Taxonomic Novelties from the Espinhaço Septentrional: Two New Species of Pleroma and the First Records of Melastomataceae from the Morro das Marombas, Minas Gerais, Brazil

IF 0.9 3区生物学 Q4 EVOLUTIONARY BIOLOGY

Systematic Botany Pub Date : 2023-03-30 DOI:10.1600/036364423x16758873924090

D. Silva, Mirian C.A. Antonicelli, Paulo José Fernandes Guimaraes

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引用次数: 0

Abstract

Abstract— During a botanical expedition carried out by the Centro Nacional de Conservação da Flora to northern Minas Gerais, Brazil, the first records of Melastomataceae were catalogued for the Morro das Marombas, in the Serra de Montevidéu, situated on the Espinhaço Septentrional. These first records and an identification key for the melastomes from Morro das Marombas are presented. Among these records, the first collection of Marcetia viscida is documented in Minas Gerais, and two new microendemic species of Pleroma were found and are described and illustrated here. Pleroma congestifolium resembles three congeners from the Cerrado of Minas Gerais (P. ferricolum, P. martinellii, and P. trinervium) to which it is compared, and their morphological relationships and differences are discussed. Pleroma martinellii is a remarkable new species, and it can be morphologically approximated to two species (P. congestifolium and P. velutinum) from the Cerrado of Minas Gerais and Bahia. Preliminarily, we suggest the Deficient Data category as the conservation status for both species.

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巴西米纳斯吉拉斯Morro das Marombas地区黑藻科两新种及其分类新记录

摘要:在巴西国家植物保护中心(Centro Nacional de conserva o da Flora)对巴西米纳斯吉拉斯州北部进行的一次植物学考察中，在espinhao Septentrional的Serra de montevidsamu的Morro das Marombas地区对Melastomataceae的第一批记录进行了分类。这些最早的记录和鉴定钥匙来自Morro das Marombas。在这些记录中,第一组Marcetia viscida记录在米纳斯吉拉斯,和两个新的佩雷若玛microendemic物种被发现,并在这里进行描述和演示。本文比较了米纳斯吉拉斯塞拉多的三种同系物(P. ferricolum, P. martinellii和P. trinervium)，并讨论了它们的形态关系和差异。马氏柏属(Pleroma martinellii)是一个引人注目的新种，在形态上与米纳吉拉斯州和巴伊亚州塞拉多的两个种(P. conestifolium和P. velutinum)相似。我们初步建议这两个物种的保护状态为数据不足。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Systematic Botany 生物-进化生物学

CiteScore

1.80

自引率

10.00%

发文量

审稿时长

6-12 weeks

期刊介绍： Systematic Botany Monographs is a series of peer-reviewed taxonomic monographs and revisions published the American Society of Plant Taxonomists. ISSN 0737-8211, ISBN prefix 978-0-912861. No; volumes of Systematic Botany Monographs must be ordered separately. ASPT membership inludes only a subscription to the quarterly journal Systematic Botany. SBM is supported by sales, author"s subsidies, and donations.