Palynological characterisation of the Androcallis, Microcallis, and Monticola sections of the genus Calliandra Benth. (Leguminosae - Mimosoid Clade) present in north-eastern Brazil

Paula, Antônio de Pádua de Oliveira; Santos, Genialdo Ramos dos; Sousa, Gardene Maria de; Leite, Ana Virgínia; Queiroz, Luciano Paganucci de; Carvalho, Reginaldo de

doi:10.1080/00173134.2020.1734652

Cited by 3 publications

(3 citation statements)

References 7 publications

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“…Androcallis + Microcallis (Souza et al 2013). The monophyly of this clade is also confirmed by their pollen morphology; species from this group lack an apical appendage in pollen grains found in Calliandra section Monticola (Santos and Romao 2008, de Paula et al 2020). While only the polyad size distinguished Calliandra sect.…”

Section: Discussionmentioning

confidence: 57%

“…While only the polyad size distinguished Calliandra sect. Androcallis from Microcallis , the smallest polyad size are present in the Microcallis (de Paula et al 2020). The phylogeny of combined nuclear and plastid markers also recovered the five clades identified using ITS , further reinforcing the robustness of our results (Fig.…”

Section: Discussionmentioning

confidence: 99%

“…Notably, species within Clade 3 predominantly inhabit southern South America, including regions of Peru, Bolivia, Chile, Paraguay, and several are confined to specific geographic areas in Brazil. Polyploidy has been detected in several species of Androcallis , particularly in species of Clade 3 (de Paula et al 2020).…”

Section: Discussionmentioning

confidence: 99%

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Reconstructing the Phylogeny ofCalliandrasect.Androcallis(Fabaceae): Insights from the Inclusion of Colombian Species, with a Focus on the Enigmatic TaxonCalliandra medellinensis

Arias,

Saldarriaga,

Arenas-Castro

et al. 2023

Preprint

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Phylogenetic relationships for the genusCalliandrasectionAndrocallis(Fabaceae) were reconstructed, including previously sequenced species from Central and South America and unexamined species from Colombia, one ofCalliandramain diversity centers. Here, we generated novel DNA sequences ofCalliandraspecies from Colombia for the nuclear Internal Transcribed Spacer (ITS)and the chloroplasttrnLandtrnL-Fintergenic spacer. By incorporating a broader taxonomic sampling, the relationships among main clades inAndrocalliswere clarified, providing a systematics framework in which to test evolutionary hypotheses. Phylogenetic analysis recovered five well-supported clades withinAndrocallis. Most species within each clade had similar geographical distributions and relationships between the five major clades are strongly supported for the first time. However, coreAndrocallisrelationships, including most species from Colombia sequenced here, remain unclear. A second goal of this study was to determine the taxonomic status ofCalliandra medellinensis. This enigmatic taxon emblematic of Medellín, Colombia, is found in limited numbers within the Aburrá Valley and has been proposed to be a hybrid taxon. Here,C. medellinensis,C. magdalenaeandC. haematocephalawere not monophyletic within the coreAndrocallisclade. This suggests thatC. medellinensiscould potentially be an interspecific hybrid betweenC. magdalenaeandC. haematocephala, thus challenging the taxonomic status of this species; however, more informative molecular markers should be used in future studies. Specifically, genomic studies should assess interspecific hybridization demographic models. Such insights can illuminate theC. medellinensisorigin, guiding conservation strategies and providing valuable evolutionary overviews.

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Section: Discussionmentioning

confidence: 57%

Section: Discussionmentioning

confidence: 99%

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Reconstructing the Phylogeny ofCalliandrasect.Androcallis(Fabaceae): Insights from the Inclusion of Colombian Species, with a Focus on the Enigmatic TaxonCalliandra medellinensis

Arias,

Saldarriaga,

Arenas-Castro

et al. 2023

Preprint

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Reconstructing the Phylogeny of Calliandra sect. Androcallis (Fabaceae): Inclusion of Colombian Species, with a Focus on the Enigmatic Taxon Calliandra medellinensis

