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<document id="E658F3EC732EABA69B70DB065529C754" ID-DOI="10.11646/phytotaxa.668.3.2" ID-ISSN="1179-3163" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1734549229041" checkinUser="felipe" docAuthor="Pu, Jin-Bao, Cao, Shu-Qin, Wang, Ran, Chen, Xia, Pang, Chun-Mei &amp; Wang, Xiang-Hua" docDate="2024" docId="D4642731FFE0FF95FF48FF55FBA5B8CC" docLanguage="en" docName="phytotaxa.668.3.226-238.pdf" docOrigin="Phytotaxa 668 (3)" docSource="https://doi.org/10.11646/phytotaxa.668.3.2" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="13" docTitle="Lactarius parvihatsudake X. H. Wang, J. B. Pu &amp; Xia Chen 2024, sp. nov." docType="treatment" docVersion="1" lastPageNumber="233" masterDocId="285D5F49FFE7FF9DFFC0FFCBFFC0B810" masterDocTitle="New species diversity and host association of Lactarius sect. Deliciosi: describing L. gibbosus and L. parvihatsudake (Russulaceae, Russulales) in southern China" masterLastPageNumber="238" masterPageNumber="226" pageNumber="233" updateTime="1734554624132" updateUser="GgImagineBatch" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="557673432416A21AEE8A5F27AA9C35A1">New species diversity and host association of Lactarius sect. Deliciosi: describing L. gibbosus and L. parvihatsudake (Russulaceae, Russulales) in southern China</mods:title>
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<mods:namePart id="787B660F74D0BA3AB5CF2DD2DA78DD91">Pu, Jin-Bao</mods:namePart>
<mods:nameIdentifier id="6FF9DF2668B9105377A8D7E34E8EFD5E" type="ORCID">0000-0003-4911-1169</mods:nameIdentifier>
<mods:affiliation id="2B1BE6FD8527F64F70CFCD3025AEAE01">Center for Medicinal Resources Research, Zhejiang Academy of Traditional Chinese Medicine, Tianmushan Road 132, Hangzhou 310007, P. R. China</mods:affiliation>
<mods:nameIdentifier id="E708E03E1A4D9316E9461F051ADE4CF4" type="email">pjb0225@163.com</mods:nameIdentifier>
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<mods:namePart id="FBA6125E7674C7346968BB7F465A9890">Cao, Shu-Qin</mods:namePart>
<mods:nameIdentifier id="8B37E4F3432C6918F903A4A445D3DD60" type="ORCID">0009-0000-1163-2597</mods:nameIdentifier>
<mods:affiliation id="05C19C6A8C545177226AB09B9D1C4D01">CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Lanhei Road 132, Kunming 650201, P. R. China</mods:affiliation>
<mods:nameIdentifier id="A985027BD6E028E616B85FE404E73A32" type="email">caoshuqin@mail.kib.ac.cn</mods:nameIdentifier>
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<mods:namePart id="AA340EB8A6999C7D39511A7A021EEC0B">Wang, Ran</mods:namePart>
<mods:nameIdentifier id="19F557258A4458112240941B30F7D381" type="ORCID">0000-0002-9490-5657</mods:nameIdentifier>
<mods:affiliation id="C88208E4C7A0785DB96FE499519BC8B6">College of Biological and Agricultural Sciences, Honghe University, Mengzi 661199, P. R. China</mods:affiliation>
<mods:nameIdentifier id="E04F126A3170E38233442A8A6268F972" type="email">wendy20good@163.com</mods:nameIdentifier>
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<mods:namePart id="4AEA10D3E305720515C9DB08C066D4E3">Chen, Xia</mods:namePart>
<mods:nameIdentifier id="672D8F986FD5025EE4FD0BD15CED729B" type="ORCID">0009-0002-1239-1865</mods:nameIdentifier>
<mods:affiliation id="6B70CF723FF429A1785493912897E8A7">The Administration Bureau of Dr. Sun Yat-sen’s Mausoleum, Nanjing 210014, P. R. China</mods:affiliation>
<mods:nameIdentifier id="7BAC0E5BD4F653B6F80B897D6163ED85" type="email">13813839189@163.com</mods:nameIdentifier>
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<mods:namePart id="7248C53A7A6ECDD375E2F9DE931468AA">Pang, Chun-Mei</mods:namePart>
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<mods:affiliation id="3A1B18F97CA48468802D28BCC5AE3AF4">Zhejiang Tianmu Mountain National Nature Reserve Administration, Lin’an 311311, P. R. China</mods:affiliation>
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<mods:namePart id="DE36F78C68B617505F5637E363329220">Wang, Xiang-Hua</mods:namePart>
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<mods:affiliation id="7E0CDABAAA4B3EF3E49574509E430443">CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Lanhei Road 132, Kunming 650201, P. R. China</mods:affiliation>
<mods:nameIdentifier id="DBDFAC042A093673CCEFAC33B286A5A4" type="email">xhwang@mail.kib.ac.cn</mods:nameIdentifier>
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<mods:title id="174BD46D04AEA69EDC58E2E234341A4E">Phytotaxa</mods:title>
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<mods:date id="42A6469203C5B971DBB3BDF9AD322BC2">2024</mods:date>
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<mods:number id="67308241CC1D14D7DC13907512492DFD">668</mods:number>
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<mods:identifier id="4EEBCD476547D9607F7D7E1ECAC49C3D" type="ISSN">1179-3163</mods:identifier>
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<treatment id="D4642731FFE0FF95FF48FF55FBA5B8CC" LSID="urn:lsid:plazi:treatment:D4642731FFE0FF95FF48FF55FBA5B8CC" httpUri="http://treatment.plazi.org/id/D4642731FFE0FF95FF48FF55FBA5B8CC" lastPageId="8" lastPageNumber="233" pageId="7" pageNumber="233">
<subSubSection id="14D7C5ACFFE0FF9AFF48FF55FE02B8CC" pageId="7" pageNumber="233" type="nomenclature">
<paragraph id="5C729627FFE0FF9AFF48FF55FC2DB8A8" blockId="7.[136,1452,158,472]" box="[136,1005,158,185]" pageId="7" pageNumber="233">
<heading id="073A214BFFE0FF9AFF48FF55FC2DB8A8" bold="true" box="[136,1005,158,185]" fontSize="11" level="1" pageId="7" pageNumber="233" reason="1">
<emphasis id="6EB94A35FFE0FF9AFF48FF55FC2DB8A8" bold="true" box="[136,1005,158,185]" pageId="7" pageNumber="233">
<taxonomicName id="9BCDEDA4FFE0FF9AFF48FF55FCF6B8A8" authority="X.H. Wang, J.B. Pu &amp; Xia Chen" authorityName="X. H. Wang, J. B. Pu &amp; Xia Chen" authorityYear="2024" box="[136,822,158,185]" class="Agaricomycetes" family="Russulaceae" genus="Lactarius" kingdom="Fungi" order="Russulales" pageId="7" pageNumber="233" phylum="Basidiomycota" rank="species" species="parvihatsudake" status="sp. nov.">
<emphasis id="6EB94A35FFE0FF9AFF48FF55FE6FB8A9" bold="true" box="[136,431,158,185]" italics="true" pageId="7" pageNumber="233">Lactarius parvihatsudake</emphasis>
X.H. Wang, J.B. Pu &amp; Xia Chen
</taxonomicName>
,
<taxonomicNameLabel id="758AF74EFFE0FF9AFC83FF55FC5EB8A8" box="[835,926,158,184]" pageId="7" pageNumber="233" rank="species">sp. nov.</taxonomicNameLabel>
,
<figureCitation id="C4F68AA2FFE0FF9AFC6AFF55FC2DB8A8" box="[938,1005,158,184]" captionStart="FIGURE 4" captionStartId="8.[136,234,1993,2015]" captionTargetBox="[189,1399,230,1969]" captionTargetId="figure-49@8.[189,1399,230,1969]" captionTargetPageId="8" captionText="FIGURE 4. Lactarius parvihatsudake. A–C: basidiocarps, D: basidiospores, E: pleuromacrocystidia, F: pseudocystidia, G: lamella edge, H: pileipellis. (scale bars: A-C: 1 cm, D: 5 µm, E and F: 20 µm, G and H: 25 µm).A, D–F and H from holotype (KUN-HKAS 135138), B and G from KUN-HKAS 135133, C from KUN-HKAS 135136." pageId="7" pageNumber="233">Fig. 4</figureCitation>
</emphasis>
</heading>
</paragraph>
<paragraph id="5C729627FFE0FF9AFF48FF0DFE02B8CC" blockId="7.[136,1452,158,472]" box="[136,450,198,220]" pageId="7" pageNumber="233">MycoBank number: MB 854362</paragraph>
</subSubSection>
<subSubSection id="14D7C5ACFFE0FF95FF48FF21FBA5B8CC" lastPageId="8" lastPageNumber="234" pageId="7" pageNumber="233" type="etymology">
<paragraph id="5C729627FFE0FF9AFF48FF21FC20B910" blockId="7.[136,1452,158,472]" box="[136,992,234,256]" pageId="7" pageNumber="233">
Etymology:—referring to the resemblance to
<taxonomicName id="9BCDEDA4FFE0FF9AFDFEFF21FD78B8EF" authorityName="Tanaka" authorityYear="1890" box="[574,696,234,255]" class="Agaricomycetes" family="Russulaceae" genus="Lactarius" kingdom="Fungi" order="Russulales" pageId="7" pageNumber="233" phylum="Basidiomycota" rank="species" species="hatsudake">
<emphasis id="6EB94A35FFE0FF9AFDFEFF21FD78B8EF" box="[574,696,234,255]" italics="true" pageId="7" pageNumber="233">L. hatsudake</emphasis>
</taxonomicName>
but with smaller basidiocarps.
