311 lines
29 KiB
XML
311 lines
29 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.191.78489" ID-GBIF-Dataset="b8e18bf2-fb29-40c4-9e04-e3c2e5e29e3c" ID-PMC="PMC8917116" ID-Pensoft-Pub="1314-2003-192-11" ID-Pensoft-UUID="80B0B91DF3EE5238B9B82B978926E39C" ID-PubMed="35437388" ModsDocID="1314-2003-192-11" checkinTime="1646454878114" checkinUser="pensoft" docAuthor="Yu, Pan, You, Qingmin, Pang, Wanting & Wang, Quanxi" docDate="2022" docId="4341DFD2EB4A52C8B84D480F5AA60F23" docLanguage="en" docName="PhytoKeys 192: 11-28" docOrigin="PhytoKeys 192" docPubDate="2022-03-04" docSource="http://dx.doi.org/10.3897/phytokeys.191.78489" docTitle="Achnanthidium qingxiense Q. M. You, P. Yu & Q. X. Wang 2022, sp. nov." docType="treatment" docVersion="4" id="80B0B91DF3EE5238B9B82B978926E39C" lastPageNumber="11" masterDocId="80B0B91DF3EE5238B9B82B978926E39C" masterDocTitle="Two new freshwater species of the genus Achnanthidium (Bacillariophyta, Achnanthidiaceae) from Qingxi River, China" masterLastPageNumber="28" masterPageNumber="11" pageNumber="11" updateTime="1668140669317" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Two new freshwater species of the genus Achnanthidium (Bacillariophyta, Achnanthidiaceae) from Qingxi River, China</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Yu, Pan</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-7937-2381</mods:nameIdentifier>
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<mods:affiliation>College of Life and Environmental Sciences, Shanghai Normal University, Shanghai 200234, China & Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, China</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>You, Qingmin</mods:namePart>
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<mods:affiliation>College of Life and Environmental Sciences, Shanghai Normal University, Shanghai 200234, China</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Pang, Wanting</mods:namePart>
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<mods:affiliation>College of Life and Environmental Sciences, Shanghai Normal University, Shanghai 200234, China</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Wang, Quanxi</mods:namePart>
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<mods:affiliation>College of Life and Environmental Sciences, Shanghai Normal University, Shanghai 200234, China</mods:affiliation>
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<mods:nameIdentifier type="email">wangqx@shnu.edu.cn</mods:nameIdentifier>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>PhytoKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2022</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2022-03-04</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>192</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>11</mods:start>
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<mods:end>28</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/phytokeys.191.78489</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.191.78489</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2003-192-11</mods:identifier>
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<mods:identifier type="Pensoft-UUID">80B0B91DF3EE5238B9B82B978926E39C</mods:identifier>
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</mods:mods>
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<subSection pageId="0" pageNumber="11" type="results">
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<treatment ID-GBIF-Taxon="193874010" LSID="urn:lsid:plazi:treatment:4341DFD2EB4A52C8B84D480F5AA60F23" httpUri="http://treatment.plazi.org/id/4341DFD2EB4A52C8B84D480F5AA60F23" lastPageNumber="11" pageId="0" pageNumber="11">
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<subSubSection pageId="0" pageNumber="11" type="nomenclature">
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<paragraph pageId="0" pageNumber="11">
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<taxonomicName LSID="4341DFD2-EB4A-52C8-B84D-480F5AA60F23" authority="Q. M. You, P. Yu & Q. X. Wang" authorityName="Q. M. You, P. Yu & Q. X. Wang" authorityYear="2022" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="treatment-meta" kingdom="Plantae" lsidName="Achnanthidium qingxiense" order="Cocconeidales" pageId="0" pageNumber="11" phylum="Bacillariophyta" rank="species" species="qingxiense" status="sp. nov.">Achnanthidium qingxiense Q. M. You, P. Yu & Q. X. Wang</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="11">sp. nov.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="11" type="description">
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<paragraph pageId="0" pageNumber="11">
