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588 results for “Solidago”
Fig. 4. Key 1H–1H in Comprehensive characterization of polyacetylenes and diterpenes from the underground parts of Solidago altissima L. and their contribution to the overall allelopathic activity
Fig. 4. Key 1H–1H COSY (bold dark lines), HMBC (red arrows), and NOESY (blue arrows) correlations of compounds 2–4. (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)
Data from: Next-generation sampling: pairing genomics with herbarium specimens provides species-level signal in Solidago (Asteraceae)
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The dominant plant species Solidago canadensis structures multiple trophic levels in an old-field ecosystem
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Polyploidization contributes to evolution of competitive ability: a long term common garden study on the invasive Solidago canadensis in China
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Data from: Genus-wide microsatellite primers for the goldenrods (Solidago; Asteraceae)
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Are Palmer’s elm-leaf goldenrod and the smooth elm-leaf goldenrod real? The Angiosperms353 kit provides within-species signal in Solidago ulmifolia s.l.
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Data from: Solidago altissima differs with respect to ploidy frequency and clinal variation across the prairie-forest biome border in Minnesota
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Data from: Drought affects the coordination of belowground and aboveground resource-related traits in Solidago canadensis in China
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Data from: Population genetics and adaptation along elevation gradients in invasive Solidago canadensis
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Data from: Maintenance of soil ecotypes of Solidago virgaurea in close parapatry via divergent flowering time and selection against immigrants
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Microsatellite data from: Multiple colonizations and genetic differentiation from the mainland populations in insular populations of the perennial herb Solidago virgaurea complex (Asteraceae) on recently formed nearshore oceanic islands
<p><b>Aim: </b>Although the evolution of island endemic plants has long been investigated, the majority of such studies have focused on species with remarkable levels of morphological variation and on islands substantially far from the mainland. Except for a few examples such as the Canary Islands, endemic plants on nearshore oceanic islands have received less attention. In this study, we examined the <i>Solidago virgaurea </i>complex on the Japanese mainland Honshu and the adjacent Izu Islands to investigate the population genetic structure and dynamics in plants endemic to nearshore and recently formed oceanic islands.</p> <p><b>Location: </b>Japanese mainland Honshu and the adjacent Izu Islands</p> <p><b>Taxon: </b><i>Solidago virgaurea</i> (Asteraceae)</p> <p><b>Methods: </b>Sixteen and nine populations of <i>S. virgaurea</i> complex were sampled from the mainland and islands, respectively; phylogeographic and population genetics analyses were performed using plastid DNA and nuclear microsatellite DNA variations.</p> <p><b>Results: </b>Phylogenetically close plastid DNA haplotypes were shared between the mainland and islands, although the populations of <i>S. virgaurea</i> from different islands tended to exhibit phylogenetically distinct haplotypes. Admixture analyses based on nuclear DNA variations revealed distinct genetic structures between the mainland and island populations. Gene flow among islands is restricted but may partially offset genetic drift on each island.</p> <p><b>Main conclusions: </b>The genetic structure observed in this study may not have originated from a single dispersal event and successive expansion but rather from at least three colonization events and subsequent gene flow among island populations. Based on the nuclear DNA variations, the Izu Island populations of <i>S. virgaurea</i> are genetically distinct from the mainland ones. Repeated colonization events may have provided sufficient genetic diversity, which would generally be susceptible to founder effects and exert a driving force for evolutionary adaptation, to these oceanic island populations.</p>
Supplementary material 1 from: Pliszko A, Kostrakiewicz-Gierałt K, Makuch-Pietraś I (2023) The effect of site conditions and type of ramet clusters on sexual and asexual ramets of Solidago × niederederi (Asteraceae). NeoBiota 85: 125-143. https://doi.org/10.3897/neobiota.85.98796
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Fig. 7. Predictable biosynthesis pathway for some polyacetylenes and acetylenes from S in Comprehensive characterization of polyacetylenes and diterpenes from the underground parts of Solidago altissima L. and their contribution to the overall allelopathic activity
Fig. 7. Predictable biosynthesis pathway for some polyacetylenes and acetylenes from S. altissima.
Fig. 2 in Comprehensive characterization of polyacetylenes and diterpenes from the underground parts of Solidago altissima L. and their contribution to the overall allelopathic activity
Fig. 2. Chemical structures of compounds 1–10 isolated from the underground parts of S. altissima.