</paragraph>
<paragraph id="5C729627FFE0FF9AFF48FEC5FAACB99F" blockId="7.[136,1452,158,472]" pageId="7" pageNumber="233">
<typeStatus id="83762885FFE0FF9AFF48FEC5FF1FB934" box="[136,223,270,292]" pageId="7" pageNumber="233" type="holotype">Holotype</typeStatus>
:—
<collectingCountry id="24DAD6B7FFE0FF9AFF3AFEC5FE85B934" box="[250,325,270,292]" name="China" pageId="7" pageNumber="233">CHINA</collectingCountry>
:
<collectingRegion id="9E0958C5FFE0FF9AFE95FEC5FE2DB933" box="[341,493,270,292]" country="China" name="Zhejiang" pageId="7" pageNumber="233">Zhejiang Prov.</collectingRegion>
, Hangzhou, Lin’an District, Tianmu Mt. National Nature Reserve, Laodian,
<geoCoordinate id="39F9F0E0FFE0FF9AFAD2FEC6FA60B934" box="[1298,1440,269,292]" degrees="30" direction="north" minutes="20" orientation="latitude" pageId="7" pageNumber="233" precision="1" seconds="30.04" value="30.341679">N30º20′30.04′′</geoCoordinate>
<geoCoordinate id="39F9F0E0FFE0FF9AFF7DFEFAFE97B958" box="[189,343,305,328]" degrees="119" direction="east" minutes="25" orientation="longitude" pageId="7" pageNumber="233" precision="1" seconds="59.42" value="119.43317">E119º25′59.42′′</geoCoordinate>
, elev.
<quantity id="9B353BC2FFE0FF9AFE4FFEF9FE18B957" box="[399,472,306,328]" metricMagnitude="3" metricUnit="m" metricValue="1.105" pageId="7" pageNumber="233" unit="m" value="1105.0">1105 m</quantity>
, in mixed forest with trees of
<taxonomicName id="9BCDEDA4FFE0FF9AFD2AFEF9FA6CB957" authority=", Chamaecyparis" authorityName="Chamaecyparis" box="[746,1452,306,327]" class="Pinopsida" family="Pinaceae" genus="Pseudolarix" kingdom="Plantae" order="Pinales" pageId="7" pageNumber="233" phylum="Tracheophyta" rank="variety" species="amabilis" subSpecies="japonica" variety="sinensis">
<emphasis id="6EB94A35FFE0FF9AFD2AFEF9FB53B957" box="[746,1171,306,327]" italics="true" pageId="7" pageNumber="233">Pseudolarix amabilis, Cryptomeria japonica</emphasis>
var.
<emphasis id="6EB94A35FFE0FF9AFB7EFEF9FA6CB957" box="[1214,1452,306,327]" italics="true" pageId="7" pageNumber="233">sinensis, Chamaecyparis</emphasis>
</taxonomicName>
<emphasis id="6EB94A35FFE0FF9AFF7DFE9DFDCFB97B" box="[189,527,342,363]" italics="true" pageId="7" pageNumber="233">
pisifera,
<taxonomicName id="9BCDEDA4FFE0FF9AFED4FE9DFDCFB97B" box="[276,527,342,363]" class="Pinopsida" family="Pinaceae" genus="Cunninghamia" kingdom="Plantae" order="Pinales" pageId="7" pageNumber="233" phylum="Tracheophyta" rank="species" species="lanceolata">Cunninghamia lanceolata</taxonomicName>
</emphasis>
and
<taxonomicName id="9BCDEDA4FFE0FF9AFD80FE9DFCE7B97B" box="[576,807,342,363]" class="Liliopsida" family="Poaceae" genus="Indocalamus" kingdom="Plantae" order="Poales" pageId="7" pageNumber="233" phylum="Tracheophyta" rank="species" species="tessellatus">
<emphasis id="6EB94A35FFE0FF9AFD80FE9DFCE7B97B" box="[576,807,342,363]" italics="true" pageId="7" pageNumber="233">Indocalamus tessellatus</emphasis>
</taxonomicName>
,
<date id="2873B0E7FFE0FF9AFCF5FE9DFC7EB97B" box="[821,958,342,363]" pageId="7" pageNumber="233" value="2021-09-17">17 Sept. 2021</date>
, coll. J.B. Pu, no. FC330112210295 (KUN-HKAS 135138! GenBank: ITS PP887460;
<emphasis id="6EB94A35FFE0FF9AFDD4FEB1FDF8B99F" box="[532,568,378,399]" italics="true" pageId="7" pageNumber="233">gpd</emphasis>
PP898314; nuc-LSU PQ273276;
<emphasis id="6EB94A35FFE0FF9AFCBFFEB1FC6CB99F" box="[895,940,378,399]" italics="true" pageId="7" pageNumber="233">rpb1</emphasis>
PQ274844;
<emphasis id="6EB94A35FFE0FF9AFBE5FEB1FB93B99F" box="[1061,1107,378,399]" italics="true" pageId="7" pageNumber="233">rpb2</emphasis>
PQ274832;
<emphasis id="6EB94A35FFE0FF9AFB0CFEB1FB30B99F" box="[1228,1264,378,399]" italics="true" pageId="7" pageNumber="233">tef1</emphasis>
PQ274838).
</paragraph>
<paragraph id="5C729627FFE0FF9AFF48FE55FCE8B9C8" blockId="7.[136,1452,158,472]" pageId="7" pageNumber="233">
Diagnosis:—Differing from
<taxonomicName id="9BCDEDA4FFE0FF9AFE5EFE55FDDAB9A3" authorityName="Tanaka" authorityYear="1890" box="[414,538,414,435]" class="Agaricomycetes" family="Russulaceae" genus="Lactarius" kingdom="Fungi" order="Russulales" pageId="7" pageNumber="233" phylum="Basidiomycota" rank="species" species="hatsudake">
<emphasis id="6EB94A35FFE0FF9AFE5EFE55FDDAB9A3" box="[414,538,414,435]" italics="true" pageId="7" pageNumber="233">L. hatsudake</emphasis>
</taxonomicName>
in the smaller and thin-fleshed basidiocarps, distant lamellae and azonate pileus. It grows in
<taxonomicName id="9BCDEDA4FFE0FF9AFF7DFE09FE4AB9C7" box="[189,394,450,471]" class="Pinopsida" family="Pinaceae" genus="Pseudolarix" kingdom="Plantae" order="Pinales" pageId="7" pageNumber="233" phylum="Tracheophyta" rank="species" species="amabilis">
<emphasis id="6EB94A35FFE0FF9AFF7DFE09FE4AB9C7" box="[189,394,450,471]" italics="true" pageId="7" pageNumber="233">Pseudolarix amabilis</emphasis>
</taxonomicName>
forest whereas
<taxonomicName id="9BCDEDA4FFE0FF9AFDE1FE09FD5CB9C7" authorityName="Tanaka" authorityYear="1890" box="[545,668,450,471]" class="Agaricomycetes" family="Russulaceae" genus="Lactarius" kingdom="Fungi" order="Russulales" pageId="7" pageNumber="233" phylum="Basidiomycota" rank="species" species="hatsudake">
<emphasis id="6EB94A35FFE0FF9AFDE1FE09FD5CB9C7" box="[545,668,450,471]" italics="true" pageId="7" pageNumber="233">L. hatsudake</emphasis>
</taxonomicName>
in pine forest.
