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<document id="C91DEFF4E6396D767319C3B1C9112A53" ID-CLB-Dataset="224103" ID-DOI="10.37520/fi.2022.016" ID-GBIF-Dataset="a360f5c7-16da-4c69-afbe-01e6ad032418" ID-ISSN="2533-4069" ID-Zenodo-Dep="7522801" IM.bibliography_approvedBy="juliana" IM.illustrations_approvedBy="juliana" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_approvedBy="juliana" IM.taxonomicNames_approvedBy="juliana" IM.treatments_approvedBy="juliana" checkinTime="1673382488781" checkinUser="felipe" docAuthor="Friis, Else Marie, Crane, Peter R., Pedersen, Kaj Raunsgaard, Mendes, Mário Miguel &amp; Kvaček, Jiří" docDate="2022" docId="03FD87F2FFEDFFFDFCC9F893C20CF792" docLanguage="en" docName="FossilImprint.78.2.341-424.pdf" docOrigin="Fossil Imprint 78 (2)" docSource="http://dx.doi.org/10.37520/fi.2022.016" docStyle="DocumentStyle:0EC54BF35E227CA4627F894F6BA30634.4:FossilImprint.2016-.journal_article" docStyleId="0EC54BF35E227CA4627F894F6BA30634" docStyleName="FossilImprint.2016-.journal_article" docStyleVersion="4" docTitle="Clavatipollenites" docType="treatment" docVersion="2" lastPageNumber="360" masterDocId="FFC4FF8AFFFDFFEEFFBFFFFFC378FFA6" masterDocTitle="The Early Cretaceous Mesofossil Flora Of Catefica, Portugal: Angiosperms" masterLastPageNumber="424" masterPageNumber="341" pageNumber="357" updateTime="1728648832095" updateUser="juliana" zenodo-license-document="CC-BY-NC-ND-3.0">
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<mods:title id="6DBC0A893D996B239E08F8CF242205B2">The Early Cretaceous Mesofossil Flora Of Catefica, Portugal: Angiosperms</mods:title>
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<mods:namePart id="27B8FC53F7E6201B6351F1B73EEAD2EA">Friis, Else Marie</mods:namePart>
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<mods:namePart id="CA30464659FE592E762D59FC7C74BC3E">Mendes, Mário Miguel</mods:namePart>
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Stamens with monocolpate
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<emphasis id="B920EAF6FFEDFFFEFB11F893C617F822" bold="true" box="[1198,1391,1900,1924]" italics="true" pageId="16" pageNumber="357">Clavatipollenites-</emphasis>
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pollen sp. 3
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<paragraph id="8BEB36E4FFEDFFFEFB85F852C7A3F863" blockId="16.[1082,1243,1965,1989]" box="[1082,1243,1965,1989]" pageId="16" pageNumber="357">
<figureCitation id="136F2A61FFEDFFFEFB85F852C7A3F863" box="[1082,1243,1965,1989]" captionStart="Text-fig" captionStartId="20.[148,228,1245,1266]" captionTargetBox="[148,1462,152,1230]" captionTargetId="figure-356@20.[145,1466,148,1232]" captionTargetPageId="20" captionText="Text-fig. 12. Scanning electron microscope (SEM) images of isolated “Stamen fragment with Clavatipollenites-type pollen sp. 3”; Catefica locality, Portugal. a) Stamen fragment with pollen in situ; b, c) Pollen grains showing the semitectate-reticulate pollen wall and folds (c) indicating a possible monocolpate aperture; d) Detail of pollen wall showing the semitectate-reticulate tectum and long, scattered columellae supporting the narrow muri with finely verrucate supratectal ornamentation; e) Detail of pollen wall showing tiny, spherical, finely spiny orbicules. Specimen, Catefica 50-S170449 (ae). Scale bars = 600 Μm (a), 6 Μm (b, c), 1.5 Μm (d, e)." figureDoi="http://doi.org/10.5281/zenodo.7522825" httpUri="https://zenodo.org/record/7522825/files/figure.png" pageId="16" pageNumber="357">Text-fig. 12ae</figureCitation>
</paragraph>
<paragraph id="8BEB36E4FFEDFFFDFCCEF823C135F866" blockId="16.[843,1482,2012,2100]" lastBlockId="19.[106,745,1892,1984]" lastPageId="19" lastPageNumber="360" pageId="16" pageNumber="357">
Description and remarks. The material comprises a single stamen with an elongated, elliptical and tetrasporangiate anther (
