New molecular and morphological evidences favor a combination of Blechnum bakeri C.Chr. in Cranfillia Gasper & V.A.O.Dittrich (Blechnaceae, Polypodiopsida), thus extending the distribution of Cranfillia to Madagascar and East Africa

IF 0.7 4区生物学 Q4 PLANT SCIENCES Adansonia Pub Date : 2020-11-30 DOI:10.5252/adansonia2020v42a18

Lucie Bauret, R. Vázquez, S. Molino, M. Gaudeul, F. Rakotondrainibe, André Luís de Gasper, G. Rouhan

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引用次数: 2

Abstract

ABSTRACT In the fern family Blechnaceae, Cranfillia Gasper & V.A.O.Dittrich and Austroblechnum Gasper & V.A.O.Dittrich are two genera recently described from the splitting of Blechnum L. The assignation of species to Cranfillia or Austroblechnum could be difficult due to their morphological similarities. Focusing on Austroblechnum bakeri (C.Chr.) Gasper & V.A.O.Dittrich, and based on new molecular and morphological evidence, we show that Austroblechnum bakeri actually belongs to the genus Cranfillia as Cranfillia bakeri (C.Chr.) Vázquez Ferreira & S. Molino, comb. nov. This new combination extends the distribution of the genus Cranfillia to Madagascar and East Africa. Additionally, we propose that partially adnate basal pairs of pinnae and deflexed first pair of pinnae could represent new diagnostic characters to distinguish Cranfillia from Austroblechnum. Finally, we provide a taxonomic treatment of Cranfillia bakeri with all recognized synonyms, and conduct detailed lectotypification for Blechnum bakeri C.Chr.

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新的分子和形态学证据表明，这一组合有利于面包蓝属植物。在Cranfillia Gasper和V.A.O.Dittrich (bleechnaceae, Polypodiopsida)中发现，从而将Cranfillia的分布范围扩大到马达加斯加和东非

摘要:在蕨类植物蓝蕨科中，cranfilia Gasper & V.A.O.Dittrich和Austroblechnum Gasper & V.A.O.Dittrich是最近从蓝蕨属(Blechnum L.)分裂而来的两个属，由于其形态相似，很难将其归属于cranfilia或Austroblechnum。聚焦于面包师南(Austroblechnum bakeri, C.Chr.)Gasper & V.A.O.Dittrich，并根据新的分子和形态证据，我们表明Austroblechnum bakeri实际上属于cranfilia属，名为cranfilia bakeri (c.c.chr .)。Vázquez Ferreira & S. Molino，梳子。11 .这个新的组合将小红花属的分布扩展到马达加斯加和东非。另外，我们认为部分贴生的基部对和第一对外翻的耳廓可以作为区分小雀属和南雀属的新的诊断特征。最后，对所有已识别的同义种进行了分类处理，并对其进行了详细的lectotypical。

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来源期刊

Adansonia 生物-植物科学

CiteScore

1.30

自引率

12.50%

发文量

审稿时长

>12 weeks

期刊介绍： Adansonia is a fast-track and peer-reviewed journal of plant biology, devoted to the inventory, analysis and interpretation of vascular plants biodiversity. It publishes original results, in French or English, of botanical research, particularly in systematics and related fields: morphology, anatomy, biology, ecology, phylogeny, biogeography, etc. All articles published in Adansonia are compliant with the different nomenclatural codes. A copyright assignment will be signed by the authors before publication.