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<document id="B7F8246E06F1750F36D690C2EC7DCE60" ID-CLB-Dataset="286817" ID-DOI="10.24823/EJB.2021.348" ID-GBIF-Dataset="2f16a9fb-6dc7-4c7f-8d4c-31fa631297e3" ID-ISSN="1747-0036" ID-Zenodo-Dep="10591074" IM.bibliography_approvedBy="guilherme" IM.illustrations_approvedBy="guilherme" IM.materialsCitations_approvedBy="guilherme" IM.metadata_approvedBy="guilherme" IM.taxonomicNames_approvedBy="guilherme" IM.treatmentCitations_approvedBy="guilherme" IM.treatments_approvedBy="guilherme" checkinTime="1704822694730" checkinUser="felipe" docAuthor="Henkel, Terry W. &amp; Ryvarden, Leif" docDate="2021" docId="11178784FFD2FFCE5943FE4AFE4CFA7B" docLanguage="en" docName="EdinbJBot.78.348.1-9.pdf" docOrigin="Edinburgh Journal of Botany 78 (348)" docSource="http://dx.doi.org/10.24823/ejb.2021.348" docStyle="DocumentStyle:73DE8CF451BB5BCBD336E07A8276E690.4:EdinbJBot.2021-.journal_article" docStyleId="73DE8CF451BB5BCBD336E07A8276E690" docStyleName="EdinbJBot.2021-.journal_article" docStyleVersion="4" docTitle="Laxitextum globisporum T. W. Henkel &amp; Ryvarden 2021, sp. nov." docType="treatment" docVersion="4" lastPageNumber="4" masterDocId="ED2EFFFCFFD1FFCD593AFC7FFF9BFFC9" masterDocTitle="A SYNOPSIS OF THE WOOD-DECAY GENUS LAXITEXTUM (HERICIACEAE, RUSSULALES, BASIDIOMYCOTA) AND A NEW SPECIES FROM CAMEROON" masterLastPageNumber="9" masterPageNumber="1" pageNumber="4" updateTime="1706615889938" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0">
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<mods:title id="218F48B183D41EB430F8211A3BA24856">A SYNOPSIS OF THE WOOD-DECAY GENUS LAXITEXTUM (HERICIACEAE, RUSSULALES, BASIDIOMYCOTA) AND A NEW SPECIES FROM CAMEROON</mods:title>
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<mods:namePart id="2FE395842F151CB55307EE384D0AE373">Henkel, Terry W.</mods:namePart>
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<mods:date id="A57717A47FCA6157D27767EC0F4E7473">2021</mods:date>
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<treatment id="11178784FFD2FFCE5943FE4AFE4CFA7B" ID-DOI="http://doi.org/10.5281/zenodo.10591097" ID-Zenodo-Dep="10591097" LSID="urn:lsid:plazi:treatment:11178784FFD2FFCE5943FE4AFE4CFA7B" httpUri="http://treatment.plazi.org/id/11178784FFD2FFCE5943FE4AFE4CFA7B" lastPageNumber="4" pageId="3" pageNumber="4">
<subSubSection id="D1A46519FFD2FFCE5943FE4AFC8EFD87" box="[121,789,565,590]" pageId="3" pageNumber="4" type="nomenclature">
<paragraph id="99013692FFD2FFCE5943FE4AFC8EFD87" blockId="3.[121,789,565,590]" box="[121,789,565,590]" pageId="3" pageNumber="4">
<heading id="C24981FEFFD2FFCE5943FE4AFC8EFD87" box="[121,789,565,590]" fontSize="36" level="2" pageId="3" pageNumber="4" reason="2">
<emphasis id="ABCAEA80FFD2FFCE5943FE4AFF15FD87" bold="true" box="[121,142,565,590]" pageId="3" pageNumber="4">2.</emphasis>
