Results 31 to 40 of about 820 (167)

Composição florística e estrutura da vegetação arbustivo-arbórea em um cerrado rupestre, Cocalzinho de Goiás, Goiás [PDF]

open access: yes, 2009
Foi realizado um levantamento da vegetação arbutivo-arbórea (indivíduos com diâmetro a 30 cm do solo > 5 cm), em 1,0 hectare de cerrado rupestre (dez parcelas de 20 × 50 m), localizado em Cocalzinho de Goiás, Goiás, Brasil (15º48' S e 48º45' W).
Oliveira, Eddie Lenza   +2 more
core   +2 more sources

Structural adjustment of Schwartzia brasiliensis (Marcgraviaceae) in two restinga formations

open access: yesRodriguésia, 2022
Abstract This study investigated the foliar plasticity in Schwartzia brasiliensis in restinga formations (shrub and shrub-tree restinga) in southern Brazil. In each area, 10 individuals were selected and leaves in sunlight were collected for an analysis of functional leaf traits, including: fresh and dry leaf mass, leaf area, specific leaf area ...
Adriely Amboni   +2 more
openaire   +2 more sources

Flora da Usina São José, Igarassu, Pernambuco: Lecythidaceae, Marcgraviaceae e Primulaceae

open access: yesRodriguésia
Resumo A ordem Ericales nos remanescentes de Floresta Atlântica da Usina São José foi previamente tratada com a monografia da família Sapotaceae. Dando continuidade aos estudos dessa flora, neste trabalho o tratamento da ordem Ericales é atualizado com a
Bruno S. Amorim   +3 more
doaj   +1 more source

New Taxa of Sarcopera and Marcgraviastrum (Marcgraviaceae) from the Guayana Shield

open access: yesNovon, 1999
A new species, Sarcoperaflammifera, and a new subspecies, Sarcopera tepuiensis subsp. coccinea, are described. Three new combinations, Sarcopera aurantiaca, Sarcopera tepuiensis, and Marcgraviastrum pendulum, are validated. The planned treatments of Marcgraviaceae in the Flora of the Venezuelan Guayana and Flora of the Guianas series necessitate ...
De Roon, A C, Dressler, S
openaire   +6 more sources

Flora das cangas da Serra dos Carajás, Pará, Brasil: Marcgraviaceae

open access: yesRodriguésia
Resumo Apresenta-se um tratamento taxonômico para a família Marcgraviaceae na vegetação de canga da Serra dos Carajás, representada por uma duas espécies, Norantea guianensis Aubl. e Souroubea guianensis Aubl.
Pedro Lage Viana   +1 more
doaj   +1 more source

Variations in richness and tree species diversity within 14 years in a valley forest, Mato Grosso, Brazil [PDF]

open access: yes, 2014
O presente trabalho teve como objetivo descrever variações na riqueza, na diversidade e na contribuição dos grupos ecológicos para a composição florística da vegetação arbustiva e arbórea (DAP ≥ 5 cm) na Floresta de Vale no Véu de Noiva (FVVN ...
Abreu, Thiago Ayres Lazzarotti   +2 more
core   +1 more source

Morphology and angiosperm systematics in the molecular era [PDF]

open access: yes, 2018
Several ways in which morphology is used in systematic and evolutionary research in angiosperms are shown and illustrated with examples: 1) searches for special structural similarities, which can be used to find hints for hitherto unrecognized ...
Endress, Peter
core  

The tree-shrub vegetation in rocky outcrop cerrado areas in Goiás State, Brazil [PDF]

open access: yes, 2012
We describe the floristic composition of the tree-shrub vegetation in 10 areas of rocky outcrop cerrado in Goiás State, Brazil. Ten 20 × 50 m plots (totaling 1 ha) were established and all of the individuals with diameters at 30 cm above soil level (DB30)
Lenza, Eddie   +3 more
core   +2 more sources

Assembling the Neotropical Tree Flora: Andean Uplift and the Historical Biogeography of the Brazil Nut Family (Lecythidaceae)

open access: yesJournal of Biogeography, Volume 53, Issue 4, April 2026.
ABSTRACT Aim The assembly of tropical tree floras is complex, involving many lineage‐specific histories; however, focusing on the biogeographic history of diverse clades can reveal general patterns. We investigated the historical biogeography of the ecologically important Brazil nut clade (Lecythidoideae) to: (1) expand prior phylogenies with greater ...
Diana Medellín‐Zabala   +8 more
wiley   +1 more source

INDEPENDENT ORIGINATION OF FLORAL ZYGOMORPHY, A PREDICTED ADAPTIVE RESPONSE TO POLLINATORS: DEVELOPMENTAL AND GENETIC MECHANISMS [PDF]

open access: yes, 2016
Observations of floral development indicate that floral organ initiation in pentapetalous flowers more commonly results in a medially positioned abaxial petal (MAB) than in a medially positioned adaxial petal (MAD), where the medial plane is defined by ...
Bukhari, Ghadeer, Zhang, Wenheng
core   +1 more source

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