分子分析将角孢属置于旋花科之外

Q4 Agricultural and Biological Sciences

Harvard Papers in Botany Pub Date : 2022-11-16 DOI:10.1101/2022.11.14.516456

P. Muñoz‐Rodríguez, J. R. Wood, Lucía Villaescusa González, Charles C. Davis, Z. Goodwin, R. Scotland

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引用次数: 2

摘要

摘要该属是最近在旋花科菊科植物中发现的。家庭。目前已知的有两种，都来自巴西。利用三种常用的DNA标记(matK、rbcL和核糖体内转录间隔器)进行的分子序列数据显示，这两种植物都没有被正确地定位在旋花科，但表明尽管存在一些形态异常，但巴西芽孢菊的类型应该被定位在Malpighiaceae。第2种紫菀属应归入紫菀科。鉴于这些结果的惊人性质，建议在对这两个分类群进行正式重新分类之前进行进一步的研究。

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Molecular Analyses Place the Genus Keraunea Outside Convolvulaceae

Abstract. The genus Keraunea was recently described in the Convolvulaceae Juss. family. Two species are currently recognised, both from Brazil. Molecular sequence data using three commonly applied DNA markers (matK, rbcL and the nuclear ribosomal Internal Transcribed Spacer) show that neither species is correctly placed in Convolvulaceae but indicates that the type, K. brasiliensis, should be placed in Malpighiaceae despite several morphological anomalies. The second species, K. capixaba, should be placed in Ehretiaceae. Given the surprising nature of these results, further studies are recommended before formal reclassification of these two taxa is made.

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来源期刊

Harvard Papers in Botany Agricultural and Biological Sciences-Plant Science

CiteScore

1.10

自引率

0.00%

发文量