In this thesis, leaf epidermis, pollen morphology, karyology and molecular phylogeny of Pleurospermum were investigated in order to discuss the taxonomy and systematics of this genus as well as to explore the origin and evolution of it.
本研究从叶表皮形态、花粉形态学、细胞分类学、分子系统学、分支分类等方面讨论该属的系统分类和进化机制等问题，并试图解释该属植物的起源与进化，为该属植物的系统学和物种生物学研究提供资料。
参考来源 - 四川棱子芹属（Pleurospermum Hoffm.）系统学研究·2,447,543篇论文数据，部分数据来源于NoteExpress
N the study of cell nuclei, esp with reference to the number and shape of the chromosomes 细胞核学
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