Diversification of Biscutella ser. Biscutella (Brassicaceae) followed post-Miocene geologic and climatic changes in the Mediterranean basin

Alonso, María Ángeles; Vicente, Alicia; Crespo, Manuel B.

doi:10.1016/j.ympev.2019.106644

Cited by 7 publications

(17 citation statements)

References 81 publications

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“…As recently shown by Vicente et al (2016aVicente et al ( , 2017Vicente et al ( , 2019a and Alonso et al (2020), a new arrangement for the entire series (including a more satisfactory delimitation of taxa) is achieved which is more consistent with the observed morphological and molecular variation (see Alonso et al, 2020). The new taxonomic arrangement accepts seven monophyletic groups including 10 taxa (seven species plus three varieties) that are easily defined by a syndrome of morphological characters.…”

Section: Discussionsupporting

confidence: 76%

“…pseudolyrata clade" with strong support (Clade F; 99% BS, 1.00 PP), a group in which internal relationships are not fully resolved, albeit B. pseudolyrata forms a strongly supported group (Subclade F1; 99% BS, 1.00 PP) along with most samples of B. eriocarpa s.l. For additional information and more detailed data see Alonso et al (2020).…”

Section: Phylogenetic Resultsmentioning

confidence: 99%

“…A comprehensive phylogeny of Biscutella ser. Biscutella was constructed showing the relationships of the accepted taxa in the series (see Alonso et al, 2020). The data matrix included 45 samples of Biscutella with Lepidium draba L. ([ Cardaria draba (L.) Desv.)…”

Section: Phylogenetic Studiesmentioning

confidence: 99%

“…Furthermore, a Bayesian inference (BI) analysis Sepal length (mm) was conducted with MrBayes 3.2 (Ronquist et al, 2012). For details on material used, analyses performed, and GenBank accession numbers, see Alonso et al (2020).…”

Section: Phylogenetic Studiesmentioning

confidence: 99%

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Born in the Mediterranean: Comprehensive Taxonomic Revision of Biscutella ser. Biscutella (Brassicaceae) Based on Morphological and Phylogenetic Data

Vicente

Alonso

Crespo

2020

annals

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Biscutella L. ser. Biscutella (= Biscutella ser. Lyratae Malin.) comprises mostly annual or short-lived perennial plants occurring in the Mediterranean basin and the Middle East, which exhibit some diagnostic floral features. Taxa in the series have considerable morphological plasticity, which is not well correlated with clear geographic or ecologic patterns. Traditional taxonomic accounts have focused on a number of vegetative and floral characters that have proved to be highly variable, a fact that contributed to taxonomic inflation mostly in northern Africa. A detailed study and re-evaluation of morphological characters, together with recent phylogenetic data based on concatenation of two plastid and one nuclear region sequence data, yielded the basis for a taxonomic reappraisal of the series. In this respect, a new comprehensive integrative taxonomic arrangement for Biscutella ser. Biscutella is presented in which 10 taxa are accepted, namely seven species and three additional varieties. The name B. eriocarpa DC. is reinterpreted and suggested to include the highest morphological variation found in northern Morocco. Its treatment here accepts two varieties, one of which is described as new (B. eriocarpa var. riphaea A. Vicente, M. Á. Alonso & M. B. Crespo). In addition, the circumscriptions of several species, such as B. boetica Boiss. & Reut., B. didyma L., B. lyrata L., and B. maritima Ten., are revisited. Nomenclatural types, synonymy, brief descriptions, cytogenetic data, conservation status, distribution maps, and identification keys are included for the accepted taxa, with seven lectotypes and one epitype being designated here.

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Section: Discussionsupporting

confidence: 76%

Section: Phylogenetic Resultsmentioning

confidence: 99%

Section: Phylogenetic Studiesmentioning

confidence: 99%

Section: Phylogenetic Studiesmentioning

confidence: 99%

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Born in the Mediterranean: Comprehensive Taxonomic Revision of Biscutella ser. Biscutella (Brassicaceae) Based on Morphological and Phylogenetic Data

Vicente

Alonso

Crespo

2020

annals

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“…Therefore, similar to many Mediterranean plant lineages (Tremetsberger et al, 2016;Benítez-Benítez et al, 2018;Alonso et al, 2020) habitats (Sağlam et. al.…”

Section: Discussionmentioning

confidence: 77%

Ecological specialization promotes diversity and diversification in the East Mediterranean genusRicotia(Brassicaceae)

Özüdoğru

Karacaoğlu

Akaydın

et al. 2020

Preprint

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Despite its amazing biodiversity, the Eastern Mediterranean remains a highly understudied region especially when compared to the Western Mediterranean. Scarcity of such studies restrict our understanding of the processes shaping diversity across the entire Mediterranean. To this end we used a combination of molecular markers and presence/absence data from all species of the Eastern Mediterrranean genus Ricotia collected across its full geographic range to determine historical, ecological and evolutionary factors responsible for lineage-specific diversification in this genus. Network analysis based on nuclear ribosomal and chloroplast DNA revealed high genetic structure within all lineages and phylogenetic reconstructions based on the multispecies coalescent showed that within lineage diversification corresponded to the onset of the Mediterranean climate. Reconstruction of ancestral histories indicate the genus originated within Anatolia and slowly spread across the Eastern Mediterranean and Levant using the Taurus mountains. Ecological niche models based on climatic and environmental variables suggest local populations did not go through any major distributional shifts and have persisted in present day habitats since the LGM. Furthermore, niche differentiation tests revealed significant niche differences between closely related species and showed the main variables predicting species limits to be different for each species. Our results give crucial information on the patterns and processes shaping diversity in the Eastern Mediterranean and show the main factor promoting diversification to be local environmental dynamics and ecological specialization and not large scale latitudinal movements as often reported for southern Europe. By determining regional and global patterns of diversification in an eastern Mediterranean genus we further our understanding of the major trends influencing plant diversity in the Mediterranean basin as a whole.

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Morphological and molecular data support recognition of Spergularia quartzicola (Caryophyllaceae) as a new species endemic to South Africa

Alonso

Crespo

Martínez‐Azorín

et al. 2021

Plant Biosystems - An International Journal Dealing with all As

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Diversification of Biscutella ser. Biscutella (Brassicaceae) followed post-Miocene geologic and climatic changes in the Mediterranean basin

Abstract: Diversification of Biscutella ser. Biscutella (Brassicaceae) followed post-Miocene geologic and climatic changes in the Mediterranean basin,

Cited by 7 publications

References 81 publications

Born in the Mediterranean: Comprehensive Taxonomic Revision of Biscutella ser. Biscutella (Brassicaceae) Based on Morphological and Phylogenetic Data

Born in the Mediterranean: Comprehensive Taxonomic Revision of Biscutella ser. Biscutella (Brassicaceae) Based on Morphological and Phylogenetic Data

Ecological specialization promotes diversity and diversification in the East Mediterranean genusRicotia(Brassicaceae)

Morphological and molecular data support recognition of Spergularia quartzicola (Caryophyllaceae) as a new species endemic to South Africa

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