<taxonomicName id="5EBE4D11FFD2FFCE59AFFE4AFD2FFD87" authority="T.W.Henkel &amp; Ryvarden" authorityName="T. W. Henkel &amp; Ryvarden" authorityYear="2021" box="[149,692,565,590]" class="Agaricomycetes" family="Hericiaceae" genus="Laxitextum" kingdom="Fungi" order="Russulales" pageId="3" pageNumber="4" phylum="Basidiomycota" rank="species" species="globisporum" status="sp. nov.">
<emphasis id="ABCAEA80FFD2FFCE59AFFE4AFE32FD87" bold="true" box="[149,425,565,590]" pageId="3" pageNumber="4">Laxitextum globisporum</emphasis>
T.W.Henkel &amp; Ryvarden
</taxonomicName>
,
<emphasis id="ABCAEA80FFD2FFCE5B84FE4AFC8EFD87" bold="true" box="[702,789,565,590]" pageId="3" pageNumber="4">
<taxonomicNameLabel id="B0F957FBFFD2FFCE5B84FE4AFC8EFD87" box="[702,789,565,590]" pageId="3" pageNumber="4" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="D1A46519FFD2FFCE59ADFE25FE4CFA7B" pageId="3" pageNumber="4" type="description">
<paragraph id="99013692FFD2FFCE59ADFE25FC37FD2A" blockId="3.[151,1139,602,739]" pageId="3" pageNumber="4">
Differs from all other
<taxonomicName id="5EBE4D11FFD2FFCE58B3FE25FDFAFDBA" box="[393,609,602,627]" pageId="3" pageNumber="4">
<emphasis id="ABCAEA80FFD2FFCE58B3FE25FD98FDBA" box="[393,515,602,627]" italics="true" pageId="3" pageNumber="4">Laxitextum</emphasis>
species
</taxonomicName>
in its combination of ochraceous pileus and small, globose basidiospores.
<materialsCitation id="29D63CCFFFD2FFCE5B3FFEFFFE55FD2A" collectingDate="2018-08-26" collectionCode="YA" collectorName="T. Henkel" country="Cameroon" location="Dja Biosphere Reserve" pageId="3" pageNumber="4" specimenCount="1" typeStatus="holotype">
Type:
<collectingCountry id="E1A97602FFD2FFCE5B72FEFFFD24FD50" box="[584,703,640,665]" name="Cameroon" pageId="3" pageNumber="4">Cameroon</collectingCountry>
, Region 3 East,
<location id="9C616049FFD2FFCE5A4AFEFFFBF4FD50" LSID="urn:lsid:plazi:treatment:11178784FFD2FFCE5943FE4AFE4CFA7B:9C616049FFD2FFCE5A4AFEFFFBF4FD50" box="[880,1135,640,665]" country="Cameroon" name="Dja Biosphere Reserve" pageId="3" pageNumber="4">Dja Biosphere Reserve</location>
,
<quantity id="5E469B77FFD2FFCE59A2FEDAFF4BFD77" box="[152,208,677,702]" metricMagnitude="3" metricUnit="m" metricValue="3.0" pageId="3" pageNumber="4" unit="km" value="3.0">
<locationDeviation id="88B32FB0FFD2FFCE59A2FEDAFF4BFD77" box="[152,208,677,702]" metricMagnitude="3" metricUnit="m" metricValue="3.0" pageId="3" pageNumber="4" unit="km" value="3.0">3 km</locationDeviation>
</quantity>
S of
<location id="9C616049FFD2FFCE5831FEDAFE4DFD77" LSID="urn:lsid:plazi:treatment:11178784FFD2FFCE5943FE4AFE4CFA7B:9C616049FFD2FFCE5831FEDAFE4DFD77" box="[267,470,677,702]" country="Cameroon" name="Somaloma village" pageId="3" pageNumber="4">Somaloma village</location>
,
<date id="ED001052FFD2FFCE58DAFEDAFDFFFD77" box="[480,612,677,702]" pageId="3" pageNumber="4" value="2018-08-26">
<collectingDate id="FD44E9BAFFD2FFCE58DAFEDAFDFFFD77" box="[480,612,677,702]" pageId="3" pageNumber="4" value="2018-08-26">26 viii 2018</collectingDate>
</date>
, on stump of unknown hardwood tree, leg.
