Tropical Flowers
Mostrando 49-58 de 58 artigos, teses e dissertações.
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49. ATIVIDADE ANTIMICROBIANA DE FRAÇÕES DE EXTRATOS E COMPOSTOS PUROS OBTIDOS DAS FLORES DE Acmela brasiliensis SPRENG (Wedelia paludosa) (ASTERACEAE) / ANTIMICROBIAL ACTIVITY OF EXTRACTS, FRATIONS AND PURE COMPOUNDS OF FLOWERS FROM Acmela brasiliensis SPRENG (Wedelia paludosa) (ASTERACEAE)
The growing number of immunocompromised patients in the last two decades, led to an increase in the incidence of microbial and fungal infections, which have become a major cause of morbidity or/and mortality. One of the most promising sources of new antimicrobial compounds are plants used in folk medicine for treating ailments related with the searched activ
Publicado em: 2005
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50. Structure of a population of Esenbeckia leiocarpa Engl. (Rutaceae) in a seasonal semidecidual forest in southeast Brazil / Estrutura de uma população de Esenbeckia leiocarpa Engl. (Rutaceae) numa floresta estacional semidecidua no Sudeste do Brasil
The present study investigated the structure of a population of Esenbeckia leiocarpa, popularly known as ?guarantã?, a canopy species, not pioneer and common in the region studied. The study was carried out in an area of 3.2 ha of seasonal semi-deciduous forest in Campinas ? SP. We randomly installed 50 plots of 10 x 10 m, in a total of 0.5 ha. In each 100
Publicado em: 2005
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51. PolinizaÃÃo e fenologia reprodutiva de Byrsonima gardnerana A. Juss. (Malpighiaceae) em Ãrea de Caatinga/Nordeste do Brasil
The flowers, which offer onlu oil as floral reward for their pollinators or pollen added to oil, are agrouped in nine families (Iridaceea e Orchidaceae â Monocots; Cucurbitaceae, Primulaceae, Krameriaceae, Malpighiaceae, Solanaceae, Calceolariaceae e Plantaginaceae - Eudicots), 79 genera and about 2.400 species, and are widespread for the entire world. The
Publicado em: 2004
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52. GERMPLASM CHARACTERIZATION OF Arachis pintoi Krap. and Greg. (LEGUMINOSAEA)
Arachis pintoi Krap. and Greg. is a herbaceous, perennial legume, exclusively native to Brazil. It is considered a multiple use legume, being grown for forage; ground cover in fruits orchards, forest, and low tillage systems; erosion control; and ornamental purposes. Although several cultivars have been released in different countries, little is known about
Publicado em: 2004
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53. O gênero Xylocopa Latreille no Rio Grande do Sul, Brasil (Hymenoptera, Anthophoridae)
The genus Xylocopa Latreille in Rio Grande do Sul, Brazil (Hymenoptera, Anthophoridae). A survey of the genus Xylocopa Latreille, 1802 is given for Rio Grande do Sul, the southernmost State of Brazil. Data are based on several studies on the bee fauna of southern Brazil and on unpublished observations. A key is provided to the species (males and females) and
Revista Brasileira de Entomologia. Publicado em: 2003
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54. Ecologia de Xylocopa (Neoxylocopa) cearensis (Hymenoptera, Anthophoridae) nas dunas litorâneas de Abaeté, Salvador, Bahia
The study was carried out in a 8.2 ha area in an environmental protection area of tropical sea coastal sand dune with "restinga" vegetation in Salvador, Bahia, northeastern Brazil. A total of 1760 bees of Xylocopa (Neoxylocopa) cearensis Ducke, 1910 were netted during the whole year on flowers of 43 plant species belonging to 26 botanic families. The majorit
Iheringia. Série Zoologia. Publicado em: 30/12/2002
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55. Esfingídeos (Lepidoptera, Sphingidae) no Tabuleiro Paraibano, nordeste do Brasil: abundância, riqueza e relação com plantas esfingófilas
Hawkmoths (Sphingidae) are among the major pollinators in tropical communities. Here the first survey of sphingids and related plants in Northeastern Brazil is presented. The sphingids were surveyed from March 1999 through April 2000 at the Reserva Biológica Guaribas, Mamanguape, Paraíba State. On black and mix light traps, 136 hawkmoths from 24 species we
Revista Brasileira de Zoologia. Publicado em: 2002-06
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56. Caracterização da estrutura espaço-temporal da comunidade de abelhas euglossinas (Hymenoptera, Apidae) na Hileia Baiana
To characterize the spatiotemporal patters in species richness, abundance, and morphology of an assemblage of forest-inhabiting male euglossine, I sampled bees monthly with orchid fragrance baits in three arbitrarily selected areas of a continuous old-growth tropical coastal Atlantic forest in the Linhares Forest Preserve in southeaster Brazil. The 16,117 eu
Publicado em: 1999
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57. Estudos sobre a biologia reprodutiva de especies de melastomataceae de cerrado em Itirapina, SP
This study was set up to investigate some aspects of the reproductive biology of 11 species of Melastomataceae growing in cerrado vegetation, in Itirapina, SP, Brazil. These were: Leandra lacunosa Cogn., Miconia albicans (Sw.) Triana, M. fallax DC., M. langsdorffii Cogn., M. ligustroides (DC.) Naud., M. minutiflora (Bonpl.) DC., M. pepericarpa Mart. ex DC.,
Publicado em: 1994
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58. Composição e tamanho de faunas associadas a capitulos de compostas
Composition and species richness of phytophagous insects associated with flowerheads of Compositae were investigated in samples of 70 plant species, most of them in the Astereae, Eupatorieae, Heliantheae, Senecioneae and Vernonieae. Sampled plants ranged from highly endemic species to widespread ones To investigate the effect of macrohabitat on the associate
Publicado em: 1988