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295
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ShareScore release 0.9.0
Dataset results
295 results for “Rhododendron”
Rhododendron catawbiense (Ericaceae) - twig - orientation of petioles
Image of Rhododendron catawbiense (Ericaceae) - twig - orientation of petioles
Rhododendron catawbiense (Ericaceae) - leaf - margin of upper + lower surface
Image of Rhododendron catawbiense (Ericaceae) - leaf - margin of upper + lower surface
Rhododendron catawbiense (Ericaceae) - inflorescence - whole - unspecified
Image of Rhododendron catawbiense (Ericaceae) - inflorescence - whole - unspecified
Rhododendron catawbiense (Ericaceae) - whole tree (or vine) - general
Image of Rhododendron catawbiense (Ericaceae) - whole tree (or vine) - general
Rhododendron catawbiense (Ericaceae) - inflorescence - lateral view of flower
Image of Rhododendron catawbiense (Ericaceae) - inflorescence - lateral view of flower
Rhododendron catawbiense (Ericaceae) - inflorescence - frontal view of flower
Image of Rhododendron catawbiense (Ericaceae) - inflorescence - frontal view of flower
Rhododendron catawbiense (Ericaceae) - whole tree (or vine) - general
Image of Rhododendron catawbiense (Ericaceae) - whole tree (or vine) - general
Rhododendron catawbiense (Ericaceae) - bark - of a medium tree or large branch
Image of Rhododendron catawbiense (Ericaceae) - bark - of a medium tree or large branch
The symmetry spectrum in a hybridising, tropical group of rhododendrons
<p>Many diverse plant clades possess bilaterally symmetrical flowers and specialized pollination syndromes suggesting these traits may promote diversification. We examine the evolution of diverse floral morphologies and the association with diversification history in a species-rich tropical radiation of <em>Rhododendron</em>. We used restriction-site associated DNA sequencing on 114 taxa from <em>Rhododendron</em> sect. <em>Schistanthe</em> to reconstruct phylogenetic relationships, infer colonization of Southeast Asia and examine hybridization. We then captured and quantified floral variation using geometric morphometric analyses which we interpret in a phylogenetic context. We uncovered phylogenetic complexity caused by introgression within and between clades. Morphometric analyses revealed flower symmetry to be a morphological continuum without a clear transition from radial to bilateral symmetry. The largest radiation of tropical <em>Rhododendron</em> species is associated with an expansion into novel floral morphological space as species diversified in New Guinea about 6 million years ago. Our results showed that the recent radiation of tropical <em>Rhododendron</em> is a consequence of hybridization, genetic isolation caused by mountain building, and the evolution of floral novelty. Floral variation evolved via changes to multiple components of the corolla that are only recognized in geometric morphometrics with both front and side views of flowers.</p>
Rhododendron alabamense (Ericaceae) - fruit - section or open
Image of Rhododendron alabamense (Ericaceae) - fruit - section or open
Rhododendron alabamense (Ericaceae) - twig - close-up winter terminal bud
Image of Rhododendron alabamense (Ericaceae) - twig - close-up winter terminal bud
Rhododendron alabamense (Ericaceae) - twig - close-up winter terminal bud
Image of Rhododendron alabamense (Ericaceae) - twig - close-up winter terminal bud
Rhododendron alabamense (Ericaceae) - twig - close-up winter terminal bud
Image of Rhododendron alabamense (Ericaceae) - twig - close-up winter terminal bud
Rhododendron maximum (Ericaceae) - bark - of a medium tree or large branch
Image of Rhododendron maximum (Ericaceae) - bark - of a medium tree or large branch
Rhododendron maximum (Ericaceae) - twig - orientation of petioles
Image of Rhododendron maximum (Ericaceae) - twig - orientation of petioles
Rhododendron maximum (Ericaceae) - inflorescence - close-up of flower interior
Image of Rhododendron maximum (Ericaceae) - inflorescence - close-up of flower interior
Rhododendron maximum (Ericaceae) - inflorescence - frontal view of flower
Image of Rhododendron maximum (Ericaceae) - inflorescence - frontal view of flower
Rhododendron maximum (Ericaceae) - inflorescence - whole - unspecified
Image of Rhododendron maximum (Ericaceae) - inflorescence - whole - unspecified
Rhododendron maximum (Ericaceae) - leaf - whole upper surface
Image of Rhododendron maximum (Ericaceae) - leaf - whole upper surface
Rhododendron maximum (Ericaceae) - whole tree (or vine) - general
Image of Rhododendron maximum (Ericaceae) - whole tree (or vine) - general
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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.