141 lines
25 KiB
XML
141 lines
25 KiB
XML
<document id="5CA617FEC304F659F5D179F5DFA8EC5C" ID-DOI="10.2478/if-2019-0013" ID-ISSN="2533-4069" ID-Zenodo-Dep="5386203" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1630303095841" checkinUser="diego" docAuthor="Friis, Else Marie, Crane, Peter R. & Pedersen, Kaj Raunsgaard" docDate="2019" docId="0396DC10BF5FC253CD98B2D8E2521F78" docLanguage="en" docName="2_Friis.pdf" docOrigin="Fossil Imprint 75 (2)" docSource="http://dx.doi.org/10.2478/if-2019-0013" docStyle="DocumentStyle:0EC54BF35E227CA4627F894F6BA30634.4:FossilImprint.2016-.journal_article" docStyleId="0EC54BF35E227CA4627F894F6BA30634" docStyleName="FossilImprint.2016-.journal_article" docStyleVersion="4" docTitle="Mcdougallia irregularis E. M. FRIIS, P. R. CRANE et K. R. PEDERSEN 2019, sp. nov." docType="treatment" docVersion="5" lastPageNumber="233" masterDocId="FFAFA468BF0FC203CD58B635E7781C51" masterDocTitle="The Early Cretaceous Mesofossil Flora Of Torres Vedras (Ne Of Forte Da Forca), Portugal: A Palaeofloristic Analysis Of An Early Angiosperm Community" masterLastPageNumber="257" masterPageNumber="153" pageNumber="233" updateTime="1699221227565" updateUser="plazi" zenodo-license-document="CC-BY-NC-ND-3.0">
|
||
<mods:mods id="C7AE2D70991EE4FA30D768AB47A27796" xmlns:mods="http://www.loc.gov/mods/v3">
|
||
<mods:titleInfo id="640A5A3F39CFA363A4ABC5063F433160">
|
||
<mods:title id="C71F61E875E3F7B221D9717C9535FEAB">The Early Cretaceous Mesofossil Flora Of Torres Vedras (Ne Of Forte Da Forca), Portugal: A Palaeofloristic Analysis Of An Early Angiosperm Community</mods:title>
|
||
</mods:titleInfo>
|
||
<mods:name id="9B2B4F5CDAF508B7A6555C92F365F0A6" type="personal">
|
||
<mods:role id="ACFAE9CFFD482328024AA54B10B03B77">
|
||
<mods:roleTerm id="586C6FDE601A76501FC5E0D73FB25B49">Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart id="E82E6CEEA66D2A710F5B62995B4D6C06">Friis, Else Marie</mods:namePart>
|
||
</mods:name>
|
||
<mods:name id="D27849062DA479656516B7CCBCD8226C" type="personal">
|
||
<mods:role id="79B9478B52734034C24FA064BB1C474D">
|
||
<mods:roleTerm id="3D74059667EAD6B5A24DAEF72C981035">Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart id="34C52CD2D7ABD860A0BF61BC8A9D32BB">Crane, Peter R.</mods:namePart>
|
||
</mods:name>
|
||
<mods:name id="E148FC1CF996EFF47A6FF7019E441A36" type="personal">
|
||
<mods:role id="865E7B46F06FA591F9C47798135739AE">
|
||
<mods:roleTerm id="9603ABC84048A564D9EF7215E8A80E2A">Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart id="D1BACC34E2C0F3176CE4A9F5786507C5">Pedersen, Kaj Raunsgaard</mods:namePart>
|
||
</mods:name>
|
||
<mods:typeOfResource id="5344D0BD545D048A79688DF6BE753A20">text</mods:typeOfResource>
|
||
<mods:relatedItem id="AE1487297586CC9E57E0A13695ED6720" type="host">
|
||
<mods:titleInfo id="BFC978F020F45508CDB222ECE213B10D">
|
||
<mods:title id="931C82720891A47D884F28CAFA97037F">Fossil Imprint</mods:title>
|
||
</mods:titleInfo>
|
||
<mods:part id="EE02427FC12454A4624B10613DEE0CB6">
|
||
<mods:date id="C0F9F997E44669A9CE0EA4115FF0733F">2019</mods:date>
|
||
<mods:detail id="B2C02C99D769B363DB0D9054E634CE09" type="pubDate">
|
||
<mods:number id="70E562DF16073E4B4B86CE8B46C2C749">2019-11-25</mods:number>
|
||
</mods:detail>
|
||
