Vanessa Holanda Righetti de Abreu
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View article: Melissopalynological and chemical analyses of propolis from Scaptotrigona nigrohirta Nogueira & Santos-Silva, 2022 (Apidae - Meliponini) in the lower Amazonas River region
Melissopalynological and chemical analyses of propolis from Scaptotrigona nigrohirta Nogueira & Santos-Silva, 2022 (Apidae - Meliponini) in the lower Amazonas River region Open
The chemical composition of propolis is highly variable and complex and is related to the phytogeography of a region. Therefore, the ecology of the local flora is directly related to its chemical composition. The aim of this study was to i…
View article: Dia a dia botânico
Dia a dia botânico Open
The development and use of teaching materials to meet the educational demands of new generations is becoming increasing complex. This is due to the fact that the development and use of these materials requires time, adequate training for p…
View article: Palinotaxonomia de espécies de Dipteryx Schreb. (Fabaceae – Papilionoideae) ocorrentes no Brasil
Palinotaxonomia de espécies de Dipteryx Schreb. (Fabaceae – Papilionoideae) ocorrentes no Brasil Open
O gênero Dipteryx Schreb. (Papilionoideae) conhecido principalmente como cumaru, compreende espécies de árvores economicamente importantes que têm chamado a atenção de vários países. O objetivo deste estudo foi avaliar a morfologia polínic…
View article: A review of pollen types foraged by <i>Melipona</i> in the Brazilian Amazon
A review of pollen types foraged by <i>Melipona</i> in the Brazilian Amazon Open
Bees of the genus Melipona found in the Amazon are investigated given their ecological, sociocultural and economic importance. The objective of this work was to analyze the scientific literature to recognize patterns in the richness…
View article: Brazilian Flora 2020: Leveraging the power of a collaborative scientific network
Brazilian Flora 2020: Leveraging the power of a collaborative scientific network Open
The shortage of reliable primary taxonomic data limits the description of biological taxa and the understanding of biodiversity patterns and processes, complicating biogeographical, ecological, and evolutionary studies. This deficit create…
View article: Morfologia polínica e visitantes florais de duas espécies simpátricas de Malpighiaceae Juss. no Parque da Cidade em Santarém, Pará
Morfologia polínica e visitantes florais de duas espécies simpátricas de Malpighiaceae Juss. no Parque da Cidade em Santarém, Pará Open
Objetivou-se identificar e analisar a morfologia polínica das espécies simpátricas de Malpighiaceae que ocorrem no Parque da Cidade em Santarém, bem como identificar os visitantes florais dessas espécies. As visitas florais foram registrad…
View article: Caracterização dendrológica e diafanização foliar de espécies da família lecythidaceae com interesse madeireiro
Caracterização dendrológica e diafanização foliar de espécies da família lecythidaceae com interesse madeireiro Open
A família Lecythidaceae é uma das mais populosas nas florestas tropicais, tendo maior concentração na Floresta Amazônica principalmente pela capacidade adaptativa de suas flores. Tem alta importância econômica na região amazônica, apresent…
View article: Pollen sources used by Frieseomelitta Ihering 1912 (Hymenoptera: Apidae: Meliponini) bees along the course of the Rio Negro, Amazonas, Brazil
Pollen sources used by Frieseomelitta Ihering 1912 (Hymenoptera: Apidae: Meliponini) bees along the course of the Rio Negro, Amazonas, Brazil Open
Insect pollination has influenced the evolution and diversification of angiosperms. Consequently, knowing plants used as food sources by bees, the most important pollinator group, is the first step toward understanding how their ecological…
View article: Catalogando a palinoteca da Universidade Federal do Oeste do Pará como fonte de dados para estudos em palinologia
Catalogando a palinoteca da Universidade Federal do Oeste do Pará como fonte de dados para estudos em palinologia Open
