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首页> 外文期刊>Nuytsia >Formal recognition of Eucalyptus platydisca (Myrtaceae), an arid-zone monocalypt from south-western Australia
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Formal recognition of Eucalyptus platydisca (Myrtaceae), an arid-zone monocalypt from south-western Australia

机译：正式认可澳大利亚西南部干旱区单桉桉树（Myrtaceae）

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摘要

The new species Eucalyptus platydisca is formally described, the species having been long recognised as a distinct taxon under the manuscript name E. platydisca and under various phrase names including the common name Jimberlana mallee. The new species is known from just two populations near Norseman in Western Australia and is included in Western Australia's Schedule of Declared Rare (Endangered) Flora. The new species is closely related to, but readily distinguishable from, E. diversifolia, differing in the narrower juvenile leaves, the consistently 7-flowered inflorescences, the longer, conical to horn-shaped operculum, the broader fruits with a consistently broad disc and the granite hill habitat. Eucalyptus platydisca is probably a relictual species and occurs in the lowest rainfall environment of any monocalypt (Eucalyptus subgenus Eucalyptus). The new species is part of E. subser. Neuropterae, and a key for the subseries is presented.
机译：正式描述了新种的桉树，该种早已被公认为是手稿名称E. platydisca和各种短语名称（包括俗名金伯拉纳·马利）的独特分类群。该新物种仅从西澳大利亚的诺斯曼附近的两个种群中得知，并被列入西澳大利亚的申报稀有（濒危）植物群表。新物种与宽叶E. diversifolia密切相关，但很容易区别，不同之处在于幼叶较窄，花序始终为7朵花，圆锥形到圆锥形的，盖更长，果实较宽，圆盘和果盘较宽，花岗岩山的栖息地。桉树可能是一种遗留物种，出现在任何单一桉树（桉树亚属桉树）的最低降雨环境中。新物种是大肠杆菌的一部分。 Neuropterae，以及该亚系列的钥匙。

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