<documentid="816DAF148672678E7BD5AAC0B33168B3"ID-DOI="10.11646/phytotaxa.654.1.1"ID-ISSN="1179-3163"ID-Zenodo-Dep="13217065"IM.bibliography_approvedBy="felipe"IM.illustrations_approvedBy="felipe"IM.materialsCitations_approvedBy="felipe"IM.tables_requiresApprovalFor="GgImagineBatch"IM.taxonomicNames_approvedBy="felipe"IM.treatmentCitations_approvedBy="felipe"IM.treatments_approvedBy="felipe"checkinTime="1722603420905"checkinUser="felipe"docAuthor="Karstedt, Fernanda, Bergemann, Sarah E., Gates, Genevieve, Ratkowsky, David, Cunha, Kelmer Martins & Capelari, Marina"docDate="2024"docId="19575B6276030C7AFF4A8822BB4DA70E"docLanguage="en"docName="phytotaxa.654.1.1.pdf"docOrigin="Phytotaxa 654 (1)"docSource="http://dx.doi.org/10.11646/phytotaxa.654.1.1"docStyle="DocumentStyle:F08184CE06D8A97EA3E6DE35D99648B0.4:Phytotaxa.2014-.monograph"docStyleId="F08184CE06D8A97EA3E6DE35D99648B0"docStyleName="Phytotaxa.2014-.monograph"docStyleVersion="4"docTitle="Entoloma amazonicum Karstedt & Capelari, sp. nov."docType="treatment"docVersion="3"lastPageNumber="22"masterDocId="E56E231A76100C6FFFC28B04BF42A566"masterDocTitle="Species of Entoloma (Entolomataceae) with cuboidal basidiospores from Brazil"masterLastPageNumber="76"masterPageNumber="1"pageNumber="20"updateTime="1722810591406"updateUser="ExternalLinkService">
<mods:affiliationid="6DBD23B8D1FA56DECBEFE8A78B122B02">Instituto de Botânica, Núcleo de Pesquisa em Micologia, Caixa Postal 68041, 04045 - 902 São Paulo, SP, Brazil</mods:affiliation>
<mods:affiliationid="1AF2BFB7FBF78F8D05CAB2C3E8A193FF">Tasmanian Institute of Agriculture, Private Bag 98, Hobart, Tas. 7001, Australia.</mods:affiliation>
<mods:affiliationid="80B671DCD09FB2DAACD2E5763D90E5A3">Instituto de Botânica, Núcleo de Pesquisa em Micologia, Caixa Postal 68041, 04045 - 902 São Paulo, SP, Brazil</mods:affiliation>
<taxonomicNameid="56FE91F776030C7CFF4A8822BDC2A626"authority="Karstedt & Capelari"authorityName="Karstedt & Capelari"box="[136,640,806,833]"class="Agaricomycetes"family="Entolomataceae"genus="Entoloma"kingdom="Fungi"order="Agaricales"pageId="19"pageNumber="20"phylum="Basidiomycota"rank="species"species="amazonicum"status="sp. nov.">
<figureCitationid="09C5F6F176030C7CFF4A884EBF94A603"box="[136,214,842,869]"captionStart="FIGURE 5"captionStartId="20.[136,229,1955,1977]"captionTargetBox="[196,1388,203,1926]"captionTargetId="figure-22@20.[182,1402,189,1927]"captionTargetPageId="20"captionText="FIGURE 5. Entoloma amazonicum: a–b. basidiospores: a. FK1814; b. FK1815; c–d. basidia: c. FK1815; d. FK1814; e–g. cheilocystidia: e. FK1814; f. FK1815; g. 11RMT126; h. pseudocystidia (FK1814); i. pileipellis (FK1790). Scales: a–h: 10 µm, i: 20 µm."figureDoi="http://doi.org/10.5281/zenodo.13217075"httpUri="https://zenodo.org/record/13217075/files/figure.png"pageId="19"pageNumber="20">Figs. 5</figureCitation>
<figureCitationid="09C5F6F176030C7CFF20884EBE64A602"box="[226,294,842,868]"captionStart="FIGURE 10"captionStartId="29.[136,229,1819,1841]"captionTargetBox="[282,1303,326,1787]"captionTargetId="figure-79@29.[273,1312,317,1791]"captionTargetPageId="29"captionText="FIGURE 10. Microphotography of basidiospores in electron microscopy: a–c. Entoloma acutipallidum (11RMT078); d–f. E. amazonicum (FK1815); g–i. E. arenicola (FK1811); j–m. E. capes (FK2096), n–p. E. caxiuanense (FK1871). Scale: 5 µm."figureDoi="http://doi.org/10.5281/zenodo.13217085"httpUri="https://zenodo.org/record/13217085/files/figure.png"pageId="19"pageNumber="20">10d–f</figureCitation>
<figureCitationid="09C5F6F176030C7CFEF0884EBE34A602"box="[306,374,842,868]"captionStart="FIGURE 34"captionStartId="65.[136,229,1813,1835]"captionTargetBox="[299,1289,544,1778]"captionTargetId="figure-149@65.[290,1297,535,1787]"captionTargetPageId="65"captionText="FIGURE 34. Basidiomas: a–b. Entoloma amazonicum: a. FK1815; b. FK1814; c. E. luteobrunneum (FK1693); d. E. gatesianum (ACM498). Photos: a–c: F. Karstedt; d: A.C. Magnago. Scale: 1 cm."figureDoi="http://doi.org/10.5281/zenodo.13217133"httpUri="https://zenodo.org/record/13217133/files/figure.png"pageId="19"pageNumber="20">34a–b</figureCitation>
is characterised by the combination of a basidiome with a brown pileus tending to ochraceous, white lamellae, whitish fibrous stipe, and the presence of pseudocystidia as well as the cuboidal basidiospores.
<materialsCitationid="2196E02976030C7CFF4A8F22BFA0A139"collectingDate="2011-02-10"collectorName="F. Karstedt"country="Brazil"county="Type"location="Caxiuana National Forest"municipality="Caxiuana"pageId="19"pageNumber="20"specimenCount="1"stateProvince="Para"typeStatus="holotype">
<locationid="9421BCAF76030C7CFE1D8F22BD99A15D"LSID="urn:lsid:plazi:treatment:19575B6276030C7AFF4A8822BB4DA70E:9421BCAF76030C7CFE1D8F22BD99A15D"box="[479,731,1062,1084]"country="Brazil"county="Type"municipality="Caxiuana"name="Caxiuana National Forest"pageId="19"pageNumber="20"stateProvince="Para">Caxiuanã National Forest</location>
<collectingDateid="F504355C76030C7CFC468F22BB77A15D"box="[900,1077,1062,1084]"pageId="19"pageNumber="20"value="2011-02-10">10 February 2011</collectingDate>
diam., conical, conico-campanulate, broadly conical or applanate with conical center, ochre, brownish ochre with center slightly paler than margin, glabrous, sometimes slightly waxy, translucent-striate, hygrophanous, surface slightly adpressed-fibrillose, margin in youth involute, becoming straight, smooth or slightly crenulate.
, cylindrical or slightly attenuated upwards, centrally attached, white or sordid white (off-white), beige or slightly grey-brown, sometimes more brownish at the base, glabrous, fibrillose, slightly striate and twisted, hollow, with white basal tomentum.
formed by parallel, cylindrical or cylindrically twisted hyphae, 2.5–19 µm diam. (n = 32/3), hyaline or with straw yellow or honey-colored intracellular pigment (in NH
a cutis formed by prostrate and sometimes entangled, cylindrical hyphae, 3.7–12.5 µm diam. (n = 45/3), usually with yellowish brown, brown, straw yellow or hyaline intracellular pigment, sometimes coagulated, thin-walled, septate; terminal hyphae cylindrical with a rounded or slightly clavate apex, prostrate.
