澳大利亚的扁花（石蒜科）物种复合体

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2022-10-06 DOI:10.1071/SB21038

J. Simpson, J. Conran, Ed Biffin, Kor‐Jent van Dijk, M. Waycott

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引用次数: 1

摘要

麻草。广泛分布于澳大利亚南部和东部，但在分类上存在不确定性。这种歧义部分是由于广泛的杂交在属，但也形态变异内部和群体之间。利用24个形态特征和59个叶绿体编码区和非编码区(~50 000 bp)对该复体进行形态学和分子分析，支持了C. flacacum与C. luteolum Traub和L.S.Hannibal ex Traub的分离，后者代表了Flinders Ranges和Lake Eyre Basin的种群。与来自默里河沿岸的南澳大利亚种群相比，在新南威尔士州洪泛平原种群中，有更大的推断遗传结构。从理论上讲，南澳大利亚种群的较大结构归因于较低的种子传播率导致较低的基因流动。

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The Crinum flaccidum (Amaryllidaceae) species complex in Australia

ABSTRACT Crinum flaccidum Herb. is widespread across southern and eastern Australia, but suffers from taxonomic uncertainty. This ambiguity is in part due to widespread hybridisation in the genus, but also morphological variability within and among populations. Morphological and molecular analyses of the complex using 24 morphological characters and 59 chloroplast coding and non-coding regions (~50 000 bp) provided support for the separation of C. flaccidum from C. luteolum Traub & L.S.Hannibal ex Traub, with the latter representing populations from the Flinders Ranges and Lake Eyre Basin. Within Crinum flaccidum, there was greater inferred genetic structure at the population level for New South Wales flood plain accessions, compared with South Australian populations from along the Murray River. The greater structure of the South Australian populations is theorised to be attributed to lower seed-dispersal rates leading to lower gene flow.

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.