</paragraph>
<paragraph id="5C729627FFE0FF9AFF48FDCDFA85BB0C" blockId="7.[136,1452,518,2093]" pageId="7" pageNumber="233">
Basidiocarps small to medium-sized, fleshy. Pileus
<quantity id="9B353BC2FFE0FF9AFD10FDCDFC8ABA31" box="[720,842,518,545]" metricMagnitude="-2" metricUnit="m" metricValue="3.5" metricValueMax="5.0" metricValueMin="2.0" pageId="7" pageNumber="233" unit="mm" value="35.0" valueMax="50.0" valueMin="20.0">20–50 mm</quantity>
in diam., involute when young, soon plano-applanate with depressed center, infundibuliform when fully mature; surface smooth, greasy, strongly hygrophanous, azonate, red to grayish red when wet, fading to pale ochraceus with greenish tinge at dry places, centre often dry and fading, grayish or dull red at the margin, margin or even the whole pileus often transparently radially striate; context
<quantity id="9B353BC2FFE0FF9AFAC7FDB9FAA5BA9D" box="[1287,1381,626,653]" metricMagnitude="-3" metricUnit="m" metricValue="1.5" metricValueMax="2.0" metricValueMin="1.0" pageId="7" pageNumber="233" unit="mm" value="1.5" valueMax="2.0" valueMin="1.0">1–2 mm</quantity>
thick, pale grayish red, unchanging. Lamellae
<quantity id="9B353BC2FFE0FF9AFD84FD5DFD60BAA1" box="[580,672,662,689]" metricMagnitude="-3" metricUnit="m" metricValue="3.0" metricValueMax="4.0" metricValueMin="2.0" pageId="7" pageNumber="233" unit="mm" value="3.0" valueMax="4.0" valueMin="2.0">2–4 mm</quantity>
broad, distant to subdistant, short decurrent, grayish red, with more or less purplish tinge when fully mature, duller when bruised, not changing to green or blue. Stipe 20–40
<emphasis id="6EB94A35FFE0FF9AFAC7FD70FADABAC4" box="[1287,1306,699,724]" italics="true" pageId="7" pageNumber="233">×</emphasis>
3–5 (7) mm, central, cylindrical, equal or slightly tapering upwards, hollow; surface concolorous with or duller than lamellae, some changing to yellowish brown when old. Latex scanty, dull vinaceous red, unchanging. Spore print unknown.
</paragraph>
<paragraph id="5C729627FFE0FF9AFF7DFCEDFDD9BD4C" blockId="7.[136,1452,518,2093]" pageId="7" pageNumber="233">
Basidiospores (120/6/5) (7.5) 8.0–
<emphasis id="6EB94A35FFE0FF9AFD80FCEDFDA3BB50" bold="true" box="[576,611,806,832]" italics="true" pageId="7" pageNumber="233">8.7</emphasis>
–9.5 (10.0)
<emphasis id="6EB94A35FFE0FF9AFD27FCECFD3ABB50" box="[743,762,807,832]" italics="true" pageId="7" pageNumber="233">×</emphasis>
6.5–
<emphasis id="6EB94A35FFE0FF9AFCF2FCEDFC95BB50" bold="true" box="[818,853,806,832]" italics="true" pageId="7" pageNumber="233">7.3</emphasis>
–8.0 (8.5) μm [
<typeStatus id="83762885FFE0FF9AFC3EFCEDFBA7BB50" box="[1022,1127,806,832]" pageId="7" pageNumber="233" type="holotype">holotype</typeStatus>
: (40/2/1) 7.5–
<emphasis id="6EB94A35FFE0FF9AFAC5FCEDFAE8BB50" bold="true" box="[1285,1320,806,832]" italics="true" pageId="7" pageNumber="233">8.6</emphasis>
–9.5
<emphasis id="6EB94A35FFE0FF9AFAA0FCECFAB3BB50" box="[1376,1395,807,832]" italics="true" pageId="7" pageNumber="233">×</emphasis>
6.5–
<emphasis id="6EB94A35FFE0FF9AFF48FC81FF6BBB74" bold="true" box="[136,171,842,868]" italics="true" pageId="7" pageNumber="233">7.3</emphasis>
–8.0 (8.5) μm], broadly ellipsoid to ellipsoid [Q = (1.09) 1.11–1.29 (1.31), Q =
<emphasis id="6EB94A35FFE0FF9AFBE9FC81FB9ABB74" bold="true" box="[1065,1114,842,868]" pageId="7" pageNumber="233">1.19</emphasis>
± 0.05] [
<typeStatus id="83762885FFE0FF9AFB01FC81FAEABB74" box="[1217,1322,842,868]" pageId="7" pageNumber="233" type="holotype">holotype</typeStatus>
: Q = (1.12) 1.13–1.27 (1.29), Q =
<emphasis id="6EB94A35FFE0FF9AFE43FCA5FE74BB98" bold="true" box="[387,436,878,904]" pageId="7" pageNumber="233">1.19</emphasis>
± 0.05]; ornamentation 0.5–1.5 (1.8) μm high, composed of medium acute ridges partially connected, not forming a reticulum, closed meshes rare, sometimes with transparent dots, free ridges and isolated warts present but uncommon; plage not amyloid. Basidia 45–70
<emphasis id="6EB94A35FFE0FF9AFCDFFC7CFCF2BBC0" box="[799,818,951,976]" italics="true" pageId="7" pageNumber="233">×</emphasis>
10–15 µm, clavate, 4-spored. Pleuromacrocystidia very rare, absent in some individuals, 25–50
<emphasis id="6EB94A35FFE0FF9AFD8EFC10FDA1BBE4" box="[590,609,987,1012]" italics="true" pageId="7" pageNumber="233">×</emphasis>
5–7 μm, embedded in hymenium, not projecting beyond the basidia, base originating from hymenium or even higher than the basal septa of basidia, subfusiform to clavate with a tapering apex, with colorless, pale yellowish brown or golden-brown contents. Hymenial pseudocystidia common to abundant, 2–5 μm broad, with pale golden-brown to golden-brown contents, filiform, tortuous, sometimes forking at apex. Lamella edge sterile; cheilomacrocystidia rare, absent in some individuals, similar to pleuromacrocystidia in shape but smaller; marginal cells 10–20 (30)
<emphasis id="6EB94A35FFE0FF9AFE69FB44FE7CBCB8" box="[425,444,1167,1192]" italics="true" pageId="7" pageNumber="233">×</emphasis>
4–6 (8) μm, cylindrical, clavate, some bending, hyaline. Pileipellis an ixocutis to ixolattice, 100–200 μm thick, sometimes covered with a hyphae-free gluten layer (up to 30 μm), of loosely interwoven hyphae; hyphae 2–7 μm broad, nearly colorless, some shrivelled, slightly to strongly gelatinized, terminal hyphae 20–50
<emphasis id="6EB94A35FFE0FF9AFAA8FB1CFABBBCE0" box="[1384,1403,1239,1264]" italics="true" pageId="7" pageNumber="233">×</emphasis>
3–4 μm. Lactiferous hyphae abundant, 3–9 μm broad, golden brown. Stipitipellis an ixocutis, 30–50 μm thick, of hyphae compactly interwoven; hyphae 2–5 μm broad, colorless, not gelatinized. Trama of pileus and stipe with abundant rosettes. Clamp connections absent.