<mods:detail id="42FAA3DED43B20D91A407A81490DBCD6" type="volume">
|
||
<mods:number id="9B55ECDB6E493FF7A0C4204B9C6322D8">75</mods:number>
|
||
</mods:detail>
|
||
<mods:detail id="05A1B34C60EA7B9147FFF056123AE7EC" type="issue">
|
||
<mods:number id="E0B9ACEE7560128D4E676FA68DF81C29">2</mods:number>
|
||
</mods:detail>
|
||
<mods:extent id="C68782AC639CF39EB7EA2AAB873A2699" unit="page">
|
||
<mods:start id="61D4C7DF6C011EBDED5EA92FEEA6E710">153</mods:start>
|
||
<mods:end id="B7618B83518E314DEA32623A60D03C8D">257</mods:end>
|
||
</mods:extent>
|
||
</mods:part>
|
||
</mods:relatedItem>
|
||
<mods:location id="949E1D6AAC76B5261883B6F5D5BE8A6D">
|
||
<mods:url id="EBD82D88C47BD10324FA0BE1670F012B">http://dx.doi.org/10.2478/if-2019-0013</mods:url>
|
||
</mods:location>
|
||
<mods:classification id="62C43FDB0183872824FBEFFE59DBA186">journal article</mods:classification>
|
||
<mods:identifier id="3DAD8B9C8846C5306309E19F54C92B2C" type="DOI">10.2478/if-2019-0013</mods:identifier>
|
||
<mods:identifier id="1EB6C0A6C809264D067AA9118DF06A4B" type="ISSN">2533-4069</mods:identifier>
|
||
<mods:identifier id="C5F4DA4B95CA6F7994CF715FC781A1B6" type="Zenodo-Dep">5386203</mods:identifier>
|
||
</mods:mods>
|
||
<treatment id="0396DC10BF5FC253CD98B2D8E2521F78" LSID="urn:lsid:plazi:treatment:0396DC10BF5FC253CD98B2D8E2521F78" httpUri="http://treatment.plazi.org/id/0396DC10BF5FC253CD98B2D8E2521F78" lastPageNumber="233" pageId="80" pageNumber="233">
|
||
<subSubSection id="C3253E8DBF5FC253CD98B2D8E5771917" pageId="80" pageNumber="233" type="nomenclature">
|
||
<paragraph id="8B806D06BF5FC253CD98B2D8E5331977" blockId="80.[192,704,1261,1318]" pageId="80" pageNumber="233">
|
||
<heading id="D0C8DA6ABF5FC253CD98B2D8E5331977" centered="true" fontSize="8" level="2" pageId="80" pageNumber="233" reason="2">
|
||
<emphasis id="B94BB114BF5FC253CD98B2D8E5331977" bold="true" pageId="80" pageNumber="233">
|
||
<taxonomicName id="4C3F1685BF5FC253CD98B2D8E6961975" authority="E.M.FRIIS, P.R.CRANE et K.R.PEDERSEN" authorityName="E. M. FRIIS, P. R. CRANE et K. R. PEDERSEN" authorityYear="2019" class="Magnoliopsida" family="Schisandraceae" genus="Mcdougallia" kingdom="Plantae" order="Austrobaileyales" pageId="80" pageNumber="233" phylum="Tracheophyta" rank="species" species="irregularis" status="sp. nov.">
|
||
<emphasis id="B94BB114BF5FC253CD98B2D8E6BF1954" bold="true" box="[192,455,1261,1285]" italics="true" pageId="80" pageNumber="233">Mcdougallia irregularis</emphasis>
|
||
E.M.FRIIS, P.R.CRANE et K.R.PEDERSEN
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A2780C6FBF5FC253CCADB33BE5331977" box="[501,587,1294,1318]" pageId="80" pageNumber="233" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="8B806D06BF5FC253CC29B31BE5771917" blockId="80.[369,527,1326,1350]" box="[369,527,1326,1350]" pageId="80" pageNumber="233">
|
||
