太白山自然保护区特有野生植物区系分析

Analysis of Endemic Wild Flora in Taibai Mountain Nature Reserve

特有植物是了解某一植物区系的历史起源与演化规律、植物系统发育及古地理学的重要途径。通过野外实地调查和查阅相关文献资料,对太白山自然保护区特有野生植物区系进行初步分析与研究。结果表明,太白山自然保护区特有野生植物共29科59属103种,其中蕨类植物有1科1属1种,种子植物有28科58属102种;该区系特有野生植物以多年生草本植物、落叶乔木及落叶灌木为主;该区系植物起源古老,地理成分复杂多样,具有明显的温带性质;该区特有野生植物区系内中国特有现象较低。

Endemic plants are an important way to know the flora＇ s historical origin and evolution rule, plant phylogeny and paleogeography. According to field investigation and relevant literature, this paper makes a preliminary analysis and research on the endemic wild flora in Taibai Mountain Nature Reserve. The results showed that there were 103 wild plant species belonging to 59 genera and 29 families in Taibai Mountain Nature Reserve, among which 1 fern species belonged to 1 genus and 1 family, and 102 sper- matophyta species belonged to 58 genera and 28 families; perennial herbaceous, deciduous trees and shrubs occupied a main advantage in the flora; the origin of the flora is ancient and the geographical com- position is complex and diverse, taking up an obvious temperate characteristic; the edemic species to China in the flora are relatively few.