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<document ID-DOI="http://dx.doi.org/10.3897/mycokeys.35.25271" ID-GBIF-Dataset="7ec525d3-b33f-4171-b4ed-8be9975eb5db" ID-PMC="PMC6021479" ID-Pensoft-Pub="1314-4049--27" ID-PubMed="30622400" ModsDocAuthor="" ModsDocDate="2018" ModsDocID="1314-4049--27" ModsDocOrigin="MycoKeys " ModsDocTitle="Molecular and morphological evidence reveal a new genus and species in Auriculariales from tropical China" checkinTime="1553125625297" checkinUser="pensoft" docAuthor="Yuan, Hai-Sheng, Lu, Xu &amp; Decock, Cony" docDate="2018" docId="9705A3EF7064A20DBE48EC2FA19D4E0A" docLanguage="en" docName="MycoKeys 35: 27-39" docOrigin="MycoKeys 35" docSource="http://dx.doi.org/10.3897/mycokeys.35.25271" docTitle="Grammatus labyrinthinus H. S. Yuan &amp; C. Decock, sp. nov." docType="treatment" docVersion="4" lastPageNumber="33" masterDocId="EB4B0B6AFFBFD76F93487024C07EFFBD" masterDocTitle="Molecular and morphological evidence reveal a new genus and species in Auriculariales from tropical China" masterLastPageNumber="39" masterPageNumber="27" pageNumber="31" updateTime="1668136004719" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Molecular and morphological evidence reveal a new genus and species in Auriculariales from tropical China</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Yuan, Hai-Sheng</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Lu, Xu</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Decock, Cony</mods:namePart>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>MycoKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2018</mods:date>
<mods:detail type="volume">
<mods:number>35</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>27</mods:start>
<mods:end>39</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location>
<mods:url>http://dx.doi.org/10.3897/mycokeys.35.25271</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/mycokeys.35.25271</mods:identifier>
<mods:identifier type="Pensoft-Pub">1314-4049--27</mods:identifier>
</mods:mods>
<treatment ID-GBIF-Taxon="154474037" LSID="urn:lsid:plazi:treatment:9705A3EF7064A20DBE48EC2FA19D4E0A" httpUri="http://treatment.plazi.org/id/9705A3EF7064A20DBE48EC2FA19D4E0A" lastPageId="7" lastPageNumber="33" pageId="4" pageNumber="31">
<subSubSection pageId="4" pageNumber="31" type="nomenclature">
<paragraph pageId="4" pageNumber="31">
<taxonomicName LSID="MB825393" authority="H. S. Yuan &amp; C. Decock" class="Agaricomycetes" family="Auriculariaceae" genus="Grammatus" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Grammatus labyrinthinus" order="Auriculariales" pageId="4" pageNumber="31" phylum="Basidiomycota" rank="species" species="labyrinthinus">Grammatus labyrinthinus H.S. Yuan &amp; C. Decock</taxonomicName>
<taxonomicNameLabel pageId="4" pageNumber="31">sp. nov.</taxonomicNameLabel>
Figures 3, 4
</paragraph>
</subSubSection>
<subSubSection pageId="4" pageNumber="31" type="diagnoses">
<paragraph pageId="4" pageNumber="31">Diagnoses.</paragraph>
<paragraph pageId="4" pageNumber="31">
Basidiocarps annual, resupinate; hymenium restricted to the base of the tubes. Hymenophoral surface irregularly irpicoid to subporoid, then labyrinthine to sinuous. Subiculum very thin. Tubes shallow. Hyphal system dimitic; generative hyphae bearing clamp connections; skeletal hyphae
<normalizedToken originalValue="IKI–">IKI-</normalizedToken>
, CB+. Skeletocystidia clavate, the upper part heavily encrusted. Dendrohyphidia present, thin- to slightly thick-walled. Basidia subglobose, longitudinally septate. Basidiospores oblong-ellipsoid to cylindrical, hyaline, thin-walled, smooth,
<normalizedToken originalValue="IKI–">IKI-</normalizedToken>
,
<normalizedToken originalValue="CB–">CB-</normalizedToken>
.
</paragraph>
</subSubSection>
<subSubSection pageId="4" pageNumber="31" type="materials_examined">
<paragraph pageId="4" pageNumber="31">Type.</paragraph>
<paragraph pageId="4" pageNumber="31">China. Yunnan Province, Xishuangbanna, Jinghong County, Nabanhe Nat. Res., fallen angiosperm branch, 17.VIII.2005 Yuan 1759 (holotype: IFP 019121).</paragraph>
</subSubSection>
<subSubSection lastPageId="6" lastPageNumber="33" pageId="4" pageNumber="31" type="etymology">
<paragraph pageId="4" pageNumber="31">Etymology.</paragraph>
<paragraph pageId="4" pageNumber="31">
<taxonomicName lsidName="labyrinthinus" pageId="4" pageNumber="31" rank="species" species="labyrinthinus">labyrinthinus</taxonomicName>
(Lat.): refers to labyrinthine hymenophore.