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<figureCitation captionStart="Figures 1" captionStartId="F1" captionText="Figures 1. A-AD LM valve views of Achnanthidium anhuense sp. nov. AE-AS LM valve views of Achnanthidium qingxiense sp. nov. Scale bar: 10 µm." figureDoi="10.3897/phytokeys.191.78489.figures1" httpUri="https://binary.pensoft.net/fig/653702" pageId="0" pageNumber="11">Figs 1AE</figureCitation>
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<figureCitation captionStart="Figures 1" captionStartId="F1" captionText="Figures 1. A-AD LM valve views of Achnanthidium anhuense sp. nov. AE-AS LM valve views of Achnanthidium qingxiense sp. nov. Scale bar: 10 µm." figureDoi="10.3897/phytokeys.191.78489.figures1" httpUri="https://binary.pensoft.net/fig/653702" pageId="0" pageNumber="11">-AS</figureCitation>
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<figureCitation captionStart="Figures 6" captionStartId="F6" captionText="Figures 6. A-C Achnanthidium qingxiense sp. nov., SEM external views of raphe valve A external view of an entire raphe valve B apices of the valve, showing the distal raphe ends C central area of the valve, showing the proximal raphe ends. Scale bars: 5 µm (A); 1 µm (B, C)." figureDoi="10.3897/phytokeys.191.78489.figures6" httpUri="https://binary.pensoft.net/fig/653707" pageId="0" pageNumber="11">, 6</figureCitation>
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<figureCitation captionStart="Figures 9" captionStartId="F9" captionText="Figures 9. A-F Achnanthidium qingxiense sp. nov., SEM internal views of rapheless valve A, B internal view of an entire rapheless valve C, D apices of the valve E central area of the valve F internal areola openings with fine hymenate structures. Scale bars: 5 µm (A, B); 1 µm (E); 0.5 µm (C, D); 0.3 µm (F)." figureDoi="10.3897/phytokeys.191.78489.figures9" httpUri="https://binary.pensoft.net/fig/653710" pageId="0" pageNumber="11">-9</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="11" type="description">
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<paragraph pageId="0" pageNumber="11">Description.</paragraph>
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<paragraph pageId="0" pageNumber="11">
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<emphasis bold="true" pageId="0" pageNumber="11">LM</emphasis>
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(Fig.
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<figureCitation captionStart="Figures 1" captionStartId="F1" captionText="Figures 1. A-AD LM valve views of Achnanthidium anhuense sp. nov. AE-AS LM valve views of Achnanthidium qingxiense sp. nov. Scale bar: 10 µm." figureDoi="10.3897/phytokeys.191.78489.figures1" httpUri="https://binary.pensoft.net/fig/653702" pageId="0" pageNumber="11">1AE</figureCitation>
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-
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<figureCitation captionStart="Figures 1" captionStartId="F1" captionText="Figures 1. A-AD LM valve views of Achnanthidium anhuense sp. nov. AE-AS LM valve views of Achnanthidium qingxiense sp. nov. Scale bar: 10 µm." figureDoi="10.3897/phytokeys.191.78489.figures1" httpUri="https://binary.pensoft.net/fig/653702" pageId="0" pageNumber="11">AS</figureCitation>
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). Valves linear-lanceolate in shape, with rounded or weakly protracted apices. The valve length is 22.5-28
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<normalizedToken originalValue="µm">µm</normalizedToken>
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and breadth of 3.8-4.6
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<normalizedToken originalValue="µm">µm</normalizedToken>
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(n = 30). Raphe valve with a narrow, linear-lanceolate axial area is weakly expanded at the middle portion of the valve. Striae slightly radiate at the centre area, becoming denser towards the apices, 21-25 in 10
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<normalizedToken originalValue="µm">µm</normalizedToken>
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at the centre, 42-44 in 10
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<normalizedToken originalValue="µm">µm</normalizedToken>
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near the apices. Rapheless valve with narrow, linear axial area is weakly expanded at the middle portion of the valve. Striae are nearly parallel, becoming denser towards the apices, 20-24 in 10
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<normalizedToken originalValue="µm">µm</normalizedToken>
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at the centre, up to 32-34 in 10
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<normalizedToken originalValue="µm">µm</normalizedToken>
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at the apices.
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</paragraph>
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<paragraph pageId="0" pageNumber="11">
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In the SEM, on both valves, the valve mantle has a single row of slit-like areolae (Figs
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<figureCitation captionStart="Figures 6" captionStartId="F6" captionText="Figures 6. A-C Achnanthidium qingxiense sp. nov., SEM external views of raphe valve A external view of an entire raphe valve B apices of the valve, showing the distal raphe ends C central area of the valve, showing the proximal raphe ends. Scale bars: 5 µm (A); 1 µm (B, C)." figureDoi="10.3897/phytokeys.191.78489.figures6" httpUri="https://binary.pensoft.net/fig/653707" pageId="0" pageNumber="11">6B, C</figureCitation>
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,
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<figureCitation captionStart="Figures 8" captionStartId="F8" captionText="Figures 8. A-E Achnanthidium qingxiense sp. nov., SEM external views of rapheless valve A, B external view of an entire rapheless valve C, D apices of the valve E central area of the valve. Scale bars: 5 µm (A, B); 1 µm (E); 0.5 µm (C, D)." figureDoi="10.3897/phytokeys.191.78489.figures8" httpUri="https://binary.pensoft.net/fig/653709" pageId="0" pageNumber="11">8A, B</figureCitation>
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). Externally, the raphe is filiform, slightly undulate and has distal raphe ends deflected to the same side (Fig.
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<figureCitation captionStart="Figures 6" captionStartId="F6" captionText="Figures 6. A-C Achnanthidium qingxiense sp. nov., SEM external views of raphe valve A external view of an entire raphe valve B apices of the valve, showing the distal raphe ends C central area of the valve, showing the proximal raphe ends. Scale bars: 5 µm (A); 1 µm (B, C)." figureDoi="10.3897/phytokeys.191.78489.figures6" httpUri="https://binary.pensoft.net/fig/653707" pageId="0" pageNumber="11">6A</figureCitation>
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). On the side of the deflection, there is a depression near the distal raphe ends (Fig.
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<figureCitation captionStart="Figures 6" captionStartId="F6" captionText="Figures 6. A-C Achnanthidium qingxiense sp. nov., SEM external views of raphe valve A external view of an entire raphe valve B apices of the valve, showing the distal raphe ends C central area of the valve, showing the proximal raphe ends. Scale bars: 5 µm (A); 1 µm (B, C)." figureDoi="10.3897/phytokeys.191.78489.figures6" httpUri="https://binary.pensoft.net/fig/653707" pageId="0" pageNumber="11">6A, B</figureCitation>
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). The proximal raphe ends are straight and teardrop-shaped (Fig.
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<figureCitation captionStart="Figures 6" captionStartId="F6" captionText="Figures 6. A-C Achnanthidium qingxiense sp. nov., SEM external views of raphe valve A external view of an entire raphe valve B apices of the valve, showing the distal raphe ends C central area of the valve, showing the proximal raphe ends. Scale bars: 5 µm (A); 1 µm (B, C)." figureDoi="10.3897/phytokeys.191.78489.figures6" httpUri="https://binary.pensoft.net/fig/653707" pageId="0" pageNumber="11">6A, C</figureCitation>
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). Areolae are small, round to transapically orientated, the uniseriate striae are composed of 5-8 areolae in the middle portion of the valve (Fig.
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<figureCitation captionStart="Figures 6" captionStartId="F6" captionText="Figures 6. A-C Achnanthidium qingxiense sp. nov., SEM external views of raphe valve A external view of an entire raphe valve B apices of the valve, showing the distal raphe ends C central area of the valve, showing the proximal raphe ends. Scale bars: 5 µm (A); 1 µm (B, C)." figureDoi="10.3897/phytokeys.191.78489.figures6" httpUri="https://binary.pensoft.net/fig/653707" pageId="0" pageNumber="11">6A, C</figureCitation>
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) and 1-5 areolae at the apex (Fig.
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<figureCitation captionStart="Figures 6" captionStartId="F6" captionText="Figures 6. A-C Achnanthidium qingxiense sp. nov., SEM external views of raphe valve A external view of an entire raphe valve B apices of the valve, showing the distal raphe ends C central area of the valve, showing the proximal raphe ends. Scale bars: 5 µm (A); 1 µm (B, C)." figureDoi="10.3897/phytokeys.191.78489.figures6" httpUri="https://binary.pensoft.net/fig/653707" pageId="0" pageNumber="11">6A, B</figureCitation>
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). Internally, distal raphe ends terminate in raised helictoglossae (Fig.
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<figureCitation captionStart="Figures 7" captionStartId="F7" captionText="Figures 7. A-E Achnanthidium qingxiense sp. nov., SEM internal views of raphe valve A, B internal view of an entire raphe valve C apices of the valve, showing the distal raphe ends E central area of the valve, showing the proximal raphe ends D internal areola openings with fine hymenate structures. Scale bars 5 µm (A, B); 1 µm (C, E); 0.3 µm (D)." figureDoi="10.3897/phytokeys.191.78489.figures7" httpUri="https://binary.pensoft.net/fig/653708" pageId="0" pageNumber="11">7A-C</figureCitation>
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), while the proximal raphe ends are weakly deflected in opposite directions (Fig.
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<figureCitation captionStart="Figures 7" captionStartId="F7" captionText="Figures 7. A-E Achnanthidium qingxiense sp. nov., SEM internal views of raphe valve A, B internal view of an entire raphe valve C apices of the valve, showing the distal raphe ends E central area of the valve, showing the proximal raphe ends D internal areola openings with fine hymenate structures. Scale bars 5 µm (A, B); 1 µm (C, E); 0.3 µm (D)." figureDoi="10.3897/phytokeys.191.78489.figures7" httpUri="https://binary.pensoft.net/fig/653708" pageId="0" pageNumber="11">7A, B, E</figureCitation>
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). Areolae transapically elongated in the central portion of the valve and becoming larger and oblong at the apices (Fig.
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<figureCitation captionStart="Figures 7" captionStartId="F7" captionText="Figures 7. A-E Achnanthidium qingxiense sp. nov., SEM internal views of raphe valve A, B internal view of an entire raphe valve C apices of the valve, showing the distal raphe ends E central area of the valve, showing the proximal raphe ends D internal areola openings with fine hymenate structures. Scale bars 5 µm (A, B); 1 µm (C, E); 0.3 µm (D)." figureDoi="10.3897/phytokeys.191.78489.figures7" httpUri="https://binary.pensoft.net/fig/653708" pageId="0" pageNumber="11">7A-C, E</figureCitation>
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).
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</paragraph>
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<caption doi="10.3897/phytokeys.191.78489.figures6" httpUri="https://binary.pensoft.net/fig/653707" pageId="0" pageNumber="11" start="Figures 6" startId="F6">
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<paragraph pageId="0" pageNumber="11">
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<emphasis bold="true" pageId="0" pageNumber="11">Figures 6.</emphasis>
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<emphasis bold="true" pageId="0" pageNumber="11">A-C</emphasis>
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<taxonomicName authorityName="Q. M. You, P. Yu & Q. X. Wang" authorityYear="2022" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" kingdom="Plantae" lsidName="Achnanthidium qingxiense" order="Cocconeidales" pageId="0" pageNumber="11" phylum="Bacillariophyta" rank="species" species="qingxiense">
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<emphasis italics="true" pageId="0" pageNumber="11">Achnanthidium qingxiense</emphasis>
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</taxonomicName>
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sp. nov., SEM external views of raphe valve
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<emphasis bold="true" pageId="0" pageNumber="11">A</emphasis>
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external view of an entire raphe valve
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<emphasis bold="true" pageId="0" pageNumber="11">B</emphasis>
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apices of the valve, showing the distal raphe ends
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<emphasis bold="true" pageId="0" pageNumber="11">C</emphasis>
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central area of the valve, showing the proximal raphe ends. Scale bars: 5
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<normalizedToken originalValue="µm">µm</normalizedToken>
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(
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<emphasis bold="true" pageId="0" pageNumber="11">A</emphasis>
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); 1
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<normalizedToken originalValue="µm">µm</normalizedToken>
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(
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<emphasis bold="true" pageId="0" pageNumber="11">B, C</emphasis>
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).
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</paragraph>
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</caption>
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<caption doi="10.3897/phytokeys.191.78489.figures7" httpUri="https://binary.pensoft.net/fig/653708" pageId="0" pageNumber="11" start="Figures 7" startId="F7">
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<paragraph pageId="0" pageNumber="11">
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<emphasis bold="true" pageId="0" pageNumber="11">Figures 7.</emphasis>
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<emphasis bold="true" pageId="0" pageNumber="11">A-E</emphasis>
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<taxonomicName authorityName="Q. M. You, P. Yu & Q. X. Wang" authorityYear="2022" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" kingdom="Plantae" lsidName="Achnanthidium qingxiense" order="Cocconeidales" pageId="0" pageNumber="11" phylum="Bacillariophyta" rank="species" species="qingxiense">
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<emphasis italics="true" pageId="0" pageNumber="11">Achnanthidium qingxiense</emphasis>
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</taxonomicName>
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sp. nov., SEM internal views of raphe valve
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<emphasis bold="true" pageId="0" pageNumber="11">A, B</emphasis>
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internal view of an entire raphe valve
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<emphasis bold="true" pageId="0" pageNumber="11">C</emphasis>
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apices of the valve, showing the distal raphe ends
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<emphasis bold="true" pageId="0" pageNumber="11">E</emphasis>
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central area of the valve, showing the proximal raphe ends
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<emphasis bold="true" pageId="0" pageNumber="11">D</emphasis>
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internal areola openings with fine hymenate structures. Scale bars 5
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<normalizedToken originalValue="µm">µm</normalizedToken>
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(
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<emphasis bold="true" pageId="0" pageNumber="11">A, B</emphasis>
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); 1
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<normalizedToken originalValue="µm">µm</normalizedToken>
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(
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<emphasis bold="true" pageId="0" pageNumber="11">C, E</emphasis>
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); 0.3
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<normalizedToken originalValue="µm">µm</normalizedToken>
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(
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<emphasis bold="true" pageId="0" pageNumber="11">D</emphasis>
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).
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</paragraph>
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</caption>
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<paragraph pageId="0" pageNumber="11">
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Rapheless valve: Externally, the axial area is linear, being weakly expanded at the central area and distinctly expanded at the apices (Fig.
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<figureCitation captionStart="Figures 8" captionStartId="F8" captionText="Figures 8. A-E Achnanthidium qingxiense sp. nov., SEM external views of rapheless valve A, B external view of an entire rapheless valve C, D apices of the valve E central area of the valve. Scale bars: 5 µm (A, B); 1 µm (E); 0.5 µm (C, D)." figureDoi="10.3897/phytokeys.191.78489.figures8" httpUri="https://binary.pensoft.net/fig/653709" pageId="0" pageNumber="11">8A-E</figureCitation>
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). Striae are uniseriate, comprise of 5-10 round or transapically orientated areolae in the central area (Fig.
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<figureCitation captionStart="Figures 8" captionStartId="F8" captionText="Figures 8. A-E Achnanthidium qingxiense sp. nov., SEM external views of rapheless valve A, B external view of an entire rapheless valve C, D apices of the valve E central area of the valve. Scale bars: 5 µm (A, B); 1 µm (E); 0.5 µm (C, D)." figureDoi="10.3897/phytokeys.191.78489.figures8" httpUri="https://binary.pensoft.net/fig/653709" pageId="0" pageNumber="11">8A, B, E</figureCitation>
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) and 1-4 round, oblong or slit-like areolae at the apices (Fig.
