362 lines
32 KiB
XML
362 lines
32 KiB
XML
<document id="A2536CA1CB403F3A72CBA84832C4130E" ID-DOI="10.1071/SB22029" ID-ISSN="1446-5701" ID-Zenodo-Dep="10904369" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="jonas" IM.materialsCitations_approvedBy="jonas" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="jonas" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="jonas" checkinTime="1711995537333" checkinUser="felipe" docAuthor="Casanova, Michelle T. & Karol, Kenneth G." docDate="2023" docId="A70387E4942B27417EE82BAC4DCBFD3F" docLanguage="en" docName="AustSystBot.36.4.SB22029.pdf" docOrigin="Australian Systematic Botany 36 (4)" docSource="http://dx.doi.org/10.1071/sb22029" docStyle="DocumentStyle:95658B21DE372A8A7AD113EF76B40484.2:AustSystBot.2022-.journal_article.0cover" docStyleId="95658B21DE372A8A7AD113EF76B40484" docStyleName="AustSystBot.2022-.journal_article.0cover" docStyleVersion="2" docTitle="Nitella C. Agardh" docType="key" docVersion="1" lastPageNumber="324" masterDocId="5B3AFF9C942927437E462B43481AFFB5" masterDocTitle="Charophytes of Australia’s Northern Territory - II. Tribe Nitelleae" masterLastPageNumber="353" masterPageNumber="322" pageNumber="324" updateTime="1715025604742" updateUser="jonas">
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<mods:title id="C0CBC26C969EFFF560844DB47B3A3BE0">Charophytes of Australia’s Northern Territory - II. Tribe Nitelleae</mods:title>
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<mods:namePart id="C38B2F38BAA15A2BC744FB5D79D36B75">Casanova, Michelle T.</mods:namePart>
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<mods:namePart id="D9BAECAAB1B904550112A21CD32B8090">Karol, Kenneth G.</mods:namePart>
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<mods:title id="D0902BAA87031FBED6D026F0F4300314">Australian Systematic Botany</mods:title>
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<mods:part id="E1BC876D1EB2F8046A068BB025817EE9">
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<mods:date id="51BD85A0E0D94672E5B1C7C21E32DA56">2023</mods:date>
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<mods:number id="AE953FD877DB91AB95B93A4A75B5CE9A">2023-08-18</mods:number>
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<mods:number id="840455CBDA1B8D2B4D8C939ABB3E2F55">36</mods:number>
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<mods:url id="00A393EEBCD74C64C9AFDBEB3FCD3A64">http://dx.doi.org/10.1071/sb22029</mods:url>
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<mods:classification id="AEC87DC9B4ADADCAA18D8DC7D5EC2759">journal article</mods:classification>
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<mods:identifier id="52F7AC05D566454616BDF430E79D67D3" type="DOI">10.1071/SB22029</mods:identifier>
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<mods:identifier id="4740BBE529189A7AC955D0CB5B34C890" type="ISSN">1446-5701</mods:identifier>
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<mods:identifier id="27C8028E7BFEA71F1D3789B6235769A7" type="Zenodo-Dep">10904369</mods:identifier>
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</mods:mods>
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<treatment id="A70387E4942B27417EE82BAC4DCBFD3F" LSID="urn:lsid:plazi:treatment:A70387E4942B27417EE82BAC4DCBFD3F" httpUri="http://treatment.plazi.org/id/A70387E4942B27417EE82BAC4DCBFD3F" lastPageNumber="324" pageId="2" pageNumber="324">
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<subSubSection id="67B06579942B27417EE82BAC4AAFFEB8" box="[174,693,238,269]" pageId="2" pageNumber="324" type="nomenclature">
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<paragraph id="2F1536F2942B27417EE82BAC4AAFFEB8" blockId="2.[174,693,238,269]" box="[174,693,238,269]" pageId="2" pageNumber="324">
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<heading id="745D819E942B27417EE82BAC4AAFFEB8" box="[174,693,238,269]" centered="true" fontSize="12" level="2" pageId="2" pageNumber="324" reason="4">