<figureCitation id="136F2A61FFEDFFFEFB3BF7E3C66BF792" box="[1156,1299,2076,2100]" captionStart="Text-fig" captionStartId="20.[148,228,1245,1266]" captionTargetBox="[148,1462,152,1230]" captionTargetId="figure-356@20.[145,1466,148,1232]" captionTargetPageId="20" captionText="Text-fig. 12. Scanning electron microscope (SEM) images of isolated “Stamen fragment with Clavatipollenites-type pollen sp. 3”; Catefica locality, Portugal. a) Stamen fragment with pollen in situ; b, c) Pollen grains showing the semitectate-reticulate pollen wall and folds (c) indicating a possible monocolpate aperture; d) Detail of pollen wall showing the semitectate-reticulate tectum and long, scattered columellae supporting the narrow muri with finely verrucate supratectal ornamentation; e) Detail of pollen wall showing tiny, spherical, finely spiny orbicules. Specimen, Catefica 50-S170449 (ae). Scale bars = 600 Μm (a), 6 Μm (b, c), 1.5 Μm (d, e)." figureDoi="http://doi.org/10.5281/zenodo.7522825" httpUri="https://zenodo.org/record/7522825/files/figure.png" pageId="16" pageNumber="357">Text-fig. 12a</figureCitation>
) that has in situ
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<emphasis id="B920EAF6FFEFFFFCFF3EF94EC24FF96F" box="[129,311,1713,1737]" italics="true" pageId="18" pageNumber="359">Clavatipollenites</emphasis>
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-
<typeStatus id="54EF8846FFEFFFFCFE81F94DC216F96C" box="[318,366,1714,1738]" pageId="18" pageNumber="359">type</typeStatus>
pollen (
<figureCitation id="136F2A61FFEFFFFCFE75F94EC10DF96F" box="[458,629,1713,1737]" captionStart="Text-fig" captionStartId="20.[148,228,1245,1266]" captionTargetBox="[148,1462,152,1230]" captionTargetId="figure-356@20.[145,1466,148,1232]" captionTargetPageId="20" captionText="Text-fig. 12. Scanning electron microscope (SEM) images of isolated “Stamen fragment with Clavatipollenites-type pollen sp. 3”; Catefica locality, Portugal. a) Stamen fragment with pollen in situ; b, c) Pollen grains showing the semitectate-reticulate pollen wall and folds (c) indicating a possible monocolpate aperture; d) Detail of pollen wall showing the semitectate-reticulate tectum and long, scattered columellae supporting the narrow muri with finely verrucate supratectal ornamentation; e) Detail of pollen wall showing tiny, spherical, finely spiny orbicules. Specimen, Catefica 50-S170449 (ae). Scale bars = 600 Μm (a), 6 Μm (b, c), 1.5 Μm (d, e)." figureDoi="http://doi.org/10.5281/zenodo.7522825" httpUri="https://zenodo.org/record/7522825/files/figure.png" pageId="18" pageNumber="359">Text-fig. 12be</figureCitation>
). The anther is about
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long and about
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broad. Pollen is monoaperturate, but the grains are typically folded and the aperture is not fully exposed in any of the specimens. The grains are about 1517 µm in diameter. The exine is semitectate-reticulate with a homobrochate reticulum (
<figureCitation id="136F2A61FFEFFFFCFCEDF92EC779F94F" box="[850,1025,1745,1769]" captionStart="Text-fig" captionStartId="20.[148,228,1245,1266]" captionTargetBox="[148,1462,152,1230]" captionTargetId="figure-356@20.[145,1466,148,1232]" captionTargetPageId="20" captionText="Text-fig. 12. Scanning electron microscope (SEM) images of isolated “Stamen fragment with Clavatipollenites-type pollen sp. 3”; Catefica locality, Portugal. a) Stamen fragment with pollen in situ; b, c) Pollen grains showing the semitectate-reticulate pollen wall and folds (c) indicating a possible monocolpate aperture; d) Detail of pollen wall showing the semitectate-reticulate tectum and long, scattered columellae supporting the narrow muri with finely verrucate supratectal ornamentation; e) Detail of pollen wall showing tiny, spherical, finely spiny orbicules. Specimen, Catefica 50-S170449 (ae). Scale bars = 600 Μm (a), 6 Μm (b, c), 1.5 Μm (d, e)." figureDoi="http://doi.org/10.5281/zenodo.7522825" httpUri="https://zenodo.org/record/7522825/files/figure.png" pageId="18" pageNumber="359">Text-fig. 12be</figureCitation>
). Lumina are irregular and up to about 1.5 µm in diameter. Muri are narrow, about 0.4 µm wide and ornamented with verrucae or spines arranged in one to two rows. Columellae are long, about 0.7 µm, and widely spaced (
