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<document ID-DOI="http://dx.doi.org/10.3897/mycokeys.43.30776" ID-GBIF-Dataset="f72738a0-fe99-48f2-aeca-78f0378ed60e" ID-PMC="PMC6306511" ID-Pensoft-Pub="1314-4049-43-115" ID-PubMed="30598620" ModsDocAuthor="" ModsDocDate="2018" ModsDocID="1314-4049-43-115" ModsDocOrigin="MycoKeys 43" ModsDocTitle="Two new African siblings of Pulveroboletusravenelii (Boletaceae)" checkinTime="1555333453866" checkinUser="pensoft" docAuthor="Badou, Sylvestre A., esel, Andre De, Raspe, Olivier, Ryberg, Martin K., Atsu K. Guelly, &amp; Yorou, Nourou S." docDate="2018" docId="DF48E0C70BE1D8C1A4FABB0A31837146" docLanguage="en" docName="MycoKeys 43: 115-130" docOrigin="MycoKeys 43" docSource="http://dx.doi.org/10.3897/mycokeys.43.30776" docTitle="Pulveroboletus africanus De Kesel &amp; Raspe, sp. nov." docType="treatment" docVersion="4" lastPageNumber="115" masterDocId="FFAE0419673BFFBE4C79DE01FFA8A171" masterDocTitle="Two new African siblings of Pulveroboletusravenelii (Boletaceae)" masterLastPageNumber="130" masterPageNumber="115" pageNumber="115" updateTime="1668136106840" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Two new African siblings of Pulveroboletusravenelii (Boletaceae)</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Badou, Sylvestre A.</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>esel, Andre De</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Raspe, Olivier</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Ryberg, Martin K.</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Atsu K. Guelly,</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Yorou, Nourou S.</mods:namePart>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>MycoKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2018</mods:date>
<mods:detail type="volume">
<mods:number>43</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>115</mods:start>
<mods:end>130</mods:end>
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<mods:location>
<mods:url>http://dx.doi.org/10.3897/mycokeys.43.30776</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/mycokeys.43.30776</mods:identifier>
<mods:identifier type="Pensoft-Pub">1314-4049-43-115</mods:identifier>
</mods:mods>
<treatment ID-GBIF-Taxon="156202152" LSID="urn:lsid:plazi:treatment:DF48E0C70BE1D8C1A4FABB0A31837146" httpUri="http://treatment.plazi.org/id/DF48E0C70BE1D8C1A4FABB0A31837146" lastPageNumber="115" pageId="0" pageNumber="115">
<subSubSection pageId="0" pageNumber="115" type="nomenclature">
<paragraph pageId="0" pageNumber="115">
<taxonomicName LSID="827970" authority="De Kesel &amp; Raspe" class="Agaricomycetes" family="Boletaceae" genus="Pulveroboletus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Pulveroboletus africanus" order="Boletales" pageId="0" pageNumber="115" phylum="Basidiomycota" rank="species" species="africanus">
Pulveroboletus africanus De Kesel &amp;
<normalizedToken originalValue="Raspé">Raspe</normalizedToken>
</taxonomicName>
<taxonomicNameLabel pageId="0" pageNumber="115">sp. nov.</taxonomicNameLabel>
Fig. 2
<normalizedToken originalValue="af">a-f</normalizedToken>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="115" type="illustr">
<paragraph pageId="0" pageNumber="115">Illustr.</paragraph>
<paragraph pageId="0" pageNumber="115">
<bibRefCitation author="Sharp, C" journalOrPublisher="Directory publishers, Bulawayo" pageId="0" pageNumber="115" title="A pocket guide to mushrooms in Zimbabwe. Vol. 1: some common species." year="2011">Sharp (2011</bibRefCitation>
, page 41, ut
<taxonomicName class="Agaricomycetes" family="Boletaceae" genus="Pulveroboletus" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Pulveroboletus ravenelii" order="Boletales" pageId="0" pageNumber="115" phylum="Basidiomycota" rank="species" species="ravenelii">Pulveroboletus aff. ravenelii</taxonomicName>
