A comparative anatomical study on leaf and scape of Androsace taxa (Primulaceae): contribution to Androsace taxonomy

IF 2.1 4区 综合性期刊 Q2 MULTIDISCIPLINARY SCIENCES
Sibel Ulcay, Abdurahman Sefali, Yakup Yapar, İbrahim Demir, Betül Gıdık
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Abstract

In the present study, the leaf and scape anatomical features of ten Androsace taxa distributed in Türkiye were defined to contribute to plant identification. Hand sections from both the scape and leaf examined 43 anatomical characters. Principal component analysis (PCA) and hierarchical cluster analysis (HCA) were performed for the first time for Androsace. The results show that there are differences as well as similarities between Androsace species. It is noteworthy that Androsace artvinensis forms a separate main group with HCA. In addition, the fact that two of the five basic components are represented by a single variable according to the PCA results suggests that the anatomical characters examined are determinative for Androsace taxa.). In PCA, eigenvalues of PC1 (2.435), PC2 (1.749), PC3 (1.369), PC4 (1.223), and PC5 (1.006) were greater than 1.0. Cortex width, aerenchyma, arrangement of vascular bundles, and four-branched non-glandular hairs are among the important anatomical characteristics of the scape. Leaf cross-sectional shape, epidermis dimensions, glandular hair types, presence of five branched non-glandular hairs, stoma sizes, presence of crystals in the mesophyll, and types are among the qualitative and quantitative anatomical characteristics that attract attention in the leaf. This study examined almost all taxa of the genus Androsace distributed in Türkiye. The results will be important in finding new species among the examined taxa and revealing the anatomical features of the taxa for the first time. They will contribute to other studies on the genus.

Abstract Image

报春花科花楸属植物叶片和花葶的比较解剖学研究:对花楸分类的贡献
本文对分布于台湾的10个Androsace分类群的叶片和花蕾解剖特征进行了定义,以期为植物鉴定提供依据。从茎叶和叶的手切片检查了43个解剖特征。本文首次对Androsace进行了主成分分析(PCA)和层次聚类分析(HCA)。结果表明,花楸属植物之间既有相似之处,也有差异。值得注意的是,黄花Androsace artvinensis与HCA形成了一个单独的主类群。此外,根据主成分分析结果,五个基本成分中的两个由一个变量表示,这表明所检查的解剖特征对Androsace类群是决定性的。PCA中,PC1(2.435)、PC2(1.749)、PC3(1.369)、PC4(1.223)、PC5(1.006)的特征值均大于1.0。皮层宽度、通气组织、维管束的排列和四分枝的非腺毛是鳞片的重要解剖特征。叶片的横截面形状、表皮尺寸、腺毛类型、五支非腺毛的存在、气孔大小、叶肉中晶体的存在和类型都是叶片中吸引人们注意的定性和定量解剖学特征。本文研究了分布在台湾的几乎所有Androsace属的分类群。这一结果对于在所研究的分类群中发现新种和首次揭示该分类群的解剖学特征具有重要意义。他们将对该属的其他研究作出贡献。
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来源期刊
Rendiconti Lincei-Scienze Fisiche E Naturali
Rendiconti Lincei-Scienze Fisiche E Naturali MULTIDISCIPLINARY SCIENCES-
CiteScore
4.10
自引率
10.00%
发文量
70
审稿时长
>12 weeks
期刊介绍: Rendiconti is the interdisciplinary scientific journal of the Accademia dei Lincei, the Italian National Academy, situated in Rome, which publishes original articles in the fi elds of geosciences, envi ronmental sciences, and biological and biomedi cal sciences. Particular interest is accorded to papers dealing with modern trends in the natural sciences, with interdisciplinary relationships and with the roots and historical development of these disciplines.
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