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<document ID-DOI="10.11646/phytotaxa.578.2.3" ID-ISSN="1179-3163" ID-Zenodo-Dep="7517848" approvalRequired="1" approvalRequired_for_textStreams="1" checkinTime="1673306486843" checkinUser="plazi" docAuthor="Zhang, Qiu-Yue, Si, Jing &amp; Li, Hai-Jiao" docDate="2023" docId="A44E85689F01FF87FF18FFD8C690F23E" docLanguage="en" docName="phytotaxa.578.2.3.pdf" docOrigin="Phytotaxa 578 (2)" docSource="http://dx.doi.org/10.11646/phytotaxa.578.2.3" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.4:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="4" docTitle="Marasmius yunnanensis Q. Y. Zhang, J. Si &amp; H. J. Li 2023, sp. nov." docType="treatment" docVersion="2" lastPageNumber="176" masterDocId="5877FD109F07FF80FF90FF2CC205F377" masterDocTitle="A new Marasmius species (Agaricales, Marasmiaceae) with sessile basidiomata growing on wood, from Yunnan, China" masterLastPageNumber="179" masterPageNumber="169" pageNumber="175" updateTime="1673306867708" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>A new Marasmius species (Agaricales, Marasmiaceae) with sessile basidiomata growing on wood, from Yunnan, China</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Zhang, Qiu-Yue</mods:namePart>
<mods:nameIdentifier type="ORCID">0000-0001-9458-3566</mods:nameIdentifier>
<mods:affiliation>Institute of Microbiology, School of Ecology and Nature Conservation, Beijing Forestry University, Beijing 100083, China &amp; zhangqiuyue @ bjfu. edu. cn; https: // orcid. org / 0000 - 0001 - 9458 - 3566</mods:affiliation>
<mods:nameIdentifier type="email">zhangqiuyue@bjfu.edu.cn</mods:nameIdentifier>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Si, Jing</mods:namePart>
<mods:nameIdentifier type="ORCID">0000-0001-9229-0727</mods:nameIdentifier>
<mods:affiliation>Institute of Microbiology, School of Ecology and Nature Conservation, Beijing Forestry University, Beijing 100083, China &amp; jingsi 1788 @ 126. com; https: // orcid. org / 0000 - 0001 - 9229 - 0727</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Li, Hai-Jiao</mods:namePart>
<mods:nameIdentifier type="ORCID">0000-0002-7227-4479</mods:nameIdentifier>
<mods:affiliation>National Institute of Occupational Health and Poison Control, Chinese Center for Disease Control and Prevention, Beijing 100050, China &amp; lihaijiao 715 @ 126. com; https: // orcid. org / 0000 - 0002 - 7227 - 4479</mods:affiliation>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>Phytotaxa</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2023</mods:date>
<mods:detail type="pubDate">
<mods:number>2023-01-06</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>578</mods:number>
</mods:detail>
<mods:detail type="issue">
<mods:number>2</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>169</mods:start>
<mods:end>179</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location>
<mods:url>http://dx.doi.org/10.11646/phytotaxa.578.2.3</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">10.11646/phytotaxa.578.2.3</mods:identifier>
<mods:identifier type="ISSN">1179-3163</mods:identifier>
<mods:identifier type="Zenodo-Dep">7517848</mods:identifier>
</mods:mods>
<treatment LSID="urn:lsid:plazi:treatment:A44E85689F01FF87FF18FFD8C690F23E" httpUri="http://treatment.plazi.org/id/A44E85689F01FF87FF18FFD8C690F23E" lastPageId="7" lastPageNumber="176" pageId="6" pageNumber="175">
<subSubSection pageId="6" pageNumber="175" type="nomenclature">
<paragraph blockId="6.[136,962,244,271]" box="[136,962,244,271]" pageId="6" pageNumber="175">
<heading box="[136,962,244,271]" fontSize="11" level="2" pageId="6" pageNumber="175" reason="3">
