259 lines
17 KiB
XML
259 lines
17 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/mycokeys.59.38359" ID-GBIF-Dataset="f7109eac-5da6-4acc-a5d6-f693b0884bd8" ID-PMC="PMC6811376" ID-Pensoft-Pub="1314-4049-59-27" ID-Pensoft-UUID="23145103C4395A4980C05DD7B4600900" ID-PubMed="31662619" ModsDocID="1314-4049-59-27" checkinTime="1571298305351" checkinUser="pensoft" docAuthor="Montoya, Leticia, Caro, Abraham, Ramos, Antero & Bandala 1, Victor M." docDate="2019" docId="21BD75FDA2F352BF88977BE7B29C5270" docLanguage="en" docName="MycoKeys 59: 27-45" docOrigin="MycoKeys 59" docSource="http://dx.doi.org/10.3897/mycokeys.59.38359" docTitle="Lactifluus mexicanus Montoya, Caro, Bandala & Ramos, sp. nov." docType="treatment" docVersion="4" id="23145103C4395A4980C05DD7B4600900" lastPageNumber="27" masterDocId="23145103C4395A4980C05DD7B4600900" masterDocTitle="Two new species of Lactifluus (Fungi, Russulales) from tropical Quercus forest in eastern Mexico" masterLastPageNumber="45" masterPageNumber="27" pageNumber="27" updateTime="1668136327970" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Two new species of Lactifluus (Fungi, Russulales) from tropical Quercus forest in eastern Mexico</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Montoya, Leticia</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Caro, Abraham</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Ramos, Antero</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Bandala 1, Victor M.</mods:namePart>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>MycoKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2019</mods:date>
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<mods:detail type="volume">
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<mods:number>59</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>27</mods:start>
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<mods:end>45</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/mycokeys.59.38359</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/mycokeys.59.38359</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-4049-59-27</mods:identifier>
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<mods:identifier type="Pensoft-UUID">23145103C4395A4980C05DD7B4600900</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="159745156" LSID="urn:lsid:plazi:treatment:21BD75FDA2F352BF88977BE7B29C5270" httpUri="http://treatment.plazi.org/id/21BD75FDA2F352BF88977BE7B29C5270" lastPageNumber="27" pageId="0" pageNumber="27">
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<subSubSection pageId="0" pageNumber="27" type="nomenclature">
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<paragraph pageId="0" pageNumber="27">
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<taxonomicName LSID="21BD75FD-A2F3-52BF-8897-7BE7B29C5270" authority="Montoya, Caro, Bandala & Ramos" class="Agaricomycetes" family="Russulaceae" genus="Lactifluus" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactifluus mexicanus" order="Russulales" pageId="0" pageNumber="27" phylum="Basidiomycota" rank="species" species="mexicanus">Lactifluus mexicanus Montoya, Caro, Bandala & Ramos</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="27">sp. nov.</taxonomicNameLabel>
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Lactifluus species basidiomes and pileipellis a, b L. lorenae; c, d L. mexicanus. Scale bars: 40 mm (a), 20 mm (c), 2 μm (b, d)." figureDoi="10.3897/mycokeys.59.38359.figure2" httpUri="https://binary.pensoft.net/fig/347207" pageId="0" pageNumber="27" tableDoi="10.3897/mycokeys.59.38359.figure2">Figs 2c, d</figureCitation>
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,
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<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Lactifluus mexicanus microscopical characteristics a basidiospores b basidia c pleurocystidia d cheilocystidia. Scale bar: 5 µm (a), 10 µm (b-d)." figureDoi="10.3897/mycokeys.59.38359.figure4" httpUri="https://binary.pensoft.net/fig/347209" pageId="0" pageNumber="27" tableDoi="10.3897/mycokeys.59.38359.figure4">4</figureCitation>
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,
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<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. SEM microphotographs of Lactifluus species a, b Lactifluus lorenae c, d L. mexicanus. Scale bar: 2 μm." figureDoi="10.3897/mycokeys.59.38359.figure5" httpUri="https://binary.pensoft.net/fig/347210" pageId="0" pageNumber="27" tableDoi="10.3897/mycokeys.59.38359.figure5">5c, d</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="27" type="holotype">
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<paragraph pageId="0" pageNumber="27">Holotype.</paragraph>
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<paragraph pageId="0" pageNumber="27">
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MEXICO, Veracruz State, Veracruz, Alto Lucero Co., 12 km SW Palma Sola (road Veracruz-Nautla) 11 July 2016, Montoya 5276 (XAL). Ectomycorrhizal, under