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<emphasis id="1DDEEAE0942B27417EE82BAC4AAFFEB8" bold="true" box="[174,693,238,269]" pageId="2" pageNumber="324">
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<taxonomicName id="E8AA4D71942B27417EE82BAC498CFEB8" ID-CoL="64FW" authority="C. Agardh" authorityName="C. Agardh" box="[174,406,238,269]" class="Charophyceae" family="Characeae" genus="Nitella" kingdom="Plantae" order="Charales" pageId="2" pageNumber="324" phylum="Charophyta" rank="genus">
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<emphasis id="1DDEEAE0942B27417EE82BAC4914FEB8" bold="true" box="[174,270,239,269]" italics="true" pageId="2" pageNumber="324">Nitella</emphasis>
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C.Agardh
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</taxonomicName>
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,
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<emphasis id="1DDEEAE0942B27417FE32BAD4A15FEB8" bold="true" box="[421,527,238,269]" italics="true" pageId="2" pageNumber="324">Syst. Alg.</emphasis>
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xxvii (1824)
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</emphasis>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="67B06579942B27417E242A774A2FFDD9" pageId="2" pageNumber="324" type="diagnosis">
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<paragraph id="2F1536F2942B27417E242A774A2FFDD9" blockId="2.[98,770,308,620]" pageId="2" pageNumber="324">
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Monoecious or dioecious. Plant axis and branchlets ecorticate.
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<emphasis id="1DDEEAE0942B27417EDA2A174911FED9" bold="true" box="[156,267,340,364]" italics="true" pageId="2" pageNumber="324">Stipulodes</emphasis>
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absent;
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<emphasis id="1DDEEAE0942B27417F2E2A1749C2FED9" bold="true" box="[360,472,340,364]" italics="true" pageId="2" pageNumber="324">branchlets</emphasis>
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in 1 whorl, or more than 1 whorl, per node, ecorticate;
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<emphasis id="1DDEEAE0942B27417F942A374A87FE3E" bold="true" box="[466,669,372,396]" italics="true" pageId="2" pageNumber="324">primary segments</emphasis>
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usually distinctly forked into 2–8
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<emphasis id="1DDEEAE0942B27417FDB2AD04A63FE1E" bold="true" box="[413,633,403,427]" italics="true" pageId="2" pageNumber="324">secondary segments</emphasis>
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, or further furcate. Terminal end segments (
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<emphasis id="1DDEEAE0942B27417FA82AF74A21FE79" bold="true" box="[494,571,436,460]" italics="true" pageId="2" pageNumber="324">dactyls</emphasis>
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) 1–8 cells long.
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<emphasis id="1DDEEAE0942B27417E242A9748FFFE59" bold="true" box="[98,229,468,492]" italics="true" pageId="2" pageNumber="324">Gametangia</emphasis>
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arranged at the branchlet nodes, rarely at the axial nodes; antheridia terminal and oosporangia lateral. Helical cells of the oosporangium terminated by a
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<emphasis id="1DDEEAE0942B27417CE729574B1BFD99" bold="true" box="[673,769,532,556]" italics="true" pageId="2" pageNumber="324">coronula</emphasis>
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of 10 cells, in 2 rows of 5.
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<emphasis id="1DDEEAE0942B27417FC2297749FDFDF9" bold="true" box="[388,487,564,588]" italics="true" pageId="2" pageNumber="324">Oospores</emphasis>
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usually flattened spheres or ovals, with 1–3 basal-cell impressions.