<figureCitation id="13047183BF5FC253CC29B31BE5771917" box="[369,527,1326,1350]" captionStart="Text-fig" captionStartId="81.[125,206,1524,1545]" captionTargetBox="[125,1440,151,1503]" captionTargetId="figure-226@81.[121,1112,670,1505]" captionTargetPageId="81" captionText="Text-fig. 51. Scanning electron microscope (SEM) images of tricolpate pollen of Mcdougallia irregularis gen. et sp. nov. from a stamen fragment; Torres Vedras locality, Portugal. a) Holotype; stamen fragment that yielded the pollen in this Text-figure; b) Polar view of tricolpate pollen grain showing the continuous psilate tectum in the apocolpium and the poorly developed discontinuous foveolate-reticulate tectum in the mesocolpial areas, note irregular fold in tectum wall (arrowhead); c) Equatorial view of pollen grain showing the discontinuous tectum in the mesocolpial areas; d) Pollen grains showing variably developed tectum, colpi with a finely granular aperture membrane and the folds (arrowheads) associated with the irregular development of the colpi; e) Orbicule showing faintly striate surface; f) Pollen wall showing very short columellae, thin tectum and thin foot layer. Specimen, TV44-S148215 (holotype). Scale bars 300 Μm (a), 6 Μm (b–d), 3 Μm (e, f)." figureDoi="http://doi.org/10.5281/zenodo.5386373" httpUri="https://zenodo.org/record/5386373/files/figure.png" pageId="80" pageNumber="233">Text-fig. 51a–f</figureCitation>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3253E8DBF5FC253CDFEB36BE2521F78" pageId="80" pageNumber="233" type="description">
|
||
<paragraph id="8B806D06BF5FC253CDFEB36BE68319C7" blockId="80.[129,768,1374,1430]" pageId="80" pageNumber="233">
|
||
H o l o t y p e. Designated here. S148215 (Torres Vedras sample 43; figured
|
||
<figureCitation id="13047183BF5FC253CC15B34BE68819C7" box="[333,496,1406,1430]" captionStart="Text-fig" captionStartId="81.[125,206,1524,1545]" captionTargetBox="[125,1440,151,1503]" captionTargetId="figure-226@81.[121,1112,670,1505]" captionTargetPageId="81" captionText="Text-fig. 51. Scanning electron microscope (SEM) images of tricolpate pollen of Mcdougallia irregularis gen. et sp. nov. from a stamen fragment; Torres Vedras locality, Portugal. a) Holotype; stamen fragment that yielded the pollen in this Text-figure; b) Polar view of tricolpate pollen grain showing the continuous psilate tectum in the apocolpium and the poorly developed discontinuous foveolate-reticulate tectum in the mesocolpial areas, note irregular fold in tectum wall (arrowhead); c) Equatorial view of pollen grain showing the discontinuous tectum in the mesocolpial areas; d) Pollen grains showing variably developed tectum, colpi with a finely granular aperture membrane and the folds (arrowheads) associated with the irregular development of the colpi; e) Orbicule showing faintly striate surface; f) Pollen wall showing very short columellae, thin tectum and thin foot layer. Specimen, TV44-S148215 (holotype). Scale bars 300 Μm (a), 6 Μm (b–d), 3 Μm (e, f)." figureDoi="http://doi.org/10.5281/zenodo.5386373" httpUri="https://zenodo.org/record/5386373/files/figure.png" pageId="80" pageNumber="233">Text-fig. 51a–f</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8B806D06BF5FC253CDFEB39BE5851994" blockId="80.[129,765,1453,1510]" box="[166,765,1453,1478]" pageId="80" pageNumber="233">P l a n t F o s s i l N a m e s R e g i s t r y N u m b e r.</paragraph>
|
||
<paragraph id="8B806D06BF5FC253CDD9B3FBE6BF19B7" blockId="80.[129,765,1453,1510]" box="[129,455,1486,1510]" pageId="80" pageNumber="233">PFN000494 (for new species).</paragraph>
|
||
<paragraph id="8B806D06BF5FC253CDFEB3CBE6251A07" blockId="80.[129,768,1533,1622]" pageId="80" pageNumber="233">