</paragraph>
<paragraph id="5C729627FFE0FF9AFF7DFAADFAE1BF20" blockId="7.[136,1452,518,2093]" pageId="7" pageNumber="233">
Additional specimens examined:—
<collectingCountry id="24DAD6B7FFE0FF9AFD82FAADFD5EBD90" box="[578,670,1382,1408]" name="China" pageId="7" pageNumber="233">CHINA</collectingCountry>
:
<collectingRegion id="9E0958C5FFE0FF9AFD64FAADFC88BD91" box="[676,840,1382,1409]" country="China" name="Zhejiang" pageId="7" pageNumber="233">Zhejiang Prov.</collectingRegion>
,Hangzhou,Lin’an District,Tianmu Mt.National Nature Reserve, Fuyushanzhuang,
<geoCoordinate id="39F9F0E0FFE0FF9AFE75FA47FD9BBDB7" box="[437,603,1420,1447]" degrees="30" direction="north" minutes="18" orientation="latitude" pageId="7" pageNumber="233" precision="1" seconds="41.57" value="30.311546">N30º18′41.57′′</geoCoordinate>
<geoCoordinate id="39F9F0E0FFE0FF9AFD9EFA47FCD2BDB7" box="[606,786,1420,1447]" degrees="119" direction="east" minutes="26" orientation="longitude" pageId="7" pageNumber="233" precision="1" seconds="39.61" value="119.444336">E119º26′39.61′′</geoCoordinate>
, elev.
<quantity id="9B353BC2FFE0FF9AFC90FA41FC55BDB5" box="[848,917,1418,1445]" metricMagnitude="2" metricUnit="m" metricValue="3.2299999999999995" pageId="7" pageNumber="233" unit="m" value="323.0">323m</quantity>
,
<date id="2873B0E7FFE0FF9AFC5EFA41FBE9BDB4" box="[926,1065,1418,1445]" pageId="7" pageNumber="233" value="2021-06-06">06Jun.2021</date>
, coll.J.B. Pu, no.FC330112210125 (KUN-HKAS 135137; GenBank: ITS PP887459;
<emphasis id="6EB94A35FFE0FF9AFD1FFA65FCC9BDD8" box="[735,777,1454,1480]" italics="true" pageId="7" pageNumber="233">gpd</emphasis>
PP898313; nuc-LSU PQ273277;
<emphasis id="6EB94A35FFE0FF9AFB65FA65FB1ABDD8" box="[1189,1242,1454,1480]" italics="true" pageId="7" pageNumber="233">rpb1</emphasis>
PQ274845;
<emphasis id="6EB94A35FFE0FF9AFAB6FA65FA6BBDD8" box="[1398,1451,1454,1480]" italics="true" pageId="7" pageNumber="233">rpb2</emphasis>
PQ274833;
<emphasis id="6EB94A35FFE0FF9AFED2FA19FEFCBDFC" box="[274,316,1490,1516]" italics="true" pageId="7" pageNumber="233">tef1</emphasis>
PQ274839); Tianmu Mt. National Nature Reserve, Laodian,
<geoCoordinate id="39F9F0E0FFE0FF9AFBC5FA1FFB6CBDFF" box="[1029,1196,1492,1519]" degrees="30" direction="north" minutes="20" orientation="latitude" pageId="7" pageNumber="233" precision="1" seconds="35.36" value="30.343157">N30º20′35.36′′</geoCoordinate>
<geoCoordinate id="39F9F0E0FFE0FF9AFB76FA1FFAA9BDFF" box="[1206,1385,1492,1519]" degrees="119" direction="east" minutes="26" orientation="longitude" pageId="7" pageNumber="233" precision="1" seconds="16.18" value="119.43783">E119º26′16.18′′</geoCoordinate>
, elev.
<quantity id="9B353BC2FFE0FF9AFF48FA3DFF22BE01" box="[136,226,1526,1553]" metricMagnitude="3" metricUnit="m" metricValue="1.156" pageId="7" pageNumber="233" unit="m" value="1156.0">1156 m</quantity>
, in mixed forest with
<taxonomicName id="9BCDEDA4FFE0FF9AFE2AFA3DFA84BE00" authority=", Chamaecyparis" authorityName="Chamaecyparis" box="[490,1348,1526,1553]" class="Pinopsida" family="Pinaceae" genus="Pseudolarix" kingdom="Plantae" order="Pinales" pageId="7" pageNumber="233" phylum="Tracheophyta" rank="variety" species="amabilis" subSpecies="japonica" variety="sinensis">
<emphasis id="6EB94A35FFE0FF9AFE2AFA3DFC2BBE00" box="[490,1003,1526,1553]" italics="true" pageId="7" pageNumber="233">Pseudolarix amabilis, Cryptomeria japonica</emphasis>
var.
<emphasis id="6EB94A35FFE0FF9AFBEAFA3CFA84BE00" box="[1066,1348,1526,1552]" italics="true" pageId="7" pageNumber="233">sinensis, Chamaecyparis</emphasis>
</taxonomicName>
<emphasis id="6EB94A35FFE0FF9AFA8FFA3DFE6EBE24" italics="true" pageId="7" pageNumber="233">
pisifera,
<taxonomicName id="9BCDEDA4FFE0FF9AFF48F9D1FE6EBE24" box="[136,430,1562,1588]" class="Pinopsida" family="Pinaceae" genus="Cunninghamia" kingdom="Plantae" order="Pinales" pageId="7" pageNumber="233" phylum="Tracheophyta" rank="species" species="lanceolata">Cunninghamia lanceolata</taxonomicName>
</emphasis>
and
<taxonomicName id="9BCDEDA4FFE0FF9AFE2BF9D1FD3BBE24" box="[491,763,1562,1588]" class="Liliopsida" family="Poaceae" genus="Indocalamus" kingdom="Plantae" order="Poales" pageId="7" pageNumber="233" phylum="Tracheophyta" rank="species" species="tessellatus">
<emphasis id="6EB94A35FFE0FF9AFE2BF9D1FD3BBE24" box="[491,763,1562,1588]" italics="true" pageId="7" pageNumber="233">Indocalamus tessellatus</emphasis>
</taxonomicName>
,
<date id="2873B0E7FFE0FF9AFCCBF9D1FC6FBE24" box="[779,943,1562,1588]" pageId="7" pageNumber="233" value="2021-09-17">17 Sept. 2021</date>
, coll. J.B. Pu, no. FC330112210304 (KUN-HKAS 135139; GenBank: ITS PP887458;
<emphasis id="6EB94A35FFE0FF9AFDB6F9F5FD60BE48" box="[630,672,1598,1624]" italics="true" pageId="7" pageNumber="233">gpd</emphasis>
PP898312; nuc-LSU PQ273278;
<emphasis id="6EB94A35FFE0FF9AFBE6F9F5FB9CBE48" box="[1062,1116,1598,1624]" italics="true" pageId="7" pageNumber="233">rpb1</emphasis>
PQ274846;
<emphasis id="6EB94A35FFE0FF9AFB2DF9F5FAE2BE48" box="[1261,1314,1598,1624]" italics="true" pageId="7" pageNumber="233">rpb2</emphasis>
PQ274834;
<emphasis id="6EB94A35FFE0FF9AFF48F9A9FF72BE6C" box="[136,178,1634,1660]" italics="true" pageId="7" pageNumber="233">tef1</emphasis>
PQ274840); Hangzhou Botanical Garden, in introduced plantation of
<taxonomicName id="9BCDEDA4FFE0FF9AFC1EF9A8FB9CBE6C" box="[990,1116,1634,1660]" class="Pinopsida" family="Pinaceae" genus="Pseudolarix" kingdom="Plantae" order="Pinales" pageId="7" pageNumber="233" phylum="Tracheophyta" rank="species" species="amabilis">
<emphasis id="6EB94A35FFE0FF9AFC1EF9A8FB9CBE6C" box="[990,1116,1634,1660]" italics="true" pageId="7" pageNumber="233">P. amabilis</emphasis>
</taxonomicName>
,
<date id="2873B0E7FFE0FF9AFBADF9A9FACBBE6C" box="[1133,1291,1634,1661]" pageId="7" pageNumber="233" value="2024-05-07">07 May 2024</date>
, coll. Y.J. Lu, s.n. (KUN-HKAS 135136; GenBank: ITS PP887463;
<emphasis id="6EB94A35FFE0FF9AFD2EF94DFCD8BEB0" box="[750,792,1670,1696]" italics="true" pageId="7" pageNumber="233">gpd</emphasis>
PP898317);
<emphasis id="6EB94A35FFE0FF9AFC6DF94DFC20BEB0" box="[941,992,1670,1696]" italics="true" pageId="7" pageNumber="233">ibid.</emphasis>
,
<date id="2873B0E7FFE0FF9AFC2FF94DFB48BEB0" box="[1007,1160,1670,1697]" pageId="7" pageNumber="233" value="2024-05-11">11 May 2024</date>
, coll. Y.J. Lu, s.n. (KUN-HKAS 135135; GenBank: ITS PP887462;
<emphasis id="6EB94A35FFE0FF9AFDB6F961FD60BED4" box="[630,672,1706,1732]" italics="true" pageId="7" pageNumber="233">gpd</emphasis>
PP898316; nuc-LSU PQ273279;
<emphasis id="6EB94A35FFE0FF9AFBE6F961FB9CBED4" box="[1062,1116,1706,1732]" italics="true" pageId="7" pageNumber="233">rpb1</emphasis>
PQ274847;
<emphasis id="6EB94A35FFE0FF9AFB2DF961FAE2BED4" box="[1261,1314,1706,1732]" italics="true" pageId="7" pageNumber="233">rpb2</emphasis>
PQ274835;
<emphasis id="6EB94A35FFE0FF9AFF48F905FF72BEF8" box="[136,178,1742,1768]" italics="true" pageId="7" pageNumber="233">tef1</emphasis>
PQ274841).
