摘要
用光学显微镜和扫描电镜观察木兰属 ( Magnolia) 3种植物的花粉粒 ,其形态特征是 :花粉粒长球形 ,具单沟 ;外壁光滑或粗糙。结果表明 :该属 3种植物花粉形态在种的水平上具有分类学意义 ,而且具有明显的演化趋势。
The pollen grains of 3 species of Magnolia were observed by LM and SEM.The general morphological features were as follows:The shape of the pollen grains are ellipsoid possessing monocolpate;The surface are smooth or rough.The results show that the pollen morphology characteristics have taxonomic significance at species level.
出处
《西北植物学报》
CAS
CSCD
1999年第6期206-208,T005,共4页
Acta Botanica Boreali-Occidentalia Sinica
基金
甘肃省教委基金资助项目