|
||
<materialsCitation id="3B57675BBF5FC253CDFEB3CBE6211A07" collectionCode="R" country="Sweden" county="Swedish Museum of Natural History" location="Palaeobotanical Collections" municipality="Department of Palaeobiology" pageId="80" pageNumber="233" specimenCount="1" stateProvince="Stockholm">
|
||
<collectionCode id="ED2EF5C3BF5FC253CDFEB3CBE7C01A44" box="[166,184,1534,1557]" country="Chile" name="Departamento de Geologia, Universidad de Chile" pageId="80" pageNumber="233">R</collectionCode>
|
||
e p o s i t o r y.
|
||
<location id="8EE03BDDBF5FC253CC00B3C8E5021A44" LSID="urn:lsid:plazi:treatment:0396DC10BF5FC253CD98B2D8E2521F78:8EE03BDDBF5FC253CC00B3C8E5021A44" box="[344,634,1533,1557]" country="Sweden" county="Swedish Museum of Natural History" municipality="Department of Palaeobiology" name="Palaeobotanical Collections" pageId="80" pageNumber="233" stateProvince="Stockholm">Palaeobotanical Collections</location>
|
||
,
|
||
<collectingMunicipality id="6BE4F77CBF5FC253CFDDB3CBE6411A64" pageId="80" pageNumber="233">Department of Palaeobiology</collectingMunicipality>
|
||
, the
|
||
<collectingCounty id="62E1158ABF5FC253CC35B028E5831A64" box="[365,763,1565,1589]" pageId="80" pageNumber="233">Swedish Museum of Natural History</collectingCounty>
|
||
,
|
||
<collectingRegion id="49FBA3E4BF5FC253CDD9B00BE78F1A07" box="[129,247,1598,1622]" country="Sweden" name="Stockholm" pageId="80" pageNumber="233">Stockholm</collectingRegion>
|
||
,
|
||
<collectingCountry id="F3282D96BF5FC253CC59B00BE6211A07" box="[257,345,1598,1622]" name="Sweden" pageId="80" pageNumber="233">Sweden</collectingCountry>
|
||
</materialsCitation>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8B806D06BF5FC253CDFEB05BE6F11AF4" blockId="80.[129,768,1645,1701]" pageId="80" pageNumber="233">E t y m o l o g y. From Latin: irregularis referring to the irregular folds and colpi.</paragraph>
|
||
<paragraph id="8B806D06BF5FC253CDFEB088E5871A84" blockId="80.[129,767,1725,1781]" box="[166,767,1725,1749]" pageId="80" pageNumber="233">T y p e l o c a l i t y. Torres Vedras (NE of Forte de</paragraph>
|
||
<paragraph id="8B806D06BF5FC253CDD9B0E8E6941AA4" blockId="80.[129,767,1725,1781]" box="[129,492,1756,1781]" pageId="80" pageNumber="233">
|
||
Forca;
|
||
<geoCoordinate id="EE0B0BC1BF5FC253CD93B0E9E62C1AA5" box="[203,340,1756,1781]" degrees="39" direction="north" minutes="06" orientation="latitude" pageId="80" pageNumber="233" precision="15" seconds="13" value="39.10361">39°06′13″ N</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="EE0B0BC1BF5FC253CC06B0E9E6981AA4" box="[350,480,1756,1781]" degrees="9" direction="west" minutes="14" orientation="longitude" pageId="80" pageNumber="233" precision="15" seconds="47" value="-9.246389">9°14′47″ W</geoCoordinate>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8B806D06BF5FC253CDFEB138E66C1B34" blockId="80.[129,768,1804,1893]" pageId="80" pageNumber="233">T y p e s t r a t u m a n d a g e. Lower member of the Almargem Formation; Early Cretaceous (late Barremianearly Aptian).</paragraph>
|
||
<paragraph id="8B806D06BF5FC253CDFEB148E57C1BC4" blockId="80.[166,516,1916,1941]" box="[166,516,1916,1941]" pageId="80" pageNumber="233">D i a g n o s i s. As for the genus.</paragraph>