).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="115" type="holotype">
<paragraph pageId="0" pageNumber="115">Holotype.</paragraph>
<paragraph pageId="0" pageNumber="115">
Togo, Central Province, Fazao National Park,
<geoCoordinate direction="north" orientation="latitude" precision="1" value="8.742195">08°44'31.9&quot;N</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="1" value="0.80483335">0°48'17.4&quot;E</geoCoordinate>
, 6 June 2008, elev. 500 m, on the ground in a gallery forest with
<taxonomicName class="Magnoliopsida" family="Fabaceae" genus="Berlinia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Berlinia grandiflora" order="Fabales" pageId="0" pageNumber="115" phylum="Tracheophyta" rank="species" species="grandiflora">Berlinia grandiflora</taxonomicName>
(Vahl) Hutch. &amp; Dalziel,
<taxonomicName class="Magnoliopsida" family="Phyllanthaceae" genus="Uapaca" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Uapaca guineensis" order="Malpighiales" pageId="0" pageNumber="115" phylum="Tracheophyta" rank="species" species="guineensis">Uapaca guineensis</taxonomicName>
<normalizedToken originalValue="Müll">Muell</normalizedToken>
.-Arg. and
<taxonomicName class="Liliopsida" family="Pandanaceae" genus="Pandanus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Pandanus" order="Pandanales" pageId="0" pageNumber="115" phylum="Tracheophyta" rank="genus">Pandanus</taxonomicName>
sp., leg. A. De Kesel, De Kesel 4650 (BR!, BR 5020165390056, duplicate in TOGO).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="115" type="etymology">
<paragraph pageId="0" pageNumber="115">Etymology.</paragraph>
<paragraph pageId="0" pageNumber="115">Epithet refers to its very wide distribution throughout tropical Africa.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="115" type="description">
<paragraph pageId="0" pageNumber="115">Description.</paragraph>
<paragraph pageId="0" pageNumber="115">
Basidiomata medium-sized, covered by a general veil when young. Pileus 60-70 mm diam., at first broadly convex then pulvinate to plano-convex, upper layer dark brown (6E6-6F6), dry, mat, tomentose to felty, very soon cracking, becoming tomentose-scaly, bright yellow (2A4-5) in the deeper layers, predominantly yellow with age; scales appressed, slightly fibrillose, leather brown to greyish-brown (6E4-5), thicker and darker in the centre, thinner, paler and more diffused towards the margin; margin at first incurved, appendiculate with age, vivid yellow, beset with sulphur-yellow pulverulent material. Hymenophore tubulate, separable, straight to slightly sinuate, almost free around the stipe or depressed and then only slightly decurrent with a tooth; tubes up to 10 mm long, yellow to greyish-yellow (1B3), cyanescent when cut; pores regular, mostly round or slightly angular, slightly elongated around the stipe, small (14-16/mm), yellow (1A2-2A2), with age greyish-brown (5E4-6), cyanescent. Stipe cylindrical, 60-80
<normalizedToken originalValue="×">x</normalizedToken>
8-12 mm, central, solid, uppermost part vivid yellow (2A4-5), often with some reddish fibrils and smooth, lower part sheathed from the base up with a mat, dry, fibrillose-cottony, greyish to brownish-grey (5
<normalizedToken originalValue="6EF3">-6EF3-</normalizedToken>
4) layer, the latter cracking transversally, forming brownish-grey to olive brown patches (4DE4-6), first exposing a greyish-white layer, then the bright yellow deeper layers; ring at first prominent, loose membranous-cottony, vivid yellow (2AB3-5), covering the pores, later tearing, leaving fibrillose to membranous material on both pileus margin and upper third of the stipe, pulverulent, becoming greenish from spores.
</paragraph>
<paragraph pageId="0" pageNumber="115">Context yellowish-white in the pileus, marmorated yellow (1-2A2) - yellowish-white in the stipe, yellow towards the base of the stipe, cyanescent in all parts. Basal mycelium and rhizomorphs relatively thick, yellowish-white (2A2) to yellow. Odour strong fungoid. Taste not recorded. Spore print greenish-olive (fresh 3D4 in Rammeloo 5720).</paragraph>
<paragraph pageId="0" pageNumber="115">Macrochemical reactions: tubes brown to reddish-brown with KOH and NH4OH (in collections Rammeloo 5922 and De Kesel 2163).</paragraph>
<paragraph pageId="0" pageNumber="115">
Spores (8.4)8.6
<normalizedToken originalValue="9.510.3(">-9.5-10.3(-</normalizedToken>
10.6)
<normalizedToken originalValue="×">x</normalizedToken>
(4.5)4.5
<normalizedToken originalValue="4.9">-4.9-</normalizedToken>
5.3(5.4)
<normalizedToken originalValue="µm">µm</normalizedToken>
, Q = (1.77)1.79
<normalizedToken originalValue="1.93">-1.93-</normalizedToken>
2.07(2.09), broadly ellipsoid, smooth, pale yellowish-brown in 5% KOH and
<normalizedToken originalValue="Melzers">Melzer's</normalizedToken>
reagent, thin-walled, inamyloid. Basidia 4-spored, 22-35
<normalizedToken originalValue="×">x</normalizedToken>
8-12
<normalizedToken originalValue="µm">µm</normalizedToken>
, clavate, hyaline, sterigmata up to 3-4
<normalizedToken originalValue="µm">µm</normalizedToken>
long, without clamp connection. Cheilocystidia abundant, cylindrical to narrowly fusiform, (31.9
<normalizedToken originalValue=")32.142.653(">-)32.1-42.6-53(-</normalizedToken>
48.8)
<normalizedToken originalValue="×">x</normalizedToken>
(6.1
<normalizedToken originalValue=")5.67.28.7(">-)5.6-7.2-8.7(-</normalizedToken>
8.6)
<normalizedToken originalValue="µm">µm</normalizedToken>
, thin-walled, hyaline. Pleurocystidia similar to cheilocystidia, not abundant. Hymenophoral trama subregular, with poorly defined mediostratum. Pileipellis a tomentum composed of irregularly arranged hyphae, the latter cylindrical, of similar shape, 3.8-5.1(6.5)
<normalizedToken originalValue="µm">µm</normalizedToken>
wide, slightly thick-walled (0.5
<normalizedToken originalValue="µm">µm</normalizedToken>
), with brownish intracellular pigment (persistent in 5% KOH), smooth, with pulverulence in places. Stipitipellis a tomentocutis composed of elements similar to the pileipellis. Partial veil composed of cylindrical hyphae, 3-6
<normalizedToken originalValue="µm">µm</normalizedToken>
wide, thin-walled and smooth. Clamp connections present in pileipellis tissue, small, frequent.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="115" type="additional collections">
<paragraph pageId="0" pageNumber="115">Additional collections.</paragraph>
<paragraph pageId="0" pageNumber="115">
BENIN, Atacora Province, Kota,
<geoCoordinate direction="north" orientation="latitude" precision="1" value="10.211333">10°12.680'N</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="1" value="1.4453833">1°26.723'E</geoCoordinate>
, 30 Aug. 1997, 490 m a.s.l., gallery forest with
<taxonomicName class="Magnoliopsida" family="Fabaceae" genus="Berlinia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Berlinia grandiflora" order="Fabales" pageId="0" pageNumber="115" phylum="Tracheophyta" rank="species" species="grandiflora">Berlinia grandiflora</taxonomicName>
and
<taxonomicName class="Magnoliopsida" family="Phyllanthaceae" genus="Uapaca" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Uapaca guineensis" order="Malpighiales" pageId="0" pageNumber="115" phylum="Tracheophyta" rank="species" species="guineensis">Uapaca guineensis</taxonomicName>
, De Kesel 2023 (BR 5020074869827); ibidem,
<geoCoordinate direction="north" orientation="latitude" precision="1" value="10.21165">10°12.699'N</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="1" value="1.4464333">1°26.786'E</geoCoordinate>
, 17 Jun. 2000, 490 m a.s.l., De Kesel 2824 (BR 5020126377836); ibidem,
<geoCoordinate direction="north" orientation="latitude" precision="1" value="10.211083">10°12.665'N</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="1" value="1.4458333">1°26.750'E</geoCoordinate>
, 30 Jun. 2002, 510 m a.s.l., De Kesel 3500 (BR 5020152209163); Borgou Province, Wari Maro,
<geoCoordinate direction="north" orientation="latitude" precision="1" value="9.164733">9°09.884'N</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="1" value="2.1599166">2°09.595'E</geoCoordinate>