<taxonomicName authority="Q.Y. Zhang, J. Si &amp; H.J. Li" authorityName="Q. Y. Zhang, J. Si &amp; H. J. Li" authorityYear="2023" box="[136,734,244,271]" class="Agaricomycetes" family="Marasmiaceae" genus="Marasmius" kingdom="Fungi" order="Agaricales" pageId="6" pageNumber="175" phylum="Basidiomycota" rank="species" species="yunnanensis" status="sp. nov.">
<emphasis bold="true" box="[136,420,244,270]" italics="true" pageId="6" pageNumber="175">Marasmius yunnanensis</emphasis>
Q.Y. Zhang, J. Si &amp; H.J. Li
</taxonomicName>
,
<emphasis bold="true" box="[745,832,244,270]" italics="true" pageId="6" pageNumber="175">
<taxonomicNameLabel box="[745,832,244,270]" pageId="6" pageNumber="175" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
(
<figureCitation box="[848,954,244,270]" captionStart-0="FIGURE 2" captionStart-1="FIGURE 3" captionStartId-0="6.[136,229,1723,1745]" captionStartId-1="7.[136,229,1784,1806]" captionTargetBox-0="[155,1433,798,1693]" captionTargetBox-1="[191,1396,366,1746]" captionTargetId-0="figure-183@6.[151,1436,796,1696]" captionTargetId-1="figure-85@7.[170,1416,353,1759]" captionTargetPageId-0="6" captionTargetPageId-1="7" captionText-0="FIGURE 2. Basidiomata of Marasmius yunnanensis. (A, B from paratype, Dai 19857; C, D from holotype, Dai 19782). Photos by: Qiu- Yue Zhang." captionText-1="FIGURE 3. Microscopic structures of Marasmius yunnanensis (Dai 19782, holotype). a Basidiospores. b Basidia and basidioles. c Cheilocystidia. d Hyphae from pileipellis, including terminal cell. e Section of lamellae trama, showing cheilocystidia, basidia and basidioles. Drawings by: Qiu-Yue Zhang." figureDoi-0="http://doi.org/10.5281/zenodo.7517852" figureDoi-1="http://doi.org/10.5281/zenodo.7517854" httpUri-0="https://zenodo.org/record/7517852/files/figure.png" httpUri-1="https://zenodo.org/record/7517854/files/figure.png" pageId="6" pageNumber="175">Figs. 23</figureCitation>
)
</heading>
</paragraph>
<paragraph blockId="6.[136,382,284,306]" box="[136,382,284,306]" pageId="6" pageNumber="175">MycoBank no.:—846815</paragraph>
</subSubSection>
<subSubSection lastPageId="7" lastPageNumber="176" pageId="6" pageNumber="175" type="etymology">
<paragraph blockId="6.[136,1452,352,775]" box="[136,1235,352,379]" pageId="6" pageNumber="175">
Etymology:—
<taxonomicName authority="(Lat.)" baseAuthorityName="Lat." box="[296,509,352,378]" class="Agaricomycetes" family="Marasmiaceae" genus="Marasmius" kingdom="Fungi" order="Agaricales" pageId="6" pageNumber="175" phylum="Basidiomycota" rank="species" species="yunnanensis">
<emphasis box="[296,434,353,378]" italics="true" pageId="6" pageNumber="175">yunnanensis</emphasis>
(Lat.)
</taxonomicName>
: refers to the
<typeStatus box="[660,708,353,379]" pageId="6" pageNumber="175">type</typeStatus>
locality of
<collectingRegion box="[836,1030,352,379]" country="China" name="Yunnan" pageId="6" pageNumber="175">Yunnan Province</collectingRegion>
, southwest
<collectingCountry box="[1161,1232,352,378]" name="China" pageId="6" pageNumber="175">China</collectingCountry>
.
</paragraph>
<paragraph blockId="6.[136,1452,352,775]" box="[189,1136,388,415]" pageId="6" pageNumber="175">Habitat and distribution:—gregarious on fallen angiosperm branch in tropical forest.</paragraph>
<paragraph blockId="6.[136,1452,352,775]" pageId="6" pageNumber="175">
Diagnosis:—Differs from other
<taxonomicName box="[548,762,424,450]" pageId="6" pageNumber="175">
<emphasis box="[548,674,425,450]" italics="true" pageId="6" pageNumber="175">Marasmius</emphasis>
species
</taxonomicName>
by the tiny basidiomata, sessile or short, inconspicuous stipe, and interwoven and anastomosing to subreticulate lamellae.
