Solidago教派的细胞地理学。多辐射科（菊科：Astereae）

IF 1.1 3区生物学 Q3 PLANT SCIENCES

Annals of the Missouri Botanical Garden Pub Date : 2022-05-17 DOI:10.3417/2022739

J. C. Semple, J. Chmielewski

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引用次数: 0

摘要

摘要报道了Solidago L.sect三个种之一的35个个体的染色体数目。来自加拿大和美国的多辐射科（Semple）Semple&J.B.Beck:S.multiradiata Aiton。S.leiocarpa DC之前公布的101个计数的几乎所有凭证的标识。，S.multiradiata和S.spithamaea M.A.Curtis ex A.Gray在Semple和Beck（2021）对该路段进行划界后得到确认或修订。二倍体2n=18出现在S.multiradiata的大部分范围内，四倍体出现在该范围的一些区域，但其他区域未知。这两个分布狭窄的阿巴拉契亚山脉高海拔物种都是多倍体：在新罕布什尔州，S.leiocarpa是四倍体2n=36，在北卡罗来纳州，S.spithamaea是六倍体2n=54。

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Cytogeography of Solidago sect. Multiradiatae (Asteraceae: Astereae)

Abstract. Chromosome numbers are reported for 35 individuals of one of three species of Solidago L. sect. Multiradiatae (Semple) Semple & J. B. Beck from Canada and the United States: S. multiradiata Aiton. Identifications of nearly all vouchers for 101 previously published counts for S. leiocarpa DC., S. multiradiata, and S. spithamaea M. A. Curtis ex A. Gray were confirmed or revised following the delimitation of the section by Semple and Beck (2021). Diploids 2n = 18 occur over much of the range of S. multiradiata with tetraploids occurring in some areas of the range but unknown from others. The two narrowly distributed high Appalachian Mountains species are both polyploid: S. leiocarpa is tetraploid 2n = 36 in New Hampshire, and S. spithamaea is hexaploid 2n = 54 in North Carolina.

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来源期刊

Annals of the Missouri Botanical Garden 生物-植物科学

CiteScore

3.60

自引率

0.00%

发文量

期刊介绍： The Annals of the Missouri Botanical Garden is a quarterly international journal primarily devoted to systematic botany and evolutionary biology. We encourage submissions of original papers dealing with significant advances in the taxonomy, phylogeny, biogeography, paleobiology, and evolution of plants, and in conservation genetics and biology, restoration ecology, and ethnobiology, using morphological and/or molecular characters, field observations, and/or database information. We also welcome reviews and papers on conceptual issues and new methodologies in systematics. Important floristic works will also be considered. Symposium proceedings discussing a broader range of topical biological subjects are also published, typically once a year. All manuscripts are peer-reviewed by qualified and independent reviewers.