Mestrado em Biodiversidade Vegetal (ICB)
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Navegando Mestrado em Biodiversidade Vegetal (ICB) por Por Orientador "Teles, Aristônio Magalhães"
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Item A tribo Vernonieae Cass. (Asteraceae) na Serra Dourada, Goiás, Brasil(Universidade Federal de Goiás, 2013-10-20) Moreira, Giselle Lopes; Teles, Aristônio Magalhães; http://lattes.cnpq.br/1464201907983484; Silva, Marcos José da; Roque, NádiaThe tribe Vernonieae Cass. (Asteraceae) Serra Dourada, Goiás, Brazil. The tribe Vernonieae belongs to Cichorioideae, has 21 subtribes, 119 genera and approximately 1000 species, having a pantropical distribution. For Brazil are cited 55 genera and 437 species. In Goiás state are recorded 19 genera and 129 species. The aim of this study is to present the taxonomic treatment of the species of the tribe Vernonieae from Serra Dourada, Goiás. The collections were made between September 2011 and December 2012, and all material was depositated in UFG herbarium. The species were described based on all material examined (own collections and collections from the herbaria RB, UB and UFG). It is presented an identification key for the taxa found in the study area, as well as descriptions, followed by taxonomical comments, such as morphological variability and affinity between the taxa, comments on geographic distribution and phenology, as well as illustrations. Were found 30 species grouped in 13 genera and seven subtribes. The most representative genus was Lessingianthus H. Rob. (11 spp.), followed by Chresta Vell. ex DC. and H. Vernonanthura Rob. (3 spp. each), all together representing about 57% of the total, other four genera (Chrysolaena H. Rob., Elephantopus L., Eremanthus Less. and Lepidaploa (Cass.) Cass.) are represented by two species each, and six other genera (Centratherum Cass., Echinocoryne H. Rob., Lychnophora Mart., Piptocarpha R. Br, Stenocephalum Sch.Bip. and Strophopappus DC.) with one species each. From the total species number, 76% are represented by shrub or subshrub layer, 17% herbaceous and 7% woody. Some species found in the study area have restricted geographical distribution as Chresta curumbensis (Philipson) H. Rob. (Goiás and Mato Grosso), C. speciosa Gardner (Goiás and Tocantins), Lessingianthus hoveaefolius (Gardner) H. Rob. (Goiás and Minas Gerais) and L. soderstroemii (H. Rob.) H. Rob. (Distrito Federal and Goiás). Lessingianthus rigescens (Malme) Dematt. is a new record for Goiás state, this species was initially reporterd for Mato Grosso. The study it is the first taxonomic treatment of tribe Vernonieae to some locality in the Goiás state.Item Vochysiaceae A. St.-Hil. nos Parques Estaduais da Serra de Caldas Novas e da Serra Dourada e sua sinopse para o estado de Goiás(Universidade Federal de Goiás, 2017-03-30) Sampaio, Thiago Henrique Silva; Teles, Aristônio Magalhães; http://lattes.cnpq.br/1464201907983484; Teles, Aristônio Magalhães; Shimizu, Gustavo Hiroaki; Klein, Vera Lúcia Gomes; Ferreira, Heleno Dias; Gonçalves, Letícia de AlmeidaThe family Vochysiaceae has about of 240 species grouped in eight genera: Erismadelphus Mildbr. e Korupodendron Litt & Cheek what are natural of Western Africa; Callisthene Mart., Erisma Rudge, Qualea Aubl., Salvertia A. St.-Hil, Ruizterania Marc-Berti and Vochysia Aubl. with neotropical distribution. Vochysiaceae is reconigzed its leaves oposite or in polymerous whorls, zigomorfic flowers, spurred calyx, corolla with one, three or five petals and one fertille stame. The Goiás state is inserted in the region of the Cerrado, the second largest biome in area in Brazil, in it’s found several conservation units, for example the State Park of Serra Dourada (PESD) and State Park of Serra de Caldas Novas (PESCAN). The PESD is located between the municipalities of Mossâmede and Goiás and the PESCAN located between the municipalities of “Caldas Novas” and “Rio Quente”. To perform this work we examined material of several herbaria at Brazil and we collected botanical material in several points of Goiás, included the PESD and PESCAN. Here we present the following results: we reported 27 species of Vochysiaceae for Goiás state in five genera: Callisthene (5 spp.); Qualea (6 spp.); Salvertia (1 sp.); Ruizterania (1 sp.); and Vochysia (14 spp.). Qualea selloi, Ruizterania wittrockii and Vochysia sessilifolia are new record for Goiás state; we propose here the new combination of Qualea dichotoma var. elongada to Qualea cordata var. elongata. In the PESCAN and in the PESD, Vochysiaceae is represented for 17 species, distribuited in four genera: Callisthene (3spp.); Qualea (6 spp.); Salvertia (1 sp.); e Vochysia (9 spp.). Callisthene fasciculata, C. major, C. mollissima, Vochysia cinnamomea and V. pumila have found only in the PESCAN, and Vochysia pruinosa and Vochysia pyramidalis have been found only in the PESD. The others species are common to both areas. In this work is presented a key of identification of the species occurring in the Goiás state, and in the PESD and PESCAN, as well as descriptions, illustrations taxonomic comments, phenology, distribuition and examined material.Item Estudos taxonômicos do gênero Calea L. (Asteraceae: Neurolaeneae) na região Centro-Oeste do Brasil(Universidade Federal de Goiás, 2016-03-28) Silva, Gustavo