FIG. 1 in Internal secretory structures and chemical compounds in leaves of Conyza bonariensis (L.) Cronquist and Solidago chilensis Meyen (Asteraceae, Astereae)
FIG. 1. — Cavities and false duct in cross section view: A, Solidago chilensis Meyen, primary vein showing next to phloem a cavity with uniseriate epithelium of eight cells surrounded by one cycled layer of attached parenchyma cells, all enclosed in the parenchyma sheath; B, Conyza bonariensis (L.) Cronquist, primary vein showing next to phloem a cavity with uniseriate epithelium of 8 cells surrounded by two cycled layers of attached parenchyma cells, all enclosed in the parenchyma sheath. Abbreviations: Apc, attached parenchyma cells; Cs, cavity space; Ec, epithelial cells; Ph, phloem; Ps, parenchyma sheath. Scale bars: 100 µm.
FIG. 5 in Internal secretory structures and chemical compounds in leaves of Conyza bonariensis (L.) Cronquist and Solidago chilensis Meyen (Asteraceae, Astereae)
FIG. 5. — Paradermal view of cavity shapes in Solidago chilensis Meyen: A, detail of areola, solitary cavities triangular among the veins and round shaped at the end of the minor veins and in the mesophyll; B, oblong-elongated cavity; C, oblong-rounded cavity at the end of veinlet 6th order; D, triangular cavity. Abbreviation: Oe, oblique end cells. Scale bars: A, 1 mm; B-D, 100 µm.
FIG. 6 in Internal secretory structures and chemical compounds in leaves of Conyza bonariensis (L.) Cronquist and Solidago chilensis Meyen (Asteraceae, Astereae)
FIG. 6. — Histochemical and phytochemical tests: A-D, G, Conyza bonariensis (L.) Cronquist: A, leaf cross section (CS) showing a cavity with resins (solution of copper sulphate); B, paradermal view (PV) of two cavities, the cavity space filled with resins and phenolic compounds (Toluidine blue "O"); C, starch grains in parenchyma sheath cells (IKI test); D, leaf CS showing droplets in a cavity (Oil red "O"); E, F, H, Solidago chilensis Meyen: E, median leaf CS showing two cavities with resins and phenolic compounds; F, leaf CS displaying a cavity with essential oil droplets. Saponins: G, H, foam columns; G, less than 1 cm high; H, more than 2 cm high. Abbreviations: ABE, abaxial epidermis; ADE, adaxial epidermis; MES, mesophyll; Od, oil droplets; Pc, phenolic compounds; Rs, resins; Sg, starch grains. Scale bars: A-F, 100 µm; G, H, 1 cm.
FIG. 4 in Internal secretory structures and chemical compounds in leaves of Conyza bonariensis (L.) Cronquist and Solidago chilensis Meyen (Asteraceae, Astereae)
FIG. 4. — Cavities (blue colour) on abaxial side in paradermal view: A, Conyza bonariensis (L.) Cronquist, showing 1ST to 3rd vein orders with oblong cavities and false duct, and in 4th order veins solitary cavity or in small groups; B, Solidago chilensis Meyen, showing linear cavities enclosed in false duct in the first, second and third vein orders, cavities oblong, triangular, rounded in veins of 4th to 6th orders. Abbreviations: 1-4, vein orders. Scale bars: 1 mm.
FIG. 2 in Internal secretory structures and chemical compounds in leaves of Conyza bonariensis (L.) Cronquist and Solidago chilensis Meyen (Asteraceae, Astereae)
FIG. 2. — Cavities and false duct in paradermal view: A, B, Solidago chilensis Meyen: A, false duct in surface, formed by attached parenchyma cells enveloping the cavities; B, large cavity showing lipophilic substances in the cavity space, oil droplets in epithelial cells, and attached parenchyma cells; C, Conyza bonariensis (L.) Cronquist, two cavities with oblique and superimposed ends, surrounded by several layers of attached parenchyma cells. Abbreviations: Apc, attached parenchyma cells; Cavs, cavities; Od, oil droplets in epithelial cells; Oe, oblique end cells; Ps, parenchyma sheath; Scale bars: 100 µm.
Solidago virgaurea L. (BR0000011777250)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
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