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<document id="956E58E4BA330C93E0094638B719A3C5" ID-CLB-Dataset="20323" ID-DOI="10.11646/phytotaxa.536.3.3" ID-GBIF-Dataset="bf5e3003-038b-48b4-a214-1fc1a73cd921" ID-ISSN="1179-3163" ID-Zenodo-Dep="6331876" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1646592230445" checkinUser="plazi" docAuthor="Santos, Maria Aparecida Dos, Ramos, Geraldo José Peixoto &amp; Moura, Carlos Wallace Do Nascimento" docDate="2022" docId="5921D53AFFF1AC0C47A8FC4DFD2FFF0B" docLanguage="en" docName="phytotaxa.536.3.3.pdf" docOrigin="Phytotaxa 536 (3)" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.7:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="7" docTitle="Xanthidium verrucosum M. A. Santos, G. J. P. Ramos &amp; C. W. N. Moura 2022, sp. nov." docType="treatment" docVersion="7" lastPageNumber="240" masterDocId="A518AD42FFFAAC004720FF23FFD5FFD6" masterDocTitle="Taxonomic notes on genera Bourrellyodesmus and Xanthidium (Zygnematophyceae) from Chapada Diamantina, Bahia, Brazil" masterLastPageNumber="242" masterPageNumber="228" pageNumber="239" updateTime="1699316742410" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:titleInfo id="93442CC817AFA0D78A57E2BFB43F6A69">
<mods:title id="333411B9CCD4D1E922FD45A7DC95CFF3">Taxonomic notes on genera Bourrellyodesmus and Xanthidium (Zygnematophyceae) from Chapada Diamantina, Bahia, Brazil</mods:title>
</mods:titleInfo>
<mods:name id="482780BEB0FA18F8A614EB13446B62B4" type="personal">
<mods:role id="A1E687D5EEE5A96D05DB83413FD213B8">
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<mods:namePart id="FC2DD8F94D2F2C2553BFD9AF1BCD3434">Santos, Maria Aparecida Dos</mods:namePart>
<mods:nameIdentifier id="A10874166DCD88D437C0B0798E5B8894" type="ORCID">0000-0001-9354-7192</mods:nameIdentifier>
<mods:affiliation id="6A2824BE43333EF8DB698F096004538C">Programa de Pós-Graduação em Botânica, Universidade Estadual de Feira de Santana, Departamento de Ciências Biológicas, Laboratório de Ficologia, Av. Universitária, km 3, BR- 116, 44031 - 460, Feira de Santana, BA, Brazil &amp; maria. asbio @ hotmail. com; https: // orcid. org / 0000 - 0001 - 9354 - 7192</mods:affiliation>
<mods:nameIdentifier id="A7D1501BF9F0D0C199795FD38B6D4552" type="email">maria.asbio@hotmail.com</mods:nameIdentifier>
</mods:name>
<mods:name id="E1F3406C64074DC8D5E4D3896FB221B8" type="personal">
<mods:role id="70B6887D2A58055372E4765C5B1BAB04">
<mods:roleTerm id="49D1AB9107BD3962A8055B76B997AC34">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="3FDE3D20F5317EBC68EB32C403ACF601">Ramos, Geraldo José Peixoto</mods:namePart>
<mods:nameIdentifier id="B30047BEE3241BC61BAD8C53CB02B317" type="ORCID">0000-0003-2089-0461</mods:nameIdentifier>
<mods:affiliation id="E44A1DD158B626EA2081870E2AA558E2">Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, Rodovia Jorge Amado, km 16, 45662 - 900, Ilhéus, BA, Brazil &amp; gjpramos @ uesc. br; https: // orcid. org / 0000 - 0003 - 2089 - 0461</mods:affiliation>
<mods:nameIdentifier id="2B5566034D9B18936B64DA74D29EC0F2" type="email">gjpramos@uesc.br</mods:nameIdentifier>
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<mods:name id="C496EACD8C8F838A1B7D0AD4CEABA542" type="personal">
<mods:role id="1FB57A33506AB0EFA593D1069BEEBA54">
<mods:roleTerm id="3E57B9C32D0C116AC82D43E9AE0498B5">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="818DEF86E90B01EAE4D3A39F0AE5F53F">Moura, Carlos Wallace Do Nascimento</mods:namePart>
<mods:nameIdentifier id="96F25DCA14AE8B2BA583F83E3FB9B079" type="ORCID">0000-0001-6904-6603</mods:nameIdentifier>
<mods:affiliation id="F3BDA1CE7D264A215BD1ACDA5F411DAA">Programa de Pós-Graduação em Botânica, Universidade Estadual de Feira de Santana, Departamento de Ciências Biológicas, Laboratório de Ficologia, Av. Universitária, km 3, BR- 116, 44031 - 460, Feira de Santana, BA, Brazil &amp; wallace @ uefs. br; https: // orcid. org / 0000 - 0001 - 6904 - 6603</mods:affiliation>
<mods:nameIdentifier id="2D4A2DEB901167651FD354892309A0D1" type="email">wallace@uefs.br</mods:nameIdentifier>
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<mods:title id="C751C7BB2168174D151F79F83F41D6AD">Phytotaxa</mods:title>
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<mods:part id="C6B0FE828E0EF865CF662B8E114B152E">
<mods:date id="5AA7A92E453597C9FBEA6EDB8867CD98">2022</mods:date>
