The Genus Plagiochila (Dumort.) Dumort. (Marchantiophyta) in Madagascar

IF 0.5 3区生物学 Q4 PLANT SCIENCES Cryptogamie Bryologie Pub Date : 2022-05-16 DOI:10.5252/cryptogamie-bryologie2022v43a5

S. Gradstein, C. Reeb

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引用次数: 1

Abstract

ABSTRACT Plagiochila (Dumort.) Dumort. is one of the largest liverwort genera of Madagascar. A study of the rich Plagiochila holdings from Madagascar kept in the herbaria of Brussels, Eger and Paris leads to the recognition of 22 species, in six sections. One species, P. vandenberghenii Gradst., sp. nov., is new to science and P. bifaria (Sw.) Lindenb., P. macrostachya Lindenb. (synonym: P. granditexta Steph. syn. nov.) and P. simplex (Sw.) Lindenb., all three from the Neotropics, are recorded for the first time from Africa. Madagascar harbors about half of the African Plagiochilas and three species are endemic, P. fracta Pócs, P. sikorae Steph. and P. vandenberghenii Gradst., sp. nov. The high Plagiochila richness of Madagascar is explained by the large tracts on the island of humid tropical montane forest, being the preferred habitat of the genus. East African and Afro-American taxa prevail and four species, P. bifaria, P. macrostachya, P. simplex and P. stricta Lindenb., have a peri-Afro-American range being absent on the African mainland. A key to the Madagassan species of Plagiochila is provided and each species is described and illustrated, with data on types, synonyms, geographical distribution, habitat and differentiating characters.

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属层压(Dumort)。Dumort。马达加斯加

紫虱属(Dumort.)Dumort。是马达加斯加最大的苔属之一。一项对保存在布鲁塞尔、埃格尔和巴黎的植物本馆的马达加斯加丰富的褥子菌的研究发现了22个物种，分为6个部分。一种，范登堡氏水蛭。对科学和双歧杆菌(Sw.)来说是新的。Lindenb。， P. macrostacya Lindenb;(同义词:P. granditexta Steph。syn11 .)和P. simplex (Sw.)Lindenb。这三种都来自新热带地区，首次在非洲被记录下来。马达加斯加拥有大约一半的非洲板蝗，其中有三种是特有的，P. fracta Pócs, P. sikorae Steph。P. vandenberghii Gradst。马达加斯加岛有大片湿润的热带山地森林，是该属植物的首选栖息地，这可以解释马达加斯加岛上的褥子菌丰富程度。主要分布在东非和美洲非洲的分类群和4种:双歧双歧单孢杆菌、大stachya单孢杆菌、单孢单孢杆菌和Lindenb单孢杆菌。非洲大陆上没有非洲裔美国人。本文提供了马达加斯加种的钥匙，并对每个物种进行了描述和说明，并提供了类型、同义词、地理分布、栖息地和区别特征的数据。

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

Cryptogamie Bryologie 生物-植物科学

CiteScore

2.10

自引率

25.00%

发文量

审稿时长

3 months

期刊介绍： Cryptogamie is a fully electronic journal, with a continuous publication stream, devoted to a wide diversity of cryptogamic topics, mainly in the taxonomic-phylogenetic field. Cryptogamie, Bryologie accepts articles on systematics as well as ecology and evolution of all of bryophytes. Thematic issues may also be published under the responsibility of a guest editor.