【摘要】 作者对内蒙古天然草原六种针茅属植物的花粉粒进行扫描电子显微镜观察，发现在花粉粒大小、萌发孔直径、颗粒状纹饰的粗细及孔环特征等性状方面均有显著差异。更多还原

【Abstract】 Pollen grains from 6 species of Stipa L. in Inner Mongolia were collected and observed by scanning electron microscope. The results showed that there were differences among the pollen grains in terms of size, diameter of pore, protuberace of pores, annulus and suface ornamentation. The divergence of pollen morphology were correlated to regional distribution of the plants.更多还原