, 20 Jun. 1998, 300 m a.s.l., savannah woodland with
<taxonomicName class="Magnoliopsida" family="Fabaceae" genus="Isoberlinia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoberlinia doka" order="Fabales" pageId="0" pageNumber="115" phylum="Tracheophyta" rank="species" species="doka">Isoberlinia doka</taxonomicName>
Craib &amp; Stapf and
<taxonomicName class="Magnoliopsida" family="Phyllanthaceae" genus="Uapaca" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Uapaca togoensis" order="Malpighiales" pageId="0" pageNumber="115" phylum="Tracheophyta" rank="species" species="togoensis">Uapaca togoensis</taxonomicName>
Pax, De Kesel 2163 (BR 5020112674574); BURUNDI, Bururi Province, Mugara,
<geoCoordinate direction="south" orientation="latitude" precision="925" value="-4.0333333">04°02'S</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="925" value="29.516666">29°31'E</geoCoordinate>
, 16 Nov. 1978, 1050 m a.s.l.,
<taxonomicName class="Magnoliopsida" family="Fabaceae" genus="Brachystegia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Brachystegia" order="Fabales" pageId="0" pageNumber="115" phylum="Tracheophyta" rank="genus">Brachystegia</taxonomicName>
woodland, Rammeloo 5720 (BR 5020019368651);); ibid., 18 Nov. 1978, Rammeloo 5788 (BR 5020019374713); ibid., 20 Nov. 1978, Rammeloo 5811 (BR 5020032463654); ibid., 29 Nov. 1978, 950-1050 m a.s.l.,
<taxonomicName class="Magnoliopsida" family="Fabaceae" genus="Brachystegia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Brachystegia" order="Fabales" pageId="0" pageNumber="115" phylum="Tracheophyta" rank="genus">Brachystegia</taxonomicName>
woodland, Rammeloo 5922 (BR 5020019378759); ibid., Rumonge-Mutambara,
<geoCoordinate direction="south" orientation="latitude" precision="1" value="-4.0126">4°0.756'S</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="1" value="29.493317">29°29.599'E</geoCoordinate>
, 11 Jan. 2011, 950 m a.s.l., miombo woodland with
<taxonomicName class="Magnoliopsida" family="Fabaceae" genus="Brachystegia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Brachystegia utilis" order="Fabales" pageId="0" pageNumber="115" phylum="Tracheophyta" rank="species" species="utilis">Brachystegia utilis</taxonomicName>
Burtt Davy &amp; Hutch. and
<taxonomicName lsidName="B. bussei" pageId="0" pageNumber="115" rank="species" species="bussei">B. bussei</taxonomicName>
Harms, Degreef 673 (BR); GUINEA,
<normalizedToken originalValue="Labé">Labe</normalizedToken>
Prefecture, Fouta Djalon, N of Tountourou, 13 Jul. 1988, 1000 m a.s.l., mountain woodland with
<taxonomicName class="Magnoliopsida" family="Phyllanthaceae" genus="Uapaca" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Uapaca chevalieri" order="Malpighiales" pageId="0" pageNumber="115" phylum="Tracheophyta" rank="species" species="chevalieri">Uapaca chevalieri</taxonomicName>
Beille, Thoen 7977 (BR 5020003130264); DR CONGO, Upper Katanga Province, near Kisangwe, Mikembo sanctuary,
<geoCoordinate direction="south" orientation="latitude" precision="1" value="-11.479834">11°28.790'S</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="1" value="27.672783">27°40.367'E</geoCoordinate>
, 2 Feb. 2012, 1170 m a.s.l., miombo woodland with
<taxonomicName class="Magnoliopsida" family="Fabaceae" genus="Julbernardia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Julbernardia globiflora" order="Fabales" pageId="0" pageNumber="115" phylum="Tracheophyta" rank="species" species="globiflora">Julbernardia globiflora</taxonomicName>
(Benth.) Troupin and
<taxonomicName class="Magnoliopsida" family="Fabaceae" genus="Brachystegia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Brachystegia" order="Fabales" pageId="0" pageNumber="115" phylum="Tracheophyta" rank="genus">Brachystegia</taxonomicName>
spp, De Kesel 5026 (BR 5020212174363V); MALAWI, Nkhata bay district, Chisosira, 16 miles south of Chinteche, 3 Jan. 1978, woodland with
<taxonomicName class="Magnoliopsida" family="Fabaceae" genus="Brachystegia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Brachystegia spiciformis" order="Fabales" pageId="0" pageNumber="115" phylum="Tracheophyta" rank="species" species="spiciformis">Brachystegia spiciformis</taxonomicName>
Benth., 450 m a.s.l., E. Tybaert 141 (BR 5020019389861, dupl. GENT); MOZAMBIQUE, Nambula Province, Natala, Reserva de Mecuburi, 27 Jan. 2011, leg. M.
