Results 91 to 100 of about 4,132 (219)

Are tropical forests approaching critical temperature thresholds?

open access: yesPlant 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

Liste des espèces de Phanérogames et de Ptéridophytes de Guyane française d'après l'Herbier du Centre ORSTOM de Cayenne [PDF]

open access: yes, 1988
La liste présente les noms de 3.748 espèces et des 337 taxons infraspécifiques des plantes récoltées en Guyane française et dont au moins un échantillon a été déposé à l'Herbier du Centre ORSTOM de Cayenne depuis sa création en 1956.
Cremers, Georges   +3 more
core  

Coccoloba uvifera (L.) (Polygonaceae) Fruit: Phytochemical Screening and Potential Antioxidant Activity

open access: yesJournal of Chemistry, 2015
The flora of Latin America attracts gaining interest as it provides a plethora of still unexplored or underutilized fruits that can contribute to human well-being due to their nutritional value and their content of bioactive compounds.
Maira Rubi Segura Campos   +3 more
doaj   +1 more source

Estudo anatômico da madeira de Coccoloba cordata Cham. (Polygonaceae) [PDF]

open access: yesCiência e Natura, 1987
The wood anatomy of Coccoloba cordata Cham. is described in its general, macroscopic and microscopic aspects. Quantitative and stereological data, as well as photomicrographs of the wood are also presented. The anatomical structure shows a great similarity with literature references to genus Coccoloba and Family Polygonaceae.
José Newton Cardoso Marchiori   +1 more
openaire   +1 more source

Eco-friendly wood-biofungicidal and antibacterial activities of various Coccoloba uvifera L. leaf extracts: HPLC analysis of phenolic and flavonoid compounds

open access: yes, 2020
Aqueous, acetone, and ethanol extracts of Coccoloba uvifera L. (Polygonaceae) leaves were assessed for their antibacterial and antifungal activities.
N. Ashmawy   +5 more
semanticscholar   +1 more source

Tree Islands in Everglades Landscapes: Current Status, Historical Changes, and Hydrologic Impacts on Population Dynamics and Moisture Relations, First Annual Report [PDF]

open access: yes, 2005
In 2005 we initiated a project designed to better understand tree island structure and function in the Everglades and the wetlands bordering it. Focus was on the raised portions at the upstream end of the islands, where tropical hardwood species adapted ...
Gomez, Daniel   +7 more
core  

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

open access: yesGenetics 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   +7 more
doaj  

Novedades del género Tillandsia (Bromeliaceae, Tillandsioideae) para Uruguay [PDF]

open access: yes, 2018
Se citan por primera vez para la flora de Uruguay a Tillandsia capillaris Ruiz & Pav. (= T.capillaris f. hieronymi (Mez) L.B. Sm.) y T. loliacea Mart. ex Schult. f.
Berazategui, Pablo   +3 more
core   +2 more sources

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

open access: yesBoletim 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   +3 more
doaj  

Review of Zethus Fabricius from the West Indies (Hymenoptera: Vespidae) [PDF]

open access: yes, 2003
Eleven species of Zethus are reported for the West Indies including two new species. A re-evaluation of Z. albopictus Smith is accomplished based on new material from Hispaniola leading to the creation of a new species group.
Stange, Lionel A.
core  

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