Results 31 to 40 of about 8,320 (223)

The stepwise rise of angiosperm-dominated terrestrial ecosystems. [PDF]

open access: yesBiol Rev Camb Philos Soc
ABSTRACT Angiosperms are the most diverse and abundant plant taxon today and dominate the majority of Earth's terrestrial ecosystems. They underwent rapid divergence and biogeographic expansion from the early to the middle Cretaceous. Yet, transformative ecosystem change brought about by the increased ecological dominance of angiosperms unfolded ...
Ding W   +5 more
europepmc   +2 more sources

Morphological differentiation of leaves in the relict tree Zelkova carpinifolia (Ulmaceae) [PDF]

open access: yes, 2015
Zelkova carpinifolia is a relict tree occurring in refugial zones of south-western Eurasia. The main aim of the study was the biometrical comparison of the leaf characteristics of the species sampled in three regions of Transcaucasia.
Boratyńska, Krystyna   +6 more
core   +1 more source

Development and characterization of 20 novel EST‐SSR markers for Pteroceltis tatarinowii, a relict tree in China

open access: yesApplications in Plant Sciences, 2020
Premise Pteroceltis tatarinowii (Ulmaceae), the only species of the genus Pteroceltis, is an endangered tree in China. Here, novel expressed sequence tag–simple sequence repeat (EST‐SSR) markers were developed to illuminate its genetic diversity for ...
Mengyuan Zhang   +6 more
doaj   +1 more source

Plant dispersal across the tropical Atlantic by wind and sea currents [PDF]

open access: yes, 2004
This review brings together evidence on the monophyly and ages of angiosperm lineages ranging across the tropical Atlantic with data on the direction, strength, and speed of sea currents and wind jets across that ocean. Mainly for pragmatic reasons (data
Renner, Susanne S.
core   +1 more source

The first complete chloroplast genome sequences of Ulmus species by de novo sequencing: Genome comparative and taxonomic position analysis.

open access: yesPLoS ONE, 2017
Elm (Ulmus) has a long history of use as a high-quality heavy hardwood famous for its resistance to drought, cold, and salt. It grows in temperate, warm temperate, and subtropical regions.
Li-Hui Zuo   +6 more
doaj   +1 more source

Eocene–early Oligocene climate and vegetation change in southern China: Evidence from the Maoming Basin [PDF]

open access: yes, 2017
Although the Eocene-Oligocene climate transition marks a critical point in the development of the ‘icehouse’ global climate of the present little is known about this important change in the terrestrial realm at low latitudes.
Aleksandrova, Galina N.   +8 more
core   +1 more source

Primer registro de Ulmus ismaelis (Ulmaceae) para Centroamérica

open access: yesRevista Mexicana de Biodiversidad, 2005
SE REGISTRA POR PRIMERA VEZ PARA CENTROAMÉRICA ULMUS ISMAELIS TODZIA ET PANERO (ULMACEAE), SE PROPORCIONA UNA DETALLADA REDESCRIPCIÓN DE LA ESPECIE TAL COMO EXISTE EN LA REGIÓN Y SE COMENTAN ASPECTOS DEL HÁBITAT Y FENOLOGÍA.
JOSÉ L. LINARES
doaj   +1 more source

FAMILIA ULMACEAE

open access: yesFlora del Bajío y de Regiones Adyacentes, 1999
Familia de 15 a 18 géneros y 150 a 200 especies principalmente del Hemisferio Norte, pero extendiéndose a las zonas subtropicales y tropicales del Hemisferio Sur. La madera de algunas especies se usa para construcción, mientras que otras se cultivan con fines ornamentales.
Emmanuel Pérez-Calix   +1 more
openaire   +1 more source

Jumping plant-lice of the Paurocephalinae (Insecta, Hemiptera, Psylloidea): systematics and phylogeny [PDF]

open access: yes, 2003
Much confusion exists with respect to the content and definition of the psyUid subfamily Paurocephalinae. Based on a cladistic analysis of 22 morphological characters (16 adult and 6 larval), the subfamily is redefined to comprise the following five ...
Burckhardt, Daniel, Mifsud, David
core  

Characterization of the Wild Trees and Shrubs in the Fergana Valley: Diversity and Distribution, Threats

open access: yesEcology and Evolution, Volume 16, Issue 5, May 2026.
The content of this paper is significant because it presents the first comprehensive assessment of the dendroflora of the Fergana Valley, contributes to understanding species richness across biogeographic regions, and places the results in the context of Central Asian flora and global biodiversity studies.
Nazokat Daminova   +7 more
wiley   +1 more source

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