新疆北塔山地区木本植物区系特征

通过对新疆北塔山地区实地考察和植物标本的收集与鉴定发现,该区共有木本植物21科41属71种;其中,裸子植物3科3属6种,被子植物18科38属65种。科的组成中,单种科有7科7种,含2~9种的寡种科有11科41种,中等科仅黎科1科15种;属的组成中,单种属24属24种,含2~4种的寡种属17属47种。植物区系地理成分较复杂,在科级水平有5个分布类型3个变型,在属级水平有6个分布类型及5个变型,以温带分布及其变型为主。

Floristic characteristics of woody plants in the Beita Mountain of Xinj iang

This study aimed to collect and identify the flora of Beita Mountain in Xinj iang.The research showed that there are 71 species of woody plants belonging to 41 genera in 21 families in this area,including 6 species of gymno-species belonging to 3 genera in 3 families and 65 species of angiosperms belonging to 38 genera in 18 families.Among the families,7 families were each represented by a single species,while 11 families were each represented by 2~9 species,and the family Chenopodiaceae was represented by 15 species.Among the genera, 24 genera were each represented by a single species,while 17 genera were each represented by 2~4 species. The geographical distribution of the flora in this area is complex,exhibiting 5 distributional types and 3 sub-types at the genera level that mainly corresponded to variants of temperate floral distributions.