RSS 1.0Artigos - Botânica - IBRC
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Biochemical and physiological changes of Tabebuia roseoalba (Ridl.) Sandwith (Bignoniaceae) seeds under storage
; Takaki, Massanori
(Journal of Seed Science, 2014) [Artigo]
Tabebuia roseoalba (Ridl.) Sandwith is a Brazilian forest species, with great use in landscaping and reforestation, occurring mainly in the semi-deciduous forest. Seeds are small, lightweight, winged and wind-dispersed. ... -
Will we have enough to eat in the near future?: what the Brazilian Society of Plant Physiology and The Global Plant Council have to do with it?
Habermann, Gustavo; (Theoretical and Experimental Plant Physiology, 2013) [Artigo]
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Flora das cangas da Serra dos Carajás, Pará, Brasil: Lauraceae
Moraes, Pedro Luís Rodrigues De (Rodriguésia, 2018) [Artigo]
The Lauraceae found in the FLONA of Carajás (Pará, Brazil) comprise 32 species belonging to 11 genera: Aiouea (4), Aniba (4), Cassytha (1), Endlicheria (2), Kubitzkia (1), Licaria (2), Mezilaurus (2), Nectandra (5), Ocotea ... -
Composição florística das epífitas vasculares em duas fisionomias vegetais no município de Botucatu, estado de São Paulo, Brasil1
Marcusso, Gabriel Mendes; Monteiro, Reinaldo (Rodriguésia, 2016) [Artigo]
We evaluated the floristic composition of vascular epiphytes, and classified them according to their ecological categories and dispersion syndrome, in a Swamp Forest (SF) and a Seasonal Semideciduous Forest (SSF), in ... -
Morfologia de sementes e de estádios iniciais de plântulas de espécies de Bromeliaceae da Amazônia1
; Scatena, Vera Lúcia (Rodriguésia, 2011) [Artigo]
Seeds of Aechmea bromeliifolia, A. castelnavii (Bromelioideae); Dyckia duckei, D. racemosa (Pitcairnioideae) and Tillandsia adpressiflora (Tillandsioideae) were collected in the Amazon regions (Mato Grosso) and studied to ... -
Notas nomenclaturais em Salacioideae (Celastraceae)
Lombardi, Julio Antonio (Rodriguésia, 2010) [Artigo]
Four new combinations are proposed for the following South American Salacioideae (Celastraceae): Peritassa myrsinoides (A.C.Sm.) Lombardi, P. nectandrifolia (A.C.Sm.) Lombardi, P. petiolata (A.C.Sm.) Lombardi, and Tontelea ... -
Florística e ecologia de epífitas vasculares em um fragmento de floresta de restinga, Ubatuba, SP, Brasil
Mania, Luiz Felipe; Monteiro, Reinaldo (Rodriguésia, 2010) [Artigo]
Vascular epiphytism plays a significant role in the diversity of tropical forests and it also provides food resources and microhabitats for specialized fauna of the canopy. We present the epiphyte community of a “restinga” ... -
Rhizome and root anatomy of 14 species of Bromeliaceae1
Proença, Suzana Lúcia; Sajo, Maria Das Graças (Rodriguésia, 2008) [Artigo]
The anatomy of rhizomes and roots of 14 species of Bromeliaceae that occur in the cerrado biome were studied with the aim of pointing out particular anatomical features of the family and possible adaptations related to the ... -
Florística e caracterização dos campos rupestres sobre canga na Serra da Calçada, Minas Gerais, Brasil1
; Lombardi, Julio Antonio (Rodriguésia, 2007) [Artigo]
Ferrugineous rocky grasslands are a peculiar environment frequently found at the Quadrilátero Ferrifero region, Minas Gerais State. The vegetation, associated to hematitic outcrops, presents physiological and morphological ... -
Variação sazonal de macronutrientes em uma espécie arbórea de cerrado, na Reserva Biológica e Estação Experimental de Mogi-Guaçu, estado de São Paulo, Brasil
; Silva, Osvaldo Aulino Da (Rodriguésia, 2004) [Artigo]
The present study aims to evaluate monthly the mineral nutrition presented by the population of Ouratea spectabilis (Mart.) Engl. in different phenophases, from August of 1995 to July of 1996, in a cerrado area of the ... -
