Results 51 to 60 of about 3,254 (211)

Floral ontogeny links Dialypetalanthus (Condamineeae) with the floral developmental morphology of other Rubiaceae [PDF]

open access: yesPlant Ecology and Evolution, 2022
Background – Vegetative and fruit characters of the Amazonian genus Dialypetalanthus point to a position in Rubiaceae. However, its floral morphology is so deviant that the genus was often placed in a family of its own.
Alexander Vrijdaghs   +4 more
doaj   +3 more sources

Pollen morphology of Rubiaceae Juss. species occurring in an area of caatinga (dryland) vegetation in Bahia State, Brazil Morfologia polínica de espécies de Rubiaceae ocorrentes em uma área de caatinga no estado da Bahia, Brasil

open access: yesActa Botânica Brasílica, 2012
The palynology of the following 16 species of Rubiaceae, from Brejinho das Amestistas, was investigated: Coccocypselum hirsutum Bartl. ex DC., Cordiera rigida Kuntze, Coutarea hexandra K.Schum., Declieuxia fruticosa Kuntze, Diodella apiculata (Willd.
Cristiano Eduardo Amaral Silveira Júnior   +2 more
doaj   +1 more source

Pollen morphology of some species of Spermacoceae s.s. (Rubiaceae) of the Atlantic Forest, Rio de Janeiro, Brazil

open access: yesActa Botânica Brasílica
This work aimed to morphologically characterize 22 species of Spermacoceae s.s found in the Atlantic Forest in the state of Rio de Janeiro with the purpose of improving palynological knowledge of the studied species.
Vania Gonçalves-Esteves   +4 more
doaj   +1 more source

Flora of Ceará, Brazil:Ditassa (Asclepiadoideae/Apocynaceae)

open access: yesRodriguésia, 2021
This study aimed to carry out a taxonomic floristic survey of species in the genus Ditassa (Asclepiadoideae/Apocynaceae), as part of the “Flora do Ceará: knowing to conserve” project.
Diego Costa Farias   +4 more
doaj   +1 more source

Distribution, structural and ecological aspects of the unusual leaf nectaries of Calolisianthus species (Gentianaceae) [PDF]

open access: yes, 2011
Nectaries in leaves of Gentianaceae have been poorly studied. The present study aims to describe the distribution, anatomy, and ecological aspects of extrafloral nectaries (EFNs) of three Calolisianthusspecies and in particular the ultrastructure of EFNs
Azevedo, Aristéa Alves   +4 more
core   +2 more sources

Identification of novel and conserved microRNAs in Coffea canephora and Coffea arabica [PDF]

open access: yesGenetics and Molecular Biology, 2014
As microRNAs (miRNAs) are important regulators of many biological processes, a series of small RNAomes from plants have been produced in the last decade.
Guilherme Loss-Morais   +4 more
doaj   +3 more sources

Resolution effects in reconstructing ancestral genomes

open access: yesBMC Genomics, 2018
Background The reconstruction of ancestral genomes must deal with the problem of resolution, necessarily involving a trade-off between trying to identify genomic details and being overwhelmed by noise at higher resolutions.
Chunfang Zheng   +3 more
doaj   +1 more source

Keanekaragaman Parasitoid Dan Artropoda Predator Pada Pertanaman Kelapa Sawit Dan Padi Sawah Di Cindali, Kabupaten Bogor [PDF]

open access: yes, 2016
Diversity of parasitoid and predator arthropod in oil palm and paddy field at Cindali, Bogor Regency. Biodiversity can be defined as the diversity of living things in various places to the riches on earth. Insects as one of the components of biodiversity
Maryana, N. (Nina)   +2 more
core   +3 more sources

Hemisyncarpy and appendicular nectary approached by floral ontogeny of Mandevilla velame (A. St.-Hil.) Pichon, Apocynoideae [PDF]

open access: yes, 2008
Pichon é um subarbusto com peculiar indumento albo-lanoso e flores vistosas brancas. Objetivando contribuir para o conhecimento morfológico desta espécie, estádios de desenvolvimento de suas flores foram documentados em microscopia eletrônica de ...
Castro, Marília de Moraes   +2 more
core   +3 more sources

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