Find research datasets worth reusing
Search datasets from major research repositories and use ShareScore to quickly assess how well each record supports discovery, access, and reuse.
164
datasets available to search
ShareScore release 0.9.0
Dataset results
164 results for “Rhamnaceae”
Rapid in situ diversification rates in Rhamnaceae explain the parallel evolution of high diversity in temperate biomes from global to local scales
<p>The macroevolutionary processes that have shaped biodiversity across the temperate realm remain poorly understood and may have resulted from evolutionary dynamics related to diversification rates, dispersal rates, and colonization times, closely coupled with Cenozoic climate change.</p> <p>We integrated phylogenomic, environmental ordination, and macroevolutionary analyses for the cosmopolitan angiosperm family Rhamnaceae to disentangle the evolutionary processes that have contributed to high species diversity within and across temperate biomes.</p> <p>Our results show independent colonization of environmentally similar but geographically separated temperate regions mainly during the Oligocene, consistent with the global expansion of temperate biomes. High global, regional, and local temperate diversity was the result of high <em>in</em> <em>situ</em> diversification rates, rather than high immigration rates or accumulation time, except for Southern China, which was colonized much earlier than other regions. The relatively common lineage dispersals out of temperate hotspots highlights strong source-sink dynamics across the cosmopolitan distribution of Rhamnaceae.</p> <p>The proliferation of temperate environments since the Oligocene may have provided the ecological opportunity for rapid <em>in</em> <em>situ</em> diversification of Rhamnaceae across the temperate realm. Our study illustrates the importance of high <em>in</em> <em>situ</em><strong> </strong>diversification rates for the establishment of modern temperate biomes and biodiversity hotspots across spatial scales.</p>
Frangula caroliniana (Rhamnaceae) - twig - orientation of petioles
Image of Frangula caroliniana (Rhamnaceae) - twig - orientation of petioles
Frangula caroliniana (Rhamnaceae) - fruit - lateral or general close-up
Image of Frangula caroliniana (Rhamnaceae) - fruit - lateral or general close-up
Frangula caroliniana (Rhamnaceae) - fruit - as borne on the plant
Image of Frangula caroliniana (Rhamnaceae) - fruit - as borne on the plant
Frangula caroliniana (Rhamnaceae) - inflorescence - lateral view of flower
Image of Frangula caroliniana (Rhamnaceae) - inflorescence - lateral view of flower
Frangula caroliniana (Rhamnaceae) - twig - orientation of petioles
Image of Frangula caroliniana (Rhamnaceae) - twig - orientation of petioles
Frangula caroliniana (Rhamnaceae) - whole tree (or vine) - general
Image of Frangula caroliniana (Rhamnaceae) - whole tree (or vine) - general
Frangula caroliniana (Rhamnaceae) - bark - of a small tree or small branch
Image of Frangula caroliniana (Rhamnaceae) - bark - of a small tree or small branch
Frangula caroliniana (Rhamnaceae) - bark - of a medium tree or large branch
Image of Frangula caroliniana (Rhamnaceae) - bark - of a medium tree or large branch
Frangula caroliniana (Rhamnaceae) - leaf - showing orientation on twig
Image of Frangula caroliniana (Rhamnaceae) - leaf - showing orientation on twig
Frangula caroliniana (Rhamnaceae) - fruit - lateral or general close-up
Image of Frangula caroliniana (Rhamnaceae) - fruit - lateral or general close-up
Frangula caroliniana (Rhamnaceae) - leaf - whole upper surface
Image of Frangula caroliniana (Rhamnaceae) - leaf - whole upper surface
Frangula caroliniana (Rhamnaceae) - fruit - as borne on the plant
Image of Frangula caroliniana (Rhamnaceae) - fruit - as borne on the plant
Frangula caroliniana (Rhamnaceae) - whole tree (or vine) - general
Image of Frangula caroliniana (Rhamnaceae) - whole tree (or vine) - general
Fig. 4. – Crumenaria erecta Reissek. A in The genus Crumenaria (Rhamnaceae, Gouanieae)
Fig. 4. – Crumenaria erecta Reissek. A. Habit; B. Fruit; C. Flower. [Hassler 10637a, G] [Drawn by María Eugenia Gallegos]
Fig. 6. - Crumenaria lilloi Suess. A in The genus Crumenaria (Rhamnaceae, Gouanieae)
Fig. 6. - Crumenaria lilloi Suess. A. Habit; B. Fruit; C. Flower. [A-B: Hassler 8271, G; C: Hassler 4549, G] [Drawn by María Eugenia Gallegos]
Fig. 1 in The genus Crumenaria (Rhamnaceae, Gouanieae)
Fig. 1. – Geographic distribution of Crumenaria decumbens Mart. () (South American specimens); C. erecta Reissek (); C. glaziovii Urb. (*); C. lilloi Suess. ().
Fig. 5. – Mimosa serra Burkart. A in Tipificaciones y Sinonimia en el Género Crumenaria Mart. (Rhamnaceae) de la Flora del Paraguay
Fig. 5. – Mimosa serra Burkart. A. Racimo; B. Sección del tallo y pecíolo; C. Folíolo, cara adaxial; D. Folíolo, cara abaxial; E. Flor; F. Bráctea floral; G. Flor.
Fig. 3 in Tipificaciones y Sinonimia en el Género Crumenaria Mart. (Rhamnaceae) de la Flora del Paraguay
Fig. 3. – Mimosa dolens var. rigescens (Benth.) Barneby. A. Rama con flores y frutos; B. Folíolo, cara adaxial; C. Folíolo, cara abaxial; D. Detalle de margen de folíolo, cara adaxial; E. Detalle de margen de folíolo, cara abaxial; F. Flor.
Fig. 1. – Mimosa dalyi Barneby. A in Tipificaciones y Sinonimia en el Género Crumenaria Mart. (Rhamnaceae) de la Flora del Paraguay
Fig. 1. – Mimosa dalyi Barneby. A. Rama florífera; B. Sección del raquis primario, mostrando los primeros pares de folíolos; C. Flor.
ScienceDex guides
Understand access before you commit
These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.