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1,808 results for “Flowering plants”
Data from: A metacalibrated time-tree documents the early rise of flowering plant phylogenetic diversity
The establishment of modern terrestrial life is indissociable from angiosperm evolution. While available molecular clock estimates of angiosperm age range from the Paleozoic to the Late Cretaceous, the fossil record is consistent with angiosperm diversification in the Early Cretaceous. The time-frame of angiosperm evolution is here estimated using a sample representing 87% of families and sequences of five plastid and nuclear markers, implementing penalized likelihood and Bayesian relaxed clocks. A literature-based review of the palaeontological record yielded calibrations for 137 phylogenetic nodes. The angiosperm crown age was bound within a confidence interval calculated with a method that considers the fossil record of the group. An Early Cretaceous crown angiosperm age was estimated with high confidence. Magnoliidae, Monocotyledoneae and Eudicotyledoneae diversified synchronously 135–130 million yr ago (Ma); Pentapetalae is 126–121 Ma; and Rosidae (123–115 Ma) preceded Asteridae (119–110 Ma). Family stem ages are continuously distributed between c. 140 and 20 Ma. This time-frame documents an early phylogenetic proliferation that led to the establishment of major angiosperm lineages, and the origin of over half of extant families, in the Cretaceous. While substantial amounts of angiosperm morphological and functional diversity have deep evolutionary roots, extant species richness was probably acquired later.
FIGURE 1. Raphiocarpus bicallosus. A. Intact flowering shoot. B. Flattened plant parts. C, D. Internodes and prophylls. E. Leaf petiole. F in The checklist of Raphiocarpus species (Gesneriaceae, Didymocarpinae) in the flora of Vietnam with the description of a new species, R. bicallosus
FIGURE 1. Raphiocarpus bicallosus. A. Intact flowering shoot. B. Flattened plant parts. C, D. Internodes and prophylls. E. Leaf petiole. F. Leaves, adaxial and abaxial side. G. Median part and margin of the leaf blade, adaxial surface. H. Peduncle. I. Young inflorescence. J. Intact inflorescences. K. Flower buds and flowers, side and half-side views. L. Calyx segments. M. Intact perianth, frontal view. N. Perianth tube, views outside and inside with details of stamens and staminodia. O. Pistil. P. Distal part of pistil and stigma. Q. Ripening fruit. All photos made from the plant used for the type preparation, NHC 20211124004. Photos, correction, and plate design by Cuong Huu Nguyen and L. Averyanov.
FIGURE 3. Bulbophyllum fenestratum. A. Flowering plant. B. Inflorescence. C. Flower bracts. D. Flower, viewa from different sides. E in Bulbophylum sect. Cirhopetallum s. str. (Orchidaceae) in Vietnam with the description of a new species, B. thangii, and a new national record, B. fenestratum
FIGURE 3. Bulbophyllum fenestratum. A. Flowering plant. B. Inflorescence. C. Flower bracts. D. Flower, viewa from different sides. E. Flower, with median sepal removed, side view. F. Dorsal sepal, abaxial and adaxial side. G. Lateral sepal, abaxial and adaxial side. H. Magnified margin of lateral sepal. I. Petal, adaxial and abaxial side. J. Lip, views from different sides. K. Pedicel, ovary column, and lip, side view. L & M. Column apex, half-side view. N. Column, side view. O. Anther cap, view from above and from below. P. Pollinaria. All photo by Truong Ba Vuong from specimen BV 1737, photo correction and design by L. Averyanov and T. Maisak.
FIGURE 1. Bulbophyllum annamense. A. Flowering plant. B. Leaf apex, adaxial side. C. Inflorescence with peduncle. D. Inflorescence. E in Bulbophylum sect. Cirhopetallum s. str. (Orchidaceae) in Vietnam with the description of a new species, B. thangii, and a new national record, B. fenestratum
FIGURE 1. Bulbophyllum annamense. A. Flowering plant. B. Leaf apex, adaxial side. C. Inflorescence with peduncle. D. Inflorescence. E. Flower, half-side view. F. Flower, with lateral sepals removed, side view. G. Dorsal sepal, abaxial and adaxial side. H & I. Apex of median sepal. J. Lateral sepals, adaxial and abaxial side. K. Petals, abaxial and adaxial side. L. Lip, views from different sides. M. Pedicel, ovary, and column, side view. N. Ovary and column, side view. O. Column apex. P. Anther cap, view from above and from below. Q. Pollinaria. All photo by Truong Ba Vuong from specimen BV 628, photo correction and design by L. Averyanov and T. Maisak.
FIGURE 4. Bulbophyllum thangii. A. Flowering plant. B in Bulbophylum sect. Cirhopetallum s. str. (Orchidaceae) in Vietnam with the description of a new species, B. thangii, and a new national record, B. fenestratum
FIGURE 4. Bulbophyllum thangii. A. Flowering plant. B. Pseudobulb and leaf, abaxial side. C. Inflorescence. D. Floral bracts. E. Flowers, views from different sides. F. Proximal part of flowers, front and side view. G. Dorsal sepal, adaxial and abaxial side. H. Lateral sepals, adaxial and abaxial side. I. Petals, adaxial and abaxial side. J. Lip, views from different sides. K. Column, petals and lip, side view. L. Column and lip, side view. M. Pedicel, ovary and column. N. Column, view from back. O. Column apex, front view. P. Anther cap, view from above and from below. Q. Pollinarium. All photo by Truong Ba Vuong from the type specimen (BV 1775), photo correction and design by L. Averyanov and T. Maisak.
