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首页> 外文期刊>American Fern Journal >Polystichum montevidense Demystified: Molecular and Morphological Data Reveal a Cohesive, Widespread South American Species
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Polystichum montevidense Demystified: Molecular and Morphological Data Reveal a Cohesive, Widespread South American Species

机译:Polystichum montevidense揭开神秘面纱:分子和形态学数据揭示了凝聚力强,分布广泛的南美物种

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摘要

The genus Polystichum presents striking variation in morphology and habitat preference in the Central Andes, the Serra do Mar, and adjacent regions. Among these taxa, Polystichum montevidense is a name long applied to an array of twice-pinnate species with dark petiole scales, broad leaves, and no vegetative propagules. Using a classical morphological approach combined with inferences gleaned from molecular data, we analyzed P. montevidense and its widespread and ecologically prominent array of allies. Results from our combined molecular and morphological analysis suggest the name P. montevidense should be applied to collections from the Central Andes south to Argentina, and east to Uruguay and the southernmost portion of Brazil. Most Brazilian plants determined as P. montevidense in herbaria are P. platylepis.
机译:Polystichum属在安第斯山脉中部,Serra do Mar和邻近地区的形态和生境偏好呈现出惊人的变化。在这些类群中,长期以来,山毛榉(Polystichum montevidense)是一个名称,长期用于一系列具有羽状叶柄鳞片,阔叶且无营养繁殖体的双羽状物种。使用经典的形态学方法,结合从分子数据中得出的推论,我们分析了斑节对虾及其在生态学上广泛分布的盟友。我们进行的分子和形态分析相结合的结果表明,应将名称P. montevidense应用于从安第斯中部南部到阿根廷,东部到乌拉圭和巴西最南端的集合。在草本植物中被确定为蒙特氏疟原虫的大多数巴西植物是P. platylepis。

著录项

  • 来源
    《American Fern Journal》 |2013年第2期|118-130|共13页
  • 作者单位

    Museu Nacional, Universidade Federal do Rio de Janeiro, Quinta da Boa Vista, s.n., Sao Cristovao, Rio de Janeiro, Brazil 20940-040;

    University of Vermont, Pringle Herbarium, Torrey Hall, 27 Colchester Ave, Burlington, VT 05405, USA;

    Instituto Multidisciplinario de Biologia Vegetal (IMBIV-CONICET) y Facultad de Ciencias Quimicas, Universidad Nacional de Cordoba, Haya de la Torre y Medina Allende, Cordoba, Argentina;

    Universidade Federal do Rio de Janeiro, Instituto de Biologia, Av. Carlos Chagas Filho, 373, Cidade Universitaria, Rio de Janeiro, Brazil 21941-902;

    University of Vermont, Pringle Herbarium, Torrey Hall, 27 Colchester Ave, Burlington, VT 05405, USA;

  • 收录信息 美国《科学引文索引》(SCI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Dryopteridaceae; South America; Andes; Brazil; biogeography; phylogeny;

    机译:鳞翅目科;南美洲;安第斯山脉;巴西;生物地理学系统发育;

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