Descrevemos a catalogação das lâminas palinológicas da palinoteca da Universidade Federal do Oeste do Pará. Atualmente, a palinoteca conta com 863 lâminas em seu acervo. Os trabalhos em palinologia aumentaram na universidade desde 2010, po…
View article: Resources Collected by two Melipona Illiger, 1806 (Apidae: Meliponini) Species Based on Pollen Spectrum of Honeys from the Amazon Basin
Resources Collected by two Melipona Illiger, 1806 (Apidae: Meliponini) Species Based on Pollen Spectrum of Honeys from the Amazon Basin Open
This study aimed to identify the pollen grains found in honeys of Melipona (Michmelia) seminigra pernigra Moure & Kerr and Melipona (Melikerria) interrupta Latreille in two communities of the Tapajós-Arapiuns Extractive Reserve, Lower Amaz…
View article: Pollen sources used by Frieseomelitta Ihering 1912 (Hymenoptera: Apidae: Meliponini) bees along the course of the Rio Negro, Amazonas, Brazil
Pollen sources used by Frieseomelitta Ihering 1912 (Hymenoptera: Apidae: Meliponini) bees along the course of the Rio Negro, Amazonas, Brazil Open
Insect pollination has influenced the evolution and diversification of angiosperms. Consequently, knowing plants used as food sources by bees, the most important pollinator group, is the first step toward understanding how their ecological…
View article: Palynology of Grewioideae species (Malvaceae sensu lato) occurring in the state of Rio de Janeiro, Brazil
Palynology of Grewioideae species (Malvaceae sensu lato) occurring in the state of Rio de Janeiro, Brazil Open
The objective of this study was to characterize the pollen morphology of the Grewioideae species occurring in the state of Rio de Janeiro. Pollen grains of 12 species were examined: tribe Apeibeae (Apeiba tibourbou, Corchorus hirsutus, Tri…
View article: Palinologia de espécies de Grewioideae (Malvaceae sensu lato) ocorrentes no estado do Rio de Janeiro, Brasil
Palinologia de espécies de Grewioideae (Malvaceae sensu lato) ocorrentes no estado do Rio de Janeiro, Brasil Open
Resumo O objetivo desse estudo foi caracterizar a morfologia polínica das espécies de Grewioideae ocorrentes no estado do Rio de Janeiro. Grãos de pólen de 12 espécies foram examinados: tribo Apeibeae (Apeiba tibourbou, Corchorus hirsutus,…
View article: Brazilian Flora 2020: Innovation and collaboration to meet Target 1 of the Global Strategy for Plant Conservation (GSPC)
Brazilian Flora 2020: Innovation and collaboration to meet Target 1 of the Global Strategy for Plant Conservation (GSPC) Open
The Global Strategy for Plant Conservation (GSPC) was established by the Conference of Parties in 2002 to decrease the loss of plant diversity, reduce poverty and contribute to sustainable development. To achieve this overarching goal, the…
View article: PLANTAS MEDICINAIS: UM SABER TRADICIONAL COMO ALTERNATIVA NO PROCESSO DE CURA
PLANTAS MEDICINAIS: UM SABER TRADICIONAL COMO ALTERNATIVA NO PROCESSO DE CURA Open
A Amazônia conta com uma extensa diversidade cultural, que abrange o uso empírico dos recursos naturais, incluindo as plantas que são utilizadas não só como fonte de alimento, mas também como fonte curativa de enfermidade. O presente traba…
View article: Melissopalynology in Brazil: a map of pollen types and published productions between 2005 and 2017
Melissopalynology in Brazil: a map of pollen types and published productions between 2005 and 2017 Open
We analysed scientific production related to melissopalynology in Brazil and surveyed the pollen types described in publications, producing a melissopalynological database. We inventoried articles published between 2005 and 2017 indexed in…
View article: A new species of the Cerrado in Brazil
A new species of the Cerrado in Brazil Open
A new species of Praxelis (Eupatorieae—Asteraceae) of Cerrado in Brazil, P. macrocarpa, is described and illustrated. It is very similar to P. capillaris but differs in involucral bracts number, involucre size, concrescence of involucral b…