</paragraph>
<paragraph blockId="6.[136,1452,352,775]" pageId="6" pageNumber="175">
<materialsCitation collectingDate="2019-06-26" collectionCode="BJFC" country="China" county="Pingbian County" location="Honghe" municipality="Type" pageId="6" pageNumber="175" specimenCode="BJFC 031457" specimenCount="1" stateProvince="Yunnan" typeStatus="holotype">
<collectingMunicipality box="[189,248,496,522]" pageId="6" pageNumber="175">Type</collectingMunicipality>
:—
<collectingCountry box="[281,373,496,522]" name="China" pageId="6" pageNumber="175">CHINA</collectingCountry>
.
<collectingRegion box="[391,596,496,523]" country="China" name="Yunnan" pageId="6" pageNumber="175">Yunnan Province</collectingRegion>
:
<location LSID="urn:lsid:plazi:treatment:A44E85689F01FF87FF18FFD8C690F23E:293862A59F01FF86FDF7FEDCC0C7F17D" box="[615,706,496,522]" country="China" county="Pingbian County" municipality="Type" name="Honghe" pageId="6" pageNumber="175" stateProvince="Yunnan">Honghe</location>
,
<collectingCounty box="[726,926,496,522]" pageId="6" pageNumber="175">Pingbian County</collectingCounty>
,
<location LSID="urn:lsid:plazi:treatment:A44E85689F01FF87FF18FFD8C690F23E:293862A59F01FF86FC21FEDCC729F17D" box="[945,1324,496,523]" country="China" county="Pingbian County" municipality="Type" name="Daweishan Natural Forest Park" pageId="6" pageNumber="175" stateProvince="Yunnan">
<location LSID="urn:lsid:plazi:treatment:A44E85689F01FF87FF18FFD8C690F23E:293862A59F01FF86FC21FEDCC6E3F17C" box="[945,1254,496,523]" country="China" county="Pingbian County" municipality="Type" name="Daweishan Natural Forest" pageId="6" pageNumber="175" stateProvince="Yunnan">Daweishan Natural Forest</location>
Park
</location>
, on fallen angiosperm branch,
<date box="[364,516,532,559]" pageId="6" pageNumber="175" value="2019-06-26">
<collectingDate box="[364,516,532,559]" pageId="6" pageNumber="175" value="2019-06-26">26 June 2019</collectingDate>
</date>
,
<emphasis box="[527,646,532,558]" italics="true" pageId="6" pageNumber="175">
<location LSID="urn:lsid:plazi:treatment:A44E85689F01FF87FF18FFD8C690F23E:293862A59F01FF86FD9FFD39C03CF159" box="[527,569,533,558]" country="China" county="Pingbian County" municipality="Type" name="Dai" pageId="6" pageNumber="175" stateProvince="Yunnan">Dai</location>
19782
</emphasis>
(
<typeStatus box="[661,763,532,558]" pageId="6" pageNumber="175">holotype</typeStatus>
,
<specimenCode box="[775,934,532,559]" collectionCode="BJFC" country="China" httpUri="http://biocol.org/urn:lsid:biocol.org:col:12642" lsid="urn:lsid:biocol.org:col:12642" name="Beijing Forestry University" pageId="6" pageNumber="175" type="Herbarium">BJFC 031457</specimenCode>
)
</materialsCitation>
.
</paragraph>
<paragraph blockId="6.[136,1452,352,775]" pageId="6" pageNumber="175">
Description:—
<emphasis box="[356,498,568,594]" italics="true" pageId="6" pageNumber="175">Basidiomata</emphasis>
annual, gregarious.
<emphasis box="[744,814,568,594]" italics="true" pageId="6" pageNumber="175">Pileus</emphasis>
conchoidal, reniform to semicircular,
<quantity box="[1275,1417,568,595]" metricMagnitude="-3" metricUnit="m" metricValue="2.0" metricValueMax="2.4" metricValueMin="1.6" pageId="6" pageNumber="175" unit="mm" value="2.0" valueMax="2.4" valueMin="1.6">1.62.4 mm</quantity>
in diameter, convex to applanate; pileal surface cinnamon to cream when fresh, becoming clay-buff upon drying, dry, dull, striate to sulcate, minutely pruinose; context concolorous with pileal surface, thin.
<emphasis box="[1148,1306,640,666]" italics="true" pageId="6" pageNumber="175">Hymenophore</emphasis>
concolorous with pileal surface, lamellate; lamellae adnexed, interwoven and anastomosing to subreticulate, irregularly convex, collarium complete, distinct to indistinct in sessile basidiomata, incomplete, distinct in stipitate basidiomata; lamellae surface powdery.