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<mods:number id="F2E842BFE2BA81843395E88F148B3C08">2022-02-28</mods:number>
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<mods:detail id="ED3C3B1E9C6B791DA473E5CFC050F451" type="volume">
<mods:number id="FA5C88441793D246A77BCC63E1574091">536</mods:number>
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<mods:number id="A3AF441E9B2F5DB8AB7E439EB271AE12">3</mods:number>
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<mods:classification id="80573438BF05D11E795E839627F0F747">journal article</mods:classification>
<mods:identifier id="478ECEC355DD4FFFEBA2F077D85C763D" type="CLB-Dataset">20323</mods:identifier>
<mods:identifier id="07C8A97741F7851F3A8A3FA4923C8941" type="DOI">10.11646/phytotaxa.536.3.3</mods:identifier>
<mods:identifier id="E3EE6D7ECDF1C2CDE0E31CFFE0645C42" type="GBIF-Dataset">bf5e3003-038b-48b4-a214-1fc1a73cd921</mods:identifier>
<mods:identifier id="31BF6DD1ED61C5A5D7754C27F65E8F01" type="ISSN">1179-3163</mods:identifier>
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<treatment id="5921D53AFFF1AC0C47A8FC4DFD2FFF0B" ID-DOI="http://doi.org/10.5281/zenodo.6333074" ID-GBIF-Taxon="193892647" ID-Zenodo-Dep="6333074" LSID="urn:lsid:plazi:treatment:5921D53AFFF1AC0C47A8FC4DFD2FFF0B" httpUri="http://treatment.plazi.org/id/5921D53AFFF1AC0C47A8FC4DFD2FFF0B" lastPageId="12" lastPageNumber="240" pageId="11" pageNumber="239">
<subSubSection id="999237A7FFF1AC0B47A8FC4DFB49FC5F" box="[136,1180,878,905]" pageId="11" pageNumber="239" type="nomenclature">
<paragraph id="D137642CFFF1AC0B47A8FC4DFB49FC5F" blockId="11.[136,1180,878,905]" box="[136,1180,878,905]" pageId="11" pageNumber="239">
<heading id="8A7FD340FFF1AC0B47A8FC4DFB49FC5F" box="[136,1180,878,905]" fontSize="11" level="2" pageId="11" pageNumber="239" reason="3">
<taxonomicName id="16881FAFFFF1AC0B47A8FC4DFC5BFC5E" authority="M.A.Santos, G.J.P.Ramos &amp; C.W.N.Moura" authorityName="M. A. Santos, G. J. P. Ramos &amp; C. W. N. Moura" authorityYear="2022" box="[136,910,878,905]" class="Conjugatophyceae" family="Desmidiaceae" genus="Xanthidium" kingdom="Plantae" order="Zygnematales" pageId="11" pageNumber="239" phylum="Charophyta" rank="species" species="verrucosum" status="sp. nov.">
<emphasis id="E3FCB83EFFF1AC0B47A8FC4DFE76FC5F" bold="true" box="[136,419,878,905]" italics="true" pageId="11" pageNumber="239">Xanthidium verrucosum</emphasis>
M.A.Santos, G.J.P.Ramos &amp; C.W.N.Moura
</taxonomicName>
<emphasis id="E3FCB83EFFF1AC0B44B5FC4CFC3FFC5E" box="[917,1002,879,904]" italics="true" pageId="11" pageNumber="239">
<taxonomicNameLabel id="F8CF0545FFF1AC0B44B5FC4CFC3FFC5E" box="[917,1002,879,904]" pageId="11" pageNumber="239" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
(
<figureCitation id="49B378A9FFF1AC0B44D8FC4DFB94FC5F" box="[1016,1089,878,905]" captionStart="FIGURES 7" captionStartId="3.[136,243,1325,1347]" captionTargetBox="[175,1409,228,1265]" captionTargetId="figure-28@3.[151,1436,190,1301]" captionTargetPageId="3" captionText="FIGURES 7. Line drawings. Xanthidium verrucosum sp.nov." figureDoi="http://doi.org/10.5281/zenodo.6331880" httpUri="https://zenodo.org/record/6331880/files/figure.png" pageId="11" pageNumber="239">Figs 7</figureCitation>
,
<figureCitation id="49B378A9FFF1AC0B436DFC4DFB41FC5F" box="[1101,1172,878,905]" captionStart="FIGURES 48–65" captionStartId="6.[136,243,1953,1975]" captionTargetBox="[213,1386,210,1910]" captionTargetId="figure-19@6.[182,1406,190,1929]" captionTargetPageId="6" captionText="FIGURES 48–65. Xanthidium trilobum (48–54): frontal view (48, 53), lateral view (49), apical view (50), detail of central ornamentation circled on semicell of Fig. 48 (51), cell–division (52), zygospore (54). Xanthidium verrucosum sp. nov. (55–65): frontal view (55, 59, 62–65), lateral view (56, 61), apical view (57–58, 60), morphological variation of the ornamentation (55, 65) and spines size (63–65). Cell formation (65), showing a tiny spine on the basal lobe (arrows). Scale Bar: 40 μm, except Fig. 54 (50 μm, horizontal bar)." figureDoi="http://doi.org/10.5281/zenodo.6331886" httpUri="https://zenodo.org/record/6331886/files/figure.png" pageId="11" pageNumber="239">55–65</figureCitation>
)
</heading>
</paragraph>
</subSubSection>
<subSubSection id="999237A7FFF1AC0B47A8FC95FB98FB1A" pageId="11" pageNumber="239" type="diagnosis">