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</paragraph>
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</subSubSection>
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<subSubSection id="67B06579942B27417E2429C34A72FD26" box="[98,616,639,659]" pageId="2" pageNumber="324" type="type_taxon">
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<paragraph id="2F1536F2942B27417E2429C34A72FD26" blockId="2.[98,616,639,659]" box="[98,616,639,659]" pageId="2" pageNumber="324">
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<emphasis id="1DDEEAE0942B27417E2429C34894FD26" bold="true" box="[98,142,640,659]" italics="true" pageId="2" pageNumber="324">
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<typeStatus id="F0118850942B27417E2429C34894FD26" box="[98,142,640,659]" pageId="2" pageNumber="324">Type</typeStatus>
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</emphasis>
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:
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<taxonomicName id="E8AA4D71942B27417EDD293C4A72FD26" authority="(C. Agardh ex Bruzelius) C. Agardh." authorityName="C. Agardh." baseAuthorityName="Bruzelius" box="[155,616,639,659]" class="Charophyceae" family="Characeae" genus="Nitella" kingdom="Plantae" order="Charales" pageId="2" pageNumber="324" phylum="Charophyta" rank="species" species="opaca">
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<emphasis id="1DDEEAE0942B27417EDD293C490DFD26" bold="true" box="[155,279,639,659]" italics="true" pageId="2" pageNumber="324">Nitella opaca</emphasis>
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(C.Agardh ex Bruzelius) C.Agardh.
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</taxonomicName>
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</paragraph>
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</subSubSection>
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<subSubSection id="67B06579942B27417E2429974A84FBAC" pageId="2" pageNumber="324" type="discussion">
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<paragraph id="2F1536F2942B27417E24299748F5FCA0" blockId="2.[98,770,724,789]" pageId="2" pageNumber="324">
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<heading id="745D819E942B27417E24299748F5FCA0" fontSize="12" level="2" pageId="2" pageNumber="324" reason="3">
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<emphasis id="1DDEEAE0942B27417E2429974B18FD47" bold="true" box="[98,770,724,754]" pageId="2" pageNumber="324">
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Key to the species of
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<taxonomicName id="E8AA4D71942B27417FE129974A1DFD47" ID-CoL="64FW" box="[423,519,724,754]" class="Charophyceae" family="Characeae" genus="Nitella" kingdom="Plantae" order="Charales" pageId="2" pageNumber="324" phylum="Charophyta" rank="genus">
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<emphasis id="1DDEEAE0942B27417FE129974A1DFD47" bold="true" box="[423,519,724,754]" italics="true" pageId="2" pageNumber="324">Nitella</emphasis>
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</taxonomicName>
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in the
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<collectingRegion id="ED6EF810942B27417C35299748F5FCA0" country="Australia" name="Northern Territory" pageId="2" pageNumber="324">
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Northern
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<emphasis id="1DDEEAE0942B27417E2429B448F5FCA0" bold="true" box="[98,239,759,789]" pageId="2" pageNumber="324">Territory</emphasis>
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</collectingRegion>
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="2F1536F2942B27417EC428024A84FBAC" blockId="2.[98,770,833,1049]" pageId="2" pageNumber="324">
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Oospores are a reliable morphological means of identifying species of
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<taxonomicName id="E8AA4D71942B27417F4F28224948FCCC" box="[265,338,865,889]" class="Charophyceae" family="Characeae" genus="Nitella" kingdom="Plantae" order="Charales" pageId="2" pageNumber="324" phylum="Charophyta" rank="genus">
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<emphasis id="1DDEEAE0942B27417F4F28224948FCCC" bold="true" box="[265,338,865,889]" italics="true" pageId="2" pageNumber="324">Nitella</emphasis>
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</taxonomicName>
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.
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<collectionCode id="49BBAE37942B27417F222821496FFCCF" box="[356,373,866,890]" country="USA" lsid="urn:lsid:biocol.org:col:15406" name="Harvard University - Arnold Arboretum" pageId="2" pageNumber="324" type="Herbarium">A</collectionCode>
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comparison of specimen oospores with the pictures provided in the illustrations can provide definitive identification. In the absence of oospores (or a microscope), the following key can assist in distinguishing among species.
