Results 71 to 80 of about 20,462 (204)

Unraveling cryptic lineages in Jatropha nana: phylogenetic evidence supports species status for J. benghalensis (Euphorbiaceae)

open access: yesNordic Journal of Botany, EarlyView.
The taxonomic framework of the genus Jatropha (Euphorbiaceae) is well established, but its geophytic species present significant classification challenges. These difficulties arise from species complexes, cryptic traits, and high environmental and phenotypic variability.
Seema   +2 more
wiley   +1 more source

Phylogeny and historical biogeography of Lauraceae [PDF]

open access: yes, 2000
Phylogenetic relationships among 122 species of Lauraceae representing 44 of the 55 currently recognized genera are inferred from sequence variation in the chloroplast and nuclear genomes.
Chanderbali, Andre S.   +2 more
core   +1 more source

Molecular phylogeny reveals the non-monophyly of tribe Yinshanieae (Brassicaceae) and description of a new tribe, Hillielleae

open access: yesPlant Diversity, 2016
The taxonomic treatment within the unigeneric tribe Yinshanieae (Brassicaceae) is controversial, owing to differences in generic delimitation applied to its species.
Hongliang Chen   +4 more
doaj   +1 more source

Lepidagathis konkanensis sp. nov. (Acanthaceae: Barlerieae) from Lateritic Plateaus of Konkan Region of Western Ghats based on morphological and molecular evidence

open access: yesNordic Journal of Botany, EarlyView.
Lepidagathis konkanensis, a new species from the lateritic plateaus of the Konkan region in Maharashtra, India, is described and illustrated based on distinct morphological and molecular characters. Morphologically and phylogenetically, this species is close to L. mahakassapae and L. dalzelliana, but it can be distinguished by its compact inflorescence,
Anant Prakash Patil   +4 more
wiley   +1 more source

Genetic Characterization of an Endangered Chilean Endemic Species, Prosopis burkartii Muñoz, Reveals its Hybrids Parentage

open access: yesPlants, 2020
The hybridization of Prosopis burkartii, a critically endangered endemic species, and the identification of its paternal species has not been genetically studied before. In this study we aimed to genetically confirm the origin of this species. To resolve
Roberto Contreras   +4 more
doaj   +1 more source

Taxonomy and diversity of Marcgraviaceae, north of the São Francisco river, northeast Brazil

open access: yesNordic Journal of Botany, EarlyView.
This study provides a comprehensive assessment of Marcgraviaceae species diversity north of the São Francisco river in northeastern Brazil, analyzing species richness and distribution patterns across 384 000 km² of phytogeographic domains. Through field collections, herbarium studies (both physical and digital), and detailed morphological analyses, we ...
Thales Carvalho   +4 more
wiley   +1 more source

Resurrection of the genus Staphisagria J. Hill, sister to all the other Delphinieae (Ranunculaceae) [PDF]

open access: yes, 2011
Molecular sequence data show that the three species of Delphinium subg. Staphisagria (J. Hill) Peterm. form the sister clade to Aconitum L., Aconitella Spach, Consolida (DC.) S.F. Gray, and all remaining species of Delphinium L.
Jabbour, Florian, Renner, Susanne S.
core   +3 more sources

Application of rps16 Intron and trnL-trnF Intergenic Spacer Sequences to Identify Rengas Clone Riau

open access: yesBiosaintifika: Journal of Biology & Biology Education, 2017
Rengas clone Riau has been identified using morphological characters and molecular technique with a psbA-trnH intergenic spacer, however, this method can only determine its taxonomic status at genus level, namely Gluta sp.  This study reports application
Dewi Indriyani Roslim, Herman Herman
doaj   +1 more source

Pitardia resurrected: A new member of subtribe Menthinae (Lamiaceae)

open access: yesTAXON, EarlyView.
Abstract Despite tremendous progress towards clarifying phylogenetic relationships within the mint family (Lamiaceae), uncertainty remains regarding relationships among some major clades as well as the proper placement of some genera. While researching the genus Nepeta, a species from northeastern Morocco, N.
Abdelmonaim Homrani Bakali   +3 more
wiley   +1 more source

Three novel science activities relating to the structure of the atom, bioinformatics, and the denaturation of protein [PDF]

open access: yes, 2013
Plan B Paper. 2013. Master of Science in Education- Physics--University of Wisconsin-River Falls. Physics Department. 30 leaves. Includes bibliographical references (leaf 10).This paper describes three novel activities that were designed to teach ...
Duerst, Robert
core   +1 more source

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