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<figureCitation captionStart="Figures 8" captionStartId="F8" captionText="Figures 8. A-E Achnanthidium qingxiense sp. nov., SEM external views of rapheless valve A, B external view of an entire rapheless valve C, D apices of the valve E central area of the valve. Scale bars: 5 µm (A, B); 1 µm (E); 0.5 µm (C, D)." figureDoi="10.3897/phytokeys.191.78489.figures8" httpUri="https://binary.pensoft.net/fig/653709" pageId="0" pageNumber="11">8A-D</figureCitation>
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). Internally, the axial area is slightly raised, with a subtriangular area at the ends of the axial area (Fig.
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<figureCitation captionStart="Figures 9" captionStartId="F9" captionText="Figures 9. A-F Achnanthidium qingxiense sp. nov., SEM internal views of rapheless valve A, B internal view of an entire rapheless valve C, D apices of the valve E central area of the valve F internal areola openings with fine hymenate structures. Scale bars: 5 µm (A, B); 1 µm (E); 0.5 µm (C, D); 0.3 µm (F)." figureDoi="10.3897/phytokeys.191.78489.figures9" httpUri="https://binary.pensoft.net/fig/653710" pageId="0" pageNumber="11">9A-D</figureCitation>
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). Areolae are transapically oval in the centre of the valve (Fig.
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<figureCitation captionStart="Figures 9" captionStartId="F9" captionText="Figures 9. A-F Achnanthidium qingxiense sp. nov., SEM internal views of rapheless valve A, B internal view of an entire rapheless valve C, D apices of the valve E central area of the valve F internal areola openings with fine hymenate structures. Scale bars: 5 µm (A, B); 1 µm (E); 0.5 µm (C, D); 0.3 µm (F)." figureDoi="10.3897/phytokeys.191.78489.figures9" httpUri="https://binary.pensoft.net/fig/653710" pageId="0" pageNumber="11">9A, B, E</figureCitation>
|
||
) and large, irregular and oblong at the ends (Fig.
|
||
<figureCitation captionStart="Figures 9" captionStartId="F9" captionText="Figures 9. A-F Achnanthidium qingxiense sp. nov., SEM internal views of rapheless valve A, B internal view of an entire rapheless valve C, D apices of the valve E central area of the valve F internal areola openings with fine hymenate structures. Scale bars: 5 µm (A, B); 1 µm (E); 0.5 µm (C, D); 0.3 µm (F)." figureDoi="10.3897/phytokeys.191.78489.figures9" httpUri="https://binary.pensoft.net/fig/653710" pageId="0" pageNumber="11">9A-D</figureCitation>
|
||
). On both interiors of both valves, areolae are occluded by hymenes perforated by delicate slits and each hymene joins with the adjacent hymene (Figs
|
||
<figureCitation captionStart="Figures 7" captionStartId="F7" captionText="Figures 7. A-E Achnanthidium qingxiense sp. nov., SEM internal views of raphe valve A, B internal view of an entire raphe valve C apices of the valve, showing the distal raphe ends E central area of the valve, showing the proximal raphe ends D internal areola openings with fine hymenate structures. Scale bars 5 µm (A, B); 1 µm (C, E); 0.3 µm (D)." figureDoi="10.3897/phytokeys.191.78489.figures7" httpUri="https://binary.pensoft.net/fig/653708" pageId="0" pageNumber="11">7D</figureCitation>
|
||
,
|
||
<figureCitation captionStart="Figures 9" captionStartId="F9" captionText="Figures 9. A-F Achnanthidium qingxiense sp. nov., SEM internal views of rapheless valve A, B internal view of an entire rapheless valve C, D apices of the valve E central area of the valve F internal areola openings with fine hymenate structures. Scale bars: 5 µm (A, B); 1 µm (E); 0.5 µm (C, D); 0.3 µm (F)." figureDoi="10.3897/phytokeys.191.78489.figures9" httpUri="https://binary.pensoft.net/fig/653710" pageId="0" pageNumber="11">9F</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<caption doi="10.3897/phytokeys.191.78489.figures8" httpUri="https://binary.pensoft.net/fig/653709" pageId="0" pageNumber="11" start="Figures 8" startId="F8">
|
||
<paragraph pageId="0" pageNumber="11">
|
||
<emphasis bold="true" pageId="0" pageNumber="11">Figures 8.</emphasis>
|
||
<emphasis bold="true" pageId="0" pageNumber="11">A-E</emphasis>
|
||
<taxonomicName authorityName="Q. M. You, P. Yu & Q. X. Wang" authorityYear="2022" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" kingdom="Plantae" lsidName="Achnanthidium qingxiense" order="Cocconeidales" pageId="0" pageNumber="11" phylum="Bacillariophyta" rank="species" species="qingxiense">
|
||
<emphasis italics="true" pageId="0" pageNumber="11">Achnanthidium qingxiense</emphasis>
|
||
</taxonomicName>
|
||
sp. nov., SEM external views of rapheless valve
|
||
<emphasis bold="true" pageId="0" pageNumber="11">A, B</emphasis>
|
||
external view of an entire rapheless valve
|
||
<emphasis bold="true" pageId="0" pageNumber="11">C, D</emphasis>
|
||
apices of the valve
|
||
<emphasis bold="true" pageId="0" pageNumber="11">E</emphasis>
|
||
central area of the valve. Scale bars: 5
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
(
|
||
<emphasis bold="true" pageId="0" pageNumber="11">A, B</emphasis>
|
||
); 1
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
(
|
||
<emphasis bold="true" pageId="0" pageNumber="11">E</emphasis>
|
||
); 0.5
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
(
|
||
<emphasis bold="true" pageId="0" pageNumber="11">C, D</emphasis>
|
||
).
|
||
</paragraph>
|
||
</caption>
|
||
<caption doi="10.3897/phytokeys.191.78489.figures9" httpUri="https://binary.pensoft.net/fig/653710" pageId="0" pageNumber="11" start="Figures 9" startId="F9">
|
||
<paragraph pageId="0" pageNumber="11">
|
||
<emphasis bold="true" pageId="0" pageNumber="11">Figures 9.</emphasis>
|
||
<emphasis bold="true" pageId="0" pageNumber="11">A-F</emphasis>
|
||
<taxonomicName authorityName="Q. M. You, P. Yu & Q. X. Wang" authorityYear="2022" class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" kingdom="Plantae" lsidName="Achnanthidium qingxiense" order="Cocconeidales" pageId="0" pageNumber="11" phylum="Bacillariophyta" rank="species" species="qingxiense">
|
||
<emphasis italics="true" pageId="0" pageNumber="11">Achnanthidium qingxiense</emphasis>
|
||
</taxonomicName>
|
||
sp. nov., SEM internal views of rapheless valve
|
||
<emphasis bold="true" pageId="0" pageNumber="11">A, B</emphasis>
|
||
internal view of an entire rapheless valve
|
||
<emphasis bold="true" pageId="0" pageNumber="11">C, D</emphasis>
|
||
apices of the valve
|
||
<emphasis bold="true" pageId="0" pageNumber="11">E</emphasis>
|
||
central area of the valve
|
||
<emphasis bold="true" pageId="0" pageNumber="11">F</emphasis>
|
||
internal areola openings with fine hymenate structures. Scale bars: 5
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
(
|
||
<emphasis bold="true" pageId="0" pageNumber="11">A, B</emphasis>
|
||
); 1
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
(
|
||
<emphasis bold="true" pageId="0" pageNumber="11">E</emphasis>
|
||
); 0.5
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
(
|
||
<emphasis bold="true" pageId="0" pageNumber="11">C, D</emphasis>
|
||
); 0.3
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
(
|
||
<emphasis bold="true" pageId="0" pageNumber="11">F</emphasis>
|
||
).
