Results 31 to 40 of about 1,321 (148)

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

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

Phylogeny of the Neotropical element of the Randia clade (Gardenieae, Rubiaceae, Gentianales) [PDF]

open access: yesPlant Ecology and Evolution, 2021
Background and aims – Generic limits of the tropical tribe Gardenieae (Ixoroideae, Rubiaceae) have partly remained unsettled. We produced a new phylogeny of the Randia clade, with emphasis on its Neotropical clade comprising five genera (Casasia, Randia,
Rodrigo Borges   +3 more
doaj   +3 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

Gentianales

open access: yes, 1992
Brij M Johri   +2 more
exaly   +2 more sources

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

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

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

Phylogenetic Studies in the Gentianales – Approaches at Different Taxonomic Levels

open access: yes, 2005
This thesis deals with phylogenetic relationships at different taxonomic levels. All the plants studied are or have been included in the order Gentianales, which comprises about 17 200 species.
Backlund, Maria
core   +2 more sources

The complete mitochondrial genome of heartbreak grass Gelsemium elegans (Gardner & Champ.) Benth. (Gelsemiaceae)

open access: yesMitochondrial DNA. Part B. Resources, 2019
Gelsemium elegans, endemic to southern Asia, is a highly toxic plant with various medicinal functions. The complete mitochondrial genome of G. elegans was sequenced and assembled in this study.
Yong-Hui Jin   +10 more
doaj   +1 more source

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