【摘要】 大鸿寨位于河南省禹州西北,属暖温带区域.经调查,有种子植物121科、558属、1159种.经研究发现大鸿寨种子植物属的分布区类型共有15种典型分布和15种变型,植物区系特点:以温带成分为主,兼有一定热带成分,具有暖温带与北亚热带过渡交替的特征;植物区系起源古老,具有原始性特点;区系地理成分多样,与其它植物区系有一定的联系.更多还原

【Abstract】 Dahongzhai Mountain,located in the middle part of Henan province,is situated between34°13′-34°16 N latitude and 113°5′-113°8′E longitude in Henan.There are 1159 species of seed plants,belonging to 558 genera and 121 families in tianmu Mountain.The areal-types of the genera and the species are abundant.Based on their geographical distribution,558 genera are classified in to 15 areal-types.Most of them belong to the temperrate distribution pattern plant(71.31%),many belong to tropical one(26.45%).更多还原