan Xinjiangyuan Nature Reserve was very complex.Among the distribution types of families,Pantropic type was the dominant（59 families）,followed by Cosmopolitan type（51 families）;Among the distribution types of genera and species,Pantropic distribution type was the dominant,followed by North Temperate distribution type.
出处
《甘肃农业大学学报》
CAS
CSCD
北大核心
2012年第1期88-94,102,共8页
Journal of Gansu Agricultural University
基金
江西省科技厅项目(2010JX00458)
