南太行——中条山植物区系地理研究

南太行—中条山地区是中国种子植物区系研究薄弱地区之一。本区约有种子植物1627种,隶属618属142科。通过该区种子植物各类地理成分分析及与相关地区的比较,得出:本地区植物区系具有温带区系特点,又具有温带向亚热带区系过渡性质,是华北植物区系分区南部亚区的一条重要界线。该地区存在许多古老及残遗植物,表明该区系起源古老,同时也是产生新分化的中心之一。

STUDY ON THE FLORISTIC GEOGRAPHY IN SOUTH TAIHANG-ZHONGTIAO MOUNTAIN

The folra comprises 1627 spcies in 618 genera,of which 15 genera are endemic to China. Twenty one larger families which contain more than 67% of thd total species are discussed. The phytogeographical effinities of the genera are analysel and briefly discussed. The distribusion patterns of species in north-temperate genera are analysed and discussed, nd some comparisons at genetic level and species level are made with the other four mountainous regions in Chnna. The result is that the flora of South Taihang-Zhongtiao Mountain belong to the distribution type of temperate,which is a transitional region from temperate to subtropical flora. So it may be a subregion iion line of the North China region. The analysis of relics of the Tertiary flora appears that South Taihag-Zhongtiao Mountain may be a relic and variety center flora in Northern China.