Morphological variability of rosette leaves within Sempervivum ciliosum and S. ruthenicum complexes (Crassulaceae): The geometric morphometrics approach

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Accounts of Chemical Research Pub Date : 2024-10-11 DOI:10.1016/j.flora.2024.152619

Maja D. Jovanović , Maja J. Lazarević , Predrag M. Lazarević , Dmitar V. Lakušić , Bojan K. Zlatković

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Abstract

The yellow-flowered Sempervivum species from the Balkan Peninsula, tentatively divided into Sempervivum ciliosum (S. ciliosum, S. galicicum, S. jakucsii, S. klepa, S. octopodes) and S. ruthenicum complexes (S. kindingeri, S. leucanthum, S. ruthenicum, S. zeleborii), are well known for their pronounced phenotypic plasticity, especially in the vegetative parts, resulting in exceedingly complicate infrageneric taxonomy. Extensive studies dealing with the variability of qualitative and quantitative traits, such as the shape and size of the rosette leaves, were not conducted in the past. This study aimed to analyse the extent of morphological variability of the rosette leaves regarding their shape and size and evaluate their potential to resolve taxonomic doubts. For this purpose, geometric morphometrics, as a tool for analysing minute shape variability, was used to discriminate mentioned species. The variability of the rosette leaves was statistically analysed within 15 populations using univariate (ANOVA) and multivariate statistical analysis (MANOVA, PCA, DA). Obtained results indicated highly statistically significant differences in rosette leaf shape and size between analysed complexes and species.

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Sempervivum ciliosum 和 S. ruthenicum 复合物（十字花科）中莲座叶的形态变异：几何形态计量学方法

巴尔干半岛的黄花半枝莲品种可初步分为半枝莲（S. ciliosum、S. galicicum、S. jakucsii、S. klepa、S. octopodes）和半枝莲（S. ruthenicum）复合体（S. kindingeri、S. leucanthum、S. ruthenicum、S. zeleborii）。klepa, S. octopodes）和 S. ruthenicum 复合物（S. kindingeri, S. leucanthum, S. ruthenicum, S. zeleborii），以其明显的表型可塑性而闻名，尤其是在无性部分，导致属下分类极其复杂。过去没有对莲座叶的形状和大小等定性和定量性状的变异性进行广泛研究。本研究旨在分析莲座丛叶在形状和大小方面的形态变异程度，并评估其解决分类问题的潜力。为此，利用几何形态计量学这一分析微小形状变异性的工具来区分所述物种。利用单变量（方差分析）和多变量统计分析（MANOVA、PCA、DA）对 15 个种群中莲座叶的变异性进行了统计分析。结果表明，所分析的复合体和物种之间的莲座丛叶形状和大小在统计学上存在显著差异。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.

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