|
||
<paragraph id="8B806D06BF5FC253CDFEB199E64F1BB5" blockId="80.[129,768,1964,2020]" pageId="80" pageNumber="233">D i m e n s i o n s. Equatorial diameter of pollen grains: about 19–20 µm.</paragraph>
|
||
<paragraph id="8B806D06BF5FC253CDFEB1C9E3471E26" blockId="80.[129,767,2043,2100]" lastBlockId="80.[843,1482,151,631]" pageId="80" pageNumber="233">
|
||
D e s c r i p t i o n a n d r e m a r k s.
|
||
<taxonomicName id="4C3F1685BF5FC253CF2FB1CEE78C1465" authorityName="E. M. FRIIS, P. R. CRANE et K. R. PEDERSEN" authorityYear="2019" class="Magnoliopsida" family="Schisandraceae" genus="Mcdougallia" kingdom="Plantae" order="Austrobaileyales" pageId="80" pageNumber="233" phylum="Tracheophyta" rank="species" species="irregularis">
|
||
<emphasis id="B94BB114BF5FC253CF2FB1CEE78C1465" italics="true" pageId="80" pageNumber="233">Mcdougallia irregularis</emphasis>
|
||
</taxonomicName>
|
||
is based on a fragment of a stamen, about
|
||
<quantity id="4CC7C0E3BF5FC253CE13B6ADE4D41CFE" box="[843,940,152,176]" metricMagnitude="-4" metricUnit="m" metricValue="4.8" pageId="80" pageNumber="233" unit="mm" value="0.48">0.48 mm</quantity>
|
||
long and
|
||
<quantity id="4CC7C0E3BF5FC253C979B6A2E3E81CFE" box="[1057,1168,151,175]" metricMagnitude="-4" metricUnit="m" metricValue="1.35" pageId="80" pageNumber="233" unit="mm" value="0.135">0.135 mm</quantity>
|
||
wide (
|
||
<figureCitation id="13047183BF5FC253C987B6A2E2171CFE" box="[1247,1391,151,175]" captionStart="Text-fig" captionStartId="81.[125,206,1524,1545]" captionTargetBox="[125,1440,151,1503]" captionTargetId="figure-226@81.[121,1112,670,1505]" captionTargetPageId="81" captionText="Text-fig. 51. Scanning electron microscope (SEM) images of tricolpate pollen of Mcdougallia irregularis gen. et sp. nov. from a stamen fragment; Torres Vedras locality, Portugal. a) Holotype; stamen fragment that yielded the pollen in this Text-figure; b) Polar view of tricolpate pollen grain showing the continuous psilate tectum in the apocolpium and the poorly developed discontinuous foveolate-reticulate tectum in the mesocolpial areas, note irregular fold in tectum wall (arrowhead); c) Equatorial view of pollen grain showing the discontinuous tectum in the mesocolpial areas; d) Pollen grains showing variably developed tectum, colpi with a finely granular aperture membrane and the folds (arrowheads) associated with the irregular development of the colpi; e) Orbicule showing faintly striate surface; f) Pollen wall showing very short columellae, thin tectum and thin foot layer. Specimen, TV44-S148215 (holotype). Scale bars 300 Μm (a), 6 Μm (b–d), 3 Μm (e, f)." figureDoi="http://doi.org/10.5281/zenodo.5386373" httpUri="https://zenodo.org/record/5386373/files/figure.png" pageId="80" pageNumber="233">Text-fig. 51a</figureCitation>
|
||
). Pollen grains in situ are small, almost spherical, about 19–20 µm in diameter and tricolpate (
|
||
