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A partial revision of the south-western Australian species of Micromyrtus (Myrtaceae: Chamelaucieae)

机译:澳大利亚西南种小桃金娘(桃金娘科:Chamelaucieae)的部分修订版

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摘要

This partial revision of the genus Micromyrtus Benth., deals mainly with species that have a ten-ribbed hypanthium, but excludes the M. racemosa complex. All of the new species are endemic to the south-west of Western Australia. Eight taxa are named:M. acuta Rye, M. chrysodema Rye, M. clavata J. W. Green ex Rye, M. elobata subsp. scapula Rye, M. placoides Rye, M. navicularis Rye, M. redita Rye and M. triptycha Rye. A key is given for Western Australian members of the genus. Micromyrtus is compared with its close relative Corynanthera J. W. Green, and the morphological specialisations of both genera and their possible affinities to other genera in tribe Chamelaucieae are discussed. The compressed winged diaspore of Corynanthera, which has the peduncle fused to both the bracteoles and fruit, is of particular interest, and an illustration compares it with diaspores from five- and ten-ribbed species of Micromyrtus.
机译:Micromyrtus Benth。属的这一部分修订版主要处理的是具有十个肋的Hyththium的物种,但不包括总状体M. racemosa复合体。所有新物种都是西澳大利亚州西南部特有的。八个分类单元被命名为:M。 acuta Rye,M。chrysodema Rye,M。clavata J. W. Green ex Rye,M。elobata亚种。肩cap骨Rye,M。placoides Rye,M。navicularis Rye,M。redita Rye和M.triptycha Rye。为西澳大利亚属的成员提供了一个密钥。将微型桃金娘与其近亲Corynanthera J. W. Green进行了比较,并讨论了两个属的形态专长及其在部落变色龙科中对其他属的亲和力。具冠状花序被压缩的有翅的硬孢子,其花序梗与小act片和果实融合在一起,引起了人们的特别兴趣,并有一个插图将其与来自五棱纹和十棱纹密克罗尼西亚种的硬孢子进行了比较。

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  • 来源
    《Nuytsia》 |2006年第1期|共31页
  • 作者

    Barbara Rye;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 植物学;
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