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<taxonomicName class="Magnoliopsida" family="Fagaceae" genus="Quercus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Quercus oleoides" order="Fagales" pageId="0" pageNumber="27" phylum="Tracheophyta" rank="species" species="oleoides">
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<emphasis italics="true" pageId="0" pageNumber="27">Quercus oleoides</emphasis>
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</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="27" type="diagnosis">
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<paragraph pageId="0" pageNumber="27">Diagnosis.</paragraph>
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<paragraph pageId="0" pageNumber="27">Recognised by the combination of pileus disc faintly rugose, margin rugose to strongly venous-rugose, lamellae close to very close, the stipe including pinkish tinges and by the size of lamprocystidia and pileipellis terminal elements.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="27" type="gene sequences ex-holotype">
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<paragraph pageId="0" pageNumber="27">Gene sequences ex-holotype.</paragraph>
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<paragraph pageId="0" pageNumber="27">
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MK211181 (ITS), MK211190 (LSU), MK258871 (
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<emphasis italics="true" pageId="0" pageNumber="27">rpb</emphasis>
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2).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="27" type="etymology">
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<paragraph pageId="0" pageNumber="27">Etymology.</paragraph>
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<paragraph pageId="0" pageNumber="27">referring to Mexico.</paragraph>
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<paragraph pageId="0" pageNumber="27">
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<emphasis bold="true" pageId="0" pageNumber="27">Pileus</emphasis>
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33-125 mm diam., convex, plano convex to depressed at centre, subvelvety, smooth or at times faintly rugose at centre, at remaining disc surface smooth, vinaceous-brown or vinaceous (7D6-8; 7E8; 8C7; 8D4-8) when young, then ferruginous-brown, cinnamon-brown, frequently pale vinaceous (7C4-6), dull vinaceous (7D6) or pinkish-wine over a yellowish base, other reddish-brown to vinaceous (7C8-E8, 7D7-8; 2.5YR 4-5/6), at times with orange-brown (6C7; 6D7-8; 5YR 5/6-6/6; 7.5YR 5/4, 5/6-8) areas; margin decurved, straight in age, at times undulated, rugose to strongly venous-rugose.
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<emphasis bold="true" pageId="0" pageNumber="27">Lamellae</emphasis>
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2-9 mm broad, close to very close, adnate to subdecurrent, arcuate, with entire edge, some furcate at different levels, at times sinuous especially towards the stipe attachment, pale yellowish to yellowish (2.5Y 8/1-3, 8/6; 7.5YR 8/4; 10YR 8/3-6), straw-yellow, yellow-orange (4A2-6 surfaces, 5A3-5 edges in group) with brown to cinnamon-brown tinges, with faint vinaceous stains or brown colour (2.5YR 5/3; 7.5YR 5/4) when handled; lamelullae of different sizes, 1-4 per lamellae.
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<emphasis bold="true" pageId="0" pageNumber="27">Stipe</emphasis>
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35-115
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<normalizedToken originalValue="×">x</normalizedToken>
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9-27 mm, cylindrical, faintly broadened towards the base, subtomentose, dry, solid, in general concolorous but paler than pileus surface, at apex pale pinkish-orange (5YR 8/3-4), pinkish-brown, pale orange-brown or pinkish-red (6B3-4, 6B6-C6; 5YR 7/4-6, 8/2), continuing in pale orange (6A2-3), brown-orange with pinkish-grey tinges (6B2-5, 6C2) and pinkish-brown (6-7B3, 6-7B4) colours, becoming darker towards the base (7C4-6) (2.5YR 4/6; 5YR 6/4; 5YR 6/6; 7.5YR 6/3, 5/4, 8/4, 8/6), with some dark brown areas; base whitish and with whitish mycelium.
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<emphasis bold="true" pageId="0" pageNumber="27">Context</emphasis>
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compact, whitish to yellowish, staining brown-vinaceous. Odour faintly disagreeable, fishy; taste mild to somewhat bitter.
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<emphasis bold="true" pageId="0" pageNumber="27">Latex</emphasis>
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whitish to cream colour (2.5Y 8/3-6), milky, abundant, secreting from the whole basidiome, staining the lamellae and white paper pale brown; taste mild. KOH darkens the pileus surface.