<figureCitation id="13047183BF5FC253C913B6EDE38B1CA1" box="[1099,1267,216,240]" captionStart="Text-fig" captionStartId="81.[125,206,1524,1545]" captionTargetBox="[125,1440,151,1503]" captionTargetId="figure-226@81.[121,1112,670,1505]" captionTargetPageId="81" captionText="Text-fig. 51. Scanning electron microscope (SEM) images of tricolpate pollen of Mcdougallia irregularis gen. et sp. nov. from a stamen fragment; Torres Vedras locality, Portugal. a) Holotype; stamen fragment that yielded the pollen in this Text-figure; b) Polar view of tricolpate pollen grain showing the continuous psilate tectum in the apocolpium and the poorly developed discontinuous foveolate-reticulate tectum in the mesocolpial areas, note irregular fold in tectum wall (arrowhead); c) Equatorial view of pollen grain showing the discontinuous tectum in the mesocolpial areas; d) Pollen grains showing variably developed tectum, colpi with a finely granular aperture membrane and the folds (arrowheads) associated with the irregular development of the colpi; e) Orbicule showing faintly striate surface; f) Pollen wall showing very short columellae, thin tectum and thin foot layer. Specimen, TV44-S148215 (holotype). Scale bars 300 Μm (a), 6 Μm (b–d), 3 Μm (e, f)." figureDoi="http://doi.org/10.5281/zenodo.5386373" httpUri="https://zenodo.org/record/5386373/files/figure.png" pageId="80" pageNumber="233">Text-fig. 51b–d</figureCitation>
|
||
). The colpi are long, reaching almost to the poles and have a distinct margin (
|
||
<figureCitation id="13047183BF5FC253CE0AB72FE37B1D60" box="[850,1027,281,306]" captionStart="Text-fig" captionStartId="81.[125,206,1524,1545]" captionTargetBox="[125,1440,151,1503]" captionTargetId="figure-226@81.[121,1112,670,1505]" captionTargetPageId="81" captionText="Text-fig. 51. Scanning electron microscope (SEM) images of tricolpate pollen of Mcdougallia irregularis gen. et sp. nov. from a stamen fragment; Torres Vedras locality, Portugal. a) Holotype; stamen fragment that yielded the pollen in this Text-figure; b) Polar view of tricolpate pollen grain showing the continuous psilate tectum in the apocolpium and the poorly developed discontinuous foveolate-reticulate tectum in the mesocolpial areas, note irregular fold in tectum wall (arrowhead); c) Equatorial view of pollen grain showing the discontinuous tectum in the mesocolpial areas; d) Pollen grains showing variably developed tectum, colpi with a finely granular aperture membrane and the folds (arrowheads) associated with the irregular development of the colpi; e) Orbicule showing faintly striate surface; f) Pollen wall showing very short columellae, thin tectum and thin foot layer. Specimen, TV44-S148215 (holotype). Scale bars 300 Μm (a), 6 Μm (b–d), 3 Μm (e, f)." figureDoi="http://doi.org/10.5281/zenodo.5386373" httpUri="https://zenodo.org/record/5386373/files/figure.png" pageId="80" pageNumber="233">Text-fig. 51b–d</figureCitation>
|
||
). Shorter folds that appear as openings in the tectum are irregularly spaced between the regular colpi on all grains. The tectum is punctate in the polar regions and along the colpi. In the mesocolpial regions the tectum is foveolate to irregularly reticulate, and sometimes discontinuous (
|
||
