Kleber Resende Silva

Kleber Resende Silva
São Paulo State University | Unesp · Department of Botany

About

29
Publications
3,874
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201
Citations
Additional affiliations
March 2012 - March 2014
Federal University of Uberlândia
Position
  • Master's Student

Publications

Publications (29)
Article
Full-text available
Background Accurate species identification is the first step towards establishing conservation strategies, especially regarding rare and threatened species, such as those studied here. Moreover, understanding the responses to the environment and growing conditions of endemic species is necessary for its conservation. This study compares the leaf an...
Article
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Background and Aims: Clonality is characterized by the formation of independent individuals of the same genotype that are capable of reproducing and propagating vegetatively. Although clonality is an important mechanism that facilitates the persistence of a population, its extensive use can lead to negative impacts on sexual reproduction due to tra...
Article
Ongoing climate changes are expected to intensify drought periods in tropical regions, directly impacting epiphytic bromeliads that depend on intermittent water availability. This study aimed to elucidate if Acanthostachys pitcairnioides, an epiphytic bromeliad of Atlantic Forest, tolerates extended drought periods and the potential strategies invo...
Article
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Water is an essential abiotic factor for seed imbibition process. Seeds of several Caatinga species have a physiological strategy known as seed hydration memory to mitigate the effects of irregular rainfall patterns in this environment. However, the mechanisms behind are not well understood. Therefore, our study aimed to evaluate the occurrence of...
Chapter
Agricultural practices, like fungicides applications and organic/mineral fertilization, as well as industrial mining activities, can be responsible for the increase in the levels of heavy metals in soil. When there is excessive in soil matrix and/or soil solution, these metals can stress the short-cycle plant species producing grains or vegetables,...
Article
The Vriesea oligantha complex comprises Vriesea lancifolia, Vriesea oligantha, and Vriesea pseudoligantha, which were recently transferred to Stigmatodon. Such species exhibit strong morphological convergence to live in rocky fields, which makes difficult their identification in the wild or in herbarium specimens. In a previous work, leaf character...
Article
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Hohenbergia is one the most diverse genera in Bahia state, and inhabits almost all regions of the state. As a result of ongoing studies on Hohenbergia in Bahia, Brazil, here we describe and illustrate Hohenbergia erecta, endemic to the municipality of Mucugê, at Chapada Diamantina. Hohenbergia erecta differs from its morphologically related, H. cat...
Article
Barbacenia graminifolia is a Velloziaceae species endemic to the campos rupestres in Serra do Cipó, Minas Gerais state (Brazil). This biome is characterised by high irradiance and limited water conditions. Unlike other resurrection plants, B. graminifolia can maintain a high hydric status (> 80%) after 28 days of water suppression before desiccatio...
Article
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Leaf ontogenesis is imperative for the establishment and regulation of its structural and functional properties, in addition to being an excellent tool for assigning specimens to different groups of angiosperms. Even though the importance of leaf morphology and anatomy for taxonomic use is well known, few studies have addressed the processes of lea...
Article
Using tolerant genotypes and the correct use of fertilizers can mitigate the negative effect of elevated Cu levels in the growing medium. In this context, the study aimed to evaluate the effects of excess Cu in the root system and the effectiveness of phosphorus (P) in minimizing the phytotoxicity of Cu in three genotypes: IAC 572 [(Vitis riparia x...
Article
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We here establish the Hohenbergia capitata complex composed of three species endemic to the Atlantic Forest, in the State of Bahia, Northeastern Brazil. When compared with other Hohenbergia species endemic to the Atlantic Forest, the complex is recognized by the small size of the plants (shorter than 1 m tall when flowering), lanceolate leaf blades...
Article
In Bromeliaceae, fruit type and seed morphology have been used to distinguish the subfamilies. We studied seed and fruit development of three species of Bromelioideae (Aechmea bromeliifolia, Billbergia distachia and Neoregelia bahiana) relating seed characters to fruit structure. Aechmea bromeliifolia has few ovules per locule inserted within the a...
Article
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How does the deposition of cell wall components structure cell shape and function during leaf ontogenesis? Although this issue has been the subject of several studies, a wide variety of standards have been reported and many knowledge gaps remain. In this study we evaluated cell wall composition in leaf tissues of Lavoisiera mucorifera Mart. & Schra...
Article
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Delimitation of Bromeliaceae into genera or species is often problematic, as observed for the Neoregelia bahiana complex, distributed throughout the rocky fields of Espinhaço Range, Brazil. Considering that the anatomical characterisation of different organs is potentially important for taxonomic and ecological interpretation of this complex, we an...
Article
Rocky outcrops represent the diversity center of vascular desiccation tolerant (DT) plants. Vegetation in this environment is exposed to an extended dry season and extreme conditions due to rocky soils and high sun exposure. In this study, we demonstrated that Pitcairnia burchellii, a bromeliad from rocky outcrops, tolerates intense desiccation for...
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Two new species of Microlicia (Melastomataceae) endemic to campos rupestres from the Espinhaço mountain range in Minas Gerais, Brazil, are described and illustrated, and a discussion on leaf anatomy is also provided. Microlicia cogniauxiana is similar to M. graveolens, M. passerina, and M. tomentella by having an indumentum of stalked glands, pink...
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Post-fire effect plays an important role as a modulator of plant ecosystems, especially of the Cerrado. It induces leaf sprouting in several species, often forming vigorous and more physiologically active leaves. In the present study it was investigated the photosynthetic performance of young and mature leaves of Vochysia cinnamomea Pohl (Vochysiac...
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O fogo exerce um papel importante como modelador dos ecossistemas de diversas formações vegetais, especialmente o Cerrado. Sua ação induz a brotação em diversas espécies, muitas vezes formando folhas mais vigorosas e fisiologicamente mais ativas. Nesse contexto, o presente trabalho investigou o desempenho fotossintético de folhas jovens e maduras d...
Article
Two new species of Microlicia from campos rupestres of Minas Gerais are described, illustrated and compared with their relatives. Microlicia crassa sp. nov. is similar to M. formosa, and M. maculata sp. nov. is similar to M. isophylla and M. tetrasticha. The trichomes covering both surfaces of the leaves of the two new species and their relative, M...
Article
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A ontogênese foliar associada a análises histométricas podem fornecer respostas conclusivas sobre a obtenção da forma da folha, assim como detalhes estruturais que podem ser usados como subsídio taxonômico para Melastomataceae. Assim, o objetivo deste estudo foi descrever a ontogenia foliar de Lavoisiera mucorifera, elucidando os processos de orige...
Article
The leaf ontogenesis associated to histometric analyzes can provide conclusive answers about the leaf shape formation, as well structural details that could be used as taxonomic subsidy in Melastomataceae. Our purpose was to describe the leaf ontogenesis of Lavoisiera mucorifera, and the processes cell elongation in leaf shape formation. Leaves of...
Article
Full-text available
RESUMO Os compostos fenólicos são produtos secundários do metabolismo vegetal, apresenta atividade antioxidante devido sua estrutura química que lhes confere propriedades redutoras. Os flavonóides constituem a maior classe de compostos fenólicos, atuando de diferentes maneiras no organismo humano. O gênero Hyptis é o representante da família Lamiac...

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