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首页> 外文期刊>Australian Systematic Botany >A taxonomic revision and morphological variation within Eucalyptus series Subulatae subseries Oleaginae (Myrtaceae), including the oil mallee complex, of south-western Australia.
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A taxonomic revision and morphological variation within Eucalyptus series Subulatae subseries Oleaginae (Myrtaceae), including the oil mallee complex, of south-western Australia.

机译：澳大利亚西南部的桉树系列亚目亚目（桃金娘科）（包括油槌复合体）内的分类学修订和形态变异。

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摘要

Morphological variation within Eucalyptus series Subulatae subseries Oleaginae, a group of mallee taxa distributed in south-western Australia, was assessed by adult and seedling characteristics. A total of 36 adult morphological characters and 20 seedling characters was included in phenetic analyses of 82 individuals representing 29 populations covering all the taxa and the broad geographical distribution of the series. The phenetic analyses indicate relatively weak separation of all previously recognised taxa within E. subser. Oleaginae, except for E. longissima (previously referred to as E. grasbyi), which is distinctive in its seedling morphology, and to a lesser degree, E. ultima, which is also most easily distinguished by seedling morphology. E. eremicola, E. peeneri and E. sublucida are not well differentiated from one another, differing significantly only in adult leaf colour and gloss. The three previously recognised species of the oil mallee complex (E. kochii, E. plenissima and E. 'horistes') are also only weakly differentiated from one another. Two variants within E. kochii were observed to differ from each other in several adult vegetative and floral characteristics and are recognised at the subspecific level. A new taxonomy for E. subser. Oleaginae is presented, based on phenetic analyses combined with extensive field, glasshouse and herbarium examination of all taxa in the subseries. A new species is described (E. longissima Nicolle sp. nov.) to accommodate populations of mallees previously erroneously referred to E. grasbyi. New combinations are made for E. peeneri [E. eremicola subsp. peeneri (Blakely) Nicolle comb. nov.] and E. oleosa var. borealis [E. kochii subsp. borealis (C. Gardner) Nicolle comb. nov.] and two new subspecies of E. kochii are described (subspp. amaryssia Nicolle and yellowdinensis Nicolle). Eucalyptus sublucida is considered to be synonymous with E. eremicola subsp. peeneri. Keys to the taxa within the subseries are presented..
机译：通过成年和幼苗特征评估了桉树系列亚纲亚科Oleaginae（一组分布在澳大利亚西南部的槌状类）内的形态学变异。在对代表29个种群的82个个体的物候分析中，总共包括36个成人形态特征和20个幼苗特征，涵盖了该分类的所有分类单元和广泛的地理分布。物候分析表明，在大肠杆菌中所有先前识别的分类单元的分离相对较弱。除了长形大肠杆菌（E. longissima）（以前称为E. grasbyi）外，它的幼苗形态是独特的，而在较小程度上，多形大肠杆菌（E. ultima）也是最容易通过幼苗形态来区分的。 eremicola，E.peeneri和sublucida不能很好地区分，仅在成年叶片的颜色和光泽上有显着差异。先前认识到的油槌复合物的三个物种（E. kochii，E。plenissima和E.'horistes'）也只是彼此微弱地区分。观察到大肠埃希氏菌中的两个变异在几个成年植物的营养和花香特征上彼此不同，并在亚特异性水平上被识别。大肠杆菌的新分类法。介绍了油橄榄科，基于物候分析，并结合了该亚系列中所有类群的广泛田间，温室和植物标本室检查。描述了一种新物种（E. longissima Nicolle sp。nov。），以容纳先前被误称为Es​​ grasbyi的马蹄种群。新的组合是为E. peeneri [E.埃雷米科拉亚种佩妮（布雷克利）尼科尔梳子。 nov。]和E. oleosa var。北极[E.高知县北极虫（C. Gardner）Nicolle梳子。 ]和两个新的小肠埃希氏菌亚种（亚历克斯尼科勒和黄丹尼科勒）。 sublucida桉树被认为是E.eremicola亚种的同义词。佩内里。显示了子系列中分类单元的密钥。

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