<figureCitation id="136F2A61FFEEFFFDFF7FF89BC237F8DA" box="[192,335,1892,1916]" captionStart="Text-fig" captionStartId="20.[148,228,1245,1266]" captionTargetBox="[148,1462,152,1230]" captionTargetId="figure-356@20.[145,1466,148,1232]" captionTargetPageId="20" captionText="Text-fig. 12. Scanning electron microscope (SEM) images of isolated “Stamen fragment with Clavatipollenites-type pollen sp. 3”; Catefica locality, Portugal. a) Stamen fragment with pollen in situ; b, c) Pollen grains showing the semitectate-reticulate pollen wall and folds (c) indicating a possible monocolpate aperture; d) Detail of pollen wall showing the semitectate-reticulate tectum and long, scattered columellae supporting the narrow muri with finely verrucate supratectal ornamentation; e) Detail of pollen wall showing tiny, spherical, finely spiny orbicules. Specimen, Catefica 50-S170449 (ae). Scale bars = 600 Μm (a), 6 Μm (b, c), 1.5 Μm (d, e)." figureDoi="http://doi.org/10.5281/zenodo.7522825" httpUri="https://zenodo.org/record/7522825/files/figure.png" pageId="19" pageNumber="360">Text-fig. 12d</figureCitation>
). Orbicules on the inner surface of the anther wall and on the surface of the pollen grains are tiny, spherical and with fine spines (
<figureCitation id="136F2A61FFEEFFFDFE0CF858C138F866" box="[435,576,1959,1984]" captionStart="Text-fig" captionStartId="20.[148,228,1245,1266]" captionTargetBox="[148,1462,152,1230]" captionTargetId="figure-356@20.[145,1466,148,1232]" captionTargetPageId="20" captionText="Text-fig. 12. Scanning electron microscope (SEM) images of isolated “Stamen fragment with Clavatipollenites-type pollen sp. 3”; Catefica locality, Portugal. a) Stamen fragment with pollen in situ; b, c) Pollen grains showing the semitectate-reticulate pollen wall and folds (c) indicating a possible monocolpate aperture; d) Detail of pollen wall showing the semitectate-reticulate tectum and long, scattered columellae supporting the narrow muri with finely verrucate supratectal ornamentation; e) Detail of pollen wall showing tiny, spherical, finely spiny orbicules. Specimen, Catefica 50-S170449 (ae). Scale bars = 600 Μm (a), 6 Μm (b, c), 1.5 Μm (d, e)." figureDoi="http://doi.org/10.5281/zenodo.7522825" httpUri="https://zenodo.org/record/7522825/files/figure.png" pageId="19" pageNumber="360">Text-fig. 12e</figureCitation>
).
</paragraph>
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Text-fig. 9. Scanning electron microscope (SEM) images of stamens and pollen of
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<emphasis id="B920EAF6FFECFFFFFC27F866C7D2F808" bold="true" box="[920,1194,1945,1966]" italics="true" pageId="17" pageNumber="358">Proencistemon portugallicus</emphasis>
</taxonomicName>
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(ag) and
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sp.
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(hj); Catefica locality, Portugal. a) Fragment of stamen whorl from staminate inflorescence showing almost sessile anthers; note short bracts at the base of the stamen whorl (arrow) and apparent paired arrangement of the stamens; b) Fragment of stamen whorl showing almost sessile anthers and apparent paired arrangement of the stamens; c) Pollen in situ from stamen whorl in (b) showing poorly defined trichotomocolpate aperture and semitectate-reticulate tectum; dg) Distal views of pollen in situ from
<emphasis id="B920EAF6FFEFFFFCFF2CF867C792F785" bold="true" pageId="18" pageNumber="359">
pollen clump showing poorly defined trichotomocolpate aperture, semitectate-reticulate tectum (df), and fractured pollen wall with long, scattered columellae supporting narrow muri (g); h) Fragment of staminate inflorescence with narrow, almost sessile, stamens; i, j) Pollen from fragment of staminate inflorescence in (h) showing poorly defined trichotomocolpate aperture (i), semitectate-reticulate tectum (i, j) and long, scattered columellae supporting narrow muri (j). Specimens, Catefica 49-
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266015 (a), Catefica 342-
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122086 (b, c), Catefica 50-
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170394 (dg), Catefica 49-
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107783 (hj). Scale bars = 600 Μm (a, b, h), 6 Μm (cf, i), 1.5 Μm (g, j).