ANÁLISE ESTRUTURAL EM RELICTOS DE CERRADO NO PARQUE ESTADUAL DO GUARTELÁ, MUNICÍPIO DE TIBAGI, ESTADO DO PARANÁ, BRASIL
; ; ; Assis, Marco Antônio (Ciência Florestal, 2012) [Artigo]
This study was accomplished in existing Cerrado's relicts at State Park Guartelá, Tibagi, PR (24º39'10S and 50º15'25W), which represent one of the last extreme-meridional remanescents of this type of formation. Fifty plots ... -
POLYAMINES AS SALINITY BIOCHEMICAL MARKER IN CALLUS OF Eucalyptus urograndis
Lima, Giuseppina Pace Pereira; Piza, Isabela M. Toledo ; ; Takaki, Massanori (Ciência Florestal, 2003) [Artigo]
Biochemical markers have been used for the analysis of plant cells submitted to several types of stress, among them salinity. This work aimed at analyzing the effect of saline stress in callus of Eucalyptus urograndis on ... -
Root anatomy of nine orchidaceae species
Oliveira, Virginia Del Carmem; Sajo, Maria Das Graças (Brazilian Archives of Biology and Technology, 1999) [Artigo]
Studies on the root anatomy of nine Orchidaceae species presented a multisseriated velamen, a parenchymatous cortex and a definided endodermis, in all the studied species (Catasetum fimbriatum Lindl., Dichaea bryophila ... -
Maintenance of wetland plant communities: the role of the seed bank in regeneration of native plants
Bao, Francielli; Assis, Marco Antonio De ; (Acta Botanica Brasilica, 2021) [Artigo]
Exotic grasses have been introduced into wetlands and can compete with native plants due to their high tolerance of flood and dry periods. Flooding can facilitate seed dispersal of exotic species and reduce the diversity ... -
Morfoanatomia de rizomas e raízes de Tillandsia L. (Bromeliaceae) dos Campos Gerais, PR, Brasil
; Scatena, Vera Lúcia (Acta Botanica Brasilica, 2004) [Artigo]
Morphological and anatomical features of rhizomes and roots were studied in Tillandsia crocata (E. Morren) Baker, T. gardneri Lindl., T. geminiflora Brongn., T. mallemontii Glaziou ex Mez., T. linearis Vell., T. lorentziana ... -
Aspectos morfo-anatômicos de três espécies de Drosera, durante o desenvolvimento pós-seminal
; Sajo, Maria Das Graças (Acta Botanica Brasilica, 2000) [Artigo]
During germination, the seeds of the three species (Drosera spathulata Labill., D. intermedia Dreves & Hayne e D. burmanni Vahl) rupture by way of an operculum with the seedlings forming anchorage hairs before the development ... -
Notas taxonômicas em Xyris L. (Xyridaceae)
; Sajo, Maria Das Graças (Acta Botanica Brasilica, 1996) [Artigo]
Nomenclatural and taxonomic changes are proposed in Xyris; one new status and two new synonym. -
Anatomical and ultrastructural aspects of root and mycorrhiza of Anadenanthera peregrina (L.) Speg. var. falcata (Benth.) Altschul (Leguminosae-Mimosoideae)
; Cordeiro, Lázara; Caetano, Flávio H. (Brazilian Journal of Botany, 2003) [Artigo]
A. peregrina var. falcata form mutualistic symbiosis with arbuscular mycorrhizal fungus. An anatomical and ultrastructural study was carried out to analyze some aspects of this simbiotic association as well as some root ... -
MORFOLOGIA DOS FRUTOS, SEMENTES E PLÂNTULAS DE Platonia insigni MART. (CLUSIACEAE). II. MORFO-ANATOMIA DOS FRUTOS E SEMENTES MADUROS
; Beltrati, Celia Massa (Acta Amazonica, 1995) [Artigo]
The fruit of Platonia insigniis an unilocular berry; oblate to oblong in shape. The exocarp is uniseriate; the mesocarp is parenchymatic, with branched secretory ducts and vascular bundles. At maturation, the endocarp ... -
MORFOLOGIA DOS FRUTOS, SEMENTES E PLÂNTULAS DE Platonici insigni MART. (CLUSIACEAE). III GERMINAÇÃO E PLÂNTULAS
; Beltrati, Celia Massa (Acta Amazonica, 1995) [Artigo]
Morphological and developmental features of seedlings of Platonia insigniMart, are here described. The seedling is cryptocotylar, hypogeal. The primary root is axial; opposite scale leaves (cataphylls) precede the foliage ...