1. The similarity of its heteropolar 3- or 6-aperturate pollen to the 3-aperturate pollen of Eudicots might result from convergent evolution.
其异极3沟或6沟型花粉与真双子叶植物的3沟花粉的相似是趋同演化的结果。

来自互联网

2. The similarity of its heteropolar 3- or 6-aperturate pollen to the 3-aperturate pollen of Eudicots might result from convergent evolution.
其异极3沟或6沟型花粉与真双子叶植物的3沟花粉的相似是趋同演化的结果。

来自互联网