天竺葵属(天竺葵科)孢粉分析及其系统意义

IF 2.1 4区 生物学 Q2 Agricultural and Biological Sciences
Jun Wang, C. Ye, Tong Zhang, Xusheng Shi, M. Khayatnezhad, A. Shakoor
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引用次数: 1

摘要

本文对天竺葵属23个种的花粉形态进行了详细的研究,分别代表了天竺葵亚属、天竺葵亚属和秋葵亚属2个亚属的8个亚属。天竺葵亚属、天竺葵亚属、灵芝亚属、风铃草亚属和三叶草亚属。Robertium。这些植物种类来自伊朗不同的植物地理区域。孢粉学研究采用扫描电镜(SEM)技术。观察到不同的孢粉形态特征,并区分出近缘种。我们使用不同的多元统计方法来揭示物种关系。Ward聚类分析已经完成,以检查物种之间的关系。花粉粒的形状为单粒、径向对称、等极性,孔口为三圆柱状,分为球形、长球形和亚长球形。根据花粉外壁形态的差异,可以识别出三种花粉类型:网状棒状、条纹状、网状脊状带棒状。观察到的差异在亚属和切片水平上没有诊断意义。本研究的主要目的是发现天竺葵属植物的花粉特征,并阐明其分类学意义。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Palynological analysis of genus Geranium (Geraniaceae) and its systematic implications using scanning electron microscopy
Pollen morphology of 23 species belonging to Geranium have been studied in details, which represent eight sections of two subgenera i.e., G. sect. Dissecta, Geranium, and Tuberosa of subgen. Geranium, Divaricata, Lucida, Ruberta and Trilopha of subgen. Robertium. These plant species were collected from different phytogeographical regions of Iran. The palynological investigation was done using scanning electron microscopy (SEM) techniques. Different palyno-morphological features have been observed, and the closely related species were distinguished. We used different multivariate statistical methods to reveal the species relationships. Ward clustering analyses have been done to check out the relationship among the species. The shapes of pollen grains were monad, radially symmetric, isopolar, apertures were tricolporate, and of spheroid, prolate-spheroid or sub-prolate classes. Three pollen types were recognized on the basis of differences in exine sculpturing pattern: reticulate-clavate, striate-rugulate, reticulum cristatum with clavae. Observed differences were not of diagnostic importance in subgenera and sections level. The main objective of this study is to find distinguish pollen characters in the species of the genus Geranium and to elucidate their systematics importance.
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来源期刊
Caryologia
Caryologia 生物-遗传学
CiteScore
1.60
自引率
23.80%
发文量
26
审稿时长
12 months
期刊介绍: Caryologia is devoted to the publication of original papers, and occasionally of reviews, about plant, animal and human karyological, cytological, cytogenetic, embryological and ultrastructural studies. Articles about the structure, the organization and the biological events relating to DNA and chromatin organization in eukaryotic cells are considered. Caryologia has a strong tradition in plant and animal cytosystematics and in cytotoxicology. Bioinformatics articles may be considered, but only if they have an emphasis on the relationship between the nucleus and cytoplasm and/or the structural organization of the eukaryotic cell.
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