<figureCitation id="13047183BF5FC253CEACB789E3FF1D85" box="[1012,1159,444,468]" captionStart="Text-fig" captionStartId="81.[125,206,1524,1545]" captionTargetBox="[125,1440,151,1503]" captionTargetId="figure-226@81.[121,1112,670,1505]" captionTargetPageId="81" captionText="Text-fig. 51. Scanning electron microscope (SEM) images of tricolpate pollen of Mcdougallia irregularis gen. et sp. nov. from a stamen fragment; Torres Vedras locality, Portugal. a) Holotype; stamen fragment that yielded the pollen in this Text-figure; b) Polar view of tricolpate pollen grain showing the continuous psilate tectum in the apocolpium and the poorly developed discontinuous foveolate-reticulate tectum in the mesocolpial areas, note irregular fold in tectum wall (arrowhead); c) Equatorial view of pollen grain showing the discontinuous tectum in the mesocolpial areas; d) Pollen grains showing variably developed tectum, colpi with a finely granular aperture membrane and the folds (arrowheads) associated with the irregular development of the colpi; e) Orbicule showing faintly striate surface; f) Pollen wall showing very short columellae, thin tectum and thin foot layer. Specimen, TV44-S148215 (holotype). Scale bars 300 Μm (a), 6 Μm (b–d), 3 Μm (e, f)." figureDoi="http://doi.org/10.5281/zenodo.5386373" httpUri="https://zenodo.org/record/5386373/files/figure.png" pageId="80" pageNumber="233">Text-fig. 51c</figureCitation>
|
||
). Columellae are very short (
|
||
<figureCitation id="13047183BF5FC253CE0AB7E8E49B1DA4" box="[850,995,477,501]" captionStart="Text-fig" captionStartId="81.[125,206,1524,1545]" captionTargetBox="[125,1440,151,1503]" captionTargetId="figure-226@81.[121,1112,670,1505]" captionTargetPageId="81" captionText="Text-fig. 51. Scanning electron microscope (SEM) images of tricolpate pollen of Mcdougallia irregularis gen. et sp. nov. from a stamen fragment; Torres Vedras locality, Portugal. a) Holotype; stamen fragment that yielded the pollen in this Text-figure; b) Polar view of tricolpate pollen grain showing the continuous psilate tectum in the apocolpium and the poorly developed discontinuous foveolate-reticulate tectum in the mesocolpial areas, note irregular fold in tectum wall (arrowhead); c) Equatorial view of pollen grain showing the discontinuous tectum in the mesocolpial areas; d) Pollen grains showing variably developed tectum, colpi with a finely granular aperture membrane and the folds (arrowheads) associated with the irregular development of the colpi; e) Orbicule showing faintly striate surface; f) Pollen wall showing very short columellae, thin tectum and thin foot layer. Specimen, TV44-S148215 (holotype). Scale bars 300 Μm (a), 6 Μm (b–d), 3 Μm (e, f)." figureDoi="http://doi.org/10.5281/zenodo.5386373" httpUri="https://zenodo.org/record/5386373/files/figure.png" pageId="80" pageNumber="233">Text-fig. 51f</figureCitation>
|
||
). The colpus membrane is finely verrucate (
|
||
<figureCitation id="13047183BF5FC253CE0AB7CBE4811E47" box="[850,1017,509,534]" captionStart="Text-fig" captionStartId="81.[125,206,1524,1545]" captionTargetBox="[125,1440,151,1503]" captionTargetId="figure-226@81.[121,1112,670,1505]" captionTargetPageId="81" captionText="Text-fig. 51. Scanning electron microscope (SEM) images of tricolpate pollen of Mcdougallia irregularis gen. et sp. nov. from a stamen fragment; Torres Vedras locality, Portugal. a) Holotype; stamen fragment that yielded the pollen in this Text-figure; b) Polar view of tricolpate pollen grain showing the continuous psilate tectum in the apocolpium and the poorly developed discontinuous foveolate-reticulate tectum in the mesocolpial areas, note irregular