<paragraphid="9141EA7476050C7AFF7F8B9ABC10A5DF"blockId="21.[136,1452,158,617]"box="[189,850,158,185]"pageId="21"pageNumber="22">Habitat:—Gregarious, in sandy soil, in the Amazon Forest.</paragraph>
<materialsCitationid="2196E02976050C7AFF7F8BE2BFF6A42E"collectingDate="2011-02-10"collectingDateMax="2011-02-14"collectingDateMin="2011-02-10"collectionCode="R"collectorName="F. Karstedt & Maziero & M. Tassilo"country="Brazil"county="Caxiuana"location="EsecaFlor"municipality="Caxiuana National Forest"pageId="21"pageNumber="22"specimenCount="3"stateProvince="Para">
<typeStatusid="4E4554D676050C7AFF7F8BE2BD49A466"box="[189,523,230,256]"isOtherTypeStatus="true"pageId="21"pageNumber="22">Additional material examined</typeStatus>
<collectingMunicipalityid="7125700E76050C7AFC908BE2BB2DA467"box="[850,1135,230,257]"pageId="21"pageNumber="22">Caxiuanã National Forest</collectingMunicipality>
,
<locationid="9421BCAF76050C7AFBBA8BE2BBAAA466"LSID="urn:lsid:plazi:treatment:19575B6276030C7AFF4A8822BB4DA70E:9421BCAF76050C7AFBBA8BE2BBAAA466"box="[1144,1256,230,256]"country="Brazil"county="Caxiuana"municipality="Caxiuana National Forest"name="EsecaFlor"pageId="21"pageNumber="22"stateProvince="Para">EsecaFlor</location>
<collectingDateid="F504355C76050C7AFD768A0EBCC0A442"box="[692,898,266,292]"pageId="21"pageNumber="22"value="2011-02-14">14 February 2011</collectingDate>
<collectionCodeid="F7EF72B176050C7AFC4D8A0FBCE1A442"box="[911,931,267,292]"country="Chile"name="Departamento de Geologia, Universidad de Chile"pageId="21"pageNumber="22">R</collectionCode>
<taxonomicNameid="56FE91F776050C7AFBB28A57BBBBA40A"authorityName="Blanco-Dios"authorityYear="2015"baseAuthorityName="Karstdet & Capelari"box="[1136,1273,339,364]"class="Agaricomycetes"family="Entolomataceae"genus="Entoloma"kingdom="Fungi"order="Agaricales"pageId="21"pageNumber="22"phylum="Basidiomycota"rank="species"species="cervinum">
<taxonomicNameid="56FE91F776050C7AFA518A73BFB2A4D2"authorityName="Blanco-Dios"authorityYear="2015"baseAuthorityName="Karstdet & Capelari"class="Agaricomycetes"family="Entolomataceae"genus="Entoloma"kingdom="Fungi"order="Agaricales"pageId="21"pageNumber="22"phylum="Basidiomycota"rank="species"species="cervinum">
<figureCitationid="09C5F6F176050C7AFD008A9EBC41A4D2"box="[706,771,410,436]"captionStart="FIGURE 3"captionStartId="16.[136,229,1876,1898]"captionTargetBox="[384,1197,188,1845]"captionTargetId="figure-22@16.[384,1204,186,1850]"captionTargetPageId="16"captionText="FIGURE 3. Phylogenetic reconstruction of the species of Entolomataceae with cuboid basidiospores and related species based on the combined genes (nLSU, mtSSU, rpb2 and tef1). Bootstrap values (> 70%) from the maximum likelihood analysis are indicated above the branches. The species studied here are shown in boldface. AU: Australia, AT: Austria, BZ: Belize, BR: Brazil, CN: China, GY: Guyana, IN: India, MY: Malaysia, NZ: New Zealand, PG: Papua New Guinea, PR: Puerto Rico, RE: La Reunion, UK: Russia, SC: Seychelles, US: United States, VN: Vietnam. Dashed vertical line: have similarity in the morphology but no molecular support."figureDoi="http://doi.org/10.5281/zenodo.13217071"httpUri="https://zenodo.org/record/13217071/files/figure.png"pageId="21"pageNumber="22">Fig. 3</figureCitation>
) proved the absence of a relationship between them and even suggests that the presence of pseudocystidia is a distinctive characteristic. It differs from
, in that the latter has basidiospores with elongated angles, cheilocystidia that vary only from cylindrical to clavate, and by the absence of pseudocystidia (Horak 1976a, 2008).
<taxonomicNameid="56FE91F776050C7AFED1892FBEDBA722"authorityName="Blanco-Dios"authorityYear="2015"baseAuthorityName="Karstdet & Capelari"box="[275,409,555,580]"class="Agaricomycetes"family="Entolomataceae"genus="Entoloma"kingdom="Fungi"order="Agaricales"pageId="21"pageNumber="22"phylum="Basidiomycota"rank="species"species="cervinum">
in that the latter has a frequently papillate pileus, the basidiospores have elongated angles and there are no pseudocystidia (
<bibRefCitationid="F56F978576050C7AFE0A894ABDA8A70E"author="Karstedt, F. & Capelari, M."box="[456,746,590,616]"pageId="21"pageNumber="22"pagination="279 - 308"refId="ref39378"refString="Karstedt, F. & Capelari, M. (2013) Inocephalus (Entolomataceae, Agaricales) from Sao Paulo State, Brazil. Nova Hedwigia 96: 279 - 308. https: // doi. org / 10.1127 / 0029 - 5035 / 2012 / 0055"type="journal article"year="2013">Karstedt & Capelari 2013</bibRefCitation>