Pollen morphology, ultrasculpture and ultrastructure of Poiretia Vent. (Leguminosae–Papilionoideae–Dalbergieae–Adesmia informal clade)

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorInstituto de Botânica-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.creatorAntonio-Domingues, Higor-
Autor(es): dc.creatorPerez, Ana Paula Fortuna-
Autor(es): dc.creatorRossi, Mônica Lanzoni-
Autor(es): dc.creatorMartinelli, Adriana Pinheiro-
Autor(es): dc.creatorda Luz, Cynthia Fernandes Pinto-
Data de aceite: dc.date.accessioned2025-08-21T17:47:42Z-
Data de disponibilização: dc.date.available2025-08-21T17:47:42Z-
Data de envio: dc.date.issued2022-04-29-
Data de envio: dc.date.issued2022-04-29-
Data de envio: dc.date.issued2021-12-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1080/00173134.2021.1984574-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/230224-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/230224-
Descrição: dc.descriptionPollen morphology, ultrasculpture and ultrastructure were investigated for Poiretia in search of morphological characters of taxonomic importance using light microscopy as well as scanning and transmission electron microscopy. Additionally, principal components analysis was done to elucidate patterns of variation among the species. Pollen grains are small to medium size, isopolar, prolate spheroidal to prolate, 3-zonocolporate, colporus with operculum, membrane and margo are ornamented. Five pollen types are recognised and described based on mesocolpium exine ultrasculpture. Exine consists of a compact tectum, eutectate, tectate perforate to semitectate, the infratectum is collumelar and granular, foot layer discontinuous to absent in aperture region and endexine is continuous. A comprehensive description of the operculum, membrane ornamentations and the ultrastructure of exine were given for all species in the genus, nine of which were not previously analysed palynologically. Systematic implications of the palynological variations found in the literature and through light, scanning and transmission electron microscopical analyses were discussed. This article describes the importance of the characterisation of Poiretia pollen grains, which contributes to the systematics of the Adesmia informal clade. The class of endoaperture, ultrasculpture of mesocolpium and apocolpium, and ultrastructure of tectum, foot layer, and endexine support the eurypalynous status of Poiretia and are useful to recognise some species that have problematic delimitation (P. latifolia, P. coriifolia, P. unifoliolata, P. mattogrossensis, P. elegans, P. marginata) as well as groups of species.-
Descrição: dc.descriptionPrograma de Pós-graduação em Biodiversidade Vegetal e Meio Ambiente Instituto de Botânica-
Descrição: dc.descriptionNúcleo de Pesquisa em Palinologia Instituto de Botânica-
Descrição: dc.descriptionPrograma de Pós-graduação em Ciências Biológicas (Botânica) IBB Universidade Estadual Paulista-
Descrição: dc.descriptionLaboratório De Biotecnologia Vegetal Centro De Energia Nuclear Na Agricultura Universidade De São Paulo-
Descrição: dc.descriptionPrograma de Pós-graduação em Ciências Biológicas (Botânica) IBB Universidade Estadual Paulista-
Formato: dc.format8-26-
Idioma: dc.languageen-
Relação: dc.relationGrana-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectDalbergioid-
Palavras-chave: dc.subjectFabaceae-
Palavras-chave: dc.subjectpalynology-
Palavras-chave: dc.subjectpalynotaxonomy-
Palavras-chave: dc.subjectplant systematics-
Título: dc.titlePollen morphology, ultrasculpture and ultrastructure of Poiretia Vent. (Leguminosae–Papilionoideae–Dalbergieae–Adesmia informal clade)-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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