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<collectionCode id="49BBAE37942B27417F5428A24939FC4C" box="[274,291,993,1017]" country="USA" lsid="urn:lsid:biocol.org:col:15406" name="Harvard University - Arnold Arboretum" pageId="2" pageNumber="324" type="Herbarium">A</collectionCode>
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good-quality hand-lens is necessary to see features of the dactyls and whorls in most species.
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</paragraph>
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</subSubSection>
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<subSubSection id="67B06579942B27417E282F164DCBFD3F" pageId="2" pageNumber="324" type="key">
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<key id="5B3B61C3942B27417E282F164DCBFD3F" pageId="2" pageNumber="324">
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||
<keyStep id="945E2E57942B27417E282F164B18FB36" pageId="2" pageNumber="324">
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<paragraph id="2F1536F2942B27417E282F164B18FBDD" blockId="2.[98,770,1109,1928]" box="[110,770,1109,1128]" pageId="2" pageNumber="324">
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<keyLead id="945B95C7942B27417E282F164B18FBDD" box="[110,770,1109,1128]" pageId="2" pageNumber="324">1. Plants monoecious…......................................................................2</keyLead>
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</paragraph>
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<paragraph id="2F1536F2942B27417ECC2F334B18FB36" blockId="2.[98,770,1109,1928]" box="[138,770,1136,1155]" pageId="2" pageNumber="324">
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<keyLead id="945B95C7942B27417ECC2F334B18FB36" box="[138,770,1136,1155]" pageId="2" pageNumber="324">Plants dioecious…..........................................................................5</keyLead>
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</paragraph>
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</keyStep>
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<keyStep id="945E2E57942B27417E282FC94B18FB66" pageId="2" pageNumber="324">
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<paragraph id="2F1536F2942B27417E282FC94B18FB02" blockId="2.[98,770,1109,1928]" pageId="2" pageNumber="324">
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<keyLead id="945B95C7942B27417E282FC94B18FB02" pageId="2" pageNumber="324">
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2. Branchlets once-furcate; dactyls consisting of a single cell….......... ...................................................................................
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<taxonomicName id="E8AA4D71942B27417CD72FE64B18FB02" box="[657,770,1188,1208]" class="Charophyceae" family="Characeae" genus="Nitella" kingdom="Plantae" order="Charales" pageId="2" pageNumber="324" phylum="Charophyta" rank="species" species="belangeri">
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<emphasis id="1DDEEAE0942B27417CD72FE64B18FB02" bold="true" box="[657,770,1188,1208]" italics="true" pageId="2" pageNumber="324">N. belangeri</emphasis>
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</taxonomicName>
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</keyLead>
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</paragraph>
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<paragraph id="2F1536F2942B27417ECC2F834B18FB66" blockId="2.[98,770,1109,1928]" box="[138,770,1216,1235]" pageId="2" pageNumber="324">
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<keyLead id="945B95C7942B27417ECC2F834B18FB66" box="[138,770,1216,1235]" pageId="2" pageNumber="324">Branchlets 2 or 3× furcate; dactyls consisting of 2 cells…...........3</keyLead>
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</paragraph>
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</keyStep>
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<keyStep id="945E2E57942B27417E282F994B18FA88" pageId="2" pageNumber="324">
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||
<paragraph id="2F1536F2942B27417E282F994B1BFABD" blockId="2.[98,770,1109,1928]" pageId="2" pageNumber="324">
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||
<keyLead id="945B95C7942B27417E282F994B1BFABD" pageId="2" pageNumber="324">
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3. Axes narrow,
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||
