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283 results for “Plantaginaceae”
Fig. 4 in Altai Mountains - cradle of hybrids and introgressants: A case study in Veronica subg. Pseudolysimachium (Plantaginaceae)
Fig. 4. STRUCTURE results showing the probability of ancestry of each individual (horizontal axis) to each of K = 2 populations (vertical axis) in all the five scenarios. A, Veronica spicata × V. pinnata; B, V. incana and V. longifolia; C, V. longifolia and V. porphyriana; D & E, V. pinnata and V. porphyriana involving putative hybrids of V. ×schmakovii and V. ×sessiliflora. Details of the exact posterior probabilities of each putative hybrid individual and their corresponding parents are given in suppl. Table S3.
Plantago rugelii (Plantaginaceae) - fruit - section or open
Image of Plantago rugelii (Plantaginaceae) - fruit - section or open
Plantago rugelii (Plantaginaceae) - fruit - as borne on the plant
Image of Plantago rugelii (Plantaginaceae) - fruit - as borne on the plant
Plantago rugelii (Plantaginaceae) - fruit - lateral or general close-up
Image of Plantago rugelii (Plantaginaceae) - fruit - lateral or general close-up
Plantago rugelii (Plantaginaceae) - leaf - basal or on lower stem
Image of Plantago rugelii (Plantaginaceae) - leaf - basal or on lower stem
Plantago rugelii (Plantaginaceae) - fruit - juvenile
Image of Plantago rugelii (Plantaginaceae) - fruit - juvenile
Linked collectors and determiners for: A new combination for a neglected member of Linaria subsect. Versicolores (Plantaginaceae, Antirrhineae) endemic to the Algarve, Portugal.
Natural history specimen data linked to collectors and determiners held within, "A new combination for a neglected member of Linaria subsect. Versicolores (Plantaginaceae, Antirrhineae) endemic to the Algarve, Portugal". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/410d7981-d9a2-4cd9-8f8e-8702cb80de68">https://bionomia.net/dataset/410d7981-d9a2-4cd9-8f8e-8702cb80de68</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/410d7981-d9a2-4cd9-8f8e-8702cb80de68">https://gbif.org/dataset/410d7981-d9a2-4cd9-8f8e-8702cb80de68</a>. Formatted as a Frictionless Data package.
Fig. 1. A in Altai Mountains - cradle of hybrids and introgressants: A case study in Veronica subg. Pseudolysimachium (Plantaginaceae)
Fig. 1. A, Genetic composition based on K = 5 of first-level STRUCTURE results and number of individuals included from that particular locality. Genetic composition of the localities with more than one individual has been averaged. Key to the colors is given in a separate inset. B–D, Probability of ancestry of each individual (horizontal axis; total 233 individuals) to each of K = 4, 5, 6 populations (vertical axis). The five populations correspond mostly to the morphotypes hypothesized for species and putative hybrids. V. ×alt, V. ×altaica; V. ×gri, V. ×grisea; V. ×kol, V. ×kolyvanensis; V. ×sap, V. ×sapozhnikovii; V. ×sch, V. ×schmakovii; V. ×ses, V. ×sessiliflora; V. ×smi, V. ×smirnovii; V. are, V. arenosa; V. inca, V. incana; V. lon, V. longifolia; V. pinn, V. pinnata; V. porp, V. porphyriana; V. reve, V. reverdattoi; V. saj, V. sajanensis; V. spic, V. spicata; V. spur, V. spuria; V. ×taig, V. ×taigischensis; uniden, unidentified.
Fig. 5 in Altai Mountains - cradle of hybrids and introgressants: A case study in Veronica subg. Pseudolysimachium (Plantaginaceae)
Fig. 5. Results of the G-PhoCS analysis for effective population sizes, and gene flow using only pure individuals (no admixture). The inferred current effective population size (Ne) of each species are given for all the five species. The direction of the arrows represents the probability of migration among the species both in forward and reverse directions. The width of the bars represents the effective population size of each species. For population size estimation, we used the equations Ne (effective population size) = θ / 4μg; and T (divergence time) = τ · g / μ; where substitution rate/site/year (μ) = 2.44E-9, generation time for population (g) = 10 years. Migration rates are based on per generation parameter (Msx = msx · θx / 4), which is the proportion of individuals in population x arrived by migration from another population per generation. Gene flow has been calculated using the total migration rate, cases where the total rate is low, it approximates the probability of gene flow between the two species. However, for higher rates, we adjusted probabilities into rates with the equation P = 1 − e−m (where P = the probability of gene flow, e = exponent, and m = total migration rate; following vonHoldt & al., 2016). The phylogenetic tree on which the G-PhoCS analysis has been based is given in suppl. Fig. S2. For complete details, see in Materials and Methods as well as suppl. Tables S4 and S5 for migration rates (msx), τ and θ values, and divergence times.