<normalizedToken originalValue="Härkönen">Haerkoenen</normalizedToken>
, Marja
<normalizedToken originalValue="Härkönen">Haerkoenen</normalizedToken>
201131 (H 7016064); TOGO, Central Province, Kparatao (towards Bassar),
<geoCoordinate direction="north" orientation="latitude" precision="1" value="9.193833">09°11.630'N</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="1" value="0.9855667">0°59.134'E</geoCoordinate>
, 14 Jul. 2007, 580 m a.s.l., miombo woodland with
<taxonomicName class="Magnoliopsida" family="Phyllanthaceae" genus="Uapaca" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Uapaca togoensis" order="Malpighiales" pageId="0" pageNumber="115" phylum="Tracheophyta" rank="species" species="togoensis">Uapaca togoensis</taxonomicName>
and
<taxonomicName class="Magnoliopsida" family="Dipterocarpaceae" genus="Monotes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Monotes kerstingii" order="Malvales" pageId="0" pageNumber="115" phylum="Tracheophyta" rank="species" species="kerstingii">Monotes kerstingii</taxonomicName>
Gilg., De Kesel 4359 (BR 5020163710719, duplicate in TOGO); ZIMBABWE, Midlands Province, Mtao Forest,
<geoCoordinate direction="south" orientation="latitude" precision="1" value="-19.368017">19°22.081'S</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="1" value="30.67305">30°40.383'E</geoCoordinate>
, 11 Feb. 1999, 1500 m a.s.l., extensively grazed miombo woodland, under
<taxonomicName class="Magnoliopsida" family="Fabaceae" genus="Brachystegia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Brachystegia spiciformis" order="Fabales" pageId="0" pageNumber="115" phylum="Tracheophyta" rank="species" species="spiciformis">Brachystegia spiciformis</taxonomicName>
, De Kesel 2453 (BR 5020112623060).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="115" type="ethnomycological data">
<paragraph pageId="0" pageNumber="115">Ethnomycological data.</paragraph>
<paragraph pageId="0" pageNumber="115">
except for Mozambique and Zimbabwe, no local names or uses were collected. The local name in Mozambique (in Makua) is Ettuli ya Khapa (coll. Marja
<normalizedToken originalValue="Härkönen">Haerkoenen</normalizedToken>
201131), which means tortoise shell. The local name in Zimbabwe (in chiShona) is dindindi java (
<bibRefCitation author="Sharp, C" journalOrPublisher="Directory publishers, Bulawayo" pageId="0" pageNumber="115" title="A pocket guide to mushrooms in Zimbabwe. Vol. 1: some common species." year="2011">Sharp 2011</bibRefCitation>
). The species is not used for consumption.
</paragraph>
<caption pageId="0" pageNumber="115">
<paragraph pageId="0" pageNumber="115">
Figure 2.
<taxonomicName class="Agaricomycetes" family="Boletaceae" genus="Pulveroboletus" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Pulveroboletus africanus" order="Boletales" pageId="0" pageNumber="115" phylum="Basidiomycota" rank="species" species="africanus">Pulveroboletus africanus</taxonomicName>
(De Kesel 4650, holotype): a basidiomes b basidiospores c basidia d cheilocystidia e pleurocystidia f pileipellis hyphae with intracellular pigments and tiny clamps. Scale bars: 25mm (a), 10µm (b), 25µm (c), 25µm (d, e), 50µm (f).
</paragraph>
</caption>
</subSubSection>
</treatment>
</document>