Arias,

Saldarriaga,

Arenas-Castro

et al. 2024

Systematic Botany

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Abstract— Until now, phylogenetic relationships for the genus Calliandra section Androcallis (Fabaceae) were unresolved. We reconstructed the phylogeny of the section, including previously sequenced species from Central and South America and unexamined species from Colombia. Here, we generated 80 novel DNA sequences of Calliandra species from Colombia for the nuclear internal transcribed spacer (ITS) and the chloroplast trnL and trnL-F intergenic spacer. By incorporating a broader taxonomic sampling, the relationships among main clades in C. sect. Androcallis were clarified, providing a systematics framework in which to test evolutionary hypotheses. Phylogenetic analysis recovered four well-supported clades within C. sect. Androcallis. Relationships among the four to five major clades, contingent upon the inclusion of C. sect. microcallis, are strongly supported for the first time. Most species within each clade had similar geographical distributions. However, core C. sect. Androcallis relationships, including most species from Colombia sequenced here, remain unclear. A second goal of this study was to determine the taxonomic status of Calliandra medellinensis. This enigmatic taxon emblematic of Medellín, Colombia, is found in limited numbers within the Aburrá Valley and no populations have been found in the field. For that reason, it has been proposed to be a hybrid taxon. Here, C. magdalenae and C. haematocephala were not monophyletic within the core C. sect. Androcallis clade, while results concerning the monophyly of C. medellinensis are not conclusive. More informative molecular markers should be used in future studies to the determine the status of species for these taxa. Specifically, genomic studies should assess interspecific hybridization demographic models. Such insights can illuminate the C. medellinensis origin, guiding conservation strategies and providing valuable evolutionary overviews.

show abstract

Reconstructing the Phylogeny of Calliandra sect. Androcallis (Fabaceae): Insights from the Inclusion of Colombian Species, with a Focus on the Enigmatic Taxon Calliandra medellinensis

Arias,

Saldarriaga,

Arenas-Castro

et al. 2023

Preprint

View full text Add to dashboard Cite

Phylogenetic relationships for the genus Calliandra section Androcallis (Fabaceae) were reconstructed, including previously sequenced species from Central and South America and unexamined species from Colombia, one of Calliandra main diversity centers. Here, we generated novel DNA sequences of Calliandra species from Colombia for the nuclear Internal Transcribed Spacer (ITS) and the chloroplast trnL and trnL-F intergenic spacer. By incorporating a broader taxonomic sampling, the relationships among main clades in Androcallis were clarified, providing a systematics framework in which to test evolutionary hypotheses. Phylogenetic analysis recovered five well-supported clades within Androcallis. Most species within each clade had similar geographical distributions and relationships between the five major clades are strongly supported for the first time. However, core Androcallis relationships, including most species from Colombia sequenced here, remain unclear. A second goal of this study was to determine the taxonomic status of Calliandra medellinensis. This enigmatic taxon emblematic of Medellín, Colombia, is found in limited numbers within the Aburrá Valley and has been proposed to be a hybrid taxon. Here, C. medellinensis, C. magdalenae and C. haematocephala were not monophyletic within the core Androcallis clade. This suggests that C. medellinensis could potentially be an interspecific hybrid between C. magdalenae and C. haematocephala, thus challenging the taxonomic status of this species; however, more informative molecular markers should be used in future studies. Specifically, genomic studies should assess interspecific hybridization demographic models. Such insights can illuminate the C. medellinensis origin, guiding conservation strategies and providing valuable evolutionary overviews.

show abstract

Palynological characterisation of the Androcallis, Microcallis, and Monticola sections of the genus Calliandra Benth. (Leguminosae - Mimosoid Clade) present in north-eastern Brazil

Cited by 3 publications

References 7 publications

Reconstructing the Phylogeny ofCalliandrasect.Androcallis(Fabaceae): Insights from the Inclusion of Colombian Species, with a Focus on the Enigmatic TaxonCalliandra medellinensis

Reconstructing the Phylogeny ofCalliandrasect.Androcallis(Fabaceae): Insights from the Inclusion of Colombian Species, with a Focus on the Enigmatic TaxonCalliandra medellinensis

Reconstructing the Phylogeny of Calliandra sect. Androcallis (Fabaceae): Inclusion of Colombian Species, with a Focus on the Enigmatic Taxon Calliandra medellinensis

Reconstructing the Phylogeny of Calliandra sect. Androcallis (Fabaceae): Insights from the Inclusion of Colombian Species, with a Focus on the Enigmatic Taxon Calliandra medellinensis

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