Taxonomic Revision of Trisetum Sect. Trisetum (Poaceae: Pooideae: Aveninae) from Eurasia and North Africa1

IF 1.1 3区生物学 Q3 PLANT SCIENCES Annals of the Missouri Botanical Garden Pub Date : 2018-09-14 DOI:10.3417/2018067

P. Barberá, C. Romero-Zarco, C. Aedo

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引用次数: 8

Abstract

Abstract A taxonomic revision of Trisetum Pers. sect. Trisetum is presented. We include descriptions and synonyms of each taxon from a study of 894 vouchers from 45 herbaria. Detailed morphometric descriptions, illustrations, distribution maps, an identification key, and habitat data are given for each taxon. Morphometric variation of the main characters is shown by box plots. Thirty-one names are lectotypified. Two neotypes are designated. We recognize eight species of Trisetum in the section: T. alpestre (Host) P. Beauv., T. altaicum Stephan ex Roshev., T. bertolonii Jonsell, T. flavescens (L.) P. Beauv., T. fuscum Schult., T. glaciale (Bory) Boiss., T. gracile (Moris) Boiss., and T. laconicum Boiss. & Orph. Two infraspecific taxa of T. flavescens are recognized (T. flavescens subsp. flavescens and T. flavescens subsp. griseovirens (H. Lindb.) Dobignard). Six of the eight species of Trisetum sect. Trisetum are endemic to the different European mountain ranges, while T. altaicum grows in the Altai and Tian Shan Mountains, and in the mountains of northern Mongolia and southern Russia, and T. flavescens is widespread in temperate regions of Europe, western Asia, and northern Africa. Vegetative propagation by pseudoviviparism is observed for the first time in specimens of T. flavescens subsp. flavescens.

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三叶虫门的分类学修订。欧亚大陆和北非的三叶草（禾本科：蒲科：Aveninae）1

文章摘要：植物三柱门的一个分类学修订。呈现Trisetum。我们对来自45个植物标本馆的894个凭证进行了研究，其中包括每个分类单元的描述和同义词。每个分类单元都有详细的形态计量描述、插图、分布图、识别密钥和栖息地数据。主要性状的形态变异以箱型图表示。31个名字被选为典型。指定了两种新型。我们在该节中识别出八种Trisetum：T.alpestre（宿主）P.Beauv。，T.altaicum Stephan ex Roshev。，T.bertolonii-Jonsell、T.flavescens（L.）P.Beauv。，T.fuscum-Schult。，T.glaciale（Bory）Boiss。，T.gracile（Moris）Boiss。，和T.laconicum Boiss。&孤儿。已识别出两个黄曲霉的亚种分类群（黄曲霉黄亚种和黄曲霉灰绿病毒亚种（H.Lindb.）Dobignard）。Trisetum教派八个物种中的六个。Trisetum是欧洲不同山脉的特有植物，而T.altaium生长在阿尔泰和天山山脉，以及蒙古北部和俄罗斯南部的山区，而T.flavescens广泛分布在欧洲、西亚和北非的温带地区。首次在苦参亚种标本中观察到假活体繁殖的营养繁殖。黄。

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Annals of the Missouri Botanical Garden 生物-植物科学

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3.60

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0.00%

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期刊介绍： The Annals of the Missouri Botanical Garden is a quarterly international journal primarily devoted to systematic botany and evolutionary biology. We encourage submissions of original papers dealing with significant advances in the taxonomy, phylogeny, biogeography, paleobiology, and evolution of plants, and in conservation genetics and biology, restoration ecology, and ethnobiology, using morphological and/or molecular characters, field observations, and/or database information. We also welcome reviews and papers on conceptual issues and new methodologies in systematics. Important floristic works will also be considered. Symposium proceedings discussing a broader range of topical biological subjects are also published, typically once a year. All manuscripts are peer-reviewed by qualified and independent reviewers.

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