【摘要】 在对千佛山自然保护区详细调查的基础上,对其种子植物的科、属分布区类型进行了统计分析。结果表明:(1)保护区内种子植物丰富,共153科767属2494种;(2)优势科、属明显;(3)区系起源古老;(4)种子植物地理成分复杂,吴征镒划分的中国种子植物属的15大分布类型在千佛山均有分布;(5)种子植物区系在科和属级水平上均显示出温带性质,温带分布属475属,占总属数的61.9%;(6)特有属、种丰富。更多还原

【Abstract】 Based on the statistics and analysis of areal-types of families,genera and species in the present flora of Qianfoshan Natural Reserve in Sichuan Province,the floristic characteristics indicate as follows:(1)The taxa of seed plants are abundant. It is now known that there are 2 494 species(including varieties and forms)of seed plants, which belong to 767 genera and 153 families. (2)The dominant families and genera are prominent. (3)The origin of its flora is very ancient. (4)Its geographical components are complex. (5)Its flora shows an obvious temperate zone character. (6)The endemic genera and species are abundant.更多还原