<emphasis box="[334,390,748,774]" italics="true" pageId="6" pageNumber="175">Stipe</emphasis>
none, or short and inconspicuous.
<emphasis box="[780,839,748,774]" italics="true" pageId="6" pageNumber="175">Odor</emphasis>
and
<emphasis box="[894,947,749,774]" italics="true" pageId="6" pageNumber="175">taste</emphasis>
not distinctive.
</paragraph>
<caption ID-DOI="http://doi.org/10.5281/zenodo.7517852" ID-Zenodo-Dep="7517852" httpUri="https://zenodo.org/record/7517852/files/figure.png" pageId="6" pageNumber="175" startId="6.[136,229,1723,1745]" targetBox="[155,1433,798,1693]" targetPageId="6">
<paragraph blockId="6.[136,1451,1723,1781]" pageId="6" pageNumber="175">
<emphasis bold="true" box="[136,254,1723,1745]" pageId="6" pageNumber="175">FIGURE 2.</emphasis>
Basidiomata of
<taxonomicName box="[412,645,1724,1745]" class="Agaricomycetes" family="Marasmiaceae" genus="Marasmius" kingdom="Fungi" order="Agaricales" pageId="6" pageNumber="175" phylum="Basidiomycota" rank="species" species="yunnanensis">
<emphasis box="[412,645,1724,1745]" italics="true" pageId="6" pageNumber="175">Marasmius yunnanensis</emphasis>
</taxonomicName>
. (A, B from paratype, Dai 19857; C, D from holotype, Dai 19782). Photos by: QiuYue Zhang.
</paragraph>
</caption>
<paragraph blockId="6.[136,1452,1828,2070]" lastBlockId="7.[136,1452,158,329]" lastPageId="7" lastPageNumber="176" pageId="6" pageNumber="175">
<emphasis box="[189,347,1828,1854]" italics="true" pageId="6" pageNumber="175">Basidiospores</emphasis>
(7.2)810 × 56.2(6.3) μm, L = 8.80 μm, W = 5.83 μm, Q = 1.501.52 (n = 60/2), ellipsoid, hyaline, thin-walled, smooth, with some guttules, IKI, CB.
<emphasis box="[836,922,1864,1890]" italics="true" pageId="6" pageNumber="175">Basidia</emphasis>
2430 × 68 µm, clavate, with a few guttules, 2(4)-spored, sterigmata 12 μm long; basidioles numerous, lanceolate to clavate.
<emphasis box="[1086,1248,1900,1926]" italics="true" pageId="6" pageNumber="175">Cheilocystidia</emphasis>
abundant, of
<specimenCount pageId="6" pageNumber="175" type="generic" typeStatus="types">two types</specimenCount>
, the first
<typeStatus box="[301,349,1936,1962]" pageId="6" pageNumber="175">type</typeStatus>
dominant, 1230 × 816 µm, as
<taxonomicName box="[719,798,1936,1962]" class="Agaricomycetes" family="Marasmiaceae" genus="Marasmius" kingdom="Fungi" order="Agaricales" pageId="6" pageNumber="175" phylum="Basidiomycota" rank="species" species="rotalis">
<emphasis box="[719,798,1936,1962]" italics="true" pageId="6" pageNumber="175">Rotalis</emphasis>
</taxonomicName>
-
<typeStatus box="[806,856,1936,1962]" pageId="6" pageNumber="175">type</typeStatus>
broom cells, slightly thick-walled, broadly clavate to pyriform, or turbinate, or irregular, with abundant apical diverticula, often wart-like, some short and digitiform, 12 × 0.51 μm; the other
<typeStatus box="[394,445,2008,2034]" pageId="6" pageNumber="175">type</typeStatus>
, 932 × 610 µm, smooth, slightly thick-walled, clavate to pyriform.
<emphasis box="[1245,1407,2008,2034]" italics="true" pageId="6" pageNumber="175">Pleurocystidia</emphasis>
not observed.
