【摘要】 红景天属(Rhodiola L.)植物共有90余种,主要分布于北半球的高寒地带,生长于海拔3500-5000米左右的高山带。西藏自治区有该属植物32种,几乎遍及全区各县级行政区。作为一种重要的药用植物,从上个世纪八十年代末起被开发为多种高原保健品。然而,野生资源处于严重威胁的境地,其资源永续利用问题已受到广泛关注。文章概述了西藏红景天的生物学特征和地理分布。针对当前对红景天植物的利用,提出了保护野生资源的若干建议。更多还原

【Abstract】 The Rhodiola L.,a famous medicinal plant genus,consists of more than 90 species distributed mainly in high and cold regions of Northern Hemisphere.Rhodiola plants grow in the alpine zone at elevation between 3500 and 5000 meters.A total of 32 species distribute in almost all counties of Tibet.Since the end of 1980’s,a number of Rhodiola species have heavily been utilized for medicinal and health uses in Tibet.It leads that the wild resources are threatened seriously and public concern on the sustainable utilization of the plants.This essay reviews biological characteristics of the Rhodiola plants and their geographical distributions in Tibet.Some suggestions for conserving the very important resources are also proposed.更多还原