<collectingRegion id="9E0958C5FFE0FF9AFE88F905FE20BEF9" box="[328,480,1742,1769]" country="China" name="Jiangsu" pageId="7" pageNumber="233">Jiangsu Prov.</collectingRegion>
, Nanjing Botanical Garden Mem. Yun Yat-Sen, in introduced plantation of
<taxonomicName id="9BCDEDA4FFE0FF9AFAE9F904FA64BEF8" box="[1321,1444,1742,1768]" class="Pinopsida" family="Pinaceae" genus="Pseudolarix" kingdom="Plantae" order="Pinales" pageId="7" pageNumber="233" phylum="Tracheophyta" rank="species" species="amabilis">
<emphasis id="6EB94A35FFE0FF9AFAE9F904FA64BEF8" box="[1321,1444,1742,1768]" italics="true" pageId="7" pageNumber="233">P. amabilis</emphasis>
</taxonomicName>
,
<geoCoordinate id="39F9F0E0FFE0FF9AFF48F93FFEE0BF1F" box="[136,288,1780,1807]" degrees="32" direction="north" minutes="3" orientation="latitude" pageId="7" pageNumber="233" precision="1" seconds="31.25" value="32.05868">N32º3′31.25′′</geoCoordinate>
<geoCoordinate id="39F9F0E0FFE0FF9AFEE8F93FFE1ABF1F" box="[296,474,1780,1807]" degrees="118" direction="east" minutes="49" orientation="longitude" pageId="7" pageNumber="233" precision="1" seconds="58.04" value="118.83279">E118º49′58.04′′</geoCoordinate>
, elev.
<quantity id="9B353BC2FFE0FF9AFDE2F939FD9EBF1D" box="[546,606,1778,1805]" metricMagnitude="1" metricUnit="m" metricValue="6.1" pageId="7" pageNumber="233" unit="m" value="61.0">61 m</quantity>
,
<date id="2873B0E7FFE0FF9AFDAAF939FCC0BF1C" box="[618,768,1778,1804]" pageId="7" pageNumber="233" value="2023-10-04">04 Oct. 2023</date>
, coll. X. Chen, no. CX795 (KUN-HKAS 135133; GenBank: ITS PP887461;
<emphasis id="6EB94A35FFE0FF9AFEFBF8DDFEA5BF20" box="[315,357,1814,1840]" italics="true" pageId="7" pageNumber="233">gpd</emphasis>
PP898315; nuc-LSU PQ273280;
<emphasis id="6EB94A35FFE0FF9AFD22F8DDFCD7BF20" box="[738,791,1814,1840]" italics="true" pageId="7" pageNumber="233">rpb1</emphasis>
PQ274848;
<emphasis id="6EB94A35FFE0FF9AFC65F8DDFC19BF20" box="[933,985,1814,1840]" italics="true" pageId="7" pageNumber="233">rpb2</emphasis>
PQ274836;
<emphasis id="6EB94A35FFE0FF9AFBA7F8DDFB51BF20" box="[1127,1169,1814,1840]" italics="true" pageId="7" pageNumber="233">tef1</emphasis>
PQ274842).
</paragraph>
<paragraph id="5C729627FFE0FF95FF7DF8F1FBA5B8CC" blockId="7.[136,1452,518,2093]" lastBlockId="8.[136,1452,158,220]" lastPageId="8" lastPageNumber="234" pageId="7" pageNumber="233">
<emphasis id="6EB94A35FFE0FF9AFF7DF8F1FF3FBF44" bold="true" box="[189,255,1850,1876]" pageId="7" pageNumber="233">Note:</emphasis>
In the field,
<taxonomicName id="9BCDEDA4FFE0FF9AFE63F8F0FDB3BF44" authorityName="X. H. Wang, J. B. Pu &amp; Xia Chen" authorityYear="2024" box="[419,627,1850,1876]" class="Agaricomycetes" family="Russulaceae" genus="Lactarius" kingdom="Fungi" order="Russulales" pageId="7" pageNumber="233" phylum="Basidiomycota" rank="species" species="parvihatsudake">
<emphasis id="6EB94A35FFE0FF9AFE63F8F0FDB3BF44" box="[419,627,1850,1876]" italics="true" pageId="7" pageNumber="233">L. parvihatsudake</emphasis>
</taxonomicName>
is reminiscent of
<emphasis id="6EB94A35FFE0FF9AFC8FF8F0FC39BF44" box="[847,1017,1850,1876]" italics="true" pageId="7" pageNumber="233">
<taxonomicName id="9BCDEDA4FFE0FF9AFC8FF8F0FC34BF44" box="[847,1012,1850,1876]" class="Agaricomycetes" family="Russulaceae" genus="Lactarius" kingdom="Fungi" order="Russulales" pageId="7" pageNumber="233" phylum="Basidiomycota" rank="species" species="hatsuadake">L. hatsuadake</taxonomicName>
,
</emphasis>
but the smaller basidiocarps, distant lamellae and transparently sulcate pileus margin make it different. This is a thin-fleshed species and the pileus is never zonate as
<emphasis id="6EB94A35FFE0FF9AFE82F848FE1BBF8C" box="[322,475,1922,1948]" italics="true" pageId="7" pageNumber="233">
<taxonomicName id="9BCDEDA4FFE0FF9AFE82F848FE16BF8C" authorityName="Tanaka" authorityYear="1890" box="[322,470,1922,1948]" class="Agaricomycetes" family="Russulaceae" genus="Lactarius" kingdom="Fungi" order="Russulales" pageId="7" pageNumber="233" phylum="Basidiomycota" rank="species" species="hatsudake">L. hatsudake</taxonomicName>
.