<paragraph id="D137642CFFF1AC0B47A8FC95FB98FB1A" blockId="11.[136,1452,950,2093]" pageId="11" pageNumber="239">
<emphasis id="E3FCB83EFFF1AC0B47A8FC95FF2EFC06" bold="true" box="[136,251,950,976]" pageId="11" pageNumber="239">Diagnosis</emphasis>
:—Cell approximately as long as broad (excluding spines), deeply constricted, sinus narrow, linear. Semicells semicircular, lateral margins convex, decorated with six pairs of upward-facing spines (four arranged at the apical margin and two spines at lateral, near the apical margin of semicells), with mamillate base; sometimes one pair of tiny spines straight in each basal angle; three or four large warts in the semicells center; semicell subcircular in lateral view; elliptic in apical view, with a pair of spines in the angles, and 3–4 warts on each side. Cell wall hyaline, sometimes brownish, punctate, with 3–4 median facial warts. Chloroplast with two pyrenoids per semicell. No zygospores were observed. Cell dimensions: length without spines 55–58 μm, with spines 67–95 μm, width without spines 51–55 μm, with spines 63–95 μm, thickness 42–50 µm, isthmus 33–34 μm, spines 9–25 μm long.
</paragraph>
</subSubSection>
<subSubSection id="999237A7FFF1AC0B479DFBF5FF2BF9C7" pageId="11" pageNumber="239" type="materials_examined">
<paragraph id="D137642CFFF1AC0B479DFBF5FC40FAC3" blockId="11.[136,1452,950,2093]" pageId="11" pageNumber="239">
<materialsCitation id="61E06E71FFF1AC0B479DFBF5FC40FAC3" ID-GBIF-Occurrence="3698904303" collectionCode="HUEFS" location="Herbarium of State University" municipality="State University of Feira de Santana" pageId="11" pageNumber="239" specimenCode="HUEFS 253753" specimenCount="1" typeStatus="holotype">
<emphasis id="E3FCB83EFFF1AC0B479DFBF5FEFFFB26" bold="true" box="[189,298,1238,1264]" pageId="11" pageNumber="239">
<typeStatus id="0E33DA8EFFF1AC0B479DFBF5FEFFFB26" box="[189,298,1238,1264]" pageId="11" pageNumber="239" type="holotype">Holotype</typeStatus>
</emphasis>
:—Material numbered (
<specimenCode id="812ECC57FFF1AC0B4519FBF5FD2DFB27" box="[569,760,1238,1265]" collectionCode="HUEFS" country="Brazil" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15506" lsid="urn:lsid:biocol.org:col:15506" name="Universidade Estadual de Feira de Santana" pageId="11" pageNumber="239" type="Herbarium">HUEFS 253753</specimenCode>
!) [pro parte], deposited at
<location id="D45732F7FFF1AC0B430DFBF5FA5FFB26" LSID="urn:lsid:plazi:treatment:5921D53AFFF1AC0C47A8FC4DFD2FFF0B:D45732F7FFF1AC0B430DFBF5FA5FFB26" box="[1069,1418,1238,1264]" municipality="State University of Feira de Santana" name="Herbarium of State University" pageId="11" pageNumber="239">
Herbarium of
<collectingMunicipality id="3153FE56FFF1AC0B43F2FBF5FA5FFB26" box="[1234,1418,1238,1264]" pageId="11" pageNumber="239">State University</collectingMunicipality>
</location>
of Feira de Santana, population partially illustrated here (
<figureCitation id="49B378A9FFF1AC0B45CAFBD9FCE6FAC3" box="[746,819,1274,1301]" captionStart="FIGURES 7" captionStartId="3.[136,243,1325,1347]" captionTargetBox="[175,1409,228,1265]" captionTargetId="figure-28@3.[151,1436,190,1301]" captionTargetPageId="3" captionText="FIGURES 7. Line drawings. Xanthidium verrucosum sp.nov." figureDoi="http://doi.org/10.5281/zenodo.6331880" httpUri="https://zenodo.org/record/6331880/files/figure.png" pageId="11" pageNumber="239">Figs 7</figureCitation>
,
<figureCitation id="49B378A9FFF1AC0B441FFBD9FC5FFAC3" box="[831,906,1274,1301]" captionStart="FIGURES 48–65" captionStartId="6.[136,243,1953,1975]" captionTargetBox="[213,1386,210,1910]" captionTargetId="figure-19@6.[182,1406,190,1929]" captionTargetPageId="6" captionText="FIGURES 48–65. Xanthidium trilobum (48–54): frontal view (48, 53), lateral view (49), apical view (50), detail of central ornamentation circled on semicell of Fig. 48 (51), cell–division (52), zygospore (54). Xanthidium verrucosum sp. nov. (55–65): frontal view (55, 59, 62–65), lateral view (56, 61), apical view (57–58, 60), morphological variation of the ornamentation (55, 65) and spines size (63–65). Cell formation (65), showing a tiny spine on the basal lobe (arrows). Scale Bar: 40 μm, except Fig. 54 (50 μm, horizontal bar)." figureDoi="http://doi.org/10.5281/zenodo.6331886" httpUri="https://zenodo.org/record/6331886/files/figure.png" pageId="11" pageNumber="239">52–62</figureCitation>
).
