宝天曼自然保护区杂木林群落的植物特征分析

Plant feature analyses of weed tree forest community of Baotianman Nature Reserve

宝天曼自然保护区约有高等植物 114科、334属、6 6 7种及变种 ,分别占宝天曼自然保护区植物科的 5 1 12 % ,属的34 33% ,种的 2 4 6 0 % ;占河南高等植物科的 5 47% ,属的 2 5 %和种的 14 0 2 % 组成本区杂木林植物的优势科有蔷薇科、菊科、禾本科、豆科等 4科 ,合计 199种 ,占本区被子植物总种数的 32 4% 杂木林植物以温带成分为主 ,兼有一定热带分布类群 ,它体现了本区植物区系的过渡性、边缘性、多样性和独特性 ,显示出多方交汇和一定的古老性。

There are 667 species of higher plants belonging to 334 genus, 114 families,making up respectively 51.12% of family,34.33% genus and 24.60% of species in Baotianman Nature Reserve;They make up 5.47% of family,25% of genus and 14.02% of species of higher plants in Henan Province.The superior families composing weed tree forest plants are Rosaccac, Compositae,Gramineae, Leguminosac,adding up to 199 species, accounting for 32.4% of total angiosperm in this area.The main content of this weed tree forest plants is temperate zone combined with some tropical types, which embodies the transitional quality,borderline quality,diversity and unique quality of plants in the area showing the cross in many ways and ancient specific property.The vertical distribution of this weed tree forest community is comparatively obvious.