</emphasis>
The spores are bigger and broader, the ornamentation of the spores is higher and the macrocystidia are smaller. Another notable difference from other red-colored species is the habitat with
<emphasis id="6EB94A35FFE0FF9AFAE4F86DFF2FBFF4" italics="true" pageId="7" pageNumber="233">
<taxonomicName id="9BCDEDA4FFE0FF9AFAE4F86DFF2BBFF4" class="Pinopsida" family="Pinaceae" genus="Pseudolarix" kingdom="Plantae" order="Pinales" pageId="7" pageNumber="233" phylum="Tracheophyta" rank="species" species="amabilis">Pseudolarix amabilis</taxonomicName>
,
</emphasis>
a relict genus/species that has never been reported to be host of the species in the section. The closest relative of
<taxonomicName id="9BCDEDA4FFE0FF9AFF67F824FEB3B018" authorityName="X. H. Wang, J. B. Pu &amp; Xia Chen" authorityYear="2024" box="[167,371,2030,2056]" class="Agaricomycetes" family="Russulaceae" genus="Lactarius" kingdom="Fungi" order="Russulales" pageId="7" pageNumber="233" phylum="Basidiomycota" rank="species" species="parvihatsudake">
<emphasis id="6EB94A35FFE0FF9AFF67F824FEB3B018" box="[167,371,2030,2056]" italics="true" pageId="7" pageNumber="233">L. parvihatsudake</emphasis>
</taxonomicName>
is not clear, but apparently not related with
<taxonomicName id="9BCDEDA4FFE0FF9AFCA7F824FC37B018" authorityName="Tanaka" authorityYear="1890" box="[871,1015,2030,2056]" class="Agaricomycetes" family="Russulaceae" genus="Lactarius" kingdom="Fungi" order="Russulales" pageId="7" pageNumber="233" phylum="Basidiomycota" rank="species" species="hatsudake">
<emphasis id="6EB94A35FFE0FF9AFCA7F824FC37B018" box="[871,1015,2030,2056]" italics="true" pageId="7" pageNumber="233">L. hatsudake</emphasis>
</taxonomicName>
and another Asian red-colored species
<emphasis id="6EB94A35FFE0FF9AFF48F7D8FEC2B03C" box="[136,258,2066,2092]" italics="true" pageId="7" pageNumber="233">
<taxonomicName id="9BCDEDA4FFE0FF9AFF48F7D8FF3FB03C" box="[136,255,2066,2092]" class="Agaricomycetes" family="Russulaceae" genus="Lactarius" kingdom="Fungi" order="Russulales" pageId="7" pageNumber="233" phylum="Basidiomycota" rank="species" species="horakii">L. horakii</taxonomicName>
.
</emphasis>
In both ITS and
<emphasis id="6EB94A35FFE0FF9AFE14F7D9FE3EB03C" box="[468,510,2066,2092]" italics="true" pageId="7" pageNumber="233">gpd</emphasis>
phylogenies, this species formed a long branch, suggesting an early divergence. This genetic divergence might be from the host specificity with the relict host
<taxonomicName id="9BCDEDA4FFEFFF95FBDBFF55FACCB8A8" box="[1051,1292,158,184]" class="Pinopsida" family="Pinaceae" genus="Pseudolarix" kingdom="Plantae" order="Pinales" pageId="8" pageNumber="234" phylum="Tracheophyta" rank="species" species="amabilis">
<emphasis id="6EB94A35FFEFFF95FBDBFF55FACCB8A8" box="[1051,1292,158,184]" italics="true" pageId="8" pageNumber="234">Pseudolarix amabilis</emphasis>
</taxonomicName>
, similar to
<taxonomicName id="9BCDEDA4FFEFFF95FA55FF54FDC7B8CC" authority="(Han et al. 2019)" baseAuthorityName="Han" baseAuthorityYear="2019" class="Agaricomycetes" family="Russulaceae" genus="Lactarius" kingdom="Fungi" order="Russulales" pageId="8" pageNumber="234" phylum="Basidiomycota" rank="species" species="guangdongensis">
<emphasis id="6EB94A35FFEFFF95FA55FF54FEFEB8CC" italics="true" pageId="8" pageNumber="234">L. guangdongensis</emphasis>
(
<bibRefCitation id="385CEBD6FFEFFF95FE8DFF09FE3FB8CC" author="Han, Y. &amp; Liang, C. Z. &amp; Liu, P. G. &amp; Nuytinck, J. &amp; Wang, X. H." box="[333,511,194,220]" pageId="8" pageNumber="234" pagination="278 - 286" refId="ref7512" refString="Han, Y., Liang, C. Z., Liu, P. G., Nuytinck, J. &amp; Wang, X. H. (2019) Lactarius guangdongensis sp. nov. (Russulaceae, Russulales), a species of Lactarius sect. Deliciosi growing with a vulnerable five-needle pine, Pinus kwangtungensis. Phytotaxa 393 (3): 278 - 286. https: // doi. org / 10.11646 / phytotaxa. 393.3.4" type="journal article" year="2019">
Han
<emphasis id="6EB94A35FFEFFF95FE44FF08FE7CB8CC" box="[388,444,194,220]" italics="true" pageId="8" pageNumber="234">et al.</emphasis>
2019
</bibRefCitation>
)
</taxonomicName>
, if the symbiotic relationship is eventually confirmed.
</paragraph>
</subSubSection>
</treatment>
</document>

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<document id="054DE92DC632E841A60F12FC7374A090" ID-DOI="10.11646/phytotaxa.668.3.2" ID-ISSN="1179-3163" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1734549229041" checkinUser="felipe" docAuthor="Pu, Jin-Bao, Cao, Shu-Qin, Wang, Ran, Chen, Xia, Pang, Chun-Mei &amp; Wang, Xiang-Hua" docDate="2024" docId="D4642731FFE2FF98FF48FD3FFE26BFC6" docLanguage="en" docName="phytotaxa.668.3.226-238.pdf" docOrigin="Phytotaxa 668 (3)" docSource="https://doi.org/10.11646/phytotaxa.668.3.2" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="13" docTitle="Lactarius gibbosus X. H. Wang, Ran Wang &amp; S. Q. Cao 2024, sp. nov." docType="treatment" docVersion="1" lastPageNumber="231" masterDocId="285D5F49FFE7FF9DFFC0FFCBFFC0B810" masterDocTitle="New species diversity and host association of Lactarius sect. Deliciosi: describing L. gibbosus and L. parvihatsudake (Russulaceae, Russulales) in southern China" masterLastPageNumber="238" masterPageNumber="226" pageNumber="231" updateTime="1734554624132" updateUser="GgImagineBatch" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="031A5873095594FB2DBC16C445E59BA0">New species diversity and host association of Lactarius sect. Deliciosi: describing L. gibbosus and L. parvihatsudake (Russulaceae, Russulales) in southern China</mods:title>
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<mods:namePart id="6DFD95BB26B968AA632A77D0DA900046">Pu, Jin-Bao</mods:namePart>
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<mods:affiliation id="84423CCC20A6CDACC2EED7A5D1738A1A">Center for Medicinal Resources Research, Zhejiang Academy of Traditional Chinese Medicine, Tianmushan Road 132, Hangzhou 310007, P. R. China</mods:affiliation>
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<mods:namePart id="1AD9D86E5BF5D11A2F8CA1DA1891C0A7">Cao, Shu-Qin</mods:namePart>
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<mods:affiliation id="419D9A87659F70FEC241FB7331B3A653">CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Lanhei Road 132, Kunming 650201, P. R. China</mods:affiliation>
