Results 31 to 40 of about 280 (121)
The anther oil of Symphonia globulifera L.f. (Clusiaceae)
AbstractThe chemical composition of the oil on the anthers of Symphonia globulifera L. f., in which the pollen grains are completely immersed, was investigated. An unsaturated fatty acid methyl ester (methyl nervonate), very rare in plants, was found to be the only component of the oil.
Bittrich, Volker +3 more
openaire +1 more source
Antiplasmodial benzophenone derivatives from the root barks of Symphonia globulifera (Clusiaceae)
In an effort to find antimalarial drugs, a systematic in vitro evaluation on a chloroquine-resistant strain of Plasmodium falciparum (FcB1) was undertaken on sixty plant extracts collected in French Guiana. The ethyl acetate extract obtained from the root barks of Symphonia globulifera exhibited a strong antiplasmodial activity (97% at 10 microg/ml ...
Marti, G. +9 more
openaire +4 more sources
Taxonomia das Clusiaceae Lindl. nativas da Ilha de São Luís, Estado do Maranhão, Brasil [PDF]
RESUMO Clusiaceae possuem 15 gêneros e aproximadamente 800 espécies. No Brasil são reconhecidos 11 gêneros e 150 espécies, e no Estado do Maranhão, ocorrem seis gêneros e 14 espécies.
Maria Fernanda Silva Gomes +2 more
doaj +1 more source
Mapping Radial,Tangential and Longitudinal Shrinkages and Relation to Tension Wood in Discs of the Tropical Tree Symphonia globulifera [PDF]
Summary A method for measuring shrinkage resulting from drying in the three anisotropic directions is developed and tested. Measurements are performed on sawn discs, a technique which simplifies preparation and enables large numbers of measurements. Shrinkage values can be represented as a map of the disc surface.
Clair, Bruno +3 more
openaire +3 more sources
Este estudo teve como objetivos analisar a estrutura arbórea e valorar uma floresta secundária de várzea baixa. A área de estudo está localizada na propriedade florestal da Exportadora de Madeiras do Pará Ltda. - EMAPA, município de Afuá, Estado do Pará.
Michelliny de Matos Bentes-Gama +2 more
doaj +1 more source
Comparative phylogeography in rainforest trees from Lower Guinea, Africa. [PDF]
Comparative phylogeography is an effective approach to assess the evolutionary history of biological communities. We used comparative phylogeography in fourteen tree taxa from Lower Guinea (Atlantic Equatorial Africa) to test for congruence with two ...
Myriam Heuertz +4 more
doaj +1 more source
Flora das cangas da Serra dos Carajás, Pará, Brasil: Clusiaceae
Resumo Apresentamos o tratamento de Clusiaceae para a flora das cangas da Serra dos Carajás, Pará, Brasil. São reconhecidas três espécies de Clusia: C. nemorosa, C. panapanari e C. aff.
Ana Cláudia Alencar +1 more
doaj +1 more source
Comparação florística e estrutural de duas florestas de várzea no estuário amazônico, Pará, Brasil
O objetivo deste trabalho foi conhecer e comparar a composição florística e a estrutura de duas áreas de florestas de várzea localizadas na reserva extrativista Chocoaré-Mato Grosso, Santarém Novo-PA.
Fábio de Jesus Batista +3 more
doaj +1 more source
On the hunt for the alternate host of Hemileia vastatrix
This hypothesis piece probes a 150‐year‐old question… “is there an alternate host of the fungal pathogen Hemileia vastatrix?” We use comprehensive geographical botanical data and automated text mining to narrow down the possibilities. Credit: Carvalho et al.
Athina Koutouleas +5 more
wiley +1 more source
Our study includes thorough and relatively uniform sampling of populations of five widespread western Amazonian tree species across a wide geographic area covering most of western Amazonia. As such, it is the first comparative phylogeographic study of the trees of western Amazonia, which houses the world's most species‐rich forests.
Eurídice N. Honorio Coronado +4 more
wiley +1 more source

