青海省珍稀濒危保护植物的区系研究

Floristic study of rare & endangered plants and national key protected plants in Qinghai Province

分析研究了青海省的珍稀濒危保护植物及其区系组成和特征.结果表明:青海省共有珍稀濒危保护植物146种,隶属于36科77属;珍稀濒危保护植物的区系组成复杂,科属分布型都表现出典型的温带性质,尤以北温带为主,并有过渡性特点;多分布年轻衍生的物种,部分物种起源于古地中海;青海省珍稀濒危保护植物中,无中国特有科,中国特有属少,中国特有种较多.

The floristic elements and characteristics of rare endangered plants and national key protected plants are analyed in Qinghai province based on the literatures.The results indicate that there are 146 species of rare endangered plants and national key protected plants,belonging to 36 families and 77 genera.The floristic elements are complex,floristic type are showing the typical temperate nature,especially north temperate zone is superior to numbers of speices in Qinghai province.Many species are young and derivatives,also some species are originated in ancient Mediterranean.No endemic families,a few of endemic genera,but there are many endemic speices.