</materialsCitation>
</paragraph>
<paragraph id="D137642CFFF1AC0B479DFA3DFEDFFA8A" blockId="11.[136,1452,950,2093]" pageId="11" pageNumber="239">
<materialsCitation id="61E06E71FFF1AC0B479DFA3DFED0FA8A" ID-GBIF-Occurrence="3698904304" collectionCode="HUEFS" location="Herbarium of State University" municipality="State University of Feira de Santana" pageId="11" pageNumber="239" specimenCode="HUEFS 253766" specimenCount="1" typeStatus="paratype">
<emphasis id="E3FCB83EFFF1AC0B479DFA3DFEFFFAEE" bold="true" box="[189,298,1310,1336]" pageId="11" pageNumber="239">
<typeStatus id="0E33DA8EFFF1AC0B479DFA3DFEFFFAEE" box="[189,298,1310,1336]" pageId="11" pageNumber="239" type="paratype">Paratype</typeStatus>
</emphasis>
:—Material numbered (
<specimenCode id="812ECC57FFF1AC0B4510FA3DFD33FAEF" box="[560,742,1310,1337]" collectionCode="HUEFS" country="Brazil" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15506" lsid="urn:lsid:biocol.org:col:15506" name="Universidade Estadual de Feira de Santana" pageId="11" pageNumber="239" type="Herbarium">HUEFS 253766</specimenCode>
) [pro parte], deposited at
<location id="D45732F7FFF1AC0B4320FA3DFA9AFAEE" LSID="urn:lsid:plazi:treatment:5921D53AFFF1AC0C47A8FC4DFD2FFF0B:D45732F7FFF1AC0B4320FA3DFA9AFAEE" box="[1024,1359,1310,1336]" municipality="State University of Feira de Santana" name="Herbarium of State University" pageId="11" pageNumber="239">
Herbarium of
<collectingMunicipality id="3153FE56FFF1AC0B43BBFA3DFA9AFAEE" box="[1179,1359,1310,1336]" pageId="11" pageNumber="239">State University</collectingMunicipality>
</location>
of Feira de Santana
</materialsCitation>
.
</paragraph>
<paragraph id="D137642CFFF1AC0B479DFA45FB5AFA73" blockId="11.[136,1452,950,2093]" pageId="11" pageNumber="239">
<emphasis id="E3FCB83EFFF1AC0B479DFA45FE8CFA56" bold="true" box="[189,345,1382,1408]" pageId="11" pageNumber="239">Type locality</emphasis>
:—
<materialsCitation id="61E06E71FFF1AC0B465BFA45FDC1FA73" ID-GBIF-Occurrence="3698904312" collectingDate="2018-04-09" collectionCode="M, A" country="Brazil" county="Andarai" latitude="-12.764556" location="Lagoa do Baiano" longLatPrecision="1" longitude="-41.30958" municipality="Marimbus do Baiano" pageId="11" pageNumber="239" specimenCount="1" stateProvince="Bahia">
<collectingCountry id="A99F24BCFFF1AC0B465BFA45FE33FA56" box="[379,486,1382,1408]" name="Brazil" pageId="11" pageNumber="239">BRAZIL</collectingCountry>
.