Henrique Lima da; Teles, Aristônio Magalhães; http://lattes.cnpq.br/1464201907983484; Teles, Aristônio Magalhães; http://lattes.cnpq.br/1464201907983484Asteraceae (Compositae) comprises approximately 1.650 genus and about 24.000 species, grouped in 43 tribes. Among these tribes, Neurolaeneae contains 154 species and six genera (Calea, Enydra, Greenmaniella, Heptanthus, Neurolaena e Staurochlamys) with neotropical distribution, and Calea is the largest genus with about 118 species. In Brazil Calea is represented by 82 species of which 45 is endemic of the country. The regions of Brazil with greater richness of species of the genera are Southeast (52 spp.) and Central-West (40 spp.). The Central-West region comprises the states of Goiás, Mato Grosso, Mato Grosso do Sul, and Federal District, and occupies an area of 1.606.415,201 Km2. The main biomes of the region are Cerrado (Brazilian savanna), Pantanal and Amazon rainforest. To carry out the work botanical collections were performed in the three states and the Federal District, covering mainly areas of the Cerrado biome. Materials of several Brazilian herbaria and our collections were examined. Here we present the following results: we reported 35 species of Calea for Central-West region of Brazil, one described as new for Goiás state; Calea anomala, C. purpurea, and C. kirkibridei were previously registered for the region by other authors, but from the present study had their distribution restricted to Bahia and Tocantins states (C. purpurea), and Minas Gerais state (C. anomala and C. kirkbridei); we reported the occurrence of C. lantanoides for Bolivia, and C. asclepiifolia as a new record for Brazil, in Mato Grosso do Sul state. We propose here seven synonymizations, three new combinations, and designate 26 lectotypes. These results are presented in the form of four manuscripts: Synopsis of the genus Calea L. (Asteraceae: Neurolaeneae) in the Central-West region of Brazil (with a brief history of the genre, key to the taxa, taxonomic comments, distribution and habitat, phenology, list of specimens and illustrations); Calea L. (Asteraceae, Neurolaeneae) in Goiás state, Brazil (Key to the species found in the state of Goiás, descriptions for each species, taxonomic comments, distribution and habitat, phenology, images and material examined); The genus Calea (Asteraceae, Neurolaeneae) in the Federal District, Brazil (key to the species occurring in the Federal District, descriptions for each species, taxonomic comments, distribution and habitat, phenology, illustrations and specimens examined); and A new species of Calea (Asteraceae – Neurolaeneae) from Goiás state, Brazil;Item Vochysiaceae A. St.-Hil. na serra dos Pireneus, Goiás: diversidade e similaridade florística em áreas de cerrado no Brasil(Universidade Federal de Goiás, 2017-06-26) Teixeira, Rayna Chaves; Almeida Neto, Mário; http://lattes.cnpq.br/1000297113793647; Teles, Aristônio Magalhães; http://lattes.cnpq.br/1464201907983484; Teles, Aristônio Magalhães; Souza, Luzia Francisca de; Hiroaki, Gustavo ShimizuThe Vochysiaceae family comprises about 240 species distributed in eight genera, six of which occur in the neotropical region (Callisthene Mart., Erisma Rudge, Qualea Aubl., Ruizterania Marc.-Berti, Salvertia A. St.-Hil., and Vochysia Aubl.) and two occur exclusively in Africa (Erismadelphus Mildbr. and Korupodendron Litt & Cheek). The family is known for presenting simple, opposing or verticillate leaves, zygomorphic flowers, isolated or arranged in thyrse, usually calcareous chalice, corolla with reduced number of petals (1, 3 or 5) and only a fertile stamen. This work was organized in two manuscripts with the objective of performing the taxonomic treatment of the Vochysiaceae occurring in the Serra dos Pireneus and also to evaluate the determinants of the diversity and floristic similarity of Vochysiaceae in areas of the Cerrado biome in Brazil. For the first manuscript, botanical material was collected fortnightly for one year in the Serra dos Pireneus. Materials deposited in the herbaria (CEN, ESA, GUA, HEPH, HRB, HUEFS, HUEG, HUFU, IBGE, K, MBM, MO, NY, RB, UB, UEC, UFG, US) were also examined by means of loans. The material collected was incorporated into the collection of the UFG herbarium and all the material examined was identified or had its identification revised. For the taxonomic treatment of the Vochysiaceae of the Serra dos Pireneus, morphological descriptions, taxonomic comments and geographic distribution of all taxa were produced. An identification key was also made for the taxa as well as illustrations. For the second manuscript, 14 surveys of Vochysiaceae were selected in different locations in the Cerrado. With the compilation of the data, the relative and independent importance of the geographic distance and altitude in the determination of the floristic similarity of Vochysiaceae between localities in the biome was evaluated. The Jaccard index was used to calculate the floristic similarity between the pairs of areas and the Mantel Partial Test to evaluate the correlation between the variables and the floristic similarity of Vochysiaceae independently. The study showed that altitude is more important than distance in predicting the extent to which the composition of Vochysiaceae varies between areas in the Cerrado.