<emphasis box="[252,366,2044,2070]" italics="true" pageId="6" pageNumber="175">Pileipellis</emphasis>
composed of a hymeniform layer of smooth or
<taxonomicName box="[906,985,2044,2070]" class="Agaricomycetes" family="Marasmiaceae" genus="Marasmius" kingdom="Fungi" order="Agaricales" pageId="6" pageNumber="175" phylum="Basidiomycota" rank="species" species="rotalis">
<emphasis box="[906,985,2044,2070]" italics="true" pageId="6" pageNumber="175">Rotalis</emphasis>
</taxonomicName>
-
<typeStatus box="[993,1043,2044,2070]" pageId="6" pageNumber="175">type</typeStatus>
broom cells; terminal cells 1940 × 1220 μm, in shape similar to cheilocystidia, oriented perpendicular to pileal surface.
<emphasis box="[1112,1363,158,184]" italics="true" pageId="7" pageNumber="176">Hymenophoral tramal</emphasis>
hyphae subparallel, hyaline, some partly swollen, thin-walled, 37 μm in diameter.
<emphasis box="[991,1208,194,220]" italics="true" pageId="7" pageNumber="176">Clamp connections</emphasis>
present in all tissues.
<emphasis box="[136,209,231,256]" italics="true" pageId="7" pageNumber="176">Trama</emphasis>
,
<emphasis box="[223,373,230,256]" italics="true" pageId="7" pageNumber="176">stipe medulla</emphasis>
and
<emphasis box="[428,552,230,256]" italics="true" pageId="7" pageNumber="176">stipitipellis</emphasis>
hyphae are slightly dextrinoid.
</paragraph>
<paragraph blockId="7.[136,1452,158,329]" pageId="7" pageNumber="176">
<materialsCitation collectingDate="2019-06-26" collectionCode="BJFC" country="China" county="Pingbian County" location="Daweishan Natural Forest Park" municipality="Honghe" pageId="7" pageNumber="176" specimenCode="BJFC 031532" specimenCount="1" stateProvince="Yunnan" typeStatus="paratype">
Additional specimen examined (
<typeStatus box="[559,660,266,292]" pageId="7" pageNumber="176">paratype</typeStatus>
):—
<collectingCountry box="[701,794,266,292]" name="China" pageId="7" pageNumber="176">CHINA</collectingCountry>
.
<collectingRegion box="[806,1004,266,293]" country="China" name="Yunnan" pageId="7" pageNumber="176">Yunnan Province</collectingRegion>
:
<collectingMunicipality box="[1017,1108,266,292]" pageId="7" pageNumber="176">Honghe</collectingMunicipality>
,
<collectingCounty box="[1122,1314,266,292]" pageId="7" pageNumber="176">Pingbian County</collectingCounty>
,
<location LSID="urn:lsid:plazi:treatment:A44E85689F01FF87FF18FFD8C690F23E:293862A59F00FF87FABFFE26C363F23F" country="China" county="Pingbian County" municipality="Honghe" name="Daweishan Natural Forest Park" pageId="7" pageNumber="176" stateProvince="Yunnan">
<location LSID="urn:lsid:plazi:treatment:A44E85689F01FF87FF18FFD8C690F23E:293862A59F00FF87FABFFE26C32CF23E" country="China" county="Pingbian County" municipality="Honghe" name="Daweishan Natural Forest" pageId="7" pageNumber="176" stateProvince="Yunnan">Daweishan Natural Forest</location>
Park
</location>
, on fallen angiosperm branch,
<date box="[703,855,302,329]" pageId="7" pageNumber="176" value="2019-06-26">
<collectingDate box="[703,855,302,329]" pageId="7" pageNumber="176" value="2019-06-26">26 June 2019</collectingDate>
</date>
,
<emphasis box="[866,985,302,328]" italics="true" pageId="7" pageNumber="176">
<location LSID="urn:lsid:plazi:treatment:A44E85689F01FF87FF18FFD8C690F23E:293862A59F00FF87FCF2FE03C189F23F" box="[866,908,303,328]" country="China" county="Pingbian County" municipality="Honghe" name="Dai" pageId="7" pageNumber="176" stateProvince="Yunnan">Dai</location>
19857
</emphasis>
(
<specimenCode box="[1000,1161,302,329]" collectionCode="BJFC" country="China" httpUri="http://biocol.org/urn:lsid:biocol.org:col:12642" lsid="urn:lsid:biocol.org:col:12642" name="Beijing Forestry University" pageId="7" pageNumber="176" type="Herbarium">BJFC 031532</specimenCode>
)
</materialsCitation>
.
</paragraph>
</subSubSection>
</treatment>
</document>