<collectingRegion id="134CAACEFFF1AC0B46D3FA45FDECFA56" box="[499,569,1382,1408]" country="Brazil" name="Bahia" pageId="11" pageNumber="239">Bahia</collectingRegion>
:
<collectingCounty id="38561CA0FFF1AC0B4564FA45FD74FA56" box="[580,673,1382,1408]" pageId="11" pageNumber="239">Andaraí</collectingCounty>
,
<collectingMunicipality id="3153FE56FFF1AC0B458FFA45FC71FA56" box="[687,932,1382,1408]" pageId="11" pageNumber="239">Marimbus do Baiano</collectingMunicipality>
,
<location id="D45732F7FFF1AC0B4493FA44FBAFFA56" LSID="urn:lsid:plazi:treatment:5921D53AFFF1AC0C47A8FC4DFD2FFF0B:D45732F7FFF1AC0B4493FA44FBAFFA56" box="[947,1146,1382,1409]" country="Brazil" county="Andarai" latitude="-12.764556" longLatPrecision="1" longitude="-41.30958" municipality="Marimbus do Baiano" name="Lagoa do Baiano" pageId="11" pageNumber="239" stateProvince="Bahia">Lagoa do Baiano</location>
,
<location id="D45732F7FFF1AC0B43A9FA44FB60FA57" LSID="urn:lsid:plazi:treatment:5921D53AFFF1AC0C47A8FC4DFD2FFF0B:D45732F7FFF1AC0B43A9FA44FB60FA57" box="[1161,1205,1383,1409]" country="Brazil" county="Andarai" latitude="-12.764556" longLatPrecision="1" longitude="-41.30958" municipality="Marimbus do Baiano" name="Lat." pageId="11" pageNumber="239" stateProvince="Bahia">Lat.</location>
<geoCoordinate id="B4BC02EBFFF1AC0B439FFA45FA8EFA57" box="[1215,1371,1382,1409]" degrees="12" direction="south" minutes="45" orientation="latitude" pageId="11" pageNumber="239" precision="1" seconds="52.4" value="-12.764556">12°45’52.4”S</geoCoordinate>
,
<location id="D45732F7FFF1AC0B4249FA44FA79FA57" LSID="urn:lsid:plazi:treatment:5921D53AFFF1AC0C47A8FC4DFD2FFF0B:D45732F7FFF1AC0B4249FA44FA79FA57" box="[1385,1452,1383,1409]" country="Brazil" county="Andarai" latitude="-12.764556" longLatPrecision="1" longitude="-41.30958" municipality="Marimbus do Baiano" name="Long." pageId="11" pageNumber="239" stateProvince="Bahia">Long.</location>
<geoCoordinate id="B4BC02EBFFF1AC0B47A8FAA9FEF9FA73" box="[136,300,1418,1445]" degrees="41" direction="west" minutes="18" orientation="longitude" pageId="11" pageNumber="239" precision="1" seconds="34.5" value="-41.30958">41°18’34.5”W</geoCoordinate>
,
<date id="A53642ECFFF1AC0B4618FAA9FE03FA72" box="[312,470,1418,1444]" pageId="11" pageNumber="239" value="2018-04-09">
<collectingDate id="B572BB04FFF1AC0B4618FAA9FE03FA72" box="[312,470,1418,1444]" pageId="11" pageNumber="239" value="2018-04-09">09 April 2018</collectingDate>
</date>
,
<emphasis id="E3FCB83EFFF1AC0B46C1FAA8FDC1FA73" box="[481,532,1419,1445]" italics="true" pageId="11" pageNumber="239">
<collectionCode id="B799FCE9FFF1AC0B46C1FAA8FE2DFA72" box="[481,504,1419,1444]" country="Germany" lsid="urn:lsid:biocol.org:col:15637" name="Botanische Staatssammlung München" pageId="11" pageNumber="239" type="Herbarium">M</collectionCode>
.
<collectionCode id="B799FCE9FFF1AC0B46DDFAA8FDC1FA73" box="[509,532,1419,1445]" country="USA" lsid="urn:lsid:biocol.org:col:15406" name="Harvard University - Arnold Arboretum" pageId="11" pageNumber="239" type="Herbarium">A</collectionCode>
</emphasis>
</materialsCitation>
<emphasis id="E3FCB83EFFF1AC0B4534FAA8FC9FFA72" box="[532,842,1419,1445]" italics="true" pageId="11" pageNumber="239">
.
<materialsCitation id="61E06E71FFF1AC0B453FFAA8FD4DFA72" ID-GBIF-Occurrence="3698904309" box="[543,664,1419,1445]" collectionCode="J, T" country="Brazil" location="Santos" pageId="11" pageNumber="239" specimenCount="1" stateProvince="Bahia">
<location id="D45732F7FFF1AC0B453FFAA8FDB9FA73" LSID="urn:lsid:plazi:treatment:5921D53AFFF1AC0C47A8FC4DFD2FFF0B:D45732F7FFF1AC0B453FFAA8FDB9FA73" box="[543,620,1419,1445]" country="Brazil" name="Santos" pageId="11" pageNumber="239" stateProvince="Bahia">Santos</location>
,
<collectionCode id="B799FCE9FFF1AC0B4558FAA8FD5DFA72" box="[632,648,1419,1444]" country="South Africa" lsid="urn:lsid:biocol.org:col:14647" name="University of the Witwatersrand" pageId="11" pageNumber="239" type="Herbarium">J</collectionCode>
.
