Results 31 to 40 of about 128 (92)

The genus Piptadenia Benth.: pollen morphology and taxonomic implications [PDF]

Acta Botânica Brasílica
The genus Piptadenia Benth. has undergone several changes in its circumscriptions throughout its history, given the difficulty of its phylogenetic placement.
Ana Flávia Trabuco Duarte, Débora Cavalcante De Oliveira, Pétala Gomes Ribeiro, Luciano Paganucci De Queiroz, Francisco De Assis Ribeiro Dos Santos   +4 more
doaj   +1 more source

Diversidade Palinológica das Convolvulaceae do Parque Nacional do Catimbau, Buíque, PE, Brasil Pollen diversity of Convolvulaceae at Catimbau National Park, Buíque, Pernambuco State, Brazil

Acta Botânica Brasílica, 2008
Foram registradas quatorze espécies de Convolvulaceae no Parque Nacional do Catimbau. Com base na morfologia polínica, os táxons foram subdivididos em dois grupos: Psiloconiae - Evolvulus elegans Moric, E. frankenioides Moric, E.
Maria Teresa Aureliano Buril Vital, Francisco de Assis Ribeiro dos Santos, Marccus Alves   +2 more
doaj   +1 more source

Palynotaxonomy of Brazilian species of Passifloraceae sensu stricto

, 2020
This study aims to expand knowledge of the pollen morphology of Passifloraceae and contribute to the taxonomic delimitation of the group by morphologically characterizing pollen grains of species that occur in the Brazilian state of Bahia.
Marileide Dias Saba (6935228), Teonildes Sacramento Nunes (7856309), Anacleide Pereira do Nascimento (7856315), Rita de Cássia Matos dos Santos Araújo (7856306), Brunelle Ramos Andrade (7856312), Francisco de Assis Ribeiro dos Santos (5761094)   +5 more
core   +1 more source

Palinologia de espécies de Gesneriaceae Rich. & Juss. ocorrentes no Estado do Rio de Janeiro, Brasil Palynology of Gesneriaceae Rich. & Juss. species from Rio de Janeiro State, Brazil

Acta Botânica Brasílica, 2010
Foi realizado um estudo palinológico de 21 espécies da família Gesneriaceae reunidas em seis gêneros e três tribos: tribo Beslerieae -Besleria L. (4 spp.); tribo Episcieae - Codonanthe (Mart.) Hanst. (3 spp.), Nematanthus Schrad.
Ana Carolina da Silva Fourny, Cláudia Barbieri Ferreira Mendonça, Thereza Cristina Costa Lopes, Vania Gonçalves-Esteves   +3 more
doaj   +1 more source

Pollen morphology and exine ultrastructure of Brasiliocroton P.E. Berry & Cordeiro (Euphorbiaceae)

Acta Botânica Brasílica
The present study aimed to morphologically characterize the pollen grains of species of Brasiliocroton mamoninha and B. muricatus in order to expand palynological knowledge of the group and provide additional micromorphological information useful for ...
Lidian Ribeiro de Souza, Francisco de Assis Ribeiro dos Santos, Daniela Santos Carneiro-Torres   +2 more
doaj   +1 more source

Palynotaxonomy of Neotropical species of Paullinia L. (Sapindaceae)

Palynology
Paullinia is the second-largest genus within the Sapindaceae, with approximately 200 species. It predominantly comprises lianas that inhabit humid forests, mainly the Amazon and Atlantic forests in Brazil. This study aimed to characterize the pollen morphology of 60 species of Paullinia, examining the potential of pollen characters as morphological ...
Elysiane de Barros Marinho, Genise Vieira Somner, Cláudia Barbieri Ferreira Mendonça, Vania Gonçalves-Esteves   +3 more
openaire   +1 more source

ESTUDIO POLÍNICO DE ALBERTINIA BRASILIENSIS SPRENG., DE LAS ESPECIES DE COLOLOBUS H. ROB., CYRTOCYMURAH. ROB. YDASYANTHINA SERRATA(LESS.) H. ROB. (VERNONIINAE-COMPOSITAE) QUE OCURREN EN EL SUDESTE DE BRASIL [PDF]

, 2007
Palynotaxonomy of Albertinia brasiliensis,Dasyanthina serrata, and species ofCololobus and Cyrtocymura (VernoniinaeCompositae) of southeast Brazil. A pollenstudy of seven species belonging to fourgenera, Albertinia brasiliensis, Cololobus,Cyrtocymura and
Mendonça, C. B.F., Gonçalves-Esteves, V., Esteve, R. L.   +2 more
core   +1 more source

Palynotaxonomy of Brazilian Viguiera (Asteraceae)

Boletín de la Sociedad Argentina de Botánica
With the aim of improving inter-specific delimitation of the genus Viguiera Kunth in Brazil, a palynological analysis was undertaken with 27 taxa, representing around 77% of all occurring species.
Mara Angelina Galvão Magenta, Alessandra De Deus Nunes, Cláudia Barbieri Ferreira Mendonça, Vânia Gonçalves Esteves   +3 more
doaj   +1 more source

Fire drives major Holocene vegetation shifts between subtropical and Mediterranean‐type ecosystems: a case study from a biodiversity hotspot in South Africa

Ecography, Volume 2024, Issue 12, December 2024.
Fire plays a pivotal role in driving ecological shifts between Mediterranean‐type vegetation and subtropical ecosystems in South Africa. This study investigates long‐term environmental dynamics and ecological regime changes at the Mediterranean‐type vegetation /subtropical boundary using a 6000‐year palaeoecological sequence from the Baviaanskloof – a ...
Lynne J. Quick, Brian M. Chase, Manuel Chevalier, B. Adriaan Grobler, Saúl Manzano   +4 more
wiley   +1 more source

The Online Pollen Catalogs Network (RCPol)

, 2018
Aiming at promoting interaction among researchers and the integration of data from their pollen collections, herbaria and bee collections, RCPol was created in 2013.
Veiga, Allan, Allan Veiga, Veiga,Allan, Saraiva,Antonio, Da Silva, Cl\ue1udia, Saraiva, Antonio, da Silva,Cláudia, Antonio Saraiva, Cláudia da Silva, da Silva, Cláudia   +9 more
core   +1 more source