<quantity id="E8529B17942B27417F4B2F994966FB5B" box="[269,380,1242,1262]" metricMagnitude="-4" metricUnit="m" metricValue="4.5" metricValueMax="5.0" metricValueMin="4.0" pageId="2" pageNumber="324" unit="mm" value="0.45" valueMax="0.5" valueMin="0.4">0.4–0.5 mm</quantity>
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in diameter; plants less than
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||
<quantity id="E8529B17942B27417CD52F994AD1FB5B" box="[659,715,1242,1262]" metricMagnitude="-1" metricUnit="m" metricValue="1.5" pageId="2" pageNumber="324" unit="cm" value="15.0">15 cm</quantity>
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high; dactyls long….............................................................................4
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</keyLead>
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||
</paragraph>
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<paragraph id="2F1536F2942B27417ECC2E534B18FA88" blockId="2.[98,770,1109,1928]" pageId="2" pageNumber="324">
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||
<keyLead id="945B95C7942B27417ECC2E534B18FA88" pageId="2" pageNumber="324">
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||
Axes ~
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||
<quantity id="E8529B17942B27417E952E53491CFA96" box="[211,262,1296,1315]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="2" pageNumber="324" unit="mm" value="1.0">1 mm</quantity>
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||
in diameter; plants up to
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||
<quantity id="E8529B17942B27417C572E4C4A53FA96" box="[529,585,1295,1315]" metricMagnitude="-1" metricUnit="m" metricValue="2.5" pageId="2" pageNumber="324" unit="cm" value="25.0">25 cm</quantity>
|
||
high; dactyls very short (brachydactylous)….........................................
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||
<taxonomicName id="E8AA4D71942B27417CD72E694B18FA88" box="[657,770,1322,1341]" class="Charophyceae" family="Characeae" genus="Nitella" kingdom="Plantae" order="Charales" pageId="2" pageNumber="324" phylum="Charophyta" rank="species" species="tumulosa">
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<emphasis id="1DDEEAE0942B27417CD72E694B18FA88" bold="true" box="[657,770,1322,1341]" italics="true" pageId="2" pageNumber="324">N. tumulosa</emphasis>
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</taxonomicName>
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||
</keyLead>
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||
</paragraph>
|
||
</keyStep>
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||
<keyStep id="945E2E57942B27417E282E064B18FA1D" pageId="2" pageNumber="324">
|
||
<paragraph id="2F1536F2942B27417E282E064B1BFAC7" blockId="2.[98,770,1109,1928]" pageId="2" pageNumber="324">
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||
<keyLead id="945B95C7942B27417E282E064B1BFAC7" pageId="2" pageNumber="324">
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||
4. Plants unevenly 2(–3)× furcate; sterile branchlets ~
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||
<quantity id="E8529B17942B27417CD72E064ADDFAED" box="[657,711,1349,1368]" metricMagnitude="-3" metricUnit="m" metricValue="5.0" pageId="2" pageNumber="324" unit="mm" value="5.0">5 mm</quantity>
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||
long; end-cells long-conical…..........................................
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||
<taxonomicName id="E8AA4D71942B27417CC42E234B1BFAC7" authority="Plants" authorityName="Plants" box="[642,769,1375,1395]" class="Charophyceae" family="Characeae" genus="Nitella" kingdom="Plantae" order="Charales" pageId="2" pageNumber="324" phylum="Charophyta" rank="species" species="townsendii">
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||
<emphasis id="1DDEEAE0942B27417CC42E234B1BFAC7" bold="true" box="[642,769,1375,1395]" italics="true" pageId="2" pageNumber="324">N. townsendii</emphasis>
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||
</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="2F1536F2942B27417ECC2E394B18FA1D" blockId="2.[98,770,1109,1928]" pageId="2" pageNumber="324">
|
||
<keyLead id="945B95C7942B27417ECC2E394B18FA1D" pageId="2" pageNumber="324">
|
||
Plants evenly 3(–4)× furcate; sterile branchlets up to ~
|
||
<quantity id="E8529B17942B27417CF82E394B1BFA3B" box="[702,769,1402,1422]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="2" pageNumber="324" unit="mm" value="10.0">10 mm</quantity>
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||
long; end-cells shortly conical….....................