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</paragraph>
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<paragraph pageId="0" pageNumber="27">
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<emphasis bold="true" pageId="0" pageNumber="27">Basidiospores</emphasis>
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8
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<normalizedToken originalValue="–10(–">-10(-</normalizedToken>
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11)
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<normalizedToken originalValue="×">x</normalizedToken>
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7
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<normalizedToken originalValue="–9(–">-9(-</normalizedToken>
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10)
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<normalizedToken originalValue="µm">µm</normalizedToken>
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,
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<emphasis italics="true" pageId="0" pageNumber="27">X̄</emphasis>
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= 8.7-9.2
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<normalizedToken originalValue="×">x</normalizedToken>
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7.5-9.0
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<normalizedToken originalValue="µm">µm</normalizedToken>
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,
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<emphasis italics="true" pageId="0" pageNumber="27">Q̄</emphasis>
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= 1.1-1.2, subglobose to broadly ellipsoid, thin-walled; ornamentation up to 0.2-1.2
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<normalizedToken originalValue="µm">µm</normalizedToken>
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high (measured under SEM), a rather complete reticulum with irregular ridges, at times with thin connecting lines, rarely with some isolated ridges; plage in most spores inamyloid, rarely faintly amyloid; under SEM, the basidiospores wall appears rugose and with some isolated verrucae, with a complete reticulum composed of continuous regular or irregular ridges, some parts of the reticulum having rounded or irregular nodulose elevations, these later seen in the light microscope as verrucae, plage area smooth or with ornamentation reminiscences.
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<emphasis bold="true" pageId="0" pageNumber="27">Basidia</emphasis>
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38-47
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<normalizedToken originalValue="×">x</normalizedToken>
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8-13
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, clavate to faintly cylindrical, with 3-4 sterigma (at times with 2), thin-walled, with refractive contents.
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<emphasis bold="true" pageId="0" pageNumber="27">Pleurolamprocystidia</emphasis>
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47-63
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<normalizedToken originalValue="×">x</normalizedToken>
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5-8
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, lanceolate, at times mucronate, with wall 1.0-2.0 (-3.0)
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<normalizedToken originalValue="µm">µm</normalizedToken>
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thick (in some elements, the wall is so thick that the lumen is very narrow).
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<emphasis bold="true" pageId="0" pageNumber="27">Cheilolamprocystidia</emphasis>
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40-55
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<normalizedToken originalValue="×">x</normalizedToken>
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5-8
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, lanceolate, some subcylindrical, at times mucronate, with wall up to 1.0
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<normalizedToken originalValue="µm">µm</normalizedToken>
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thick, without dense contents, hyaline.
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<emphasis bold="true" pageId="0" pageNumber="27">Pseudocystidia</emphasis>
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absent.
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<emphasis bold="true" pageId="0" pageNumber="27">Pileipellis</emphasis>
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a lampropalisade, elements of the suprapellis 45-63
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<normalizedToken originalValue="×">x</normalizedToken>
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3-6
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, most cylindrical, others clavate, ventricose or even ovoid 10-12
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<normalizedToken originalValue="×">x</normalizedToken>
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5-6
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, without dense contents, some septate, hyaline, compact, at times, the elements arranged in mounds, wall up to 0.5
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<normalizedToken originalValue="µm">µm</normalizedToken>
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thick; subpellis 42-70
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<normalizedToken originalValue="µm">µm</normalizedToken>
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thick, composed of cells 9-30
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<normalizedToken originalValue="×">x</normalizedToken>
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7-20
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, inflated, some subisodiametric, others irregular in form, wall 0.5-1.0
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<normalizedToken originalValue="µm">µm</normalizedToken>
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thick, not gelatinzied, pale yellowish in KOH.
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<emphasis bold="true" pageId="0" pageNumber="27">Context</emphasis>
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hyphae in an irregular arrangement, 5.0-8.0
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<normalizedToken originalValue="µm">µm</normalizedToken>
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diam., cylindrical, septate, wall up to 0.5
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<normalizedToken originalValue="µm">µm</normalizedToken>
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thick, laticiferous hyphae 4-7
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<normalizedToken originalValue="µm">µm</normalizedToken>
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diam., with refractive contents, yellowish in KOH; sphaerocytes 14-20
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<normalizedToken originalValue="×">x</normalizedToken>
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16-22
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, yellowish, wall 1-1.5
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<normalizedToken originalValue="µm">µm</normalizedToken>
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thick scarce.