<collectionCode id="B799FCE9FFF1AC0B45ABFAA8FD4DFA72" box="[651,664,1419,1444]" name="Tavera, Department of Geology and Geophysics" pageId="11" pageNumber="239">T</collectionCode>
</materialsCitation>
.
<materialsCitation id="61E06E71FFF1AC0B45BCFAA8FC96FA72" ID-GBIF-Occurrence="3698904302" box="[668,835,1419,1445]" collectionCode="F, M" country="Brazil" location="Neto" pageId="11" pageNumber="239" specimenCount="1" stateProvince="Bahia">
X.
<location id="D45732F7FFF1AC0B459FFAA8FD21FA72" LSID="urn:lsid:plazi:treatment:5921D53AFFF1AC0C47A8FC4DFD2FFF0B:D45732F7FFF1AC0B459FFAA8FD21FA72" box="[703,756,1419,1444]" country="Brazil" name="Neto" pageId="11" pageNumber="239" stateProvince="Bahia">Neto</location>
&amp;
<collectionCode id="B799FCE9FFF1AC0B4437FAA8FCFDFA72" box="[791,808,1419,1444]" country="USA" lsid="urn:lsid:biocol.org:col:15707" name="Field Museum of Natural History, Botany Department" pageId="11" pageNumber="239" type="Herbarium">F</collectionCode>
.
<collectionCode id="B799FCE9FFF1AC0B440CFAA8FC96FA72" box="[812,835,1419,1444]" country="Germany" lsid="urn:lsid:biocol.org:col:15637" name="Botanische Staatssammlung München" pageId="11" pageNumber="239" type="Herbarium">M</collectionCode>
</materialsCitation>
.
</emphasis>
<materialsCitation id="61E06E71FFF1AC0B4471FAA8FB5EFA73" ID-GBIF-Occurrence="3698904317" box="[849,1163,1418,1445]" collectionCode="HUEFS" country="Brazil" pageId="11" pageNumber="239" specimenCode="HUEFS 253753" specimenCount="1" stateProvince="Bahia">
<emphasis id="E3FCB83EFFF1AC0B4471FAA8FC6FFA73" box="[849,954,1419,1445]" italics="true" pageId="11" pageNumber="239">Costa s/n</emphasis>
(
<specimenCode id="812ECC57FFF1AC0B44E9FAA9FB56FA73" box="[969,1155,1418,1445]" collectionCode="HUEFS" country="Brazil" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15506" lsid="urn:lsid:biocol.org:col:15506" name="Universidade Estadual de Feira de Santana" pageId="11" pageNumber="239" type="Herbarium">HUEFS 253753</specimenCode>
)
</materialsCitation>
.
</paragraph>
<paragraph id="D137642CFFF1AC0B479DFA8DFF2BF9C7" blockId="11.[136,1452,950,2093]" pageId="11" pageNumber="239">
<emphasis id="E3FCB83EFFF1AC0B479DFA8DFECCFA1E" bold="true" box="[189,281,1454,1480]" pageId="11" pageNumber="239">Habitat</emphasis>
:—The new species was rarely found in the study area, generally associated to periphyton of
<taxonomicName id="16881FAFFFF1AC0B422BFA8CFA79FA1E" authorityName="A. Gray" authorityYear="1837" box="[1291,1452,1454,1481]" class="Magnoliopsida" family="Cabombaceae" genus="Cabomba" kingdom="Plantae" order="Nymphaeales" pageId="11" pageNumber="239" phylum="Tracheophyta" rank="species" species="caroliniana">
<emphasis id="E3FCB83EFFF1AC0B422BFA8CFA79FA1E" box="[1291,1452,1454,1481]" italics="true" pageId="11" pageNumber="239">C. caroliniana</emphasis>
</taxonomicName>
and
<taxonomicName id="16881FAFFFF1AC0B4798FAF0FEF2FA3A" authorityName="Linnaeus" authorityYear="1753" box="[184,295,1490,1516]" class="Magnoliopsida" family="Lentibulariaceae" genus="Utricularia" kingdom="Plantae" order="Lamiales" pageId="11" pageNumber="239" phylum="Tracheophyta" rank="species" species="foliosa">
<emphasis id="E3FCB83EFFF1AC0B4798FAF0FEF2FA3A" box="[184,295,1490,1516]" italics="true" pageId="11" pageNumber="239">U. foliosa</emphasis>
</taxonomicName>
; EC 0.02 mS.