</emphasis>
</paragraph>
</caption>
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Text-fig. 10. Scanning electron microscope (SEM) images of isolated “Stamen fragment with
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<emphasis id="B920EAF6FFEFFFFCFBEFFA3CC789FA7E" bold="true" box="[1104,1265,1475,1496]" italics="true" pageId="18" pageNumber="359">Clavatipollenites</emphasis>
</taxonomicName>
-type pollen sp. 1”; Catefica locality, Portugal. a) Fragment of tetrasporangiate stamen with pollen in situ; b) Detail from stamen fragment showing distal and proximal surfaces of in situ pollen grains and tiny orbicules on the inner surface of the anther wall (arrows); c) Pollen grains in distal view showing short colpi with irregular margins and aperture membrane with irregular verrucae; d) Detail of pollen wall showing the semitectate-reticulate tectum and long, scattered columellae supporting the narrow muri with finely verrucate supratectal ornamentation. Specimen, Catefica 50-S170387 (ad). Scale bars = 600 Μm (a), 20 Μm (b), 6 Μm (c), 1.5 Μm (d).
</paragraph>
</caption>
<caption id="DF2B666CFFEEFFFDFFC2F98AC6D8F8BB" ID-DOI="http://doi.org/10.5281/zenodo.7522823" ID-Zenodo-Dep="7522823" httpUri="https://zenodo.org/record/7522823/files/figure.png" pageId="19" pageNumber="360" startId="19.[125,206,1653,1674]" targetBox="[125,1440,151,1637]" targetPageId="19">
<paragraph id="8BEB36E4FFEEFFFDFFC2F98AC6D8F8BB" blockId="19.[125,1440,1653,1821]" pageId="19" pageNumber="360">
Text-fig. 11. Scanning electron microscope (SEM) images of isolated “Stamen fragment with
<taxonomicName id="4C544D67FFEEFFFDFB88F98AC7A4F92C" baseAuthorityName="Walker and Walker" baseAuthorityYear="1984" box="[1079,1244,1653,1674]" class="Magnoliopsida" family="Chloranthaceae" genus="Clavatipollenites" higherTaxonomySource="GBIF" kingdom="Plantae" order="Chloranthales" pageId="19" pageNumber="360" phylum="Tracheophyta" rank="genus">
<emphasis id="B920EAF6FFEEFFFDFB88F98AC7A4F92C" bold="true" box="[1079,1244,1653,1674]" italics="true" pageId="19" pageNumber="360">Clavatipollenites</emphasis>
</taxonomicName>
-type pollen sp. 2”; Catefica locality, Portugal. a) Fragment of tetrasporangiate stamen with pollen in situ; b) Detail from stamen fragment showing distal and proximal surfaces of in situ pollen grains; c) Pollen grain in distal view showing short colpus with irregular margin and aperture membrane covered by irregular verrucae; d) Detail of pollen wall showing tiny spherical orbicules; e) Detail of pollen wall showing the semitectate-reticulate tectum and long, scattered columellae supporting the narrow muri with finely verrucate supratectal ornamentation. Specimen, Catefica 50-S170389 (ae). Scale bars = 600 Μm (a), 20 Μm (b), 6 Μm (c), 3 Μm (d), 1.5 Μm (e).
</paragraph>
</caption>
<paragraph id="8BEB36E4FFEEFFFDFF2FF827C20CF792" blockId="19.[106,744,2008,2100]" pageId="19" pageNumber="360">
<collectionCode id="ED45AE21FFEEFFFDFF2FF827C3DBF856" box="[144,163,2008,2032]" country="USA" lsid="urn:lsid:biocol.org:col:15406" name="Harvard University - Arnold Arboretum" pageId="19" pageNumber="360" type="Herbarium">Affinity</collectionCode>
and other occurrences. See comments on “Stamens with monocolpate
<emphasis id="B920EAF6FFEEFFFDFD96F805C3E0F792" italics="true" pageId="19" pageNumber="360">Clavatipollenitestype</emphasis>
pollen sp. 1” above.
</paragraph>
</subSubSection>
</treatment>
</document>