蒙古莸的植物区系地理分布研究

On Floristic Geographical Distribution of Caryopteris mongholica

依据我国的植物标本及有关文献资料，绘制了蒙古莸的分布区图。在此基础上确定了蒙古莸的植物区系地理成分为黄土高原（北部）－蒙古高原分布种，并讨论了本种分布起源及其与邻近地区的联系．

he areal map of Caryopteris mongholica has been drawn according to the specimens collectedin different provinces of China and related literatures. On the basis of the areal range,it is definedthat floristic geographical element of Caryopteris mongholica is a distribution species of YellowLand(Nothern)-Mongolian Plateau,and the distribution origin of this species and its relation-ships with neighbour region are discussed.