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<document id="19575B4E081CBBA03320F71436B71DC1" ID-DOI="10.3897/mycokeys.112.140487" ID-publisher-id="140487" URI-arpha="BB9C516E-18E7-5350-A350-B22F2BC142D4" XM.bibliography_approvedBy="admin" XM.materialsCitations_approvedBy="admin" XM.taxonomicNames_approvedBy="admin" article-type="research-article" checkinTime="1736270946454" checkinUser="pensoft" docAuthor="Pan, Xiaoyan, Chen, Zongzhu, Chen, Yiqing, Lei, Jinrui, Chen, Xiaohua, Wu, Tingtian &amp; Li, Yuanling" docDate="2025" docId="F10FD265F3535914B4D8FA1672AF05B2" docLanguage="en" docName="MycoKeys 112: 17-34" docOrigin="MycoKeys 112" docSource="https://mycokeys.pensoft.net/article/140487/download/xml/" docStyle="DocumentStyle:PensoftTaxPub.0000.journal_article.mycokeys" docStyleName="PensoftTaxPub.0000.journal_article.mycokeys" docTitle="Xylaria acifer Xiao Y. Pan 2025, sp. nov." docType="treatment" docVersion="2" dtd-version="3.0" lastPageNumber="34" masterDocId="BB9C516E18E75350A350B22F2BC142D4" masterDocTitle="Two new species of Xylaria (Xylariaceae, Ascomycota) associated with fallen leaves in Hainan Tropical Rainforest National Park, China" masterLastPageNumber="34" masterPageNumber="17" pageNumber="17" updateTime="1736278272290" updateUser="admin">
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<mods:title id="7062992B70C1C07E19215BEC32D1AFA8">Two new species of Xylaria (Xylariaceae, Ascomycota) associated with fallen leaves in Hainan Tropical Rainforest National Park, China</mods:title>
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<mods:namePart id="7EECA670A5D038CAB96857ADBC042E86">Pan, Xiaoyan</mods:namePart>
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<mods:affiliation id="395F37AFC3ADB9580463CE4415552084">Hainan Academy of Forestry (Hainan Academy of Mangrove), Haikou, 571100, China &amp; Key Laboratory of Tropical Forestry Resources Monitoring and Application of Hainan Province, Haikou, 571100, China</mods:affiliation>
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<mods:namePart id="C00FD03B23B4D7D3823E378C7D535C42">Chen, Zongzhu</mods:namePart>
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<mods:affiliation id="C1D5B6EC9623EAD9B69203BF22AE1178">Hainan Academy of Forestry (Hainan Academy of Mangrove), Haikou, 571100, China &amp; Key Laboratory of Tropical Forestry Resources Monitoring and Application of Hainan Province, Haikou, 571100, China</mods:affiliation>
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<mods:namePart id="CE214EA4C1799CCF7191B3F8D259D57C">Chen, Yiqing</mods:namePart>
<mods:nameIdentifier id="819CE18F5C584A526506F586209B4909" type="ORCID">https://orcid.org/0009-0000-4416-6932</mods:nameIdentifier>
<mods:affiliation id="C2068FBE604F506535D928453D345701">Hainan Academy of Forestry (Hainan Academy of Mangrove), Haikou, 571100, China &amp; Key Laboratory of Tropical Forestry Resources Monitoring and Application of Hainan Province, Haikou, 571100, China</mods:affiliation>
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<mods:namePart id="4C7E26008D5A3CDF3C83C0200A46DAD1">Lei, Jinrui</mods:namePart>
<mods:affiliation id="B498F4A4E37F230780DD365E35109BC1">Hainan Academy of Forestry (Hainan Academy of Mangrove), Haikou, 571100, China &amp; Key Laboratory of Tropical Forestry Resources Monitoring and Application of Hainan Province, Haikou, 571100, China</mods:affiliation>
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<mods:namePart id="4CD944DDC03197983E1FD17470EFA598">Chen, Xiaohua</mods:namePart>
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<mods:affiliation id="B0D2445EE0E38C7365ABEF19270F6535">Hainan Academy of Forestry (Hainan Academy of Mangrove), Haikou, 571100, China &amp; Key Laboratory of Tropical Forestry Resources Monitoring and Application of Hainan Province, Haikou, 571100, China</mods:affiliation>
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<mods:namePart id="D99D55F85BB1F438F3BA4AFAD091FAB7">Wu, Tingtian</mods:namePart>
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<mods:affiliation id="61BB146ABF0E88C8BB67F5D573DE436B">Hainan Academy of Forestry (Hainan Academy of Mangrove), Haikou, 571100, China &amp; Key Laboratory of Tropical Forestry Resources Monitoring and Application of Hainan Province, Haikou, 571100, China</mods:affiliation>
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<mods:namePart id="10F94371BA2DD4CEE6717BFC9E71C96D">Li, Yuanling</mods:namePart>