|
||
<taxonomicName id="E8AA4D71942B27417C092ED64B18FA1D" authorityName="Casanova & Karol" authorityYear="2023" box="[591,770,1429,1448]" class="Charophyceae" family="Characeae" genus="Nitella" kingdom="Plantae" order="Charales" pageId="2" pageNumber="324" phylum="Charophyta" rank="species" species="boreali-australis">
|
||
<emphasis id="1DDEEAE0942B27417C092ED64B18FA1D" bold="true" box="[591,770,1429,1448]" italics="true" pageId="2" pageNumber="324">N. boreali-australis</emphasis>
|
||
</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="945E2E57942B27417E282EEC4B18FA4D" pageId="2" pageNumber="324">
|
||
<paragraph id="2F1536F2942B27417E282EEC4B18FA77" blockId="2.[98,770,1109,1928]" box="[110,770,1455,1475]" pageId="2" pageNumber="324">
|
||
<keyLead id="945B95C7942B27417E282EEC4B18FA77" box="[110,770,1455,1475]" pageId="2" pageNumber="324">5. Branchlets in a single whorl of 6–8 at a node…...........................8</keyLead>
|
||
</paragraph>
|
||
<paragraph id="2F1536F2942B27417ECC2E894B18FA4D" blockId="2.[98,770,1109,1928]" pageId="2" pageNumber="324">
|
||
<keyLead id="945B95C7942B27417ECC2E894B18FA4D" pageId="2" pageNumber="324">Branchlets in more than 1 whorl, with more than 10 (up to ~40) branchlets arising at the nodes…...............................................6</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="945E2E57942B27417E282EBC4B1BF9D6" pageId="2" pageNumber="324">
|
||
<paragraph id="2F1536F2942B27417E282EBC4B1BF998" blockId="2.[98,770,1109,1928]" pageId="2" pageNumber="324">
|
||
<keyLead id="945B95C7942B27417E282EBC4B1BF998" pageId="2" pageNumber="324">
|
||
6. Branchlets in 2 whorls, up to ~
|
||
<quantity id="E8529B17942B27417F952D434A14F9A7" box="[467,526,1535,1555]" metricMagnitude="-1" metricUnit="m" metricValue="2.54" pageId="2" pageNumber="324" unit="in" value="10.0">10 in</quantity>
|
||
the shorter (secondary) whorl….......................................................................................7
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="2F1536F2942B27417ECC2D764B1BF9D6" blockId="2.[98,770,1109,1928]" pageId="2" pageNumber="324">
|
||
<keyLead id="945B95C7942B27417ECC2D764B1BF9D6" pageId="2" pageNumber="324">
|
||
Branchlets in 3 whorls, or so many branchlets as to be difficult to count….......................................................................
|
||
<taxonomicName id="E8AA4D71942B27417CD02D134B1BF9D6" box="[662,769,1616,1635]" class="Charophyceae" family="Characeae" genus="Nitella" kingdom="Plantae" order="Charales" pageId="2" pageNumber="324" phylum="Charophyta" rank="species" species="congesta">
|
||
<emphasis id="1DDEEAE0942B27417CD02D134B1BF9D6" bold="true" box="[662,769,1616,1635]" italics="true" pageId="2" pageNumber="324">N. congesta</emphasis>
|
||
</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="945E2E57942B27417E282D284B1BF978" pageId="2" pageNumber="324">
|
||
<paragraph id="2F1536F2942B27417E282D284B18F922" blockId="2.[98,770,1109,1928]" pageId="2" pageNumber="324">
|
||
<keyLead id="945B95C7942B27417E282D284B18F922" pageId="2" pageNumber="324">
|
||
7. Plants up to
|
||
<quantity id="E8529B17942B27417F562D294952F9CB" box="[272,328,1642,1662]" metricMagnitude="-1" metricUnit="m" metricValue="1.0" pageId="2" pageNumber="324" unit="cm" value="10.0">10 cm</quantity>
|
||
high; branchlets up to
|
||
<quantity id="E8529B17942B27417C7A2D294A6BF9CB" box="[572,625,1642,1662]" metricMagnitude="-3" metricUnit="m" metricValue="5.0" pageId="2" pageNumber="324" unit="mm" value="5.0">5 mm</quantity>
|
||
long; primary branchlet whorl 1–2× furcate….................................