<superScript id="26FDC964FFF1AC0B46E5FAF1FE22FA36" attach="left" box="[453,503,1490,1516]" fontSize="6" pageId="11" pageNumber="239">cm-1</superScript>
(±0.01);
<collectionCode id="B799FCE9FFF1AC0B4542FAF1FD5FFA3A" box="[610,650,1490,1516]" country="France" lsid="urn:lsid:biocol.org:col:14073" name="Société d'Agriculture Sciences et Arts" pageId="11" pageNumber="239" type="Herbarium">DO</collectionCode>
7.4 (±1.2); TDS 0.02 (±0.01); pH 8.2 (±0.5);
<collectionCode id="B799FCE9FFF1AC0B43B2FAF0FB76FA3B" box="[1170,1187,1491,1517]" name="Tavera, Department of Geology and Geophysics" pageId="11" pageNumber="239">T</collectionCode>
°
<collectionCode id="B799FCE9FFF1AC0B4394FAF1FB1DFA3A" box="[1204,1224,1490,1516]" country="Denmark" name="University of Copenhagen" pageId="11" pageNumber="239" type="Herbarium">C</collectionCode>
30 (±1.4); WT 71.8 (±3.9) cm.
</paragraph>
</subSubSection>
<subSubSection id="999237A7FFF1AC0B479DF939FEF4F98E" pageId="11" pageNumber="239" type="etymology">
<paragraph id="D137642CFFF1AC0B479DF939FEF4F98E" blockId="11.[136,1452,950,2093]" pageId="11" pageNumber="239">
<emphasis id="E3FCB83EFFF1AC0B479DF939FEEBF9E2" bold="true" box="[189,318,1562,1588]" pageId="11" pageNumber="239">Etymology</emphasis>
:—The specific epithet refers to the surface ornamentation composed of warts arranged on the face of the semicells.
</paragraph>
</subSubSection>
<subSubSection id="999237A7FFF1AC0C479DF941FD2FFF0B" lastPageId="12" lastPageNumber="240" pageId="11" pageNumber="239" type="diagnosis">
<paragraph id="D137642CFFF1AC0B479DF941FB9EF912" blockId="11.[136,1452,950,2093]" pageId="11" pageNumber="239">
<emphasis id="E3FCB83EFFF1AC0B479DF941FE17F9AA" bold="true" box="[189,450,1634,1660]" pageId="11" pageNumber="239">Differential diagnosis</emphasis>
:—The present taxon differs from other species of the genus
<taxonomicName id="16881FAFFFF1AC0B4387F941FAFFF9AA" authorityName="Ehrenberg ex Ralfs" authorityYear="1848" box="[1191,1322,1634,1660]" class="Conjugatophyceae" family="Desmidiaceae" genus="Xanthidium" kingdom="Plantae" order="Zygnematales" pageId="11" pageNumber="239" phylum="Charophyta" rank="genus">
<emphasis id="E3FCB83EFFF1AC0B4387F941FAFFF9AA" box="[1191,1322,1634,1660]" italics="true" pageId="11" pageNumber="239">Xanthidium</emphasis>
</taxonomicName>
by having semicircular semicells with convex lateral margins, decorated with six pairs of upward-facing spines with a mamillate base, and ornated with 3–4 large warts on the face of the semicells in the frontal view.
</paragraph>
<paragraph id="D137642CFFF1AC0B479DF9EDFB44F8E6" blockId="11.[136,1452,950,2093]" pageId="11" pageNumber="239">
The newly described species resembles
<taxonomicName id="16881FAFFFF1AC0B45A3F9EDFBE9F93E" authority="Borge (1918: 42)" authorityName="Borge" authorityPageNumber="42" authorityYear="1918" box="[643,1084,1742,1769]" class="Conjugatophyceae" family="Desmidiaceae" genus="Xanthidium" kingdom="Plantae" order="Zygnematales" pageId="11" pageNumber="239" phylum="Charophyta" rank="species" species="paulense">
<emphasis id="E3FCB83EFFF1AC0B45A3F9EDFCA4F93E" box="[643,881,1742,1768]" italics="true" pageId="11" pageNumber="239">Xanthidium paulense</emphasis>
<bibRefCitation id="B51919DDFFF1AC0B4459F9ECFBE9F93E" author="Borge, O." box="[889,1084,1742,1769]" pageId="11" pageNumber="239" pagination="1 - 108" refId="ref7208" refString="Borge, O. (1918) Die von Dr. A. Lofgren in Sao Paulo gessammelten Susswasseralgen. Arkiv for Botanik 15 (13): 1 - 108." type="journal article" year="1918">Borge (1918: 42)</bibRefCitation>
</taxonomicName>
due to the shape and size of the cell, and the arrangement of the spines. However, the latter species differs in that it has superior angles of semicells decorated with single spines, and each semicell face is decorated with one convergent spine.
