Results 61 to 70 of about 674 (159)

Dyckia tubifilamentosa (Pitcairnioideae-Bromeliaceae): a new species from Northeastern Brazil

open access: yesHoehnea
Dyckia tubifilamentosa Wand. & G. Sousa is described and illustrated. It differs from the other species of the genus Dyckia by several distinctive characters, namely: the ovoid shape of the flower buds, the long and exserted staminal tube formed from ...
Maria das Graças Lapa Wanderley   +2 more
doaj   +1 more source

Phylogenetics of Pitcairnioideaes.s. (Bromeliaceae): evidence from nuclear and plastid DNA sequence data [PDF]

open access: yesBotanical Journal of the Linnean Society, 2016
According to recent taxonomic treatments, Bromeliaceae subfamily Pitcairnioideae comprise the genera Deuterocohnia, Dyckia, Encholirium, Fosterella and Pitcairnia. We present a dated molecular phylogenetic analysis of a comprehensive taxon set to enable inferences of evolution in the subfamily.
Nicole Schütz   +3 more
openaire   +1 more source

Foliicolous lichens and their lichenicolous fungi collected during the Smithsonian International Cryptogamic Expedition to Guyana 1996 [PDF]

open access: yes, 1998
A total of 233 foliicolous lichen species and 18 lichenicolous fungi are reported from Guyana as a result of the Smithsonian „International Cryptogamic Expedition to Guyana“ 1996.
Lücking, Robert
core  

Flower and floral trichome morphology of species of Dyckia Schult. f. (Bromeliaceae, Pitcairnioideae), and their importance to species characterization and genus taxonomy

open access: yesActa Botânica Brasílica
This paper presents a morphological analysis of the flower and floral trichomes of three rare species of Dyckia: Dyckia ibicuiensis, D. polyclada and D. racinae.
Jordano Dorval Tavares de Carvalho   +2 more
doaj   +1 more source

Untersuchungen zur Systematik und Phylogenie der Bromeliaceae unter besonderer Berücksichtigung molekularer Merkmale [PDF]

open access: yes, 2003
Die vorliegende Arbeit untersucht die Systematik und phylogenetischen Beziehungen der Familie der Bromeliaceae auf der Basis chloroplastidärer DNA-Sequenzdaten des trnT-trnL-Intergenischen Spacers (33 untersuchte Arten aus 28 Gattungen), des trnL-Introns
Horres, Ralf
core  

Reofitismo : desde a taxonomia aos mecanismos regulatórios [PDF]

open access: yes, 2021
Reófitas constituem um grupo biológico de plantas tolerantes a inundação que na natureza são confinadas a leitos de rios e córregos de água corrente e são submetidas a inundações periódicas ao longo do ano.
Costa, Laís Mara Santana
core  

Rhizome and root anatomy of 14 species of Bromeliaceae

open access: yesRodriguésia
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 environment.
Suzana Lúcia Proença   +1 more
doaj   +1 more source

Genetic relationships and variation in reproductive strategies in four closely related bromeliads adapted to neotropical ‘inselbergs': Alcantarea glaziouana, A. regina, A. geniculata and A. imperialis (Bromeliaceae) [PDF]

open access: yes, 2017
Background and Aims Bromeliads (Bromeliaceae) adapted to rock outcrops or ‘inselbergs' in neotropical rain forests have been identified as suitable plant models for studying population divergence and speciation during continental plant radiations. Little
Barbará, Thelma   +5 more
core  

Comparative leaf anatomy of four species of Bromelioideae (Bromeliaceae) occurring in the Atlantic Forest, Brazil [PDF]

open access: yes, 2011
Bromeliaceae, comprising 3172 species, is one of the most important families of the Brazilian Atlantic Forest owing to its high degree of endemism and occurrence in different habitats.
Azevedo, Aristéa Alves   +3 more
core   +1 more source

Polinização por abelhas em Aechmea caudata lindm., uma bromélia com características ornitófilas, na ilha de Santa Catarina, Sul do Brasil [PDF]

open access: yes, 2012
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Biológicas, Programa de Pós-graduação em Biologia Vegetal, Florianópolis, 2009A maioria das espécies de Bromeliaceae é polinizada por beija-flores, mas borboletas e ...
Kamke, Rafael
core  

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