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Phylogenomics, capsule evolution and taxonomic revision of Portulaca L. (Portulacaceae)
Project summary:
Portulaca is a cosmopolitan genus with high species diversity in South America and Africa. This study integrates a comprehensive taxonomic revision of southern South American and Brazilian species with a genomic phylogenetic framework, aiming to clarify species limits, reconstruct capsule character evolution, and propose a revised infrageneric classification.
First Name:
Highest degree:
Master
Year obtained:
2019
Applicant Status:
Current student
Brazil
Flowering plants
Relevant publications (minimum 1, maximum 4):
FERRAZ, JOSÉ ROBERTO; SILVA, DIEGO FERREIRA; HASSEMER, GUSTAVO; DEBLE, LEONARDO PAZ; BRAGA, JOÃO MARCELO ALVARENGA. Portulaca eggliana (Portulacaceae), a new species from the Brazilian Amazonian savannas. Nordic Journal of Botany, v., p. e05074, 2025. https://doi.org/10.1002/njb.05074
FERRAZ, JOSÉ ROBERTO; ROSSETTO, ELSON FELIPE SANDOLI; HASSEMER, GUSTAVO; DA SILVA RIBEIRO, JOSÉ EDUARDO LAHOZ. Taxonomic notes for Portulaca (Portulacaceae) in South America II: synonymisation of P. diegoi under P. hatschbachii based on macro and microcharacters. Kew Bulletin, v. 79, p. 223-232, 2024. https://doi.org/10.1007/s12225-024-10180-w
FERRAZ, JOSÉ ROBERTO; ROSSETTO, ELSON FELIPE SANDOLI; RIBEIRO, JOSÉ EDUARDO L. S.; HASSEMER, GUSTAVO. Taxonomic notes Portulaca (Portulacaceae) in South America I: the taxonomic status of P. mucronulata var. microphylla. Phytotaxa, v. 560, p. 71-81, 2022. https://doi.org/10.11646/phytotaxa.560.1.5
FERRAZ, JOSÉ ROBERTO; PAULE, JURAJ; BRAGA, JOÃO MARCELO ALVARENGA. Nomenclatural revision of Portulaca names (Portulacaceae) published by Gustav Albert Peter based on specimens collected in Tanzania. Kew Bulletin (in press).
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Previous publications
Budget: $
1297
Instituto de Pesquisas Jardim Botânico do Rio de Janeiro
Affiliation:
Grant Assessment
Last Name:
José
Ferraz