Results 61 to 70 of about 440 (155)

Taxonomic novelties and nomenclatural notes on Coccoloba sect. Coccoloba (Polygonaceae) from Mexico and Central America

Webbia
Coccoloba is one of the richest tropical tree genera of Polygonaceae. Since the last taxonomic treatment of the genus in 1959, new species and new nomenclatural arrangements have been published in the last decade. In this work, Coccoloba ruizii and Coccoloba queretaroensis are described and illustrated as two new endemic species from Mexico.
Patricia Hernández-Ledesma, Juan Javier Ortiz-Díaz, Juan José Ancona   +2 more
openaire   +1 more source

Pest categorisation of Ceroplastes rubens

EFSA Journal, Volume 22, Issue 7, July 2024.
Abstract The European Commission requested the EFSA Panel on Plant Health to conduct a pest categorisation of Ceroplastes rubens Maskell (Hemiptera: Coccidae), following the commodity risk assessments of Acer palmatum plants grafted on A. davidii and Pinus parviflora bonsai plants grafted on P. thunbergii from China, in which C.
EFSA Panel on Plant Health (PLH), Claude Bragard, Paula Baptista, Elisavet Chatzivassiliou, Francesco Di Serio, Paolo Gonthier, Josep Anton Jaques Miret, Annemarie Fejer Justesen, Christer Sven Magnusson, Panagiotis Milonas, Juan A. Navas‐Cortes, Stephen Parnell, Roel Potting, Philippe Lucien Reignault, Emilio Stefani, Hans‐Hermann Thulke, Wopke Van der Werf, Antonio Vicent Civera, Jonathan Yuen, Lucia Zappalà, Jean‐Claude Grégoire, Chris Malumphy, Virag Kertesz, Dimitrios Papachristos, Oresteia Sfyra, Alan MacLeod   +25 more
wiley   +1 more source

Coccoloba floresii (Polygonaceae), a new species from Chiapas (Mexico)

Phytotaxa, 2015
Coccoloba floresii is here described as a new species from Mexico. Morphological characters of the leaf, inflorescence, and fruit show discontinuities among populations of C. floresii and its relatives, C. barbadensis and C. cozumelensis. In addition, C.
Ortiz Díaz, Juan Javier, Arnelas Seco, Itziar, Tun, Juan, Pinzón Esquivel, Juan Pablo   +3 more
openaire   +4 more sources

Inundation dynamics in seasonally dry floodplain forests in southeastern Brazil

Hydrological Processes, Volume 38, Issue 6, June 2024.
We investigated the variation in water level dynamics for geomorphologically different eco‐units at six floodplain forest sites in southeastern Brazil. The terraces were flooded for ~40 days per year; the levees in the Rio Grande basin for ~4 days per year and levees in the São Francisco basin for ~46 days per year.
Aline Meyer Oliveira, Ilja van Meerveld, Fernanda Moreira Gianasi, André Maciel Silva‐Sene, Camila Laís Farrapo, Felipe de Carvalho Araújo, Fernanda Oliveira, Leony Aparecido Silva Ferreira, Lidiany Carolina Arantes da Silva, Miguel Gama Reis, Patricia Vieira Pompeu, Rubens Manoel dos Santos   +11 more
wiley   +1 more source

Toxicidade, atividade antioxidante e caracterização fitoquímica das raízes e folhas de Coccoloba mollis.

Semina: Ciências Exatas e Tecnológicas, 2010
Coccoloba mollis é uma planta medicinal utilizada em Londrina, Paraná Brasil. O extrato das raízes apresentou  maior atividade contra a Artemia salina (CL50 68.5 microg/mL) do que o extrato das folhas (CL50 1342 microg mL) e demonstrou boa atividade ...
Iuri Bezerra de Barros, Queli Cristina Fidelis, Juliana Feijo de Souza Daniel, Jurandir Pereira Pinto, Audrey Alesandra Stinhen Garcia Lonni, Gideão Silva Ribeiro, Raimundo Braz- Filho, Norton Resende de Araújo, Dalva Trevisan Ferreira   +8 more
doaj   +1 more source

Are tropical forests approaching critical temperature thresholds?

Plant Biology, Volume 26, Issue 4, Page 495-498, June 2024.
Tropical tree leaves have greater heat tolerance than previously assumed by some scientists. ABSTRACT There is growing concern about the fate of tropical forests in the face of rising global temperatures. Doughty et al. (2023) suggest that an increase in air temperature beyond ∼4 °C will result in massive death of tropical forest leaves and potentially
K. Winter
wiley   +1 more source

Evaluation of extracts from Coccoloba mollis using the Salmonella/microsome system and in vivo tests

Genetics and Molecular Biology, 2010
The common everyday use of medicinal plants is an ancient, and still very widespread practice, whereby the need for studies on their possible toxicity and mutagenic properties.
Marcela Stefanini Tsuboy, Juliana Cristina Marcarini, Dalva Trevisan Ferreira, Elisa Raquel Anastácio Ferraz, Farah Maria Drumond Chequer, Danielle Palma de Oliveira, Lúcia Regina Ribeiro, Mário Sérgio Mantovani   +7 more
doaj  

Levantamento da família Polygonaceae no estado da Bahia, Brasil: espécies do semi-árido

Rodriguésia
RESUMO Foi feito o levantamento das espécies da família Polygonaceae distribuídas na zona semiárida do estado da Bahia. A família está representada na área por 5 gêneros com 21 (vinte e uma) espécies, das quais, o maior número pertence ao gênero ...
Efigênia de Melo
doaj   +1 more source

Pollen of the restinga vegetation of Algodoal/Maiandeua, Pará, Brazil. III. Polygalaceae and Polygonaceae [PDF]

Boletim do Museu Paraense Emílio Goeldi. Ciências Naturais, 2010
This study deals on pollen morphology of Polygalaceae and Polygonaceae in the Algodoal/Maiandeua island (coast of ParáState, Brazil), represented, respectively, by the species Polygala adenophora DC., P. monticola Kunth, P. spectabilis DC.,P.
Flávia Cristina Araújo Lucas, Léa Maria Medeiros Carreira, Ely Simone Cajueiro Gurge, Thália do Socorro Serra Gama   +3 more
doaj  

Aleurodicus coccolobae Quaintance & Baker

, 2004
Aleurodicus coccolobae Quaintance & Baker (Figs 2, 55) Aleurodicus coccolobae Quaintance & Baker, 1913: 46 –47. Syntypes, Mexico. DISTRIBUTION. Neotropical Region — Belize, Brazil, Costa Rica, Honduras, Mexico, Panamá. COMMENTS. A. coccolobae is one of three species that form a natural grouping within Aleurodicus, their puparia lacking the more usual ...
openaire   +2 more sources