重新审视具新属界定的猴耳环分支（豆科，云实亚科）的系统发育和分类。
Revisiting the phylogeny and taxonomy of the Pithecellobium clade (Leguminosae, Caesalpinioideae) with new generic circumscriptions.
作者信息
Tamayo-Cen Iván, Torke Benjamin M, López Contreras José Enrique, Carnevali Fernández-Concha German, Ramírez Morillo Ivón, Can Itza Lilia Lorena, Duno de Stefano Rodrigo
机构信息
Herbarium CICY, Centro de Investigación Científica de Yucatán, A. C. (CICY), Calle 43 No. 130, Colonia Chuburná de Hidalgo, CP 97200, Mérida, Yucatán, Mexico Centro de Investigación Científica de Yucatán Mérida Mexico.
Institute of Systematic Botany, New York Botanical Garden, 2900 Southern Boulevard, Bronx, New York, 10458-5126 USA New York Botanical Garden New York United States of America.
出版信息
PhytoKeys. 2022 Aug 22;205:279-298. doi: 10.3897/phytokeys.205.82728. eCollection 2022.
We present the most complete molecular phylogeny to date of the Pithecellobium clade of subfamily Caesalpinioideae. This neotropical group was informally recognised (as the Pithecellobium alliance) at the end of the 20 century by Barneby and Grimes (1996) and includes five genera and 33 species distributed from the southern United States and Caribbean Islands to north-eastern South America. Our aims were to further test the monophyly of the group and its genera and to identify sister group relationships within and amongst the genera. A phylogenetic analysis of nuclear ribosomal DNA sequences (ITS and ETS) was performed. The results provide further support for the monophyly of the Pithecellobium clade. The genera , and were strongly supported as monophyletic. and were found to be non-monophyletic, prompting their re-circumscriptions and the description of two new genera: and . New combinations are made for the three species transferred to the new genera.
我们展示了迄今为止最为完整的云实亚科猴耳环分支的分子系统发育树。这个新热带类群在20世纪末被巴恩比和格里姆斯（1996年）非正式地认可（作为猴耳环类群），包括五个属和33个物种，分布于美国南部、加勒比群岛至南美洲东北部。我们的目的是进一步检验该类群及其属的单系性，并确定各属内部以及属间的姐妹群关系。我们对核糖体DNA序列（ITS和ETS）进行了系统发育分析。结果为猴耳环分支的单系性提供了进一步支持。 属、 属和 属被有力地支持为单系的。 属和 属被发现不是单系的，这促使对它们进行重新界定，并描述了两个新属： 属和 属。对于转移到新属的三个物种进行了新的组合。
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