Fig. 3 in Altai Mountains - cradle of hybrids and introgressants: A case study in Veronica subg. Pseudolysimachium (Plantaginaceae)
Fig. 3. Chromosome localization of rDNA and genomic in situ hybridization (GISH) in Veronica. Mitotic chromosome complements of: A, V. porphyriana; B, V. ×schmakovii; C, V. spicata; D, V. pinnata; E, V. longifolia; and F, V. incana hybridized with 35S (red fluorescence) and 5S (purple) rDNA probes. G, Mitotic chromosomes of V. ×schmakovii hybridized with gDNA of V. longifolia (red) and V. porphyriana (green). — Chromosomes were counterstained with DAPI. Scale bars, 10 μm.
Pioneering polyploids: the impact of whole-genome duplication on biome shifting in New Zealand Coprosma (Rubiaceae) and Veronica (Plantaginaceae)
<p>The role of whole-genome duplication in facilitating shifts into novel biomes remains unknown. Focusing on two diverse woody plant groups in New Zealand, <i>Coprosma </i>(Rubiaceae) and <i>Veronica </i>(Plantaginaceae), we investigate how biome occupancy varies with ploidy level, and test the hypothesis that whole-genome duplication increases the rate of biome shifting.</p> <p>Ploidy levels and biome occupancy (forest, open, and alpine) were determined for indigenous species in both clades. The distribution of low ploidy (<i>Coprosma</i>: 2<i>x</i>, <i>Veronica</i>: 6<i>x</i>) vs high ploidy (<i>Coprosma</i>: 4–10<i>x</i>, <i>Veronica</i>: 12–18<i>x</i>) species across biomes was tested statistically. Estimation of the phylogenetic history of biome occupancy and whole-genome duplication was performed using time-calibrated phylogenies and the R package BioGeoBEARS. Trait-dependent dispersal models were implemented to determine support for an increased rate of biome shifting among high ploidy lineages.</p> <p>We find support for a greater than random portion of high ploidy species occupying multiple biomes. We also find strong support for high ploidy taxa showing a three to eight-fold increase in the rate of biome shifts. These results suggest that whole-genome duplication promotes ecological expansion into new biomes.</p>
Plantago aristata (Plantaginaceae) - inflorescence - whole - unspecified
Image of Plantago aristata (Plantaginaceae) - inflorescence - whole - unspecified
Table 2 in Altai Mountains - cradle of hybrids and introgressants: A case study in Veronica subg. Pseudolysimachium (Plantaginaceae)
<p><b>Table 2.</b> Details of AMOVA in each group with different combination without including the putative hybrid.</p><table><tbody><tr><th></th><th>Source of variation</th><th>Variance components</th><th>Percentage of variation</th><th>Fixation index</th></tr></tbody><tbody><tr><th>Global AMOVA based on <i>K</i> = 5 results of STRUCTURE including all the putative pure 174 individuals</th><td>Among Species</td><td>14</td><td>16</td><td></td></tr><tr><td>Within Species</td><td>74</td><td>84</td><td></td></tr><tr><td>TOTAL</td><td>88</td><td>100</td><td><i>F</i> ST: 0.16*</td></tr><tr><th>Hierarchical AMOVA based on <i>K</i> = 5 results of STRUCTURE including all the putative pure 174 individuals</th><td>Among Groups</td><td>7.2</td><td>8.13</td><td><i>F</i> CT: 0.08*</td></tr><tr><td>Among Species</td><td>7.1</td><td>8.01</td><td><i>F</i> SC: 0.09*</td></tr><tr><td>Within Species</td><td>74.3</td><td>83.86</td><td><i>F</i> ST: 0.16*</td></tr><tr><td>TOTAL</td><td>88.6</td><td>100</td><td></td></tr></tbody></table><p><i>F</i> <sub>ST</sub>, correlation within populations relative to total; <i>F</i> <sub>CT</sub>, correlation within groups relative to total; <i>F</i> <sub>SC</sub>, correlation within populations relative to groups.* <i>P</i> <0.001, 10,000 permutations.</p>
Table 1 in Altai Mountains - cradle of hybrids and introgressants: A case study in Veronica subg. Pseudolysimachium (Plantaginaceae)
<p><b>Table 1.</b> Details of sampled morphotypes and their geographical distribution.</p><table><tbody><tr><th>Serial no.