<emphasis id="ABCAEA80FFD2FFCE5D73FEDAFF78FD2A" italics="true" pageId="3" pageNumber="4">
<collectorName id="344B5344FFD2FFCE5D73FEDAFF78FD2A" pageId="3" pageNumber="4">T. Henkel</collectorName>
</emphasis>
10753 (
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<collectionCode id="FFAFAE57FFD2FFCE5893FEB5FE51FD2A" box="[425,458,714,739]" pageId="3" pageNumber="4">YA</collectionCode>
;
</materialsCitation>
<materialsCitation id="29D63CCFFFD2FFCE58E9FEB5FC37FD2A" box="[467,940,714,739]" collectingDate="2018-08-26" collectionCode="HSC, O" location="Somaloma village" pageId="3" pageNumber="4" specimenCount="1" typeStatus="isotype">
<typeStatus id="46058830FFD2FFCE58E9FEB5FDBEFD2A" box="[467,549,714,739]" pageId="3" pageNumber="4" type="isotype">isotype</typeStatus>
<collectionCode id="FFAFAE57FFD2FFCE5B16FEB5FDFBFD2A" box="[556,608,714,739]" collectionName="HSC" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:14843" lsid="urn:lsid:biocol.org:col:14843" name="Humboldt State University Herbarium" pageId="3" pageNumber="4" type="Herbarium">HSC</collectionCode>
,
<collectionCode id="FFAFAE57FFD2FFCE5B53FEB5FD1BFD2A" box="[617,640,714,739]" pageId="3" pageNumber="4">O</collectionCode>
). Index Fungorum 556984.
</materialsCitation>
</paragraph>
<paragraph id="99013692FFD2FFCE5A89FEB5FBA6FD2A" blockId="3.[151,1139,602,739]" box="[947,1085,714,739]" pageId="3" pageNumber="4">
<emphasis id="ABCAEA80FFD2FFCE5A89FEB5FBADFD2A" bold="true" box="[947,1078,714,739]" pageId="3" pageNumber="4">
<figureCitation id="01852A17FFD2FFCE5A89FEB5FB80FD2A" box="[947,1051,714,739]" captionStart="Figure 2" captionStartId="4.[121,185,1618,1640]" captionTargetBox="[214,1073,265,1599]" captionTargetId="figure-9@4.[205,1080,265,1602]" captionTargetPageId="4" captionText="Figure 2. Microscopic features of Laxitextum globisporum T.W.Henkel &amp; Ryvarden, sp. nov. A, Basidia and gloeocystidia; B, mature gloeocystidium; C, basidiospores. Drawn from the holotype, Henkel 10753, by L. Ryvarden." figureDoi="http://doi.org/10.5281/zenodo.10591080" httpUri="https://zenodo.org/record/10591080/files/figure.png" pageId="3" pageNumber="4">Figures 2</figureCitation>
,
<figureCitation id="01852A17FFD2FFCE5D12FEB5FBADFD2A" box="[1064,1078,714,739]" captionStart="Figure 3" captionStartId="5.[121,185,1152,1174]" captionTargetBox="[121,1164,265,1135]" captionTargetId="figure-8@5.[121,1164,265,1135]" captionTargetPageId="5" captionText="Figure 3. Laxitextum globisporum T.W.Henkel &amp; Ryvarden, sp. nov. Photograph of the holotype, Henkel 10753. Scale bar, 10 mm. Photograph by T. W. Henkel." figureDoi="http://doi.org/10.5281/zenodo.10591082" httpUri="https://zenodo.org/record/10591082/files/figure.png" pageId="3" pageNumber="4">3</figureCitation>
