Biosystematic study in the genus Cousinia Cass. (Asteraceae), section Cousinia

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• 作者：Amir Abbas Minaeifar^a ; Masoud Sheidai^b ; ^{msheidai@yahoo.com} ; Farideh Attar^c ; Zahra Noormohammadi^d ; Somayeh Ghasemzadeh-Baraki^b
• 关键词：Cousinia ; Cp-DNA ; ISSR ; Micromorphology species delimitation
• 刊名：Biochemical Systematics and Ecology
• 出版年：2016
• 出版时间：December 2016
• 年：2016
• 卷：69
• 期：Complete
• 页码：252-260
• 全文大小：532 K
• 卷排序：69

文摘

The genus Cousinia Cass. (Family Asteraceae) with about 600–700 species is distributed in central and western Asia. We undertook a detailed morphological, micro-morphological and molecular (Cp-DNA and ISSRs) study of the section Cousinia with the following objectives: 1- to delimitate the species, 2- to identify potential intermediate forms, 3- to investigate the species inter-relationship. The present study revealed that combination of morphological, micro-morphological and ISSR data can delimit the species. AMOVA and STRUCTURE analysis revealed that the species of this section are genetically differentiated but have some degree of shared common alleles. Reticulation analysis showed some degree of gene flow for Cp-DNA that can help the species to cope with environmental variability they face.