</paragraph>
<paragraph lastPageId="5" lastPageNumber="32" pageId="4" pageNumber="31">
Basidiocarps annual, resupinate, coriaceous, without special odour or taste when fresh, corky when dry, up to 15 cm long, 3 cm wide and 0.2 mm thick. Hymenophoral surface cream to pale buff when fresh, cinnamon-buff to yellowish-brown upon drying, firstly irregularly irpicoid to subporoid, the separate plates grow laterally and then develop into labyrinthine to sinuous pores, mostly 4-5 per mm, dissepiments thin; sterile margin up to 0.2 mm wide, pale yellow. Subiculum very thin (ca. 0.1
<pageBreakToken pageId="5" pageNumber="32" start="start">mm</pageBreakToken>
thick), cream to pale buff. Tubes corky, concolorous with pore surface, shallow, up to 130
<normalizedToken originalValue="µm">µm</normalizedToken>
deep, tube walls 120-200
<normalizedToken originalValue="µm">µm</normalizedToken>
thick. Hymenium restricted to the base of the tubes.
</paragraph>
<paragraph pageId="6" pageNumber="33">
<pageBreakToken pageId="6" pageNumber="33" start="start">Hyphal</pageBreakToken>
structure. Hyphal system dimitic; generative hyphae bearing clamp connections, skeletal hyphae
<normalizedToken originalValue="IKI–">IKI-</normalizedToken>
, CB+; tissue unchanged in KOH.
</paragraph>
<paragraph pageId="6" pageNumber="33">
Subiculum. Dominated by skeletal hyphae; generative hyphae hyaline, thin-walled, rarely branched, 1.5-2.8
<normalizedToken originalValue="µm">µm</normalizedToken>
diam; skeletal hyphae hyaline, thick-walled to subsolid, straight to flexuous, covered by fine crystals, occasionally branched, interwoven, 1.8-3
<normalizedToken originalValue="µm">µm</normalizedToken>
diam.
</paragraph>
<paragraph pageId="6" pageNumber="33">
Tubes. Generative hyphae infrequent, hyaline, thin-walled, rarely branched, 1.5-2.5
<normalizedToken originalValue="μm">μm</normalizedToken>
diam; skeletal hyphae dominant, hyaline, thick-walled to subsolid, moderately branched, interwoven, 1.8-2.8
<normalizedToken originalValue="μm">μm</normalizedToken>
diam. Skeletocystidia numerous, clavate, thick-walled, originating from and tightly embedded in trama, upper part heavily encrusted, 10-30
<normalizedToken originalValue="×">x</normalizedToken>
4-8
<normalizedToken originalValue="µm">µm</normalizedToken>
(with encrustation). Dendrohyphidia present, especially along the dissepiments, arising from generative hyphae, thin- to slightly thick-walled, apically moderately to strongly branched. Basidia subglobose, longitudinally septate, already septate as probasidia, 18-25
<normalizedToken originalValue="×">x</normalizedToken>
10-13
<normalizedToken originalValue="μm">μm</normalizedToken>
, epibasidia divided into four parts up to 20
<normalizedToken originalValue="μm">μm</normalizedToken>
long, bearing four sterigmata and without clamp connection at the base, sterigmata up to 20
<normalizedToken originalValue="μm">μm</normalizedToken>
long.
</paragraph>
<paragraph pageId="6" pageNumber="33">
Basidiospores. Oblong-ellipsoid to cylindrical, hyaline, thin-walled, smooth,
<normalizedToken originalValue="IKI–">IKI-</normalizedToken>
,
<normalizedToken originalValue="CB–">CB-</normalizedToken>
, (13
<normalizedToken originalValue="–)13.3–15.7(–">-)13.3-15.7(-</normalizedToken>
16)
<normalizedToken originalValue="×">x</normalizedToken>
(6
<normalizedToken originalValue="–)6.4–7.4(–">-)6.4-7.4(-</normalizedToken>
7.7)
<normalizedToken originalValue="μm">μm</normalizedToken>
, L = 14.4
<normalizedToken originalValue="μm">μm</normalizedToken>
, W = 6.94
<normalizedToken originalValue="μm">μm</normalizedToken>
, Q = 2.07-2.1 (n = 60/2).
</paragraph>
</subSubSection>
<subSubSection lastPageId="7" lastPageNumber="34" pageId="6" pageNumber="33" type="type of rot">
<paragraph pageId="6" pageNumber="33">Type of rot.</paragraph>
<paragraph pageId="6" pageNumber="33">White rot.</paragraph>
<paragraph lastPageId="7" lastPageNumber="34" pageId="6" pageNumber="33">
Additional specimens examined - China. Yunnan Province, Xishuangbanna, Jinghong County, Elephant Valley Forest Park, fallen angiosperm branch, 14.VIII.2005
<pageBreakToken pageId="7" pageNumber="34" start="start">Yuan</pageBreakToken>
1600 (IFP 019118); Nabanhe Nat. Res., fallen angiosperm branch, 15.VIII.2005 Yuan 1683 (IFP 019119); fallen angiosperm branch, 17.VIII.2005 Yuan 1734 (IFP 019120).
</paragraph>
</subSubSection>
</treatment>
</document>
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