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首页> 外文期刊>Systematics and Biodiversity >Using multiple sources of characters to delimit species in the genus Crataegus (Rosaceae): the case of the Crataegus rosei complex
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Using multiple sources of characters to delimit species in the genus Crataegus (Rosaceae): the case of the Crataegus rosei complex

机译：使用多种字符来源到Crataegus（Rosaceae）中的分隔物种：Crataegus Rosei Complex的案例

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摘要

The aim of this study was to delimit the taxa of the Crataegus rosei complex using an integrative approach that incorporates a suite of molecular (cpDNA and nuclear microsatellite markers), morphological, and geometric morphometric characters. One hundred and ten plants from 19 populations that encompass the entire distribution range of the species complex were collected and examined along with herbarium specimens. Parsimony and Bayesian inference analyses were run using morphological, molecular, and both the morphological and molecular data sets combined. Analyses to determine genetic structure based on microsatellite data and multivariate analyses incorporating geometric morphometrics were also done to identify differences in leaf shape. The results supported the recognition of two taxa: C. rosei with high levels of gene flow among its populations, remarkable morphological variation and a wide distribution range and C. rosei var. amoena, composed of a few isolated populations in the high elevation location of Cerro Potosi; a new specific epithet will be decided for the latter in accordance with the International Code of Nomenclature for algae, fungi, and plants.
机译：本研究的目的是使用一种集成方法将Crataegus Rosei综合体的分列限定，该综合方法包含一套分子（CPDNA和核微卫星标记），形态和几何形态学特征。从19种群体中收集了一百十个植物，这些植物包括物种复合物的整个分布范围，并与植物标目标本一起检查。使用形态学，分子和组合形态学和分子数据集进行分析和贝叶斯推断分析。还采用了基于微卫星数据和多变量分析来确定基于微卫星数据的遗传结构的分析，以识别叶形的差异。结果支持识别两种分类群：C.玫瑰座，其群体中具有高水平的基因流动，具有显着的形态学变化和广泛的分布范围和C.玫瑰果。 Amoena，由Cerro Potosi的高海拔地区的一些孤立群体组成;根据藻类，真菌和植物的国际命令准则，将为后者决定一个新的特定绰号。

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