【摘要】 雅安周公山省级森林公园种子植物较为丰富,有85科271种,其中裸子植物4科8种,被子植物81科263种,双子叶植物70科207种,单子叶植物11科56种。种子植物科的区系成分共有10个类型5个变型,地理联系广泛,但其地理区系优势分布不明显,热带性地理成分稍强,占总科数的45.90%。古老成分较多,单型科和少型科占绝对优势,占总科数的87.05%。有国家一级保护植物2种、二级保护植物3种、三级保护植物1种。更多还原

【Abstract】 The components of seed plants in Zhougong Mountain Forest Park are abundant and complex.There are 271 species of seed plants,belonging to 85 families,among which gymnosperms have 4 families,8 species,angiosperms have 81 families,263 species,dicotyledons have 70 families,207 species,and monocotyledons have 11 families,56 species.The floristic elements of families are composed of 10 types and 5 variation types.The dominant families are not plentiful.But the tropical distribution types have 39 families,accounting for 45.90% of the total family number in this area,and hold a little more dominant position.The origin of its flora is ancient.The monotypic and oligotypic families possess the absolute superiority with 74 families,making up 87.05% of the total family number in this region.Moreover,there are 6 rare endangered plants in the reserve,among which 2 species belong to national protection categories 1(NPC1),3 species belong to NPC 2,and 1 species belongs to NPC 3.更多还原