fold in tectum wall (arrowhead); c) Equatorial view of pollen grain showing the discontinuous tectum in the mesocolpial areas; d) Pollen grains showing variably developed tectum, colpi with a finely granular aperture membrane and the folds (arrowheads) associated with the irregular development of the colpi; e) Orbicule showing faintly striate surface; f) Pollen wall showing very short columellae, thin tectum and thin foot layer. Specimen, TV44-S148215 (holotype). Scale bars 300 Μm (a), 6 Μm (b–d), 3 Μm (e, f)." figureDoi="http://doi.org/10.5281/zenodo.5386373" httpUri="https://zenodo.org/record/5386373/files/figure.png" pageId="80" pageNumber="233">Text-fig. 51c, d</figureCitation>
|
||
). Orbicules are densely spaced on the inner surface of the anther wall and scattered on the surface of the pollen. They are small and spherical with a faintly striate surface (
|
||
<figureCitation id="13047183BF5FC253CEFEB46AE34A1E26" box="[934,1074,607,631]" captionStart="Text-fig" captionStartId="81.[125,206,1524,1545]" captionTargetBox="[125,1440,151,1503]" captionTargetId="figure-226@81.[121,1112,670,1505]" captionTargetPageId="81" captionText="Text-fig. 51. Scanning electron microscope (SEM) images of tricolpate pollen of Mcdougallia irregularis gen. et sp. nov. from a stamen fragment; Torres Vedras locality, Portugal. a) Holotype; stamen fragment that yielded the pollen in this Text-figure; b) Polar view of tricolpate pollen grain showing the continuous psilate tectum in the apocolpium and the poorly developed discontinuous foveolate-reticulate tectum in the mesocolpial areas, note irregular fold in tectum wall (arrowhead); c) Equatorial view of pollen grain showing the discontinuous tectum in the mesocolpial areas; d) Pollen grains showing variably developed tectum, colpi with a finely granular aperture membrane and the folds (arrowheads) associated with the irregular development of the colpi; e) Orbicule showing faintly striate surface; f) Pollen wall showing very short columellae, thin tectum and thin foot layer. Specimen, TV44-S148215 (holotype). Scale bars 300 Μm (a), 6 Μm (b–d), 3 Μm (e, f)." figureDoi="http://doi.org/10.5281/zenodo.5386373" httpUri="https://zenodo.org/record/5386373/files/figure.png" pageId="80" pageNumber="233">Text-fig. 51e</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8B806D06BF5FC253CE29B4BAE2521F78" blockId="80.[843,1482,655,810]" pageId="80" pageNumber="233">
|
||
Affinity and other occurrences.
|
||
<taxonomicName id="4C3F1685BF5FC253CE13B49AE32C1E96" authorityName="E. M. FRIIS, P. R. CRANE et K. R. PEDERSEN" authorityYear="2019" box="[843,1108,687,711]" class="Magnoliopsida" family="Schisandraceae" genus="Mcdougallia" kingdom="Plantae" order="Austrobaileyales" pageId="80" pageNumber="233" phylum="Tracheophyta" rank="species" species="irregularis">
|
||
<emphasis id="B94BB114BF5FC253CE13B49AE32C1E96" box="[843,1108,687,711]" italics="true" pageId="80" pageNumber="233">Mcdougallia irregularis</emphasis>
|
||
</taxonomicName>
|
||
is known only from the Torres Vedras locality. The triaperturate pollen grains clearly indicate a relationship to eudicots, but specific relationships to extant taxa within the group are uncertain.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |