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<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.228.101080" ID-Pensoft-Pub="1314-2003-228-1" ID-Pensoft-UUID="576A4D0BFA9A5B62B60571F9F54D9E9F" ModsDocID="1314-2003-228-1" checkinTime="1687555800880" checkinUser="pensoft" docAuthor="Liu, Bing" docDate="2023" docId="96A4A27C9D8052D2B6EB4C0B0A645655" docLanguage="en" docName="PhytoKeys 228: 1-118" docOrigin="PhytoKeys 228" docPubDate="2023-06-23" docSource="http://dx.doi.org/10.3897/phytokeys.228.101080" docTitle="Ulnaria wuling-biseriata Bing Liu 2023, sp. nov." docType="treatment" docVersion="1" id="576A4D0BFA9A5B62B60571F9F54D9E9F" lastPageNumber="1" masterDocId="576A4D0BFA9A5B62B60571F9F54D9E9F" masterDocTitle="The diatom genus Ulnaria (Bacillariophyta) in China" masterLastPageNumber="118" masterPageNumber="1" pageNumber="1" updateTime="1687555800880" updateUser="pensoft">
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<mods:title id="4956BE5C63EC5DD6E03BA94681F6610C">The diatom genus Ulnaria (Bacillariophyta) in China</mods:title>
</mods:titleInfo>
<mods:name id="CD228AB9542014AABFA208DE67DD9A2C" type="personal">
<mods:role id="6F2ED74A210E9918BE75FA2D40180CFC">
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<mods:namePart id="BB785AFC12D8C99AC6D4E57982297F0C">Liu, Bing</mods:namePart>
<mods:nameIdentifier id="885CEE8D97376DC16FAFB562AAC138C8" type="ORCID">https://orcid.org/0000-0002-8516-325X</mods:nameIdentifier>
<mods:affiliation id="5A71308DDCE0892CB84CE712BF90995A">College of Biology and Environmental Sciences, Jishou University, Jishou 416000, China</mods:affiliation>
<mods:nameIdentifier id="3B7699EC51AA806DB43F7402E0227DD7" type="email">jsulb@outlook.com</mods:nameIdentifier>
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<mods:title id="232557485E708314A6872C965215DB69">PhytoKeys</mods:title>
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<mods:part id="B023B1598062520C895B3E5CA44F9E4D">
<mods:date id="25AB2A87E9A1AD3A78DF85A820C8E233">2023</mods:date>
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<mods:number id="D0958B1C8C8E2E4277FF30E92270266F">2023-06-23</mods:number>
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<mods:number id="FC2159504C2E161F820F1790B1401D82">228</mods:number>
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<mods:url id="9724D4CC0A746830158CF84CAC8295DA">http://dx.doi.org/10.3897/phytokeys.228.101080</mods:url>
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<mods:classification id="132999679144E80468B7DF0C1A5546E8">journal article</mods:classification>
<mods:identifier id="05E2F5C416ADC3AB5FC0211805D70431" type="DOI">http://dx.doi.org/10.3897/phytokeys.228.101080</mods:identifier>
<mods:identifier id="AFEDAD6AA94FEE3CAF5F7E9CF1DB0422" type="Pensoft-Pub">1314-2003-228-1</mods:identifier>
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<treatment id="96A4A27C9D8052D2B6EB4C0B0A645655" LSID="urn:lsid:plazi:treatment:96A4A27C9D8052D2B6EB4C0B0A645655" httpUri="http://treatment.plazi.org/id/96A4A27C9D8052D2B6EB4C0B0A645655" lastPageNumber="1" pageId="0" pageNumber="1">
<subSubSection id="BC190ACD157F704E63513759176277F4" pageId="0" pageNumber="1" type="nomenclature">
<paragraph id="DE0DF33AE891E92A46462B9CA30992D1" pageId="0" pageNumber="1">
<taxonomicName id="641CAF298BA1AB33E8B53D20E2DA6126" LSID="96A4A27C-9D80-52D2-B6EB-4C0B0A645655" authority="Bing Liu" authorityName="Bing Liu" authorityYear="2023" class="Bacillariophyceae" family="Ulnariaceae" genus="Ulnaria" higherTaxonomySource="treatment-meta" kingdom="Plantae" lsidName="Ulnaria wuling-biseriata" order="Licmophorales" pageId="0" pageNumber="1" phylum="Bacillariophyta" rank="species" species="wuling-biseriata" status="sp. nov.">Ulnaria wuling-biseriata Bing Liu</taxonomicName>
<taxonomicNameLabel id="FA22990390561B0D6124D51A6863670C" pageId="0" pageNumber="1">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection id="9C667FAAB09BA06E283021A5A4FAAA21" pageId="0" pageNumber="1" type="description">
<paragraph id="1FAA78B9F1E68C4C71ED01E014528707" pageId="0" pageNumber="1">
<figureCitation id="ED668E04679044017F8A3FB603C9E691" captionStart="Figure 35" captionStartId="F35" captionText="Figure 35. Ulnaria wuling-biseriata, sp. nov., x 630, LM A-J ten valves exhibiting a size diminution series, note linear valve outlines, rostrate apices, and rectangular hyaline central area A micrograph of holotype specimen. Scale bar: 20 μm." figureDoi="10.3897/phytokeys.228.101080.figure35" httpUri="https://binary.pensoft.net/fig/867623" pageId="0" pageNumber="1">Figs 35</figureCitation>
<figureCitation id="525C7D6382ACC4DCDB885DA5B97FAFF6" captionStart="Figure 36" captionStartId="F36" captionText="Figure 36. Ulnaria wuling-biseriata, sp. nov., external view, SEM A a complete valve B middle detail from A, showing the rectangular central area C, D two apical details of A, note some uniseriate striae at the apices E another complete valve F middle detail from E, showing a trapezoidal central area. Scale bars: 20 μm (A, E); 2 μm (B-D, F)." figureDoi="10.3897/phytokeys.228.101080.figure36" httpUri="https://binary.pensoft.net/fig/867624" pageId="0" pageNumber="1">, 36</figureCitation>
<figureCitation id="F13794B05209BA81231462314F885AC4" captionStart="Figure 37" captionStartId="F37" captionText="Figure 37. Ulnaria wuling-biseriata, sp. nov., internal view, SEM A a complete valve B middle detail from A, showing the rectangular central area C, D two apical details from A. E Another complete valve F middle detail from E showing the trapezoidal central area. Scale bars: 20 μm (A, E); 2 μm (B-D, F)." figureDoi="10.3897/phytokeys.228.101080.figure37" httpUri="https://binary.pensoft.net/fig/867625" pageId="0" pageNumber="1">, 37</figureCitation>
<figureCitation id="4CFB542643CD68C34108E36D66E28878" captionStart="Figure 38" captionStartId="F38" captionText="Figure 38. Ulnaria wuling-biseriata, sp. nov., internal view, SEM A a valve with a valvocopula B middle detail from A. C, D two apical details of A, note the valvocopula unornamented at each apex E, F details of the valvocopula, note its closed nature and the shelf-like projection (F, arrow). Scale bars: 20 μm (A); 2 μm (B-F)." figureDoi="10.3897/phytokeys.228.101080.figure38" httpUri="https://binary.pensoft.net/fig/867626" pageId="0" pageNumber="1">, 38</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="6EC6295297693FDCAE583CC7DCE862AC" pageId="0" pageNumber="1" type="holotype">
<paragraph id="65ECC9CAA5907362B4A78151990FBF3F" pageId="0" pageNumber="1">Holotype.</paragraph>
<paragraph id="05D95A7D4FE00BF4C918C2B784A4B528" pageId="0" pageNumber="1">
Slide JIUDIA202305, specimen circled on slide, illustrated as Fig.
<figureCitation id="2CAEB89DC96BB8B0C76308866FF2DE85" captionStart="Figure 35" captionStartId="F35" captionText="Figure 35. Ulnaria wuling-biseriata, sp. nov., x 630, LM A-J ten valves exhibiting a size diminution series, note linear valve outlines, rostrate apices, and rectangular hyaline central area A micrograph of holotype specimen. Scale bar: 20 μm." figureDoi="10.3897/phytokeys.228.101080.figure35" httpUri="https://binary.pensoft.net/fig/867623" pageId="0" pageNumber="1">35A</figureCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="89C910600FC96ECC058D5EB5F27DA20E" pageId="0" pageNumber="1" type="registration">
<paragraph id="CFB16D3B1A4B96F830CD959DA61C62F8" pageId="0" pageNumber="1">Registration.</paragraph>
<paragraph id="7905164FFB70215AA470A8BF773163E8" pageId="0" pageNumber="1">PhycoBank http://phycobank.org/103811</paragraph>
</subSubSection>
<subSubSection id="CC7E5910EECD5A3873D4450726477E9A" pageId="0" pageNumber="1" type="type locality">
<paragraph id="9815DB8593F3C2BBB0C6927B81CE8F3A" pageId="0" pageNumber="1">Type locality.</paragraph>
<paragraph id="2FDBAE8E651282588FD6387950C497B6" pageId="0" pageNumber="1">
China. Hunan province: Zhangjiajie National Forestry Park, Jinbian stream, at Shuirao Simen (
<geoCoordinate id="2B8C4D3154857CA266CBB83D88CCE2D9" degrees="29" direction="north" minutes="20" orientation="latitude" precision="15" seconds="36" value="29.343334">29°20'36&quot;N</geoCoordinate>
,
<geoCoordinate id="9EAA5EC792F08AB98A3523F6D5BB222A" degrees="110" direction="east" minutes="28" orientation="longitude" precision="15" seconds="13" value="110.470276">110°28'13&quot;E</geoCoordinate>
, 467 m a.s.l.), collected by Bing Liu, December 29, 2015.
</paragraph>
</subSubSection>
<subSubSection id="6EF7BC1D2944493F56F31255B1C9B0ED" pageId="0" pageNumber="1" type="description">
<paragraph id="F90C030F45A91A94469D7AE33080491F" pageId="0" pageNumber="1">Description.</paragraph>
<paragraph id="229C1AB917B505AA42AA4BF929A42751" pageId="0" pageNumber="1">
<emphasis id="7AEF26DC996CE541D4AC4A4D09F20E6E" bold="true" italics="true" pageId="0" pageNumber="1">LM</emphasis>
(Fig.
<figureCitation id="EB44E0CA48F747D88741C0B4EA77A853" captionStart="Figure 35" captionStartId="F35" captionText="Figure 35. Ulnaria wuling-biseriata, sp. nov., x 630, LM A-J ten valves exhibiting a size diminution series, note linear valve outlines, rostrate apices, and rectangular hyaline central area A micrograph of holotype specimen. Scale bar: 20 μm." figureDoi="10.3897/phytokeys.228.101080.figure35" httpUri="https://binary.pensoft.net/fig/867623" pageId="0" pageNumber="1">35</figureCitation>
). Valves linear with abruptly tapering rostrate to sub-capitate apices (Fig.
<figureCitation id="15E16D9B6BA4CD5C2A1061BDD9FADB62" captionStart="Figure 35" captionStartId="F35" captionText="Figure 35. Ulnaria wuling-biseriata, sp. nov., x 630, LM A-J ten valves exhibiting a size diminution series, note linear valve outlines, rostrate apices, and rectangular hyaline central area A micrograph of holotype specimen. Scale bar: 20 μm." figureDoi="10.3897/phytokeys.228.101080.figure35" httpUri="https://binary.pensoft.net/fig/867623" pageId="0" pageNumber="1">35A-J</figureCitation>
, see also Figs
<figureCitation id="1374A8D39D1D737013D1B8A8DDA78BEF" captionStart="Figure 36" captionStartId="F36" captionText="Figure 36. Ulnaria wuling-biseriata, sp. nov., external view, SEM A a complete valve B middle detail from A, showing the rectangular central area C, D two apical details of A, note some uniseriate striae at the apices E another complete valve F middle detail from E, showing a trapezoidal central area. Scale bars: 20 μm (A, E); 2 μm (B-D, F)." figureDoi="10.3897/phytokeys.228.101080.figure36" httpUri="https://binary.pensoft.net/fig/867624" pageId="0" pageNumber="1">36A, E</figureCitation>
,
<figureCitation id="9DF6A43BC4B7A7E4729C09EDEFCC3F91" captionStart="Figure 37" captionStartId="F37" captionText="Figure 37. Ulnaria wuling-biseriata, sp. nov., internal view, SEM A a complete valve B middle detail from A, showing the rectangular central area C, D two apical details from A. E Another complete valve F middle detail from E showing the trapezoidal central area. Scale bars: 20 μm (A, E); 2 μm (B-D, F)." figureDoi="10.3897/phytokeys.228.101080.figure37" httpUri="https://binary.pensoft.net/fig/867625" pageId="0" pageNumber="1">37A, E</figureCitation>
). Valve dimensions (n = 15): length 160-200
<normalizedToken id="DEAD4FF47DD638B4B7A0085E1A073554" originalValue="μm">μm</normalizedToken>
, width 6.5-8
<normalizedToken id="04D9B91EA16F788212BFEBA62DFA0272" originalValue="μm">μm</normalizedToken>
at centre. Sternum discernible, mostly regular, occasionally irregular (e.g., Fig.
<figureCitation id="06F83E8D70EDE940CC05BFD558B8E94D" captionStart="Figure 35" captionStartId="F35" captionText="Figure 35. Ulnaria wuling-biseriata, sp. nov., x 630, LM A-J ten valves exhibiting a size diminution series, note linear valve outlines, rostrate apices, and rectangular hyaline central area A micrograph of holotype specimen. Scale bar: 20 μm." figureDoi="10.3897/phytokeys.228.101080.figure35" httpUri="https://binary.pensoft.net/fig/867623" pageId="0" pageNumber="1">35D</figureCitation>
), extending length of valve. Central area apically rectangular or trapezoid. Ghost striae sometimes present in central area (e.g., Fig.
<figureCitation id="DFFCA7C804F03602A683235BD4C574B7" captionStart="Figure 35" captionStartId="F35" captionText="Figure 35. Ulnaria wuling-biseriata, sp. nov., x 630, LM A-J ten valves exhibiting a size diminution series, note linear valve outlines, rostrate apices, and rectangular hyaline central area A micrograph of holotype specimen. Scale bar: 20 μm." figureDoi="10.3897/phytokeys.228.101080.figure35" httpUri="https://binary.pensoft.net/fig/867623" pageId="0" pageNumber="1">35C, I</figureCitation>
). Striae parallel, radiate only at each pole, and mostly opposite across sternum. Stria density 10-11 in 10
<normalizedToken id="3B7EA9BD2B17C92C982FEFAEC1314F71" originalValue="μm">μm</normalizedToken>
.
</paragraph>
<caption id="7B107125E6D4C8DE124B76BEC0D6D29D" doi="10.3897/phytokeys.228.101080.figure35" httpUri="https://binary.pensoft.net/fig/867623" pageId="0" pageNumber="1" start="Figure 35" startId="F35">
<paragraph id="32FA3859EA95DA205BF00C80E39455B6" pageId="0" pageNumber="1">
<emphasis id="D97AF1C075689A52A7F2117E714FFBA0" bold="true" pageId="0" pageNumber="1">Figure 35.</emphasis>
<taxonomicName id="E0F70E038E0EE6A8437435950909DD2B" authorityName="Bing Liu" authorityYear="2023" class="Bacillariophyceae" family="Ulnariaceae" genus="Ulnaria" kingdom="Plantae" lsidName="Ulnaria wuling-biseriata" order="Licmophorales" pageId="0" pageNumber="1" phylum="Bacillariophyta" rank="species" species="wuling-biseriata">
<emphasis id="975BD1515E4C152AF8FC37CB40EBE7D2" italics="true" pageId="0" pageNumber="1">Ulnaria wuling-biseriata</emphasis>
</taxonomicName>
, sp. nov.,
<normalizedToken id="8A8C1976B70691A92129B23C5EBFDC90" originalValue="×">x</normalizedToken>
630, LM
<emphasis id="2B38E98E5E0FF73C74CE25CF9C575E5E" bold="true" pageId="0" pageNumber="1">A-J</emphasis>
ten valves exhibiting a size diminution series, note linear valve outlines, rostrate apices, and rectangular hyaline central area
<emphasis id="990367A9020FA1F21F3BE69147104B06" bold="true" pageId="0" pageNumber="1">A</emphasis>
micrograph of holotype specimen. Scale bar: 20
<normalizedToken id="939B68BB6B3D602A396C81F3F44A1540" originalValue="μm">μm</normalizedToken>
.
</paragraph>
</caption>
<caption id="2D40E8306CDAFA29AC688BC809083085" doi="10.3897/phytokeys.228.101080.figure36" httpUri="https://binary.pensoft.net/fig/867624" pageId="0" pageNumber="1" start="Figure 36" startId="F36">
<paragraph id="0B0FA4920CFCFB2700FCDC1149DE7C1D" pageId="0" pageNumber="1">
<emphasis id="3D4F83E89435524C026EB35E981E7DAF" bold="true" pageId="0" pageNumber="1">Figure 36.</emphasis>
<taxonomicName id="D614BA5B28C3689A43E2ED9C474FC613" authorityName="Bing Liu" authorityYear="2023" class="Bacillariophyceae" family="Ulnariaceae" genus="Ulnaria" kingdom="Plantae" lsidName="Ulnaria wuling-biseriata" order="Licmophorales" pageId="0" pageNumber="1" phylum="Bacillariophyta" rank="species" species="wuling-biseriata">
<emphasis id="E8C9346E6BAD449B4DA5B7B720CB5B0C" italics="true" pageId="0" pageNumber="1">Ulnaria wuling-biseriata</emphasis>
</taxonomicName>
, sp. nov., external view, SEM
<emphasis id="EEF98DCC1FCE400572A7E68BFAD59CC9" bold="true" pageId="0" pageNumber="1">A</emphasis>
a complete valve
<emphasis id="93429039AB0C3F0242F6F8FDC2F4F519" bold="true" pageId="0" pageNumber="1">B</emphasis>
middle detail from
<emphasis id="A8C7A0567FBEFF8293DBA8A5E8D51F56" bold="true" pageId="0" pageNumber="1">A</emphasis>
, showing the rectangular central area
<emphasis id="C0B1D8B046F0C05326ADA87AECA24001" bold="true" pageId="0" pageNumber="1">C, D</emphasis>
two apical details of
<emphasis id="3B3B7D9CF16CDC7724DF327CCBA89948" bold="true" pageId="0" pageNumber="1">A</emphasis>
, note some uniseriate striae at the apices
<emphasis id="A0889804434F49FB4678B6EE49EDA3C6" bold="true" pageId="0" pageNumber="1">E</emphasis>
another complete valve
<emphasis id="963902A9015A8600EAFF8060ED12AE9F" bold="true" pageId="0" pageNumber="1">F</emphasis>
middle detail from
<emphasis id="272C97629FD17F927F5F08B68284D82F" bold="true" pageId="0" pageNumber="1">E</emphasis>
, showing a trapezoidal central area. Scale bars: 20
<normalizedToken id="8A517D809484CD70885276DBA4355300" originalValue="μm">μm</normalizedToken>
(
<emphasis id="8F209122C8D4EC348BA3568DA4FF5DCF" bold="true" pageId="0" pageNumber="1">A, E</emphasis>
); 2
<normalizedToken id="D193545EBEE1373EE747EB0F40B209E1" originalValue="μm">μm</normalizedToken>
(
<emphasis id="802746CA0E8D322A8B8D7DB057D7D662" bold="true" pageId="0" pageNumber="1">B-D, F</emphasis>
).
</paragraph>
</caption>
<caption id="70A1D54F02B42918AAAE23B07A50736D" doi="10.3897/phytokeys.228.101080.figure37" httpUri="https://binary.pensoft.net/fig/867625" pageId="0" pageNumber="1" start="Figure 37" startId="F37">
<paragraph id="E4201A1CA3A2BDE0456B488A78ABE8A0" pageId="0" pageNumber="1">
<emphasis id="0014B91603EB13996E16A0039632EB99" bold="true" pageId="0" pageNumber="1">Figure 37.</emphasis>
<taxonomicName id="A7DF5435353045246E20E8148D7E7106" authorityName="Bing Liu" authorityYear="2023" class="Bacillariophyceae" family="Ulnariaceae" genus="Ulnaria" kingdom="Plantae" lsidName="Ulnaria wuling-biseriata" order="Licmophorales" pageId="0" pageNumber="1" phylum="Bacillariophyta" rank="species" species="wuling-biseriata">
<emphasis id="86DD2C18FDDBEE98639442F86373E7DE" italics="true" pageId="0" pageNumber="1">Ulnaria wuling-biseriata</emphasis>
</taxonomicName>
, sp. nov., internal view, SEM
<emphasis id="8B1A7641A5DDEB106474DAD6E4447BD4" bold="true" pageId="0" pageNumber="1">A</emphasis>
a complete valve
<emphasis id="6B83DA5B5B7527695262E8907D814C64" bold="true" pageId="0" pageNumber="1">B</emphasis>
middle detail from
<emphasis id="D8AD7B03569F70010257075D200EFD75" bold="true" pageId="0" pageNumber="1">A</emphasis>
, showing the rectangular central area
<emphasis id="A4CD55A2293A18D252F70660AF090D00" bold="true" pageId="0" pageNumber="1">C, D</emphasis>
two apical details from
<emphasis id="153363ADF74A637729F3F39ED133F577" bold="true" pageId="0" pageNumber="1">A</emphasis>
.
<emphasis id="722D226419818A85DB4F4556DB9C7C77" bold="true" pageId="0" pageNumber="1">E</emphasis>
Another complete valve
<emphasis id="82372D2A4F778F42E8CD30F417BAB7A9" bold="true" pageId="0" pageNumber="1">F</emphasis>
middle detail from
<emphasis id="2636B3477B8008B9B8457B04BCFADA61" bold="true" pageId="0" pageNumber="1">E</emphasis>
showing the trapezoidal central area. Scale bars: 20
<normalizedToken id="A6B8BC62631DFA4BAFEDE4755F7A72A6" originalValue="μm">μm</normalizedToken>
(
<emphasis id="9093211F606F742428014ED41830F398" bold="true" pageId="0" pageNumber="1">A, E</emphasis>
); 2
<normalizedToken id="781CB3213101C538047973BA88000BAF" originalValue="μm">μm</normalizedToken>
(
<emphasis id="1D8B8C1CDFC1B021F87017B385914157" bold="true" pageId="0" pageNumber="1">B-D, F</emphasis>
).
</paragraph>
</caption>
<paragraph id="A70B4FE0C4F55D3ADABEE8E61408A3B8" pageId="0" pageNumber="1">
<emphasis id="4AD6D2874116D7A19427BCDAE3230702" bold="true" italics="true" pageId="0" pageNumber="1">SEM</emphasis>
(Figs
<figureCitation id="F4478BD0A4C1CC525B49A00D46DC7FBA" captionStart="Figure 36" captionStartId="F36" captionText="Figure 36. Ulnaria wuling-biseriata, sp. nov., external view, SEM A a complete valve B middle detail from A, showing the rectangular central area C, D two apical details of A, note some uniseriate striae at the apices E another complete valve F middle detail from E, showing a trapezoidal central area. Scale bars: 20 μm (A, E); 2 μm (B-D, F)." figureDoi="10.3897/phytokeys.228.101080.figure36" httpUri="https://binary.pensoft.net/fig/867624" pageId="0" pageNumber="1">36</figureCitation>
-
<figureCitation id="D89F3BAE9149E087B2E904A681761C3A" captionStart="Figure 38" captionStartId="F38" captionText="Figure 38. Ulnaria wuling-biseriata, sp. nov., internal view, SEM A a valve with a valvocopula B middle detail from A. C, D two apical details of A, note the valvocopula unornamented at each apex E, F details of the valvocopula, note its closed nature and the shelf-like projection (F, arrow). Scale bars: 20 μm (A); 2 μm (B-F)." figureDoi="10.3897/phytokeys.228.101080.figure38" httpUri="https://binary.pensoft.net/fig/867626" pageId="0" pageNumber="1">38</figureCitation>
). Valves mostly with mixed striae, each composed of a biseriate main part and a uniseriate minor part (including several areolae) near sternum (Figs
<figureCitation id="0B913CF242B1DCDF21C6BF5793C332C7" captionStart="Figure 36" captionStartId="F36" captionText="Figure 36. Ulnaria wuling-biseriata, sp. nov., external view, SEM A a complete valve B middle detail from A, showing the rectangular central area C, D two apical details of A, note some uniseriate striae at the apices E another complete valve F middle detail from E, showing a trapezoidal central area. Scale bars: 20 μm (A, E); 2 μm (B-D, F)." figureDoi="10.3897/phytokeys.228.101080.figure36" httpUri="https://binary.pensoft.net/fig/867624" pageId="0" pageNumber="1">36B-D, F</figureCitation>
,
<figureCitation id="A66497AC4F0F870A3B67330DDC0C2D68" captionStart="Figure 37" captionStartId="F37" captionText="Figure 37. Ulnaria wuling-biseriata, sp. nov., internal view, SEM A a complete valve B middle detail from A, showing the rectangular central area C, D two apical details from A. E Another complete valve F middle detail from E showing the trapezoidal central area. Scale bars: 20 μm (A, E); 2 μm (B-D, F)." figureDoi="10.3897/phytokeys.228.101080.figure37" httpUri="https://binary.pensoft.net/fig/867625" pageId="0" pageNumber="1">37B-D, F</figureCitation>
). But some uniseriate striae occurring near each apex (Fig.
<figureCitation id="C978E1D786F0313263EE2C129496CC26" captionStart="Figure 36" captionStartId="F36" captionText="Figure 36. Ulnaria wuling-biseriata, sp. nov., external view, SEM A a complete valve B middle detail from A, showing the rectangular central area C, D two apical details of A, note some uniseriate striae at the apices E another complete valve F middle detail from E, showing a trapezoidal central area. Scale bars: 20 μm (A, E); 2 μm (B-D, F)." figureDoi="10.3897/phytokeys.228.101080.figure36" httpUri="https://binary.pensoft.net/fig/867624" pageId="0" pageNumber="1">36C, D</figureCitation>
). One rimoportula at each pole, externally expressed as a simple hole (Fig.
<figureCitation id="D2E02813F360A8FA646B2DFFD7FA8B33" captionStart="Figure 36" captionStartId="F36" captionText="Figure 36. Ulnaria wuling-biseriata, sp. nov., external view, SEM A a complete valve B middle detail from A, showing the rectangular central area C, D two apical details of A, note some uniseriate striae at the apices E another complete valve F middle detail from E, showing a trapezoidal central area. Scale bars: 20 μm (A, E); 2 μm (B-D, F)." figureDoi="10.3897/phytokeys.228.101080.figure36" httpUri="https://binary.pensoft.net/fig/867624" pageId="0" pageNumber="1">36C, D</figureCitation>
), internally bilabiate, situated close to sternum (Figs
<figureCitation id="75D170CA7D2A2B7ADB83F12CDA0658E9" captionStart="Figure 37" captionStartId="F37" captionText="Figure 37. Ulnaria wuling-biseriata, sp. nov., internal view, SEM A a complete valve B middle detail from A, showing the rectangular central area C, D two apical details from A. E Another complete valve F middle detail from E showing the trapezoidal central area. Scale bars: 20 μm (A, E); 2 μm (B-D, F)." figureDoi="10.3897/phytokeys.228.101080.figure37" httpUri="https://binary.pensoft.net/fig/867625" pageId="0" pageNumber="1">37C, D</figureCitation>
,
<figureCitation id="4FD918B610A19D5EC46BF541DAA4727A" captionStart="Figure 38" captionStartId="F38" captionText="Figure 38. Ulnaria wuling-biseriata, sp. nov., internal view, SEM A a valve with a valvocopula B middle detail from A. C, D two apical details of A, note the valvocopula unornamented at each apex E, F details of the valvocopula, note its closed nature and the shelf-like projection (F, arrow). Scale bars: 20 μm (A); 2 μm (B-F)." figureDoi="10.3897/phytokeys.228.101080.figure38" httpUri="https://binary.pensoft.net/fig/867626" pageId="0" pageNumber="1">38D</figureCitation>
). Ocellulimbus composed of ca. 24 pervalvar and 8 transverse rows of porelli. Valvocopula a closed hoop (Fig.
<figureCitation id="85175F1E77614F7CBE9259E1E2569B2F" captionStart="Figure 38" captionStartId="F38" captionText="Figure 38. Ulnaria wuling-biseriata, sp. nov., internal view, SEM A a valve with a valvocopula B middle detail from A. C, D two apical details of A, note the valvocopula unornamented at each apex E, F details of the valvocopula, note its closed nature and the shelf-like projection (F, arrow). Scale bars: 20 μm (A); 2 μm (B-F)." figureDoi="10.3897/phytokeys.228.101080.figure38" httpUri="https://binary.pensoft.net/fig/867626" pageId="0" pageNumber="1">38A</figureCitation>
), with a mostly continuous row of poroids dividing pars interior from pars exterior, located at the midline (Fig.
<figureCitation id="20DE374B0FE08974F88CA181EA2CA788" captionStart="Figure 38" captionStartId="F38" captionText="Figure 38. Ulnaria wuling-biseriata, sp. nov., internal view, SEM A a valve with a valvocopula B middle detail from A. C, D two apical details of A, note the valvocopula unornamented at each apex E, F details of the valvocopula, note its closed nature and the shelf-like projection (F, arrow). Scale bars: 20 μm (A); 2 μm (B-F)." figureDoi="10.3897/phytokeys.228.101080.figure38" httpUri="https://binary.pensoft.net/fig/867626" pageId="0" pageNumber="1">38B, C, E</figureCitation>
). A row of serrated projections is located on its advalvar edge, each corresponding internally to a virga (Fig.
<figureCitation id="7479DC0A00BEED46A10A9DEEAB6482A7" captionStart="Figure 38" captionStartId="F38" captionText="Figure 38. Ulnaria wuling-biseriata, sp. nov., internal view, SEM A a valve with a valvocopula B middle detail from A. C, D two apical details of A, note the valvocopula unornamented at each apex E, F details of the valvocopula, note its closed nature and the shelf-like projection (F, arrow). Scale bars: 20 μm (A); 2 μm (B-F)." figureDoi="10.3897/phytokeys.228.101080.figure38" httpUri="https://binary.pensoft.net/fig/867626" pageId="0" pageNumber="1">38B, C</figureCitation>
), unornamented at both poles (Fig.
<figureCitation id="71FEB138841D87E288FC891DF50269C6" captionStart="Figure 38" captionStartId="F38" captionText="Figure 38. Ulnaria wuling-biseriata, sp. nov., internal view, SEM A a valve with a valvocopula B middle detail from A. C, D two apical details of A, note the valvocopula unornamented at each apex E, F details of the valvocopula, note its closed nature and the shelf-like projection (F, arrow). Scale bars: 20 μm (A); 2 μm (B-F)." figureDoi="10.3897/phytokeys.228.101080.figure38" httpUri="https://binary.pensoft.net/fig/867626" pageId="0" pageNumber="1">38C, F</figureCitation>
).
</paragraph>
<caption id="027F2F1F1B3046C0DD9469E56D64F77F" doi="10.3897/phytokeys.228.101080.figure38" httpUri="https://binary.pensoft.net/fig/867626" pageId="0" pageNumber="1" start="Figure 38" startId="F38">
<paragraph id="0D6EB6B26D8B0C25321D3831101016B0" pageId="0" pageNumber="1">
<emphasis id="F9D62470995052FE4E616CC292095F06" bold="true" pageId="0" pageNumber="1">Figure 38.</emphasis>
<taxonomicName id="D18CDC47A410EAF41FB9C37F70FF1807" authorityName="Bing Liu" authorityYear="2023" class="Bacillariophyceae" family="Ulnariaceae" genus="Ulnaria" kingdom="Plantae" lsidName="Ulnaria wuling-biseriata" order="Licmophorales" pageId="0" pageNumber="1" phylum="Bacillariophyta" rank="species" species="wuling-biseriata">
<emphasis id="EC982319DD5B7974DBBEBCC9F9BACEBC" italics="true" pageId="0" pageNumber="1">Ulnaria wuling-biseriata</emphasis>
</taxonomicName>
, sp. nov., internal view, SEM
<emphasis id="BEAE455933D1C0843A74C81BE936E944" bold="true" pageId="0" pageNumber="1">A</emphasis>
a valve with a valvocopula
<emphasis id="74B66FC45E788E2233674035EB7EC74C" bold="true" pageId="0" pageNumber="1">B</emphasis>
middle detail from
<emphasis id="31A4311FB99DF0945C60FAA1C9D44A13" bold="true" pageId="0" pageNumber="1">A</emphasis>
.
<emphasis id="29AEC5BE53D0A3445FCE99FE1C9AF9EE" bold="true" pageId="0" pageNumber="1">C, D</emphasis>
two apical details of
<emphasis id="3EB9DD5C831ACA6B9748307E3C532CB2" bold="true" pageId="0" pageNumber="1">A</emphasis>
, note the valvocopula unornamented at each apex
<emphasis id="1AD9B5CFB7FB0AEEC593F1D6B1F15F8C" bold="true" pageId="0" pageNumber="1">E, F</emphasis>
details of the valvocopula, note its closed nature and the shelf-like projection (
<emphasis id="2869EDA3BC50ABE5FF11CC0862B2C25A" bold="true" pageId="0" pageNumber="1">F</emphasis>
, arrow). Scale bars: 20
<normalizedToken id="00E33DCE7467777FD52BA7E698407746" originalValue="μm">μm</normalizedToken>
(
<emphasis id="A5613F51A01AA8B5E75D1A7697C22EE1" bold="true" pageId="0" pageNumber="1">A</emphasis>
); 2
<normalizedToken id="07C5AB5F1147C05C2DE0794A1E96D2E9" originalValue="μm">μm</normalizedToken>
(
<emphasis id="53DBE52F1477DBC3B325E9DC2408DBC2" bold="true" pageId="0" pageNumber="1">B-F</emphasis>
).
</paragraph>
</caption>
</subSubSection>
<subSubSection id="D5FB9D53FB3C93376D9FAF2714A39805" pageId="0" pageNumber="1" type="etymology">
<paragraph id="97B824058003F24AD927E6468B234185" pageId="0" pageNumber="1">Etymology.</paragraph>
<paragraph id="451B827725A07B0FE2D1C9749A7375BC" pageId="0" pageNumber="1">
The epithet &quot;
<emphasis id="300ABED8D14FFDC70905348942033197" italics="true" pageId="0" pageNumber="1">wuling-biseriata</emphasis>
&quot; is a combination of Wuling and the term biseriate to reflect its type locality (Wuling Mountains) and its mostly biseriate striae.
</paragraph>
</subSubSection>
<subSubSection id="B4B2520C030FF41C457DD359ECA9325C" pageId="0" pageNumber="1" type="ecology">
<paragraph id="A018469218F2FFDD0333ED2C2B406ED6" pageId="0" pageNumber="1">Ecology and distribution.</paragraph>
<paragraph id="D8720B58B166DE1969087ADFBD0BED40" pageId="0" pageNumber="1">
<taxonomicName id="F18FDC13243A698F5E3D0C331FC52DDB" authorityName="Bing Liu" authorityYear="2023" class="Bacillariophyceae" family="Ulnariaceae" genus="Ulnaria" kingdom="Plantae" lsidName="Ulnaria wuling-biseriata" order="Licmophorales" pageId="0" pageNumber="1" phylum="Bacillariophyta" rank="species" species="wuling-biseriata">
<emphasis id="0B4AD49DFEB4A0A9CA44B82E5A508FAC" italics="true" pageId="0" pageNumber="1">Ulnaria wuling-biseriata</emphasis>
</taxonomicName>
was commonly found in the surface sediment collected in Jinbian stream with
<taxonomicName id="C3954C63203546F4E59F853EBD441FA8" lsidName="U. pandurata-biseriata" pageId="0" pageNumber="1" rank="species" species="pandurata-biseriata">
<emphasis id="5FD7264EE1E172EA6BF35BAF7DF730D7" italics="true" pageId="0" pageNumber="1">U. pandurata-biseriata</emphasis>
</taxonomicName>
and
<taxonomicName id="4FA7F668A0F2F4B97CA5EFEA33E93003" lsidName="U. ulnabiseriata" pageId="0" pageNumber="1" rank="species" species="ulnabiseriata">
<emphasis id="275C4391CDC0EDBA45285A1A2EA2E13B" italics="true" pageId="0" pageNumber="1">U. ulnabiseriata</emphasis>
</taxonomicName>
. Thus,
<taxonomicName id="3AFF3687BD96C2EE3F27E8BE20C33C7B" lsidName="U. wuling-biseriata" pageId="0" pageNumber="1" rank="species" species="wuling-biseriata">
<emphasis id="99253328196C164CBE50148DFB393B4A" italics="true" pageId="0" pageNumber="1">U. wuling-biseriata</emphasis>
</taxonomicName>
lives on the stone surfaces of the headwaters of a mountainous stream. So far, its distribution is known only from the type locality.
</paragraph>
</subSubSection>
<subSubSection id="E94FC73F7FAEF43491862125158CE9B6" pageId="0" pageNumber="1" type="discussion">
<paragraph id="5E9B45A6084410E3FC61397D371A9F29" pageId="0" pageNumber="1">Discussion.</paragraph>
<paragraph id="A009F36B742A33F20EDB0661FC441BC9" pageId="0" pageNumber="1">
<taxonomicName id="88F9DEB467843CBF9BDC16E060EC6E75" authorityName="Bing Liu" authorityYear="2023" class="Bacillariophyceae" family="Ulnariaceae" genus="Ulnaria" kingdom="Plantae" lsidName="Ulnaria wuling-biseriata" order="Licmophorales" pageId="0" pageNumber="1" phylum="Bacillariophyta" rank="species" species="wuling-biseriata">
<emphasis id="87E67378EE0468F5725FB635A6306C9C" italics="true" pageId="0" pageNumber="1">Ulnaria wuling-biseriata</emphasis>
</taxonomicName>
is characterized by its linear valve outline, mostly biseriate striae, rectangular or trapezoid central area, and rostrate to sub-capitate apices. The apices of
<taxonomicName id="775832CF5FD9CD06FDEFD3137028D3D3" authorityName="M.Aboal" authorityYear="2003" baseAuthorityName="Grunow" class="Bacillariophyceae" family="Ulnariaceae" genus="Ulnaria" kingdom="Plantae" lsidName="Ulnaria ulna subsp. var. var. spathulifera" order="Licmophorales" pageId="0" pageNumber="1" phylum="Bacillariophyta" rank="variety" species="ulna" subSpecies="var." variety="spathulifera">Ulnaria ulna var. spathulifera</taxonomicName>
Aboal sometimes have an inflation before tapering to form subrostrate to rostrate ends whereas
<taxonomicName id="F1FA3810036122A4AFCB5D058258017B" lsidName="U. wuling-biseriata" pageId="0" pageNumber="1" rank="species" species="wuling-biseriata">
<emphasis id="B4935569C6F2BEAF581310BD368B83CB" italics="true" pageId="0" pageNumber="1">U. wuling-biseriata</emphasis>
</taxonomicName>
does not have this inflation, i.e., its apex is not spatulate. Moreover, the valves of
<taxonomicName id="A397F37BB419B378BCEBC89520BF914D" lsidName="U. ulna subsp. var. var. spathulifera" pageId="0" pageNumber="1" rank="variety" species="ulna" subSpecies="var." variety="spathulifera">U. ulna var. spathulifera</taxonomicName>
are wider than the ones of
<taxonomicName id="5CAD9C50D043C4BD6F315CC5C0C2B37A" lsidName="U. wuling-biseriata" pageId="0" pageNumber="1" rank="species" species="wuling-biseriata">
<emphasis id="93E08DAAF2927D94CCADC38F4D196224" italics="true" pageId="0" pageNumber="1">U. wuling-biseriata</emphasis>
</taxonomicName>
(8-9
<normalizedToken id="AB1DE31319575B1EE71EF9991136A09F" originalValue="μm">μm</normalizedToken>
vs 6.5-8
<normalizedToken id="78B4C1D80BF4576D2E252A70FE22C083" originalValue="μm">μm</normalizedToken>
) and the former has lower stria density than the latter (9-10 in 10
<normalizedToken id="2BEE90606759556077D8169E88D8C617" originalValue="μm">μm</normalizedToken>
vs 10-11 in 10
<normalizedToken id="D1594AF1506BFE895A982DEACCF729F7" originalValue="μm">μm</normalizedToken>
) (see
<bibRefCitation id="F77F4859D6581AF1BC94B335A9B7E75A" author="Morales, EA" journalOrPublisher="Phytotaxa" pageId="0" pageNumber="1" refId="B40" refString="Morales, EA, Hamsher, SE, Manoylov, KM, Gillett, N, Hamilton, PB, Potapova, MM, Ponader, K, Winter, D, Spaulding, S, Hagan, EE, Lavoie, I, 2007. Synedra ulna (Nitzsch) Ehrenberg and allies from rivers in the United States. Thirteenth NAWQA Workshop on Harmonization of Algal Taxonomy. The Academy of Natural Sciences, Philadelphia, 1-162." title="Synedra ulna (Nitzsch) Ehrenberg and allies from rivers in the United States. Thirteenth NAWQA Workshop on Harmonization of Algal Taxonomy. The Academy of Natural Sciences, Philadelphia, 1 - 162." year="2007">Morales et al. 2007</bibRefCitation>
, p. 34, as
<taxonomicName id="22B49825E3FC1C06D941363DA3D4DC22" class="Bacillariophyceae" family="Fragilariaceae" genus="Synedra" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Synedra ulna subsp. var. var. spathulifera" order="Monoraphidinales" pageId="0" pageNumber="1" phylum="Bacillariophyta" rank="variety" species="ulna" subSpecies="var." variety="spathulifera">Synedra ulna var. spathulifera</taxonomicName>
).
</paragraph>
</subSubSection>
</treatment>
</document>