Dataset from: Parapatric and sympatric adaptation of Setaria viridis populations in Japan to heterogeneous coastal habitats via trait divergence of plant form, salt spray tolerance and flowering time
<p>This study aimed to determine how coastal variants of<em> </em>plants arise from local populations under natural selection by studying variations in phenotypic variations and survival of <em>Setaria viridis</em> populations inhabiting mosaic environments of two seashores in Japan. <em>S.viridis</em> populations comprised five coastal variants showing significantly higher salt spray tolerance than the inland variant: ST, short and tolerant (common variant); TM, tall and mid-tolerant (Inland Sea); TT, tall and tolerant; PT, prostrate and tolerant; L, extremely late flowering; I, inland and susceptible variants. These variations imply that maritime plants first acquired salt spray tolerance for survival, after which compact plants evolved in habitats where strong winds caused damage from salt spray. Results indicate that diverse intensities of salt spray and winds as well as summer drought generated various coastal variations in parapatry and sympatry.</p>
Plant-flower visitor interactions recorded in Argentina (Buenos Aires: Carlos Casares county)
<p>Data set 1</p> <table> <tbody> <tr> <td>FIELD NAME</td> <td>VALUE</td> </tr> <tr> <td>Dataset Title</td> <td>Plant-flower visitor interactions recorded in 21 sites in Argentina (Buenos Aires: Carlos Casares county) by Tania Palacios in 2018</td> </tr> <tr> <td>Abstract</td> <td>522 records of plant-flower visitor interactions, recorded in 21 sites in Argentina (Buenos Aires: Carlos Casares county). The records were taken in the field by Tania Palacios, curated by Julia Tavella, and transformed to meet FAIR principles by Rocío Ana González Vaquero. Morphospecies are detailed in identificationRemarks. Data collection was supported by grants UBACyT 20020170100778BA and PICT 2017-4111, Argentina. Data standardization was supported by grant European Commission-EU 101058393.</td> </tr> <tr> <td>Classification System</td> <td>GBIF</td> </tr> <tr> <td>Sampling Description</td> <td>Two 100 m-long “variable transects” in field margins or 50/100 m from the field margin, were walked simultaneously by two trained observers for 20 minutes.</td> </tr> </tbody> </table> <p> </p> <p>Data set 2</p> <table> <tbody> <tr> <td>FIELD NAME</td> <td>VALUE</td> </tr> <tr> <td>Dataset Title</td> <td>Plant-flower visitor interactions recorded in 49 sites in Argentina (Buenos Aires: Carlos Casares county) by Marcos Monasterolo (2013-15) and Antonio López Carretero (2016)</td> </tr> <tr> <td>Abstract</td> <td>2471 records of plant-flower visitor interactions, recorded in 49 sites in Argentina (Buenos Aires: Carlos Casares county). The records were taken in the field by Marcos Monasterolo and Antonio López Carretero, curated by Julia Tavella, and transformed to meet FAIR principles by Rocío Ana González Vaquero. Morphospecies are detailed in identificationRemarks. Data collection was supported by FONCyT, UBA, CONICET, Fundación Banco Galicia, and Syngenta Agro, Argentina. Data standardization was supported by grant European Commission-EU 101058393.</td> </tr> <tr> <td>Classification System</td> <td>GBIF</td> </tr> <tr> <td>Sampling Description</td> <td>One 100 m-long “variable transect” was walked by one trained observer for 40 minutes (Monasterolo et al. 2020).</td> </tr> </tbody> </table> <p> </p> <p> </p>
Viola palmata (Violaceae) - whole plant - in flower - general view
Image of Viola palmata (Violaceae) - whole plant - in flower - general view
Orobanche uniflora (Orobanchaceae) - whole plant - in flower - general view
Image of Orobanche uniflora (Orobanchaceae) - whole plant - in flower - general view
Viola palmata (Violaceae) - whole plant - in flower - general view
Image of Viola palmata (Violaceae) - whole plant - in flower - general view
Pedicularis canadensis (Scrophulariaceae) - whole plant - in flower - general view
Image of Pedicularis canadensis (Scrophulariaceae) - whole plant - in flower - general view
Amsonia tabernaemontana (Apocynaceae) - whole plant - in flower - general view
Image of Amsonia tabernaemontana (Apocynaceae) - whole plant - in flower - general view
Enemion biternatum (Ranunculaceae) - whole plant - in flower - general view
Image of Enemion biternatum (Ranunculaceae) - whole plant - in flower - general view
Hydrastis canadensis (Ranunculaceae) - whole plant - in flower - general view
Image of Hydrastis canadensis (Ranunculaceae) - whole plant - in flower - general view
Orobanche uniflora (Orobanchaceae) - whole plant - in flower - general view
Image of Orobanche uniflora (Orobanchaceae) - whole plant - in flower - general view
Orobanche uniflora (Orobanchaceae) - whole plant - in flower - general view
Image of Orobanche uniflora (Orobanchaceae) - whole plant - in flower - general view
Ranunculus fascicularis (Ranunculaceae) - whole plant - in flower - general view
Image of Ranunculus fascicularis (Ranunculaceae) - whole plant - in flower - general view
Lithospermum caroliniense (Boraginaceae) - whole plant - in flower - general view
Image of Lithospermum caroliniense (Boraginaceae) - whole plant - in flower - general view
Oxalis violacea (Oxalidaceae) - whole plant - in flower - general view
Image of Oxalis violacea (Oxalidaceae) - whole plant - in flower - general view
Thalictrum thalictroides (Ranunculaceae) - whole plant - in flower - general view
Image of Thalictrum thalictroides (Ranunculaceae) - whole plant - in flower - general view
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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.