</th><th>Species</th><th>Distribution</th><th>Latitude</th><th>Longitude</th><th>Number of individuals</th></tr></tbody><tbody><tr><th>1</th><td><i>V. ×altaica</i></td><td>Russia</td><td>50.9158</td><td>82.3274</td><td>12</td></tr><tr><th>2</th><td><i>V. ×grisea</i></td><td>Russia</td><td>50.6399</td><td>86.3131</td><td>9</td></tr><tr><th>3</th><td><i>V. ×kolyvanensis</i></td><td>Russia</td><td>51.7684</td><td>82.1381</td><td>6</td></tr><tr><th>4</th><td><i>V. ×sapozhnikovii</i></td><td>Mongolia</td><td></td><td></td><td>1</td></tr><tr><th>5</th><td><i>V. ×schmakovii</i></td><td>Russia</td><td>50.1567</td><td>88.2953</td><td>11</td></tr><tr><th>6</th><td><i>V. ×sessiliflora</i></td><td>Russia</td><td>50.3437</td><td>87.4315</td><td>13</td></tr><tr><th>7</th><td><i>V. ×smirnovii</i></td><td>Mongolia</td><td>46.3533</td><td>91.2095</td><td>6</td></tr><tr><th>8</th><td><i>V. arenosa</i></td><td>Mongolia</td><td></td><td></td><td>3</td></tr><tr><th>9a</th><td><i>V. incana</i></td><td>Russia</td><td>50.6461</td><td>86.3144</td><td>10</td></tr><tr><th>9b</th><td><i>V. incana</i></td><td>Russia</td><td>51.3924</td><td>82.2084</td><td>24</td></tr><tr><th>10</th><td><i>V. longifolia</i></td><td>Russia</td><td>53.3346</td><td>84.2004</td><td>27</td></tr><tr><th>11</th><td><i>V. pinnata</i></td><td>Russia</td><td>50.3501</td><td>87.4125</td><td>22</td></tr><tr><th>12</th><td><i>V. porphyriana</i></td><td>Russia</td><td>51.0431</td><td>85.6399</td><td>36</td></tr><tr><th>13</th><td><i>V. reverdattoi</i></td><td>Russia</td><td>50.4940</td><td>91.3311</td><td>1</td></tr><tr><th>14</th><td><i>V. sajanensis</i></td><td>Russia</td><td>56.1262</td><td>92.9057</td><td>2</td></tr><tr><th>15</th><td><i>V. spicata</i></td><td>Russia</td><td>50.3605</td><td>82.2448</td><td>37</td></tr><tr><th>16</th><td><i>V. spuria</i></td><td>Russia</td><td>51.7684</td><td>82.1381</td><td>7</td></tr><tr><th>17</th><td><i>V. taigischensis</i></td><td>Russia</td><td>53.0584</td><td>93.3399</td><td>3</td></tr><tr><th>TOTAL</th><td>17 morphotypes (10 taxonomically described pure forms; 7 taxonomically described putative hybrids forms; 3 individuals were not identified, they are listed in suppl. Table S1)</td></tr></tbody></table>
Pioneering polyploids: the impact of whole-genome duplication on biome shifting in New Zealand Coprosma (Rubiaceae) and Veronica (Plantaginaceae)
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Three new taxa of Collinsia (Plantaginaceae) provide additional evidence for neoendemism in the upper Merced River watershed of the central Sierra Nevada, California
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Data from: Altai Mountains – cradle of hybrids and introgressants: A case study in <em>Veronica</em> subg. <em>Pseudolysimachium</em> (Plantaginaceae)
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Data from: Phylogeography of western Mediterranean Cymbalaria (Plantaginaceae) reveals two independent long-distance dispersals and entails new taxonomic circumscriptions
The Balearic Islands, Corsica and Sardinia (BCS) constitute biodiversity hotspots in the western Mediterranean Basin. Oligocene connections and long distance dispersal events have been suggested to cause presence of BCS shared endemic species. One of them is Cymbalaria aequitriloba, which, together with three additional species, constitute a polyploid clade endemic to BCS. Combining amplified fragment length polymorphism (AFLP) fingerprinting, plastid DNA sequences and morphometrics, we inferred the phylogeography of the group and evaluated the species' current taxonomic circumscriptions. Based on morphometric and AFLP data we propose a new circumscription for C. fragilis to additionally comprise a group of populations with intermediate morphological characters previously included in C. aequitriloba. Consequently, we suggest to change the IUCN category of C. fragilis from critically endangered (CR) to near threatened (NT). Both morphology and AFLP data support the current taxonomy of the single island endemics C. hepaticifolia and C. muelleri. The four species had a common origin in Corsica-Sardinia, and two long-distance dispersal events to the Balearic Islands were inferred. Finally, plastid DNA data suggest that interspecific gene flow took place where two species co-occur.
FIGURE 1 in Russelia tehuana (Plantaginaceae), a new species from the tropical dry deciduous forest in Oaxaca, Mexico
FIGURE 1. Russelia tehuana Pérez-Calix & Guzmán-Díaz, sp. nov. A) Branch with leaves and inflorescence; B) stem segments showing sides and ridges at the angles; C) detail of the abaxial side of the lamina, resinous lepidotes are present across both surfaces of the lamina; D) lateral view of the flower, the centrally constricted corolla is a unique trait of this species; E) flower dissection; F) lateral view of the ovary; G) capsule; H) dehiscent capsule locule; I) seed. Drawing by Alfonso Barbosa García based on E. Pérez-Calix 6745 (IEB).
FIGURE 2 in Russelia tehuana (Plantaginaceae), a new species from the tropical dry deciduous forest in Oaxaca, Mexico
FIGURE 2. Known distribution of Russelia tehuana in Oaxaca, Mexico. The type locality is indicated with a black dot.
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