</emphasis>
<emphasis id="ABCAEA80FFD2FFCE5D0CFEB5FBA6FD2A" bold="true" box="[1078,1085,714,739]" pageId="3" pageNumber="4">.</emphasis>
</paragraph>
<paragraph id="99013692FFD2FFCE5943FE80FE22FC64" blockId="3.[121,1120,767,941]" pageId="3" pageNumber="4">
<emphasis id="ABCAEA80FFD2FFCE5943FE80FE9FFCD1" box="[121,260,767,792]" italics="true" pageId="3" pageNumber="4">Basidiomata</emphasis>
flabelliform, semicircular, 20
<emphasis id="ABCAEA80FFD2FFCE5B75FE80FDC6FCDE" bold="true" box="[591,605,767,791]" pageId="3" pageNumber="4">×</emphasis>
<quantity id="5E469B77FFD2FFCE5B5EFE80FD2EFCD1" box="[612,693,767,792]" metricMagnitude="-2" metricUnit="m" metricValue="3.0" pageId="3" pageNumber="4" unit="mm" value="30.0">30 mm</quantity>
, about
<quantity id="5E469B77FFD2FFCE5A3DFE80FCC6FCD1" box="[775,861,767,792]" metricMagnitude="-4" metricUnit="m" metricValue="5.0" pageId="3" pageNumber="4" unit="mm" value="0.5">0.5 mm</quantity>
thick, flexible;
<emphasis id="ABCAEA80FFD2FFCE5D39FE80FBDEFCD1" box="[1027,1093,767,792]" italics="true" pageId="3" pageNumber="4">pileus</emphasis>
ochraceous, subzonate, smooth when fresh, when dry slightly radially wrinkled, bent, and curled;
<emphasis id="ABCAEA80FFD2FFCE59F1FF35FE13FCAA" box="[203,392,842,867]" italics="true" pageId="3" pageNumber="4">hymenial surface</emphasis>
smooth, pale wood-coloured;
<emphasis id="ABCAEA80FFD2FFCE5BE7FF35FCCBFCAA" box="[733,848,842,867]" italics="true" pageId="3" pageNumber="4">hymenium</emphasis>
in section dense, about 30 μm deep;
<emphasis id="ABCAEA80FFD2FFCE5831FF10FE3CFC41" box="[267,423,879,904]" italics="true" pageId="3" pageNumber="4">subhymenium</emphasis>
distinct, pale ochraceous, 5080 μm thick;
<emphasis id="ABCAEA80FFD2FFCE5AA8FF10FC48FC41" box="[914,979,879,904]" italics="true" pageId="3" pageNumber="4">trama</emphasis>
rather loose and cottony, c.400 μm thick.
</paragraph>
<paragraph id="99013692FFD2FFCE5943FFB6FE7CFBE5" blockId="3.[121,1095,969,1068]" pageId="3" pageNumber="4">
<emphasis id="ABCAEA80FFD2FFCE5943FFB6FE87FC2B" box="[121,284,969,994]" italics="true" pageId="3" pageNumber="4">Hyphal system</emphasis>
monomitic;
<emphasis id="ABCAEA80FFD2FFCE5893FFB6FE62FC2B" box="[425,505,969,994]" italics="true" pageId="3" pageNumber="4">hyphae</emphasis>
with clamps;
<emphasis id="ABCAEA80FFD2FFCE5BAFFFB6FCA8FC2B" box="[661,819,969,994]" italics="true" pageId="3" pageNumber="4">tramal hyphae</emphasis>
loosely interwoven, pale yellow, 35 μm wide;
<emphasis id="ABCAEA80FFD2FFCE5851FF91FDB4FBCE" box="[363,559,1006,1031]" italics="true" pageId="3" pageNumber="4">oleiferous hyphae</emphasis>
abundant in subhymenium and trama, yellow, distinctly amyloid, 46 μm wide.
