Results 101 to 110 of about 22,733 (259)

Identidad Taxonómica de los ‘Talas’: Análisis morfológico de Celtis tala y Celtis pallida (Celtidaceae)

open access: yesBoletín de la Sociedad Argentina de Botánica, 2018
El género Celtis L. (Celtidaceae) comprende unos 70 taxones de árboles o arbustos de regiones templadas y tropicales. En la Argentina habitan cuatro especies, todas pertenecientes al subgénero Mertensia Planch., cuya similitud y variabilidad inter e ...
Orgelina Asmus   +4 more
doaj   +1 more source

Notes on the Life Histories of \u3ci\u3eAcrosternum Hilare\u3c/i\u3e and \u3ci\u3eCosmopepla Bimaculata\u3c/i\u3e (Heteroptera: Pentatomidae) in Southern Illinois [PDF]

open access: yes, 2018
The life histories of Acrosternum hilare and Cosmopepla bimaculata were studied in southern Illinois from May 1972 to September 1974 and from September 1992 to June 1995.
McPherson, J. E, Tecic, D. L
core   +2 more sources

Update of the Xylella spp. host plant database – Systematic literature search up to 30 June 2025

open access: yesEFSA Journal, Volume 24, Issue 1, January 2026.
Abstract This scientific report provides an update of the Xylella spp. host plant database, aiming to provide information and scientific support to risk assessors, risk managers and researchers dealing with Xylella spp. Upon a mandate of the European Commission, EFSA created and regularly updates a database of host plant species of Xylella spp.
European Food Safety Authority (EFSA)   +8 more
wiley   +1 more source

Field observations: Photoperiod response and yield of hemp at various latitudes throughout New Mexico

open access: yesAgrosystems, Geosciences &Environment, Volume 8, Issue 4, December 2025.
Abstract There has been a rapid increase in research to understand the genetic and agroclimatic interactions of hemp (Cannabis sativa L.) relative to its economic viability. Initial field trials at New Mexico State University were conducted in 2021 and 2022 at three sites across the state for high‐cannabidiol (CBD), grain, and fiber hemp types.
Hanah T. Rheay   +3 more
wiley   +1 more source

Anatomical and Palynological Characters of Celtis L. In Kurdistan-Iraq

open access: yesScience Journal of University of Zakho, 2017
Anatomical and palynological characters of Celtis genus growing in Iraq were studied in an attempt to provide useful features to delimit taxa and to refine taxonomic relationships.
Saleem E. Shahbaz, Nazar M. Sharif
doaj   +1 more source

Rhamnopyranosylvitexin derivatives from Celtis australis [PDF]

open access: yesJournal of the Serbian Chemical Society, 2010
A methanolic extract of Celtis australis leaves yielded 2’’-α-rhamno¬pyranosylvitexin and 2’’-α-rhamnopyranosyl-7-O-methylvitexin. Both com¬pounds are known from other sources from earlier investigations but the full NMR data for the latter compound are ...
MARGARETHE KALTENHAUSER   +2 more
doaj  

Bioactive Phenolic Amides from Celtis africana

open access: yesMolecules, 2012
Nine compounds have been isolated for the first time from Celtis africana, namely trans-N-coumaroyltyramine (1), trans-N-feruloyltyramine (2), trans-N-caffeoyltyramine (3), lauric acid (4), oleic acid (5), palmitic acid (6), lupeol (7), β-sitosterol (8 ...
Nighat Afza   +7 more
doaj   +1 more source

Biomineralizaciones de sílice en Celtis tala¹ (Celtidaceae) Silica biomineralizations in Celtis tala (Celtidaceae)

open access: yesBoletín de la Sociedad Argentina de Botánica, 2005
Se estudió la asociación fitolítica de Celtis tala Planchon, su composición química y variabilidad morfológica, analizándose por separado los morfotipos presentes en hoja, tallo y fruto.
Mariana Fernández Honaine   +2 more
doaj  

A Russian discovery in the Arctic ocean at the time of Columbus

open access: yesNordlit: Tidsskrift i litteratur og kultur, 2017
In the last decades of the fifteenth century, at least three texts by Italian and German humanists included reports on an Arctic island newly discovered by the Russians.
Leonid S. Chekin
doaj   +1 more source

Considerations on the Identity and Delimitation of Celtis chichape (Wedd.) Miq. (Celtidaceae) [PDF]

open access: yes, 2014
En la presente contribución se analizan los criterios usados por varios autores para interpretar la identidad de Celtis chichape (Wedd.) Miq. (Celtidaceae).
Oakley, Luis Jorge, Prado, Darien Eros
core  

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