以上来源于: WordNet
Several monophyletic clades of seed plants, namely eudicots, rosids, and asterids, were supported by molecular data with their united morphological synapomorphies.
根据分子数据结合形态上近裔共性,若干分支的单系性得到支持,这些分支包括真双子叶植物、蔷薇分支和菊分支等。
One duplication occurred 200 million years ago, just before monocots and eudicots arose.
一次加倍发生在2亿年前,即单子叶和双子叶植物出现之前。
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。
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