</paragraph>
<paragraph id="99013692FFD2FFCE5943F837FC74FBA8" blockId="3.[121,1007,1096,1121]" box="[121,1007,1096,1121]" pageId="3" pageNumber="4">
<emphasis id="ABCAEA80FFD2FFCE5943F837FE94FBA8" box="[121,271,1096,1121]" italics="true" pageId="3" pageNumber="4">Gloeocystidia</emphasis>
present, 60120
<emphasis id="ABCAEA80FFD2FFCE58EFF837FE78FBA9" bold="true" box="[469,483,1096,1120]" pageId="3" pageNumber="4">×</emphasis>
48 μm, yellow, acuminate, distinctly amyloid.
</paragraph>
<paragraph id="99013692FFD2FFCE5943F803FC88FB5C" blockId="3.[121,787,1148,1173]" box="[121,787,1148,1173]" pageId="3" pageNumber="4">
<emphasis id="ABCAEA80FFD2FFCE5943F803FF51FB5C" box="[121,202,1148,1173]" italics="true" pageId="3" pageNumber="4">Basidia</emphasis>
1825
<emphasis id="ABCAEA80FFD2FFCE5818F803FEABFB5D" bold="true" box="[290,304,1148,1172]" pageId="3" pageNumber="4">×</emphasis>
46 μm, narrowly clavate, tetrasterigmate.
</paragraph>
<paragraph id="99013692FFD2FFCE5943F8CEFEC1FB26" blockId="3.[121,1046,1201,1263]" pageId="3" pageNumber="4">
<emphasis id="ABCAEA80FFD2FFCE5943F8CEFE8DFB03" box="[121,278,1201,1226]" italics="true" pageId="3" pageNumber="4">Basidiospores</emphasis>
globose, 33.5 μm in diameter, a few subglobose, thin-walled, finely echinulate, amyloid.
</paragraph>
<paragraph id="99013692FFD2FFCE5943F974FD2FFAED" blockId="3.[121,692,1291,1316]" box="[121,692,1291,1316]" pageId="3" pageNumber="4">
<emphasis id="ABCAEA80FFD2FFCE5943F974FF62FAED" box="[121,249,1291,1316]" italics="true" pageId="3" pageNumber="4">Substratum</emphasis>
. On decayed tropical hardwood stump.
</paragraph>
<paragraph id="99013692FFD2FFCE5943F940FBCBFA91" blockId="3.[121,1104,1343,1368]" box="[121,1104,1343,1368]" pageId="3" pageNumber="4">
<emphasis id="ABCAEA80FFD2FFCE5943F940FF63FA91" box="[121,248,1343,1368]" italics="true" pageId="3" pageNumber="4">Distribution</emphasis>
. Known only from the
<typeStatus id="46058830FFD2FFCE58CDF940FDBCFA91" box="[503,551,1343,1368]" pageId="3" pageNumber="4">type</typeStatus>
locality in the Dja Biosphere Reserve,
<collectingCountry id="E1A97602FFD2FFCE5AE9F940FBD7FA91" box="[979,1100,1343,1368]" name="Cameroon" pageId="3" pageNumber="4">Cameroon</collectingCountry>
.
</paragraph>
<paragraph id="99013692FFD2FFCE5943F90CFE4CFA7B" blockId="3.[121,1148,1395,1458]" pageId="3" pageNumber="4">
The ochraceous pileus and the small, globose basidiospores make
<taxonomicName id="5EBE4D11FFD2FFCE5A55F90CFBE7FA45" authorityName="T. W. Henkel &amp; Ryvarden" authorityYear="2021" box="[879,1148,1395,1420]" class="Agaricomycetes" family="Hericiaceae" genus="Laxitextum" kingdom="Fungi" order="Russulales" pageId="3" pageNumber="4" phylum="Basidiomycota" rank="species" species="globisporum">
<emphasis id="ABCAEA80FFD2FFCE5A55F90CFBE7FA45" box="[879,1148,1395,1420]" italics="true" pageId="3" pageNumber="4">Laxitextum globisporum</emphasis>
</taxonomicName>
a distinct species in the genus.
</paragraph>
</subSubSection>
</treatment>
</document>