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<mods:affiliation id="AB250AE9904C51BB84E8EDA024952A52">Hainan Academy of Forestry (Hainan Academy of Mangrove), Haikou, 571100, China &amp; Key Laboratory of Tropical Forestry Resources Monitoring and Application of Hainan Province, Haikou, 571100, China</mods:affiliation>
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<mods:typeOfResource id="6D7238D5C068CF78BC92390C0C89FD21">text</mods:typeOfResource>
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<mods:titleInfo id="7C381606F05BFC7BA7F22116F228D378">
<mods:title id="8B1B5D929CEC993722188F627C390D7F">MycoKeys</mods:title>
</mods:titleInfo>
<mods:part id="CFCE7032F13C3ECC9445A5DD90C2D1E4">
<mods:date id="D2EE7B882FCEEB11D8BAE8E415E3DBB3">2025</mods:date>
<mods:detail id="CF404BF3EA26B620B2A171BD4F74FD92" type="pubDate">
<mods:number id="E82160FC322E4109F3BDC2069A8BD439">2025-01-07</mods:number>
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<mods:number id="675B1A53EA4935788C06EF5E18594080">112</mods:number>
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<mods:start id="2011462330C704DE419DC4966A0F761D">17</mods:start>
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<mods:classification id="F6350EA2B3B5166FA27C9649B1D4E952">journal article</mods:classification>
<mods:identifier id="81A8BB18EFE1B3D13A44FF011331A307" type="DOI">10.3897/mycokeys.112.140487</mods:identifier>
</mods:mods>
<treatment id="F10FD265F3535914B4D8FA1672AF05B2" ID-arpha="F10FD265-F353-5914-B4D8-FA1672AF05B2" ID-mycobank="MycoBank No: 856020" LSID="urn:lsid:plazi:treatment:F10FD265F3535914B4D8FA1672AF05B2" httpUri="http://treatment.plazi.org/id/F10FD265F3535914B4D8FA1672AF05B2" scope_family="Xylariaceae" scope_phylum="Ascomycota">
<subSubSection id="3EEB59369A7659A5518C8168249A4C86" type="nomenclature">
<paragraph id="BA7C55BF04D701B31AF40DE2D869A533">
<taxonomicName id="5ED409D3DF3C923AB7EAD18BCD851F87" authority="Xiao Y. Pan" authorityName="Xiao Y. Pan" authorityYear="2025" class="Sordariomycetes" family="Xylariaceae" genus="Xylaria" kingdom="Fungi" order="Xylariales" phylum="Ascomycota" rank="species" species="acifer" status="sp. nov.">
<emphasis id="352715E8AEA8D4BBAE91DE50362874B0" italics="true">Xylaria acifer</emphasis>
Xiao Y. Pan
</taxonomicName>
<taxonomicNameLabel id="36E278053E4B79184C675CC1274E94D6" rank="species">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection id="A149DC3F15192D434A2CCA1A524B5D58" type="description">
<paragraph id="95846929D387F1E35BD9532DE3AA5333">
<figureCitation id="D48C6242249B4356CF3AC419DC277751" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Xylaria acifer (HAFFR 122) a stromata on leaves b stromatal surface and ostioles (arrow) c section through stroma, showing perithecia d ascus in Melzers reagent e, f ascospore showing non-cellular appendages in 1 % SDS (arrows) g, h ascal apical ring in Melzers reagent i ascospores in Melzers reagent j ascus in water k ascospore showing a nearly spore-length straight germ slit in Melzers reagent l ascospore under SEM. Scale bars: 1 cm (a); 200 µm (b, c); 10 µm (d k); 5 µm (l)." figureDoi="10.3897/mycokeys.112.140487.figure2" httpUri="https://binary.pensoft.net/fig/1215336">Fig. 2</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="SECID0EV6CI" type="Holotype">
<paragraph id="ED3EB176C04554AF6D998E8B7352D124">
<heading id="10465CF1A1ABD1F1942AF06CA52E8456" reason="title">
<typeStatus id="AD219D355FA7494B51B9E151C86752C9" type="holotype">Holotype</typeStatus>
.
</heading>
</paragraph>
<paragraph id="C629EFECE761DC677E3CCEE0D87F2BB1">
<materialsCitation id="332245BE58CE361CADBB849D2295A5A8" collectedFrom="on fallen leaves" collectingDate="2023-06-18" collectionCode="ITS" collectorName="Xiaoyan Pan" country="China" elevation="973" latitude="18.726389" location="Diaoluoshan Area of Hainan Tropical Rainforest National Park" longLatPrecision="21" longitude="109.86972" municipality="Diaoluoshan Area" specimenCode="HAFFR 122, TUB 2, RPB 2" specimenCount="1" stateProvince="Hainan Province" typeStatus="holotype">
<collectingCountry id="FF0A0E54A3A49D14A057B7EE8E97320E" name="China">China</collectingCountry>
<collectingRegion id="72D9E295384946AF82EEBDB1F17D0639" country="China" name="Hainan">Hainan Province</collectingRegion>
,
<location id="F6479B7B003418BA4D04BE2DA41EA9DD" LSID="urn:lsid:plazi:treatment:F10FD265F3535914B4D8FA1672AF05B2:F6479B7B003418BA4D04BE2DA41EA9DD" country="China" latitude="18.726389" longLatPrecision="21" longitude="109.86972" municipality="Diaoluoshan Area" name="Diaoluoshan Area of Hainan Tropical Rainforest National Park" stateProvince="Hainan Province">Diaoluoshan Area of Hainan Tropical Rainforest National Park</location>
