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- monocolpate pollem 单槽花粉
- The pollen grains are bilateral symmetric, heteropolar, monocolpate, broadly elliptical in polar view, boad-shaped in equatorial view, and medium size. 花粉粒椭圆形，两侧对称，异极，具远极单萌发沟，中等大小；
- monocolpate pollen 具单沟花粉
- monocolpate 具单沟的
- 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; 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；