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<mods:namePart id="47FBF57FEDF470D101DE0E0906F5EC22">Wang, Ran</mods:namePart>
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<mods:affiliation id="A081CF966F1A7EA1A3EC034F161BC290">College of Biological and Agricultural Sciences, Honghe University, Mengzi 661199, P. R. China</mods:affiliation>
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<mods:namePart id="00D174C58EFC952CD0A97538F7EBE588">Chen, Xia</mods:namePart>
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<mods:affiliation id="C38117956D7BF065D7E49CE1C71AF081">The Administration Bureau of Dr. Sun Yat-sen’s Mausoleum, Nanjing 210014, P. R. China</mods:affiliation>
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<mods:namePart id="470FAA7C04DB0368A1C07914F6A08BCF">Pang, Chun-Mei</mods:namePart>
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<mods:affiliation id="85D5CFF1929063EAED515BBA41D36049">Zhejiang Tianmu Mountain National Nature Reserve Administration, Lin’an 311311, P. R. China</mods:affiliation>
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<mods:namePart id="CB001B00E5B9DB5FBCB6D377E016019B">Wang, Xiang-Hua</mods:namePart>
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<mods:affiliation id="B8ED94AAE9FD1640734FB0ACCF42FFE1">CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Lanhei Road 132, Kunming 650201, P. R. China</mods:affiliation>
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<mods:title id="50C4A2295B2DCB3E95BD1553441AAC0B">Phytotaxa</mods:title>
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<mods:date id="5B537F4874CFC358C0BFA483ECBCDBB2">2024</mods:date>
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<heading id="073A214BFFE2FF98FF48FD3FFC03BB1E" bold="true" box="[136,963,756,783]" fontSize="11" level="1" pageId="5" pageNumber="231" reason="1">
<emphasis id="6EB94A35FFE2FF98FF48FD3FFC03BB1E" bold="true" box="[136,963,756,783]" pageId="5" pageNumber="231">
<taxonomicName id="9BCDEDA4FFE2FF98FF48FD3FFCCCBB1E" authority="X.H. Wang, Ran Wang &amp; S.Q. Cao" authorityName="X. H. Wang, Ran Wang &amp; S. Q. Cao" authorityYear="2024" box="[136,780,756,783]" class="Agaricomycetes" family="Russulaceae" genus="Lactarius" kingdom="Fungi" order="Russulales" pageId="5" pageNumber="231" phylum="Basidiomycota" rank="species" species="gibbosus" status="sp. nov.">
<emphasis id="6EB94A35FFE2FF98FF48FD3FFEA3BB1F" bold="true" box="[136,355,756,783]" italics="true" pageId="5" pageNumber="231">Lactarius gibbosus</emphasis>
X.H. Wang, Ran Wang &amp; S.Q. Cao
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,
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,
<figureCitation id="C4F68AA2FFE2FF98FC40FD3FFC03BB1E" box="[896,963,756,782]" captionStart="FIGURE 3" captionStartId="6.[136,234,1953,1975]" captionTargetBox="[162,1426,190,1929]" captionTargetId="figure-18@6.[162,1426,190,1929]" captionTargetPageId="6" captionText="FIGURE 3. Lactarius gibbosus (holotype, KUN-HKAS 135134). A: basidiocarps, B: basidiospores, C, D: pleuromacrocystidia, E: pseudocystidia, F: cheilomacrocystidia, G, H: pileipellis. (scale bars:A: 2 cm, B: 5 µm, C–G: 20 µm, H: 25 µm)" pageId="5" pageNumber="231">Fig. 3</figureCitation>
</emphasis>
</heading>
</paragraph>
<paragraph id="5C729627FFE2FF98FF48FCD7FE02BB22" blockId="5.[136,1451,756,1070]" box="[136,450,796,818]" pageId="5" pageNumber="231">MycoBank number: MB 854361</paragraph>
</subSubSection>
<subSubSection id="14D7C5ACFFE2FF98FF48FC8BFE26BFC6" pageId="5" pageNumber="231" type="etymology">
<paragraph id="5C729627FFE2FF98FF48FC8BFD25BB46" blockId="5.[136,1451,756,1070]" box="[136,741,832,854]" pageId="5" pageNumber="231">Etymology:—referring to the swollen hyphae in the pileipellis.</paragraph>
<paragraph id="5C729627FFE2FF98FF48FCAFFBB9BBD1" blockId="5.[136,1451,756,1070]" pageId="5" pageNumber="231">
<typeStatus id="83762885FFE2FF98FF48FCAFFF1FBB6A" box="[136,223,868,890]" pageId="5" pageNumber="231" type="holotype">Holotype</typeStatus>
:—
<collectingCountry id="24DAD6B7FFE2FF98FF3AFCAFFE85BB6A" box="[250,325,868,890]" name="China" pageId="5" pageNumber="231">CHINA</collectingCountry>
:
<collectingRegion id="9E0958C5FFE2FF98FE91FCAFFE1ABB69" box="[337,474,868,889]" country="China" name="Yunnan" pageId="5" pageNumber="231">Yunnan Prov.</collectingRegion>
, Menglian Co., Gongxin Town, Gongxin village,
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<geoCoordinate id="39F9F0E0FFE2FF98FBABFCA9FB39BB69" box="[1131,1273,866,889]" degrees="99" direction="east" minutes="16" orientation="longitude" pageId="5" pageNumber="231" precision="1" seconds="27.98" value="99.274445">E99º16′27.98′′</geoCoordinate>
, in broad-leaved forest with trees of
<taxonomicName id="9BCDEDA4FFE2FF98FEBBFC43FE30BB8D" box="[379,496,904,925]" class="Magnoliopsida" family="Fagaceae" genus="Castanopsis" kingdom="Plantae" order="Fagales" pageId="5" pageNumber="231" phylum="Tracheophyta" rank="genus">
<emphasis id="6EB94A35FFE2FF98FEBBFC43FE30BB8D" box="[379,496,904,925]" italics="true" pageId="5" pageNumber="231">Castanopsis</emphasis>
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and
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<emphasis id="6EB94A35FFE2FF98FDE0FC43FD54BB8D" box="[544,660,904,925]" italics="true" pageId="5" pageNumber="231">Lithocarpus</emphasis>
</taxonomicName>
,
<date id="2873B0E7FFE2FF98FD61FC43FCE9BB8D" box="[673,809,904,926]" pageId="5" pageNumber="231" value="2021-09-05">05 Sept. 2021</date>
, coll. R. Wang, no. rml-887 (KUN-HKAS 135134! GenBank: ITS PP88746;
<emphasis id="6EB94A35FFE2FF98FEE1FC67FE85BBD1" box="[289,325,940,961]" italics="true" pageId="5" pageNumber="231">gpd</emphasis>
PP898319; nuc-LSU PQ273275;
<emphasis id="6EB94A35FFE2FF98FD4BFC67FD79BBD1" box="[651,697,940,961]" italics="true" pageId="5" pageNumber="231">rpb1</emphasis>
PQ274843;
<emphasis id="6EB94A35FFE2FF98FCF2FC67FCA0BBD1" box="[818,864,940,961]" italics="true" pageId="5" pageNumber="231">rpb2</emphasis>
PQ274831;
<emphasis id="6EB94A35FFE2FF98FC19FC67FC3DBBD1" box="[985,1021,940,961]" italics="true" pageId="5" pageNumber="231">tef1</emphasis>
PQ274837).
</paragraph>
<paragraph id="5C729627FFE2FF98FF48FC1BFEB3BC3D" blockId="5.[136,1451,756,1070]" pageId="5" pageNumber="231">
Diagnosis:—Different from all other species of
<emphasis id="6EB94A35FFE2FF98FD8EFC1BFDA3BBF5" box="[590,611,976,997]" italics="true" pageId="5" pageNumber="231">L.</emphasis>
sect.
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<emphasis id="6EB94A35FFE2FF98FD57FC1BFD2EBBF5" box="[663,750,976,997]" italics="true" pageId="5" pageNumber="231">Deliciosi</emphasis>
</taxonomicName>
by the dry and waxy pileus and pileipellis with swollen thick-walled cells and lacking slimy layer. In addition, the azonate pileus and macrocystidia with thick golden brown contents can help to separate it from
<taxonomicName id="9BCDEDA4FFE2FF98FF32FBD3FEACBC3D" authorityName="Tanaka" authorityYear="1890" box="[242,364,1048,1069]" class="Agaricomycetes" family="Russulaceae" genus="Lactarius" kingdom="Fungi" order="Russulales" pageId="5" pageNumber="231" phylum="Basidiomycota" rank="species" species="hatsudake">
<emphasis id="6EB94A35FFE2FF98FF32FBD3FEACBC3D" box="[242,364,1048,1069]" italics="true" pageId="5" pageNumber="231">L. hatsudake</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph id="5C729627FFE2FF98FF48FB97FABFBD3A" blockId="5.[136,1452,1116,2006]" pageId="5" pageNumber="231">
Basidiocarps medium-sized to big, stout. Pileus
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in diam., center umbonate, margin applanate to slightly wavy, striate, shallowly infundibuliform when mature; surface dry, waxy, grayish pink often mixed with pale lilac tinge at the center, grayish purple towards the margin, azonate; context
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thick, grayish purple, dull purple when bruised, with dark vinaceous red dots. Lamellae
<quantity id="9B353BC2FFE2FF98FD8BFB03FD68BCF3" box="[587,680,1224,1251]" metricMagnitude="-3" metricUnit="m" metricValue="4.5" metricValueMax="5.0" metricValueMin="4.0" pageId="5" pageNumber="231" unit="mm" value="4.5" valueMax="5.0" valueMin="4.0">4–5 mm</quantity>
broad, subdistant, short decurrent, grayish purple, dark purple when bruised, unchaning to green or bluish. Stipe 36–43
<emphasis id="6EB94A35FFE2FF98FD79FB26FD0CBD16" box="[697,716,1261,1286]" italics="true" pageId="5" pageNumber="231">×</emphasis>
<quantity id="9B353BC2FFE2FF98FD12FB27FC8BBD17" box="[722,843,1260,1287]" metricMagnitude="-2" metricUnit="m" metricValue="1.35" metricValueMax="1.7" metricValueMin="1.0" pageId="5" pageNumber="231" unit="mm" value="13.5" valueMax="17.0" valueMin="10.0">10–17 mm</quantity>
, central, equal or slightly tapering downwards, hollow; surface smooth, dry, paler than the lamellae. Latex scanty, dark vinaceous red, unchanging. Spore print unknown.
</paragraph>
<paragraph id="5C729627FFE2FF98FF7DFAFFFC22BECA" blockId="5.[136,1452,1116,2006]" pageId="5" pageNumber="231">
Basidiospores (40/2/1) (5.5) 6.0–
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–7.5 (8.0)
<emphasis id="6EB94A35FFE2FF98FD0AFAFEFD1DBD5E" box="[714,733,1333,1358]" italics="true" pageId="5" pageNumber="231">×</emphasis>
5.0–
<emphasis id="6EB94A35FFE2FF98FCD5FAFFFCF8BD5E" bold="true" box="[789,824,1332,1358]" italics="true" pageId="5" pageNumber="231">5.5</emphasis>
–6.0 (6.5) μm, broadly ellipsoid to ellipsoid [Q = (1.14) 1.16–1.24 (1.25), Q =
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± 0.06], ornamentation up to 1.0 μm high, composed of long ridges partially connected, not forming a reticulum, closed meshes and isolated warts rare; plage not amyloid. Basidia 40–52
<emphasis id="6EB94A35FFE2FF98FB0BFAB6FB1EBD86" box="[1227,1246,1405,1430]" italics="true" pageId="5" pageNumber="231">×</emphasis>
8–10 μm, clavate, 4-spored. Pleuromacrocystidia abundant, 42–90
<emphasis id="6EB94A35FFE2FF98FD6CFA6AFD7FBDAA" box="[684,703,1441,1466]" italics="true" pageId="5" pageNumber="231">×</emphasis>
6–14 μm, base originating from subhymenium, fusiform, clavate, with a blunt apex, filled with thick golden-brown contents, contents thicker at the middle upper part. Hymenial pseudocystidia abundant, 2–4 μm broad, with golden-brown contents. Lamella edge sterile; cheilomacrocystidia common, 27–60
<emphasis id="6EB94A35FFE2FF98FE84F9C6FE97BE36" box="[324,343,1549,1574]" italics="true" pageId="5" pageNumber="231">×</emphasis>
5–10 μm, clavate with a blunt apex, filled with golden-brown contents, rarely with sparse contents; marginal cells 22–32
<emphasis id="6EB94A35FFE2FF98FEBDF9FAFE50BE5A" box="[381,400,1585,1610]" italics="true" pageId="5" pageNumber="231">×</emphasis>
6–8 μm, cylindrical, clavate. Pileipellis 50–130 μm thick, of irregularly swollen cells mixed with hyphoid cells, some terminal cells thick-walled with wall to 1 µm thick, swollen cells 10–15 μm broad, hyphoid cells 5–8 µm broad, strongly gelatinized, nearly colorless to pale yellowish brown. Lactiferous hyphae abundant, 3–8 μm broad, golden brown. Stipitipellis an (ixo)cutis, up to 50 μm thick; hyphae 2–6 μm broad, strongly gelatinized. Trama of pileus and stipe with abundant rosettes. Clamp connections absent.
</paragraph>
<paragraph id="5C729627FFE2FF98FF7DF92FFE26BFC6" blockId="5.[136,1452,1116,2006]" pageId="5" pageNumber="231">
<emphasis id="6EB94A35FFE2FF98FF7DF92FFF3FBEEE" bold="true" box="[189,255,1764,1790]" pageId="5" pageNumber="231">Note:</emphasis>
This is a unique species in
<emphasis id="6EB94A35FFE2FF98FDF5F92EFD8CBEEE" box="[565,588,1765,1790]" italics="true" pageId="5" pageNumber="231">L.</emphasis>
sect.
<emphasis id="6EB94A35FFE2FF98FD4DF92FFD3ABEEE" box="[653,762,1764,1790]" italics="true" pageId="5" pageNumber="231">
<taxonomicName id="9BCDEDA4FFE2FF98FD4DF92FFD36BEEE" box="[653,758,1764,1790]" pageId="5" pageNumber="237" rank="section" section="Deliciosi">Deliciosi</taxonomicName>
.
</emphasis>
The dry and waxy pileus surface has never been found in the section. Under microscope, the pileipellis with swollen and even thick-walled cells is unexpected, even reminiscent of species of
<taxonomicName id="9BCDEDA4FFE2FF98FEDFF8E7FD00BF56" authority="(Pers.) Roussel (1806: 66)" authorityName="Roussel" authorityPageNumber="66" authorityYear="1806" baseAuthorityName="Pers." box="[287,704,1836,1862]" class="Agaricomycetes" family="Russulaceae" genus="Lactifluus" kingdom="Fungi" order="Russulales" pageId="5" pageNumber="231" phylum="Basidiomycota" rank="genus">
<emphasis id="6EB94A35FFE2FF98FEDFF8E7FE4FBF56" box="[287,399,1836,1862]" italics="true" pageId="5" pageNumber="231">Lactifluus</emphasis>
(Pers.)
<bibRefCitation id="385CEBD6FFE2FF98FE29F8E7FD00BF56" author="Roussel, H. F. A." box="[489,704,1836,1862]" pageId="5" pageNumber="231" refId="ref8743" refString="Roussel, H. F. A. (1806) Flore du Calvados et terrains adjacents. Deuxieme edition." type="book" year="1806">Roussel (1806: 66)</bibRefCitation>
</taxonomicName>
. This is totally different from the diagnostic ixocutis pileipellis of the section. The macrocystidia are filled with golden brown contents, very similar to pseudocystidia. These characters are sufficient to recognize it as a new species. The closest relative of this new species is
<emphasis id="6EB94A35FFE2FF98FBAFF8BEFAC2BF9E" box="[1135,1282,1908,1934]" italics="true" pageId="5" pageNumber="231">
<taxonomicName id="9BCDEDA4FFE2FF98FBAFF8BEFB3EBF9E" authorityName="Verbeken &amp; Horak" authorityYear="2000" box="[1135,1278,1908,1934]" class="Agaricomycetes" family="Russulaceae" genus="Lactarius" kingdom="Fungi" order="Russulales" pageId="5" pageNumber="231" phylum="Basidiomycota" rank="species" species="subindigo">L. subindigo</taxonomicName>
,
</emphasis>
a blue-colored species also growing with fagaceous trees and found in southern
<collectingCountry id="24DAD6B7FFE2FF98FCA5F853FC6CBFA2" box="[869,940,1944,1970]" name="China" pageId="5" pageNumber="231">China</collectingCountry>
. This is the first time that red-colored species is found from fagaceous forest.
</paragraph>
</subSubSection>
</treatment>
</document>