;
<named-content content-type="dwc:verbatimCoordinates" id="NCID0E56CI" specific-use="{&quot;type&quot;:&quot;Point&quot;,&quot;coordinates&quot;:[109.869722,18.726389]}">
<geoCoordinate id="F80E68AFF751AE823BCAEF1EFC279DA0" degrees="18" direction="north" minutes="43" orientation="latitude" precision="15" seconds="35" value="18.726389">18°43'35&quot;N</geoCoordinate>
,
<geoCoordinate id="E104BADC7040EB140738452173883935" degrees="109" direction="east" minutes="52" orientation="longitude" precision="15" seconds="11" value="109.86972">109°52'11&quot;E</geoCoordinate>
</named-content>
;
<elevation id="26E357BE9EF814E0B99AC3EE597800C4" metricMagnitude="2" metricUnit="m" metricValue="9.73" unit="m" value="973.0">
elevation
<quantity id="6838F68FA93CC47CFAB6390792D6CE17" metricMagnitude="2" metricUnit="m" metricValue="9.73" unit="m" value="973.0">973 m</quantity>
</elevation>
;
<collectedFrom id="D3EA38056F79E8A84FDC2684D42191D2">on fallen leaves</collectedFrom>
,
<date id="552F62520D1262B53513354114261C14" value="2023-06-18">
<collectingDate id="1508245C2EB9E549BE1FE8F7FF307C42" value="2023-06-18">18 June 2023</collectingDate>
</date>
,
<collectorName id="5E6FF74FFF451118011D86DBA7B0F913">Xiaoyan Pan</collectorName>
(
<specimenCode id="6B9B46E5070DBA4504771092CA177D02" collectionCode="HAFFR">HAFFR 122</specimenCode>
). GenBank accession numbers
<ext-link id="00E3870AE2CF9E61A2B3719885D18565" ext-link-type="gen" xlink_href="PQ483147" xlink_type="simple">PQ 483147</ext-link>
(ITS),
<ext-link id="9687CD4B637DDD973A3B7D3466BA3D3D" ext-link-type="gen" xlink_href="PQ498329" xlink_type="simple">PQ 498329</ext-link>
(
<specimenCode id="B9F1B7B9D77B6D153A52CAE20CC92383" collectionCode="TUB" country="Germany" httpUri="http://biocol.org/urn:lsid:biocol.org:col:12972" lsid="urn:lsid:biocol.org:col:12972" name="Eberhard-Karls-Universität Tübingen" type="Herbarium">TUB 2</specimenCode>
), and
<ext-link id="DF140B43186648F6F9CE9ADC62136548" ext-link-type="gen" xlink_href="PQ498326" xlink_type="simple">PQ 498326</ext-link>
(
<specimenCode id="0A9B85B8014CDC133FC66E717EBC6F2D" collectionCode="RPB">RPB 2</specimenCode>
).
</materialsCitation>
</paragraph>
<caption id="771AB9EC09692ED796F0E64D98E5A4FC" ID-DOI="10.3897/mycokeys.112.140487.figure2" ID-arpha="338CE45F-1973-53AF-9873-E3603C388580" httpUri="https://binary.pensoft.net/fig/1215336" startId="F2">
<paragraph id="94587906DCA318AF1EDF67F2551C1506">
<label id="03B6E3DFE1EB492665EBE39CA2A2E06B">Figure 2.</label>
</paragraph>
<paragraph id="97E61076F189F45F52A48C6F956C4FDA">
<taxonomicName id="B3F7D780D14651478CC69CAABB482F85" authorityName="Xiao Y. Pan" authorityYear="2025" class="Sordariomycetes" family="Xylariaceae" genus="Xylaria" kingdom="Fungi" order="Xylariales" phylum="Ascomycota" rank="species" species="acifer">
<emphasis id="20A09803E62EEC5EE70BB4E0ABA18F02" italics="true">Xylaria acifer</emphasis>
</taxonomicName>
(HAFFR 122) a stromata on leaves
<emphasis id="5EEDBAE4C4B852D817CC261D65F76B8F" bold="true">b</emphasis>
stromatal surface and ostioles (arrow)
<emphasis id="974D0DE7429836FAB71B0DD8C027DB3D" bold="true">c</emphasis>
section through stroma, showing perithecia
<emphasis id="AD158D96350D06F702083654DC84400A" bold="true">d</emphasis>
ascus in Melzers reagent
<emphasis id="B60AD9E578590F4150EA0632914E5460" bold="true">e, f</emphasis>
ascospore showing non-cellular appendages in 1 % SDS (arrows)
<emphasis id="7735E297CBAAD74C23AF589B82B02D00" bold="true">g, h</emphasis>
ascal apical ring in Melzers reagent
<emphasis id="77798BD1A65EBB4006217A0A67580DFA" bold="true">i</emphasis>
ascospores in Melzers reagent
<emphasis id="2F19E140ACFC32F1EE6B994B281A9E7A" bold="true">j</emphasis>
ascus in water
<emphasis id="7AE025145E690BCDA43953A61910FEAC" bold="true">k</emphasis>
ascospore showing a nearly spore-length straight germ slit in Melzers reagent
<emphasis id="D7A9005A454FA45E0BA784BC53A273AF" bold="true">l</emphasis>
ascospore under SEM. Scale bars: 1 cm (
<emphasis id="724C4EACB5B8103B81D496758D84AC22" bold="true">a</emphasis>
); 200 µm (
<emphasis id="5C4025B0C7F61AEB83654EE0595E380D" bold="true">b, c</emphasis>
); 10 µm (
<emphasis id="17BFF34D9D91827EBA37062181FD7EA4" bold="true">d k</emphasis>
); 5 µm (
<emphasis id="CBAAD99A710533A8D0D3F01C6716AF4D" bold="true">l</emphasis>
).
