The current knowledge about the distribution of Portulaca species (Portulacaceae) within the Balkan Peninsula

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2024-07-08 DOI:10.1007/s11756-024-01724-3

Mykyta Peregrym, Snežana Dragićević

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Abstract

This study addresses the complex taxonomy and distribution of the genus Portulaca L. (Portulacaceae) within the Balkans, focusing on the often-debated species composition and distribution patterns in the P. oleracea aggregate. Our research aims to resolve this ambiguity by addressing two key questions: 1) Which Portulaca taxa are present in the Balkans, and 2) What is the current distribution of these taxa here? To achieve this, we conducted literature reviews, seed collection, species identification using micromorphological characteristics, and distribution analysis. Our findings reveal the presence of four distinct species in the Balkans: P. oleracea agg., P. grandiflora, P. pilosa and P. umbraticola. Additionally, within the P. oleracea complex, twelve microspecies have been identified, primarily differentiated based on seed micromorphology. Besides, five species (P. daninii, P. granulato-stellulata, P. rausii, P. sardoa, and P. trituberculata) have been documented in Montenegro, and one species (P. nitida) – in Slovenia for the first time. This study provides a valuable contribution to the botanical knowledge of the Balkan Peninsula, offering the recommendations for future studies of the P. oleracea complex for the solution of the taxonomic puzzle in this aggregate.

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关于巴尔干半岛马齿苋科植物分布的现有知识

本研究探讨了巴尔干半岛马齿苋属（马齿苋科）复杂的分类和分布情况，重点是马齿苋聚合体中经常引起争议的物种组成和分布模式。我们的研究旨在通过解决两个关键问题来解决这一模糊问题：1）巴尔干地区有哪些马齿苋类群；2）这些类群目前在这里的分布情况如何？为此，我们进行了文献查阅、种子采集、利用微观形态特征进行物种鉴定以及分布分析。我们的研究结果表明，巴尔干地区存在四个不同的物种：P. oleracea agg.、P. grandiflora、P. pilosa 和 P. umbraticola。此外，在 P. oleracea 复合体中，还发现了 12 个小种，主要根据种子微形态进行区分。此外，在黑山记录了五个物种（P. daninii、P. granulato-stellulata、P. rausii、P. sardoa 和 P. trituberculata），在斯洛文尼亚首次记录了一个物种（P. nitida）。这项研究为巴尔干半岛的植物学知识做出了宝贵的贡献，为今后研究 P. oleracea 复合体提供了建议，以解决该地区分类学上的难题。

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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.