Results 11 to 20 of about 220 (113)
Formigas visitantes de inflorescências de Actinocephalus polyanthus (Bong.) Sano (Eriocaulaceae) [PDF]
Biotemas, 2013 Plantas da família Eriocaulaceae apresentam uma secreção de néctar em estruturas florais que promove a visitação de insetos, inclusive formigas. Este estudo avaliou as espécies de formigas visitantes de inflorescências de Actinocephalus polyanthus em ...
Benedito Cortês Lopes
doaj +6 more sources
Actinocephalus giuliettiae Sano 2011, sp. nov.
Phytotaxa, 2011 Published as part of Echternacht, Livia, Trovó, Marcelo & Sano, Paulo Takeo, 2011, Two new species of Actinocephalus (Eriocaulaceae) from Minas Gerais, Brazil, pp.
Echternacht, Livia +2 more
core +9 more sources
Morphological architecture of Actinocephalus (Koern.) Sano (Eriocaulaceae-Poales)
Flora - Morphology, Distribution, Functional Ecology of Plants, 2008 Abstract Actinocephalus exhibits perhaps more diversity in habit than any other genus of Eriocaulaceae. This variation is largely a result of differences in the arrangement of the paraclades. Based on the analysis of stem architecture of all 25 species of Actinocephalus , the following patterns were established: (1) leaf rosette, with no elongated
Oriani, Aline +2 more
openaire +3 more sources
Raridade, taxonomia e conservação em Actinocephalus (Körn.) Sano (Eriocaulaceae) [PDF]
A raridade das espécies é influenciada por fatores como distribuição geográfica, abundância local e especificidade de habitat, conforme postulado nas sete formas de raridade de Rabinowitz.
Almeida, Roberto Baptista Pereira de
openaire +2 more sources
Plant Biology, 2001 Abstract: The embryology and seed structure of Paepalanthus sect. Actinocephalus species were studied. The embryological and structural seed characters fit well with those of the other commelinaceous families. Within the Commelinales sensu Dahlgren, Eriocaulaceae and Xyridaceae represent two embryologically close families.
Scatena, V.L., Bouman, F.
openaire +4 more sources
Micron, 2007 The genus Actinocephalus comprises 25 species and is restricted to Brazil, occurring mainly in the Espinhaço Mountains of Minas Gerais and Bahia States. Previous anatomical studies have reported the occurrence of intracellular papillae in the Actinocephalus roots, without dealing with their ultrastructure and function.
Oriani, Aline, Scatena, Vera L.
openaire +4 more sources
Ants visiting inflorescences of Actinocephalus polyanthus (Bong.) Sano (Eriocaulaceae)
Biotemas, 2013 Plants from the family Eriocaulaceae have a secretion of nectar in floral structures which promotes insect visitation, including ants. This study evaluated the ant species visiting inflorescences of Actinocephalus polyanthus in coastal dunes in southern ...
Tânia Tarabini Castellani +4 more
doaj +1 more source
Rapid Communications in Mass Spectrometry, 2018 Rationale Actinocephalus divaricatus (Eriocaulaceae) is an important source of income for rural communities as it is sold as an ornamental plant. To date, no investigation has been conducted concerning the chemical composition and biological studies of the aerial ...
Zanatta, Ana C. +6 more
openaire +5 more sources
Psyche: A Journal of Entomology, Volume 2014, Issue 1, 2014., 2014 For the first time, the usage of bromeliad inflorescences as nesting sites for ants and other arthropods was studied. Frequencies of occurrence of nests were recorded from hollow stems of dried infructescences of the bromeliad Vriesea friburgensis on Santa Catarina Island, southern Brazil.
Volker S. Schmid +4 more
wiley +1 more source