</paragraph>
</caption>
</subSubSection>
<subSubSection id="SECID0EECDI" type="diagnosis">
<paragraph id="E845D580BAEE12CA6A53D659FAD3E797">
<heading id="F88FB4E134A4ADEE282FAAEBBAD47A0B" reason="title">Diagnosis.</heading>
</paragraph>
<paragraph id="A6F1BBB6C564AD46EB5833E3EA3C394E">
Differs from
<taxonomicName id="7F6BCD8805C689FCD76E59183D93E1C3" class="Sordariomycetes" family="Xylariaceae" genus="Xylaria" kingdom="Fungi" order="Xylariales" phylum="Ascomycota" rank="species" species="hedyosmicola">
<emphasis id="94DFA258CF86A8BF699454D500294E2E" italics="true">X. hedyosmicola</emphasis>
</taxonomicName>
by its smaller ascospores. Differs from
<taxonomicName id="F27732684CE4983DE18D2EDD79E87005" class="Sordariomycetes" family="Xylariaceae" genus="Xylaria" kingdom="Fungi" order="Xylariales" phylum="Ascomycota" rank="species" species="vittatipiliformis">
<emphasis id="2191CFED18DEF2D19F96D26BD6524D20" italics="true">X. vittatipiliformis</emphasis>
</taxonomicName>
by the absence of band-like stripes on its stromata surfaces and its smaller ascospores. Differs from
<taxonomicName id="43BF44A6E722E556EAE77D6BB59DAE05" class="Sordariomycetes" family="Xylariaceae" genus="Xylaria" kingdom="Fungi" order="Xylariales" phylum="Ascomycota" rank="species" species="vittiformis">
<emphasis id="C2EDA4F8CFD865B275057DD253CB48DF" italics="true">X. vittiformis</emphasis>
</taxonomicName>
by the absence of band-like stripes on its stromata surfaces.
</paragraph>
</subSubSection>
<subSubSection id="SECID0ELDDI" type="etymology">
<paragraph id="AF83589450235994D279DB030642BB88">
<heading id="60EDDD1E9BC085CCA3968223E622963E" reason="title">Etymology.</heading>
</paragraph>
<paragraph id="C511A70DD37528088259BA180F0398EC">
<taxonomicName id="59BA6450B66032FA7579E75F41A46A66" authorityName="Xiao Y. Pan" authorityYear="2025" class="Sordariomycetes" family="Xylariaceae" genus="Xylaria" kingdom="Fungi" order="Xylariales" phylum="Ascomycota" rank="species" species="acifer">
<emphasis id="6A2C79AFF8E4373958CF1920E0D1C1AD" italics="true">acifer</emphasis>
</taxonomicName>
” refers to the needle-like shape of the stromata.
</paragraph>
</subSubSection>
<subSubSection id="SECID0E2DDI" type="Teleomorph">
<paragraph id="E51C0AC19281B314B61CDE9B07C3E031">
<heading id="186254D626169CAD1A8ACDF1250BF390" reason="title">Teleomorph.</heading>
</paragraph>
<paragraph id="2AC04C289C506EAB3A5035AAEE705A0A">
<emphasis id="39E7D2ECEEF9F062328FF2B620DA628F" bold="true" italics="true">Stromata</emphasis>
upright, solitary, needle-like, unbranched,
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total length; acute sterile apex,
<quantity id="793C5D611FD19C61CF02432183AA2956" metricMagnitude="-3" metricUnit="m" metricValue="6.0" metricValueMax="10.0" metricValueMin="2.0" unit="mm" value="6.0" valueMax="10.0" valueMin="2.0">210 mm</quantity>
; fertile portion
<quantity id="431E6A651F4C5DF07D22B563ABAB794E" metricMagnitude="-3" metricUnit="m" metricValue="6.5" metricValueMax="10.0" metricValueMin="3.0" unit="mm" value="6.5" valueMax="10.0" valueMin="3.0">310 mm</quantity>
long ×
<quantity id="D1F7FA0D68400A57A5D2C5ECE52D03EC" metricMagnitude="-3" metricUnit="m" metricValue="1.0" metricValueMax="1.2" metricValueMin="0.8" unit="mm" value="1.0" valueMax="1.2" valueMin="0.8">0.81.2 mm</quantity>
diam., elongate cylindrical, composed of tightly arranged perithecia; stipe glabrous,
<quantity id="C57CE34773CFCF55B2A800A85A689C32" metricMagnitude="-2" metricUnit="m" metricValue="2.75" metricValueMax="4.0" metricValueMin="1.5" unit="mm" value="27.5" valueMax="40.0" valueMin="15.0">1540 mm</quantity>
long ×
<quantity id="F396DC80D08156BE1B096971D7962882" metricMagnitude="-4" metricUnit="m" metricValue="7.5" metricValueMax="10.0" metricValueMin="5.0" unit="mm" value="0.75" valueMax="1.0" valueMin="0.5">0.51 mm</quantity>
diam., longitudinally striate, the base slightly swollen; surface roughened, black, with conspicuous to half-exposed perithecial mounds; interior white to creamy; texture soft.
<emphasis id="76745DAFEFC54EBCF1A7603EC246E9A6" bold="true" italics="true">Perithecia</emphasis>
spherical, 250500 µm diam.
<emphasis id="FDC3C841D36B06CCBBFF4A8D28B53A6F" bold="true" italics="true">Ostioles</emphasis>
papillate.
<emphasis id="ACE14D2435024F75703F2A07026BF41C" bold="true" italics="true">Asci</emphasis>
with eight ascospores arranged in uniseriate manner, cylindrical, 90150 µm total length, spore-bearing part 6085 µm long × 5.57.5 µm wide, stipe 3070 µm long, with a bluing apical ring in Melzers reagent, tubular to slightly urn-shaped, 1.83.5 µm high × 1.42.5 µm diam.
<emphasis id="3FFD62D777AC41E2B4E8D738857D1207" bold="true" italics="true">Ascospores</emphasis>
brown to dark brown, unicellular, ellipsoid to fusiform, inequilateral, with narrowly rounded ends, smooth, (9.3 ) 1011 ( 12) × 3.74.7 µm (M = 10.6 × 4.2 µm, N = 40), with straight germ slit nearly the full length of the spore on the flattened side, a hyaline sheath visible in 1 % SDS, swollen at both ends, forming non-cellular appendages.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EXEDI" type="remarks">
<paragraph id="F1C9FC4F361F4DC75904ADC4276FDE84">
<heading id="B511C0B2D5791F03F3E6BA91E2874FD1" reason="title">Remarks.</heading>
</paragraph>
<paragraph id="6FECF2CEC8B66FE04CA9895E09E596B6">
<taxonomicName id="436D2F451C0669CB0F385438E74C483D" authorityName="Xiao Y. Pan" authorityYear="2025" class="Sordariomycetes" family="Xylariaceae" genus="Xylaria" kingdom="Fungi" order="Xylariales" phylum="Ascomycota" rank="species" species="acifer">
<emphasis id="144EAE80F4E0DC238B8806307D3D1720" italics="true">Xylaria acifer</emphasis>
</taxonomicName>
clusters with
<taxonomicName id="830D7B5DBAF0C6594398357700D5DC7F" class="Sordariomycetes" family="Xylariaceae" genus="Xylaria" kingdom="Fungi" order="Xylariales" phylum="Ascomycota" rank="species" species="hedyosmicola">
<emphasis id="C49F449961D311FE68173CD10B53C02C" italics="true">X. hedyosmicola</emphasis>
</taxonomicName>
in the phylogenetic tree, and they share some similarities in stromatal morphology, yet they also exhibit distinct differences. The stromata of
<taxonomicName id="3D664C2C8D0DB297475B23878FFFF32B" class="Sordariomycetes" family="Xylariaceae" genus="Xylaria" kingdom="Fungi" order="Xylariales" phylum="Ascomycota" rank="species" species="hedyosmicola">
<emphasis id="53FFC2BF013FC591BD06EF337DDC04EE" italics="true">X. hedyosmicola</emphasis>
</taxonomicName>
possess more prominent perithecial mounds (half-exposed to fully exposed), and its ascospores are brown, ellipsoid, and larger (( 12 ) 1315 ( 16.7) × (6 ) 6.57.5 ( 8.5) µm) (
<bibRefCitation id="D35FF932AB943DCC0CC3376CE9D7F13B" DOI="10.3897/mycokeys.86.71623" author="Pan" etAl="et al." firstAuthor="Pan" journalOrPublisher="MycoKeys" pagination="47-63" refId="B29" refString="Pan XY, Song ZK, Qu Z, Liu TD, Ma HX (2022) Three new Xylaria species (Xylariaceae, Xylariales) on fallen leaves from Hainan Tropical Rainforest National Park. MycoKeys 86: 4763. https://doi.org/10.3897/mycokeys.86.71623" title="Three new Xylaria species (Xylariaceae, Xylariales) on fallen leaves from Hainan Tropical Rainforest National Park." volume="86" year="2022">Pan et al. 2022</bibRefCitation>
).
<taxonomicName id="CFD6D90BB801382ADE21EE76A299E8A7" class="Sordariomycetes" family="Xylariaceae" genus="Xylaria" kingdom="Fungi" order="Xylariales" phylum="Ascomycota" rank="species" species="vittatipiliformis">
<emphasis id="B58734B1D9083C6AFD8F4EB76B7724F4" italics="true">Xylaria vittatipiliformis</emphasis>
</taxonomicName>
Y. - M. Ju, H. - M. Hsieh &amp; Fournier and
<taxonomicName id="3007CBDDF47D580344E878F4597C6748" class="Sordariomycetes" family="Xylariaceae" genus="Xylaria" kingdom="Fungi" order="Xylariales" phylum="Ascomycota" rank="species" species="vittiformis">
<emphasis id="C8C3C6BF92F4D435A461418D3A6CEEAA" italics="true">X. vittiformis</emphasis>
</taxonomicName>
Y. - M. Ju &amp; H. - M. Hsieh are morphologically similar to
<taxonomicName id="1E11C4FB46B2372D240B792A61093B7E" authorityName="Xiao Y. Pan" authorityYear="2025" class="Sordariomycetes" family="Xylariaceae" genus="Xylaria" kingdom="Fungi" order="Xylariales" phylum="Ascomycota" rank="species" species="acifer">
<emphasis id="163BF8404D679A454D4400251764B52B" italics="true">X. acifer</emphasis>
</taxonomicName>
.
<taxonomicName id="709487BC8B8CB48027631858B102033B" class="Sordariomycetes" family="Xylariaceae" genus="Xylaria" kingdom="Fungi" order="Xylariales" phylum="Ascomycota" rank="species" species="vittatipiliformis">
<emphasis id="47E7397186C1E518702C0A7DFE8D0369" italics="true">Xylaria vittatipiliformis</emphasis>
</taxonomicName>
can be distinguished by its band-like striped grayish brown outer peeling layer and larger ascospores (( 10 ) 1112 ( 12.5) × (5.5 ) 67 ( 7.5) µm) (
<bibRefCitation id="ACFD81B57252BF3ECE88EC5A35E1AE6E" DOI="10.1186/s40529-023-00377-w" author="Ju and Hsieh" firstAuthor="Ju" issue="1" journalOrPublisher="Botanical Studies" pagination="19" refId="B17" refString="Ju YM, Hsieh HM (2023) Xylaria species associated with fallen leaves and petioles. Botanical Studies 64 (1): 19. https://doi.org/10.1186/s40529-023-00377-w" title="Xylaria species associated with fallen leaves and petioles." volume="64" year="2023">Ju and Hsieh 2023</bibRefCitation>
).
<taxonomicName id="2EBB7FA15D863D424A6B6489DC531A17" class="Sordariomycetes" family="Xylariaceae" genus="Xylaria" kingdom="Fungi" order="Xylariales" phylum="Ascomycota" rank="species" species="vittiformis">
<emphasis id="22964F9859E836837A3C31C619D952B1" italics="true">Xylaria vittiformis</emphasis>
</taxonomicName>
is separated from
<taxonomicName id="B992ECFCF95A4F1D71300BBAF6811299" authorityName="Xiao Y. Pan" authorityYear="2025" class="Sordariomycetes" family="Xylariaceae" genus="Xylaria" kingdom="Fungi" order="Xylariales" phylum="Ascomycota" rank="species" species="acifer">
<emphasis id="D50889DD8750A2000CA18F4C5B132FDB" italics="true">X. acifer</emphasis>
</taxonomicName>
by its grayish brown outer peeling layer split into band-like stripes, smaller perithecia (150200 μm broad), and ellipsoid ascospores, (8 ) 8.510 ( 11) × (4 ) 4.55 ( 5.5) µm (
<bibRefCitation id="6368572499D1CC1071B66D129D9879B4" DOI="10.1186/s40529-023-00377-w" author="Ju and Hsieh" firstAuthor="Ju" issue="1" journalOrPublisher="Botanical Studies" pagination="19" refId="B17" refString="Ju YM, Hsieh HM (2023) Xylaria species associated with fallen leaves and petioles. Botanical Studies 64 (1): 19. https://doi.org/10.1186/s40529-023-00377-w" title="Xylaria species associated with fallen leaves and petioles." volume="64" year="2023">Ju and Hsieh 2023</bibRefCitation>
).
</paragraph>
<paragraph id="E5C3057FDB1E7318100277A079EF1839">
<taxonomicName id="AF80CBD8FDBE33222BBC0CAE8D8506FB" authority="Y. M. Ju &amp; H. M. Hsieh" authorityName="Y. M. Ju &amp; H. M. Hsieh" class="Sordariomycetes" family="Xylariaceae" genus="Xylaria" kingdom="Fungi" order="Xylariales" phylum="Ascomycota" rank="species" species="appendiculatoides">
<emphasis id="58363B4945D1AE7CDC73AE5D375CA2B8" italics="true">Xylaria appendiculatoides</emphasis>
Y. M. Ju &amp; H. M. Hsieh
</taxonomicName>
,
<taxonomicName id="E77D74FA6E57D72790BF839C674C5BC8" class="Sordariomycetes" family="Xylariaceae" genus="Podosordaria" kingdom="Fungi" order="Xylariales" phylum="Ascomycota" rank="species" species="filiformis">
<emphasis id="574B9B4909D41BF55B81B140D7D36C4D" italics="true">X. filiformis</emphasis>
</taxonomicName>
, and
<taxonomicName id="4C0371874C666DF6489A81AA1B3610BA" class="Sordariomycetes" family="Xylariaceae" genus="Xylaria" kingdom="Fungi" order="Xylariales" phylum="Ascomycota" rank="species" species="simplicissima">
<emphasis id="D1E93C277E818B744A4410695B1B6FA9" italics="true">X. simplicissima</emphasis>
</taxonomicName>
are also similar to
<taxonomicName id="D236B85E5563BE695B15B5624B1FBBF3" authorityName="Xiao Y. Pan" authorityYear="2025" class="Sordariomycetes" family="Xylariaceae" genus="Xylaria" kingdom="Fungi" order="Xylariales" phylum="Ascomycota" rank="species" species="acifer">
<emphasis id="B9C65E2E87ED1B25364D66DFFF45AFA1" italics="true">X. acifer</emphasis>
</taxonomicName>
in stromatal morphology but are distinctly different.
<taxonomicName id="9230359C1D98D0021572ED82C21B62A4" class="Sordariomycetes" family="Xylariaceae" genus="Xylaria" kingdom="Fungi" order="Xylariales" phylum="Ascomycota" rank="species" species="appendiculatoides">
<emphasis id="CE58F7295BD362C0ABC0C318B0A8BC0D" italics="true">Xylaria appendiculatoides</emphasis>
</taxonomicName>
has stromata with sharper ostioles (conic-papillate, tilting upwards) and larger ascospores (( 14 ) 1516 ( 17) × (6.5 ) 7.07.5 ( 8) µm) (
<bibRefCitation id="23073130F51AC698A5040E20A000CE59" DOI="10.1186/s40529-023-00377-w" author="Ju and Hsieh" firstAuthor="Ju" issue="1" journalOrPublisher="Botanical Studies" pagination="19" refId="B17" refString="Ju YM, Hsieh HM (2023) Xylaria species associated with fallen leaves and petioles. Botanical Studies 64 (1): 19. https://doi.org/10.1186/s40529-023-00377-w" title="Xylaria species associated with fallen leaves and petioles." volume="64" year="2023">Ju and Hsieh 2023</bibRefCitation>
).
<taxonomicName id="23B72B587989B4DBBFB1564D49B1CA87" baseAuthorityName="Ju and Hsieh" baseAuthorityYear="2023" class="Sordariomycetes" family="Xylariaceae" genus="Xylaria" kingdom="Fungi" order="Xylariales" phylum="Ascomycota" rank="species" species="filiformis">
<emphasis id="53301DD2F8F9F94743395FDCEF472B8F" italics="true">Xylaria filiformis</emphasis>
</taxonomicName>
and
<taxonomicName id="943B4293981115BDD0232882F951B7FC" class="Sordariomycetes" family="Xylariaceae" genus="Xylaria" kingdom="Fungi" order="Xylariales" phylum="Ascomycota" rank="species" species="simplicissima">
<emphasis id="5BDAE86977A3784A6C5B78AF69DD3946" italics="true">X. simplicissima</emphasis>
</taxonomicName>
have ascospores that are markedly different from those of
<taxonomicName id="D4C1811C4BD90F8AC38D493E208D5215" authorityName="Xiao Y. Pan" authorityYear="2025" class="Sordariomycetes" family="Xylariaceae" genus="Xylaria" kingdom="Fungi" order="Xylariales" phylum="Ascomycota" rank="species" species="acifer">
<emphasis id="9A3A18FD97F01546AAA801373FB5E82E" italics="true">X. acifer</emphasis>
</taxonomicName>
.
<taxonomicName id="9BA121B85704920FFB32E7454DB586A0" baseAuthorityName="Ju and Hsieh" baseAuthorityYear="2023" class="Sordariomycetes" family="Xylariaceae" genus="Xylaria" kingdom="Fungi" order="Xylariales" phylum="Ascomycota" rank="species" species="filiformis">
<emphasis id="4B8A03738CD7C94259501C051CC39DCD" italics="true">Xylaria filiformis</emphasis>
</taxonomicName>
has light brown ascospores that are larger (( 9.5 ) 11.513.5 ( 14.5) × (4 ) 4.55.5 ( 6) µm) (
<bibRefCitation id="C8A96275A4FD8A739CACABD3ECB00149" DOI="10.1186/s40529-023-00377-w" author="Ju and Hsieh" firstAuthor="Ju" issue="1" journalOrPublisher="Botanical Studies" pagination="19" refId="B17" refString="Ju YM, Hsieh HM (2023) Xylaria species associated with fallen leaves and petioles. Botanical Studies 64 (1): 19. https://doi.org/10.1186/s40529-023-00377-w" title="Xylaria species associated with fallen leaves and petioles." volume="64" year="2023">Ju and Hsieh 2023</bibRefCitation>
).
<taxonomicName id="44DD86E271B0B2BAD205F5B26C87121B" class="Sordariomycetes" family="Xylariaceae" genus="Xylaria" kingdom="Fungi" order="Xylariales" phylum="Ascomycota" rank="species" species="simplicissima">
<emphasis id="569418226D3BE6F69D24E119CD0E4147" italics="true">Xylaria simplicissima</emphasis>
</taxonomicName>
has larger ascospores (( 15 ) 16.519 ( 21.5) × (5 ) 5.56.5 ( 7.5) µm) that lack non-cellular appendages (
<bibRefCitation id="87D64FA06BF4F1D5A62CD604E34C35BE" DOI="10.1186/s40529-023-00377-w" author="Ju and Hsieh" firstAuthor="Ju" issue="1" journalOrPublisher="Botanical Studies" pagination="19" refId="B17" refString="Ju YM, Hsieh HM (2023) Xylaria species associated with fallen leaves and petioles. Botanical Studies 64 (1): 19. https://doi.org/10.1186/s40529-023-00377-w" title="Xylaria species associated with fallen leaves and petioles." volume="64" year="2023">Ju and Hsieh 2023</bibRefCitation>
). Additionally,
<taxonomicName id="9669B3176495E75B661BC2715EDD7F10" authorityName="Xiao Y. Pan" authorityYear="2025" class="Sordariomycetes" family="Xylariaceae" genus="Xylaria" kingdom="Fungi" order="Xylariales" phylum="Ascomycota" rank="species" species="acifer">
<emphasis id="3BD4DDD6CAC8F2EB56425467CEC2F497" italics="true">X. acifer</emphasis>
</taxonomicName>
,
<taxonomicName id="BC652DD1288679FF3B75DA19302628F5" baseAuthorityName="Ju and Hsieh" baseAuthorityYear="2023" class="Sordariomycetes" family="Xylariaceae" genus="Xylaria" kingdom="Fungi" order="Xylariales" phylum="Ascomycota" rank="species" species="filiformis">
<emphasis id="3E783331DA3644DF66E979760CBA5B6A" italics="true">X. filiformis</emphasis>
</taxonomicName>
, and
<taxonomicName id="15C3F08AE6AD4B409C9B7C8F1648AAF9" class="Sordariomycetes" family="Xylariaceae" genus="Xylaria" kingdom="Fungi" order="Xylariales" phylum="Ascomycota" rank="species" species="simplicissima">
<emphasis id="32BA5442049AC5BEB9AAC44F60BC0309" italics="true">X. simplicissima</emphasis>
</taxonomicName>
are distributed in different clades in the phylogenetic tree.
<taxonomicName id="EB6261AEABFCFB934D0CBD1C5BBD218F" authority="(Dennis) D. Hawksw." authorityName="D. Hawksw." baseAuthorityName="Dennis" class="Sordariomycetes" family="Xylariaceae" genus="Xylaria" kingdom="Fungi" order="Xylariales" phylum="Ascomycota" rank="species" species="maitlandii">
<emphasis id="B0D841FF05D46D4F6349D169D2DC0137" italics="true">Xylaria maitlandii</emphasis>
(Dennis) D. Hawksw.
</taxonomicName>
has a somewhat similar stromatal shape to
<taxonomicName id="112F3202DEBC52BFCED6F877D0B6861C" authorityName="Xiao Y. Pan" authorityYear="2025" class="Sordariomycetes" family="Xylariaceae" genus="Xylaria" kingdom="Fungi" order="Xylariales" phylum="Ascomycota" rank="species" species="acifer">
<emphasis id="EFE4DECA9585FCF722B087AF46C47AB4" italics="true">X. acifer</emphasis>
</taxonomicName>
. However,
<taxonomicName id="D45754848F501FF2A10B749B2F121272" class="Sordariomycetes" family="Xylariaceae" genus="Xylaria" kingdom="Fungi" order="Xylariales" phylum="Ascomycota" rank="species" species="maitlandii">
<emphasis id="0AF853145E2B77C9A496B518ECC0B3E9" italics="true">X. maitlandii</emphasis>
</taxonomicName>
has hairy stromata, which clearly distinguishes it from
<taxonomicName id="651F05D5DAB2835FD13F6561E6946A26" authorityName="Xiao Y. Pan" authorityYear="2025" class="Sordariomycetes" family="Xylariaceae" genus="Xylaria" kingdom="Fungi" order="Xylariales" phylum="Ascomycota" rank="species" species="acifer">
<emphasis id="6E5D5551C4EDD027828E39E2242F3433" italics="true">X. acifer</emphasis>
</taxonomicName>
(
<bibRefCitation id="168C98089F3AB60D1DE75154282357A8" DOI="10.1186/s40529-023-00377-w" author="Ju and Hsieh" firstAuthor="Ju" issue="1" journalOrPublisher="Botanical Studies" pagination="19" refId="B17" refString="Ju YM, Hsieh HM (2023) Xylaria species associated with fallen leaves and petioles. Botanical Studies 64 (1): 19. https://doi.org/10.1186/s40529-023-00377-w" title="Xylaria species associated with fallen leaves and petioles." volume="64" year="2023">Ju and Hsieh 2023</bibRefCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="SECID0EZODI" type="Additional specimen examined">
<paragraph id="56E2AED1AAFFDF25099F7A5C12615E14">
<heading id="A50997C566A00D8B7D41614A165F548C" reason="title">Additional specimen examined.</heading>
</paragraph>
<paragraph id="3423BA6941F5E8398D763E089DD608AD">
<materialsCitation id="9DEF3CE15527793180B977B9E13D5774" collectedFrom="on fallen leaves" collectingDate="2023-06-18" collectionCode="ITS" collectorName="Xiaoyan Pan" country="China" elevation="937" latitude="18.725279" location="Diaoluoshan Area of Hainan Tropical Rainforest National Park" longLatPrecision="21" longitude="109.87056" municipality="Diaoluoshan Area" specimenCode="HAFFR 130, RPB 2" specimenCount="1" stateProvince="Hainan Province">
<collectingCountry id="0FDCC5CE31F8952E4DE6F45A038194D1" name="China">China</collectingCountry>
<collectingRegion id="7B9E76A38664CB4E853209DFF93CB6B4" country="China" name="Hainan">Hainan Province</collectingRegion>
,
<location id="CE9E10F812F9B0C139FED8B1F45F0B5F" LSID="urn:lsid:plazi:treatment:F10FD265F3535914B4D8FA1672AF05B2:CE9E10F812F9B0C139FED8B1F45F0B5F" country="China" latitude="18.725279" longLatPrecision="21" longitude="109.87056" municipality="Diaoluoshan Area" name="Diaoluoshan Area of Hainan Tropical Rainforest National Park" stateProvince="Hainan Province">Diaoluoshan Area of Hainan Tropical Rainforest National Park</location>
;
<named-content content-type="dwc:verbatimCoordinates" id="NCID0ECPDI" specific-use="{&quot;type&quot;:&quot;Point&quot;,&quot;coordinates&quot;:[109.870556,18.725278]}">
<geoCoordinate id="C8382EF17F288E6CB8743A5739BA1392" degrees="18" direction="north" minutes="43" orientation="latitude" precision="15" seconds="31" value="18.725279">18°43'31&quot;N</geoCoordinate>
,
<geoCoordinate id="4DB70F2754F80C745E3AEB925FC78449" degrees="109" direction="east" minutes="52" orientation="longitude" precision="15" seconds="14" value="109.87056">109°52'14&quot;E</geoCoordinate>
</named-content>
;
<elevation id="828D268D5433BF1D77D1677B9936181C" metricMagnitude="2" metricUnit="m" metricValue="9.37" unit="m" value="937.0">
elevation
<quantity id="5C9ED80B26F3C9455CA2DAF281C168BA" metricMagnitude="2" metricUnit="m" metricValue="9.37" unit="m" value="937.0">937 m</quantity>
</elevation>
;
<collectedFrom id="8DFE70D2D50792718D3003E524F935E1">on fallen leaves</collectedFrom>
,
<date id="C1B991FF832958A64A88878100D9E2CF" value="2023-06-18">
<collectingDate id="06EF94D89B9C20AF786C20CE54FB4507" value="2023-06-18">18 June 2023</collectingDate>
</date>
,
<collectorName id="4389FD2C689E0EA1A3D02B894C77264A">Xiaoyan Pan</collectorName>
(
<specimenCode id="A1D22CD04FB69139E1C0CD4F92B64182" collectionCode="HAFFR">HAFFR 130</specimenCode>
). GenBank accession numbers
<ext-link id="B83C2F302F82B23AF165E09C0DE5575F" ext-link-type="gen" xlink_href="PQ483150" xlink_type="simple">PQ 483150</ext-link>
(ITS) and
<ext-link id="013C05006BF72F5CB004847DA987FC47" ext-link-type="gen" xlink_href="PQ498328" xlink_type="simple">PQ 498328</ext-link>
(
<specimenCode id="C8F0C12BB39C2A6B0395CD76B910EFE1" collectionCode="RPB">RPB 2</specimenCode>
)
</materialsCitation>
.
</paragraph>
</subSubSection>
</treatment>
</document>