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<emphasis bold="true" pageId="0" pageNumber="27">Hymenophoral trama</emphasis>
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with hyphae 4-8
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<normalizedToken originalValue="µm">µm</normalizedToken>
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diam., cylindrical, septate, wall up to 0.5
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<normalizedToken originalValue="µm">µm</normalizedToken>
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thick, with scarce refractive contents, intermixed with laticiferous hyphae 4-8
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<normalizedToken originalValue="µm">µm</normalizedToken>
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diam., with refractive contents, yellowish in KOH; sphaerocytes 19-27
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<normalizedToken originalValue="µm">µm</normalizedToken>
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diam., hyaline, with a faint yellowish tinge. Clamp connections absent.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="27" type="habitat">
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<paragraph pageId="0" pageNumber="27">Habitat.</paragraph>
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<paragraph pageId="0" pageNumber="27">
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Solitary or gregarious, under
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<taxonomicName class="Magnoliopsida" family="Fagaceae" genus="Quercus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Quercus oleoides" order="Fagales" pageId="0" pageNumber="27" phylum="Tracheophyta" rank="species" species="oleoides">
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<emphasis italics="true" pageId="0" pageNumber="27">Quercus oleoides</emphasis>
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</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="27" type="materials_examined">
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<paragraph pageId="0" pageNumber="27">Additional studied material.</paragraph>
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<paragraph pageId="0" pageNumber="27">MEXICO, Veracruz, Alto Lucero Co., 12 km SW Palma Sola (road Veracruz-Nautla) 25 June 2015, Montoya 5189, 5192; 3 July 2015, Montoya 5193; 5 July 2016, Montoya 5266; 4 October 2016, Montoya 5294, 5295; 29 June 2017, Caro 109, Montoya 5329, 5330, 5331; 4 July 2017, Corona 1370, 1371; 10 July 2017 Montoya 5340; 12 September 2017, Montoya 5398; 16 September 2017, Montoya 5411, 5412; 19 September 2017, Caro125, 126; 25 September 2017 Corona 1423, 1424 (all at XAL).</paragraph>
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<caption doi="10.3897/mycokeys.59.38359.figure4" httpUri="https://binary.pensoft.net/fig/347209" pageId="0" pageNumber="27" start="Figure 4" startId="F4">
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<paragraph pageId="0" pageNumber="27">
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<emphasis bold="true" pageId="0" pageNumber="27">Figure 4.</emphasis>
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<taxonomicName class="Agaricomycetes" family="Russulaceae" genus="Lactifluus" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactifluus mexicanus" order="Russulales" pageId="0" pageNumber="27" phylum="Basidiomycota" rank="species" species="mexicanus">
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<emphasis italics="true" pageId="0" pageNumber="27">Lactifluus mexicanus</emphasis>
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</taxonomicName>
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microscopical characteristics
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<emphasis bold="true" pageId="0" pageNumber="27">a</emphasis>
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basidiospores
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<emphasis bold="true" pageId="0" pageNumber="27">b</emphasis>
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basidia
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<emphasis bold="true" pageId="0" pageNumber="27">c</emphasis>
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pleurocystidia
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<emphasis bold="true" pageId="0" pageNumber="27">d</emphasis>
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cheilocystidia. Scale bar: 5
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<normalizedToken originalValue="µm">µm</normalizedToken>
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(
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<emphasis bold="true" pageId="0" pageNumber="27">a</emphasis>
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), 10
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<normalizedToken originalValue="µm">µm</normalizedToken>
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(
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<emphasis bold="true" pageId="0" pageNumber="27">
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<normalizedToken originalValue="b–d">b-d</normalizedToken>
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</emphasis>
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).
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</paragraph>
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</caption>
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<caption doi="10.3897/mycokeys.59.38359.figure5" httpUri="https://binary.pensoft.net/fig/347210" pageId="0" pageNumber="27" start="Figure 5" startId="F5">
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<paragraph pageId="0" pageNumber="27">
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<emphasis bold="true" pageId="0" pageNumber="27">Figure 5.</emphasis>
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SEM microphotographs of
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<taxonomicName class="Agaricomycetes" family="Russulaceae" genus="Lactifluus" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactifluus" order="Russulales" pageId="0" pageNumber="27" phylum="Basidiomycota" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="27">Lactifluus</emphasis>
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</taxonomicName>
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species
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<emphasis bold="true" pageId="0" pageNumber="27">a, b</emphasis>
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<taxonomicName class="Agaricomycetes" family="Russulaceae" genus="Lactifluus" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Lactifluus lorenae" order="Russulales" pageId="0" pageNumber="27" phylum="Basidiomycota" rank="species" species="lorenae">
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<emphasis italics="true" pageId="0" pageNumber="27">Lactifluus lorenae</emphasis>
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</taxonomicName>
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<emphasis bold="true" pageId="0" pageNumber="27">c, d</emphasis>
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<taxonomicName lsidName="L. mexicanus" pageId="0" pageNumber="27" rank="species" species="mexicanus">
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<emphasis italics="true" pageId="0" pageNumber="27">L. mexicanus</emphasis>
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</taxonomicName>
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. Scale bar: 2
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<normalizedToken originalValue="μm">μm</normalizedToken>
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.
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</paragraph>
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</caption>
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</subSubSection>
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</treatment>
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</document> |