Results 21 to 30 of about 111 (79)
Novel insights from the Bonenburg section & palynotaxonomy and nomenclature of plant microfossils [PDF]
, 2021 The overarching aim of this thesis was to integrate the Bonenburg section and its extremely well- preserved palynoflora within the existing framework of end-Triassic records, and describe and compare its paleoenvironmental changes and vegetation history ...
Gravendyck, Julia
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Pollen morphology of Acalypha L. (Euphorbiaceae) with emphasis on Brazilian species from Bahia
Acta Botânica Brasílica, 2022 We investigated the pollen morphology of eight species of Acalypha occurring in Bahia State, Brazil. Flower buds were collected from specimens deposited in the CEPEC and HUEFS herbaria.
Airã de Lima Bomfim +2 more
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Pollen morphology of Carapa species (Meliaceae) from the Brazilian Amazon [PDF]
Acta Amazonica, 2016 The crabwood (Carapa) represents an important source of natural resources. The objective of this work was to study the pollen morphology of the three species of Carapa (Meliaceae) registered in the Brazilian Amazon.
Alexsandro ZIDKO +6 more
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Palynotaxonomy of Wissadula Medik. (Malvaceae: Malvoideae) in Brazil
, 2023 Abstract Malvaceae is divided into nine subfamilies, one of which is Malvoideae. WissadulaMedik., a genus within the Malvoideae, is divided into two sections according to mericarp morphology and the number of ovules per locule. Species belonging to the section Euwissadula have 3 or rarely 2 ovules, whereas species belonging to the section ...
Gabriela Conde de Mello Alves +3 more
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Palynotaxonomy of Brazilian species ofPolygalasubgenusHebeclada [PDF]
Botanical Journal of the Linnean Society, 2008 This study used pollen morphology to address taxonomic controversies related to several species belonging to subgenus Hebeclada of the genus Polygala (Polygalaceae). According to the last traditionally accepted revision of this subgenus, it comprises 40 species.
ANA CRISTINA ANDRADE DE AGUIAR +3 more
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Palynology, 2023 The exine ultrastructure of eighteen species of Anisopappus (Anisopappinae, Athroismeae, Asteraceae) and three species of Duhaldea (Inuleae, Asteraceae) was studied using Transmission Electron Microscopy (TEM). Two ultrastructural patterns were identified: Senecioid and Helianthoid. The Senecioid pattern is characteristic of the species included in the
António Pereira Coutinho +4 more
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Pollen morphology of the Polish species of the genus Sorbus L.
Acta Societatis Botanicorum Poloniae, 2011 This paper presents the results of the study on pollen morphology of five Polish species of the genus Sorbus L. (S. aria (L.) Crantz, S. aucuparia L. Emend. Hedl., S. chamaemespilus (L.) Crantz, S. intermedia (Ehrh.) Pers. and S. torminalis (L.) Crantz).
Leszek Bednorz +3 more
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Acta Botânica Brasílica, 2005 É apresentado o estudo dos grãos de pólen das espécies Neoregelia laevis (Mez) L.B. Sm., Nidularium angustibracteatum Leme, N. billbergioides (Schult. f.) L.B. Sm., N. burchellii (Baker) Mez, N. meeanum Leme, Wand. & Mollo, N. procerum Lindm.
Bianca Alsina Moreira +2 more
doaj +1 more source
Pollen morphology of selected species of Passiflora L. (Passifloraceae) from the Atlantic Forest
Acta Botânica Brasílica, 2015 Pollen grains from twelve species of the Passifloraceae family from the Brazilian Atlantic Forest were analyzed: Passiflora subg. Astrophea (1sp.), P.subg. Decaloba (1sp.) and P.subg. Passiflora (10spp.).
Ana Carolina Mezzonato-Pires +2 more
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Pollen types of Sapindaceae from Brazilian forest fragments: apertural variation [PDF]
Acta Botânica BrasílicaMorphological variations in angiosperm pollen grains may aid in the differentiation of families, genera and species. Sapindaceae pollen morphology holds promise for the recognition of taxa of this cosmopolitan family, which is well distributed in ...
Talita Kely Bellonzi +4 more
doaj +2 more sources