加那利岛特有植物Argyranthemum broussonetii和A. callichrysum(菊科:菊花科)在进化关系和形态上的重新描述

IF 1.8 3区生物学 Q2 PLANT SCIENCES Willdenowia Pub Date : 2021-04-29 DOI:10.3372/wi.51.51111

O. White, J. Reyes‐Betancort, M. Chapman, M. Carine

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引用次数: 1

摘要

摘要：系统发育分析表明，构菊属多系。broussonetii（特内里费岛）和亚种。Gomeresis（La Gomera）在马卡龙岛特有属牛膝属中分离为不同的分支。结果表明，构树亚种。构树及其亚种。鹅膏草的叶片性状相似，可能是适应相似栖息地的结果，但根据头状花序和莎草科的特征可以很容易地将两者区分开来。的确，构树亚种。根据头状花序和cypselae的特征，gomeresis被发现与同样来自La Gomera的A.callichrysum具有更大的亲和力，这与其系统发育位置一致。因此，我们提出构树亚种。Gomeresis应被认为是a.callichrysum的一个亚种，特别是a.callicrysum亚种。戈梅伦西斯。一个鉴别构树的关键。愈伤组织和亚种。提供了戈梅伦西斯。引文：White O.W.、Reyes Betancort J.A.、Chapman M.A.和Carine M.A.2021：基于进化关系和形态学的加那利岛特有种银菊属和紫菊属（菊科：菊亚科）的重新命名Willdenowia 51:129-139。该记录的版本于2021年4月29日首次在线发布，随后将收录在2021年4月刊中。

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Recircumscription of the Canary Island endemics Argyranthemum broussonetii and A. callichrysum (Asteraceae: Anthemideae) based on evolutionary relationships and morphology

Abstract: Phylogenetic analysis has revealed that Argyranthemum broussonetii is polyphyletic, with subsp. broussonetii (Tenerife) and subsp. gomerensis (La Gomera) resolved in separate clades within the Macaronesian endemic genus Argyranthemum. We show that A. broussonetii subsp. broussonetii and subsp. gomerensis are similar in leaf traits, likely a consequence of adaptation to similar habitats, but that the two can readily be distinguished based on capitula and cypselae characteristics. Indeed, A. broussonetii subsp. gomerensis was found to share greater affinity with A. callichrysum, also from La Gomera based on capitula and cypselae characters, in agreement with its phylogenetic placement. Therefore, we propose that A. broussonetii subsp. gomerensis should be recognized as a subspecies of A. callichrysum, specifically A. callichrysum subsp. gomerensis. A key to differentiate A. broussonetii, A. callichrysum subsp. callichrysum and subsp. gomerensis is provided. Citation: White O. W., Reyes-Betancort J. A., Chapman M. A. & Carine M. A. 2021: Recircumscription of the Canary Island endemics Argyranthemum broussonetii and A. callichrysum (Asteraceae: Anthemideae) based on evolutionary relationships and morphology. – Willdenowia 51: 129–139. Version of record first published online on 29 April 2021 ahead of inclusion in April 2021 issue.

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来源期刊

Willdenowia PLANT SCIENCES-

CiteScore

4.60

自引率

5.30%

发文量

审稿时长

>12 weeks

期刊介绍： Willdenowia is an international peer-reviewed journal publishing original research articles in English from the entire fields of plant, algal and fungal systematics, covering the evolution, taxonomy and nomenclature of these organisms as well as related fields such as floristics and plant geography. Articles on phylogeny and molecular systematics are especially welcome, as are review articles. Descriptions of new taxa may be considered, but only if supported by robust evidence. Narrowly regional studies of widespread taxa, routine typifications, checklists and new floristic records are generally not considered (excluding contributions to the Euro+Med-Checklist Notulae). Authors are encouraged to deposit duplicates of their material, especially nomenclatural types, in the Berlin herbarium (B).