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首页> 外文期刊>Nuytsia >persoonia manotricha (Proteaceae: Persoonioideae), a new species associated with Banded Iron Formation ranges in the Midwest region, Western Australia
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persoonia manotricha (Proteaceae: Persoonioideae), a new species associated with Banded Iron Formation ranges in the Midwest region, Western Australia

机译：persoonia manotricha（Proteaceae：Persoonioideae），与西澳大利亚州中西部地区带状铁形成范围有关的新物种

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摘要

The new species, Persoonia manotricha A.S.Markey & R.Butcher, is morphologically similar to P. bowgada P.H. Weston and P. hexagona P.H. Weston in its habit, in having six alternating grooves and ridges on its subterete, pungent leaves and in its floral structure. While its leaf morphology and anatomy closely ally P. manotricha with P. bowgada, the new species can be distinguished by its longer pedicels and by its flowers being less pubescent with a glabrous to sparsely pubescent ovary, similar to those of P. hexagona. Comparative leaf anatomy confirms that P. hexagona is distinctly different in having relatively broad longitudinal grooves in its leaves. The characteristic darkness of these broad grooves, in dried specimens, is not exclusively the result of the stomatal guard cells blackening, as previously thought, but also results from the greater visibility of the underlying mesophyll. Persoonia manotricha is commonly found on the lower, rocky slopes of Banded Iron Formation (BIF) ranges in tallAcacia dominated shrubland. A taxonomic description of the new species, including images and a distribution map, is provided. The new species is integrated into the most recently publishedkey to Persoonia species.
机译：马齿manPersoonia manotricha A.S. Markey＆R.Butcher的新物种在形态上与鲍氏疟原虫P.H.韦斯顿和六角形对虾韦斯顿的习惯是，在其小节，刺鼻的叶子和花的结构上有六个交替的沟和脊。尽管它的叶片形态和解剖学与马氏假单胞菌和弓形假单胞菌紧密联系在一起，但新物种的特征在于其较长的花梗和花短柔毛，具无毛到稀疏的子房，类似于六角形的P. a。比较的叶片解剖学证实六角形疟原虫在其叶片中具有相对较宽的纵向凹槽方面明显不同。在干燥的标本中，这些宽槽的特征性暗度不仅是如先前所认为的那样是气孔保卫细胞变黑的结果，而且还在于下层叶肉的可见性更高。 Manosricha Persoonia通常在高金合欢为主的灌木丛中的带状铁层（BIF）范围的较低岩石斜坡上发现。提供了新物种的分类学描述，包括图像和分布图。新物种已被整合到Persoonia物种的最新密钥中。

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