</paragraph>
<paragraph id="D137642CFFF1AC0B479DF819FE18F816" blockId="11.[136,1452,950,2093]" pageId="11" pageNumber="239">
<taxonomicName id="16881FAFFFF1AC0B479DF819FE19F882" authorityName="M. A. Santos, G. J. P. Ramos &amp; C. W. N. Moura" authorityYear="2022" box="[189,460,1850,1876]" class="Conjugatophyceae" family="Desmidiaceae" genus="Xanthidium" kingdom="Plantae" order="Zygnematales" pageId="11" pageNumber="239" phylum="Charophyta" rank="species" species="verrucosum">
<emphasis id="E3FCB83EFFF1AC0B479DF819FE19F882" box="[189,460,1850,1876]" italics="true" pageId="11" pageNumber="239">Xanthidium verrucosum</emphasis>
</taxonomicName>
is similar to
<taxonomicName id="16881FAFFFF1AC0B4541F819FB15F883" authority="Brebisson ex Ralfs (1848: 115)" authorityName="Ralfs" authorityPageNumber="115" authorityYear="1848" box="[609,1216,1850,1877]" class="Conjugatophyceae" family="Desmidiaceae" genus="Xanthidium" kingdom="Plantae" order="Zygnematales" pageId="11" pageNumber="239" phylum="Charophyta" rank="species" species="cristatum">
<emphasis id="E3FCB83EFFF1AC0B4541F819FC83F882" box="[609,854,1850,1876]" italics="true" pageId="11" pageNumber="239">Xanthidium cristatum</emphasis>
Brébisson ex
<bibRefCitation id="B51919DDFFF1AC0B44D7F819FB15F883" author="Ralfs, J." box="[1015,1216,1850,1877]" pageId="11" pageNumber="239" refId="ref8993" refString="Ralfs, J. (1848) The British Desmidieae. Reeve, London, 226 pp." type="book" year="1848">Ralfs (1848: 115)</bibRefCitation>
</taxonomicName>
, but the latter differs by having 10 marginal spines per semicell (four pairs and two singles at the base on each side), one or two warts in the semicell center (sometimes strongly reduced or even lacking), and relatively small cell size (40 x 35 μm without spines) (
<bibRefCitation id="B51919DDFFF1AC0B47C6F88BFE14F816" author="Stastny, J. &amp; Skaloud, P. &amp; Langenbach, D. &amp; Neustupa, K. N. J." box="[230,449,1958,1987]" pageId="11" pageNumber="239" pagination="401 - 416" refId="ref9605" refString="Stastny, J., Skaloud, P., Langenbach, D. &amp; Neustupa, K. N. J. (2013) Polyphasic evaluation of Xanthidium antilopaeum and Xanthidium cristatum (Zygnematophyceae, Streptophyta) species complex. Journal of Phycology 49: 401 - 416. https: // doi. org / 10.1111 / jpy. 12051" type="journal article" year="2013">
Šťastný
<emphasis id="E3FCB83EFFF1AC0B4665F884FEABF816" box="[325,382,1958,1984]" italics="true" pageId="11" pageNumber="239">et al.</emphasis>
2013
</bibRefCitation>
).
</paragraph>
<paragraph id="D137642CFFF1AC0B479DF8E8FD0CF7FA" blockId="11.[136,1452,950,2093]" pageId="11" pageNumber="239">In the study area, we observed some morphological variations in the specimens: warts can be 3–4 per semicell; the spines (12) per semicell may be shorter (9–16 μm) or longer (23–25 μm), and some individuals may have an additional pair of tiny spines (2–5 μm), one at each basal angle.</paragraph>
<paragraph id="D137642CFFF6AC0C479DFFBDFD2FFF0B" blockId="12.[136,1451,158,221]" pageId="12" pageNumber="240">
Despite the polymorphism observed,
<taxonomicName id="16881FAFFFF6AC0C4542FFBCFCD3FF6E" authorityName="M. A. Santos, G. J. P. Ramos &amp; C. W. N. Moura" authorityYear="2022" box="[610,774,159,184]" class="Conjugatophyceae" family="Desmidiaceae" genus="Xanthidium" kingdom="Plantae" order="Zygnematales" pageId="12" pageNumber="240" phylum="Charophyta" rank="species" species="verrucosum">
<emphasis id="E3FCB83EFFF6AC0C4542FFBCFCD3FF6E" box="[610,774,159,184]" italics="true" pageId="12" pageNumber="240">X. verrucosum</emphasis>
</taxonomicName>
presents a distinct morphological pattern, which is different from any other known species of the genus
<taxonomicName id="16881FAFFFF6AC0C4550FFE1FD26FF0A" authorityName="Ehrenberg ex Ralfs" authorityYear="1848" box="[624,755,194,220]" class="Conjugatophyceae" family="Desmidiaceae" genus="Xanthidium" kingdom="Plantae" order="Zygnematales" pageId="12" pageNumber="240" phylum="Charophyta" rank="genus">
<emphasis id="E3FCB83EFFF6AC0C4550FFE1FD26FF0A" box="[624,755,194,220]" italics="true" pageId="12" pageNumber="240">Xanthidium</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
</treatment>
</document>
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