新疆湿地野生维管植物组成与植物区系的研究

Species composition and flora components of wetland vascular plants in Xinjiang

新疆湿地野生维管植物93科380属1227种(含种下等级),其中蕨类植物10科11属22种,裸子植物3科6属9种,被子植物80科363属1196种。生活型多样,以草本为主。优势科有菊科、豆科、禾本科、莎草科、藜科等,含种数较多的属有棘豆属、苔草属、黄耆属、毛茛属、蒲公英属等。湿地种子植物属的地理成分包含12个分布区类型,18个变型,北温带分布类型包括了143个属,占总属数47.51%,表现出显著温带性质。

In the wetlands of Xinjiang,there are 1227 species of vascular plants belonging to 380 genera and 93 families. Among them there are 10 families,11 genera and 22 species in Pteridophyta,3 families 6 genera 9species in Gymnospermae,and 80 families 363 genera 1196 species in Angiospermae. Life forms of plants are diverse and most of the plants are herbs. The dominant families are Asteraceae,Leguminosae,Gramineae,Cyperaceae and Chenopodiaceae,and the dominant genera are Oxytropis,Carex,Astragalus,Ranunculus and Taraxacum. The areal- types of genera of seed plants include 12 types and 18 subtypes. The wild seed plants in Xinjiang have 68 genera with the feature of North Temperate Zone,accounting for 47. 5%. Compared with those genera,types reflect obvious temperate zone characteristics.