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="11" type="holotype">
|
||
<paragraph pageId="0" pageNumber="11">Holotype</paragraph>
|
||
<paragraph pageId="0" pageNumber="11">
|
||
<emphasis bold="true" pageId="0" pageNumber="11">(designated here).</emphasis>
|
||
SHTU! Slide QXH201801-Z7 in Lab of
|
||
<taxonomicName genus="Algae" lsidName="" pageId="0" pageNumber="11" rank="genus">Algae</taxonomicName>
|
||
and Environment, College of Life Sciences, Shanghai Normal University, Shanghai, China. Holotype illustrated in Fig.
|
||
<figureCitation captionStart="Figures 1" captionStartId="F1" captionText="Figures 1. A-AD LM valve views of Achnanthidium anhuense sp. nov. AE-AS LM valve views of Achnanthidium qingxiense sp. nov. Scale bar: 10 µm." figureDoi="10.3897/phytokeys.191.78489.figures1" httpUri="https://binary.pensoft.net/fig/653702" pageId="0" pageNumber="11">1AJ</figureCitation>
|
||
,
|
||
<figureCitation captionStart="Figures 1" captionStartId="F1" captionText="Figures 1. A-AD LM valve views of Achnanthidium anhuense sp. nov. AE-AS LM valve views of Achnanthidium qingxiense sp. nov. Scale bar: 10 µm." figureDoi="10.3897/phytokeys.191.78489.figures1" httpUri="https://binary.pensoft.net/fig/653702" pageId="0" pageNumber="11">AO</figureCitation>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="11" type="registration">
|
||
<paragraph pageId="0" pageNumber="11">Registration.</paragraph>
|
||
<paragraph pageId="0" pageNumber="11">http://phycobank.org/103058</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="11" type="type locality">
|
||
<paragraph pageId="0" pageNumber="11">Type locality.</paragraph>
|
||
<paragraph pageId="0" pageNumber="11">
|
||
China. Qingxi River, Anhui Province,
|
||
<geoCoordinate degrees="30" direction="north" minutes="14" orientation="latitude" precision="15" seconds="39" value="30.244167">30°14'39"N</geoCoordinate>
|
||
,
|
||
<geoCoordinate degrees="117" direction="east" minutes="49" orientation="longitude" precision="15" seconds="58" value="117.83278">117°49'58"E</geoCoordinate>
|
||
,
|
||
<emphasis italics="true" pageId="0" pageNumber="11">leg. Q.X. Wang and P. Yu</emphasis>
|
||
,
|
||
<emphasis italics="true" pageId="0" pageNumber="11">23th January 2018</emphasis>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="11" type="etymology">
|
||
<paragraph pageId="0" pageNumber="11">Etymology.</paragraph>
|
||
<paragraph pageId="0" pageNumber="11">The species is named after Qingxi River, where it was discovered.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="11" type="ecology">
|
||
<paragraph pageId="0" pageNumber="11">Ecology.</paragraph>
|
||
<paragraph pageId="0" pageNumber="11">
|
||
Collected in one sample (QXH201801-Z7) on stone. The environmental conditions are exactly the same as for the
|
||
<taxonomicName higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="A. dubium" order="Bacillariales" pageId="0" pageNumber="11" phylum="Bacillariophyta" rank="species" species="dubium">
|
||
<emphasis italics="true" pageId="0" pageNumber="11">A. dubium</emphasis>
|
||
</taxonomicName>
|
||
sp. nov.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="11" type="distribution">
|
||
<paragraph pageId="0" pageNumber="11">Distribution.</paragraph>
|
||
<paragraph pageId="0" pageNumber="11">The new species is known only from the type locality.</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</subSection>
|
||
</document> |