|
||
<taxonomicName id="E8AA4D71942B27417CDC2DC64B18F922" box="[666,770,1668,1688]" class="Charophyceae" family="Characeae" genus="Nitella" kingdom="Plantae" order="Charales" pageId="2" pageNumber="324" phylum="Charophyta" rank="species" species="biformis">
|
||
<emphasis id="1DDEEAE0942B27417CDC2DC64B18F922" bold="true" box="[666,770,1668,1688]" italics="true" pageId="2" pageNumber="324">N. biformis</emphasis>
|
||
</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="2F1536F2942B27417ECC2DE34B1BF978" blockId="2.[98,770,1109,1928]" pageId="2" pageNumber="324">
|
||
<keyLead id="945B95C7942B27417ECC2DE34B1BF978" pageId="2" pageNumber="324">
|
||
Plants up to
|
||
<quantity id="E8529B17942B27417F4A2DE3495EF906" box="[268,324,1696,1715]" metricMagnitude="-1" metricUnit="m" metricValue="4.0" pageId="2" pageNumber="324" unit="cm" value="40.0">40 cm</quantity>
|
||
high; branchlets up to
|
||
<quantity id="E8529B17942B27417C752DE34A69F906" box="[563,627,1696,1715]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="2" pageNumber="324" unit="mm" value="10.0">10 mm</quantity>
|
||
long; primary branchlet whorl 2–3× furcate…..........................
|
||
<taxonomicName id="E8AA4D71942B27417C342DF94B1BF978" box="[626,769,1722,1741]" class="Charophyceae" family="Characeae" genus="Nitella" kingdom="Plantae" order="Charales" pageId="2" pageNumber="324" phylum="Charophyta" rank="species" species="heterophylla">
|
||
<emphasis id="1DDEEAE0942B27417C342DF94B1BF978" bold="true" box="[626,769,1722,1741]" italics="true" pageId="2" pageNumber="324">N. heterophylla</emphasis>
|
||
</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="945E2E57942B27417E282D964B1BF8B6" pageId="2" pageNumber="324">
|
||
<paragraph id="2F1536F2942B27417E282D964B1BF95D" blockId="2.[98,770,1109,1928]" box="[110,769,1749,1768]" pageId="2" pageNumber="324">
|
||
<keyLead id="945B95C7942B27417E282D964B1BF95D" box="[110,769,1749,1768]" pageId="2" pageNumber="324">8. Branchlets 2 or 3× furcate; end-cells conical and acute…..........10</keyLead>
|
||
</paragraph>
|
||
<paragraph id="2F1536F2942B27417ECC2DB34B1BF8B6" blockId="2.[98,770,1109,1928]" box="[138,769,1776,1795]" pageId="2" pageNumber="324">
|
||
<keyLead id="945B95C7942B27417ECC2DB34B1BF8B6" box="[138,769,1776,1795]" pageId="2" pageNumber="324">Branchlets 3 or more× furcate; end-cells long and obtuse…........9</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="945E2E57942B27417E282C494B1BF8D8" pageId="2" pageNumber="324">
|
||
<paragraph id="2F1536F2942B27417E282C494B18F88D" blockId="2.[98,770,1109,1928]" pageId="2" pageNumber="324">
|
||
<keyLead id="945B95C7942B27417E282C494B18F88D" pageId="2" pageNumber="324">
|
||
9. Branchlet segments at all fucations 4–7; fertile whorls dispersed, with long primary segments…......................................
|
||
<taxonomicName id="E8AA4D71942B27417CEF2C664B18F88D" authority="Branchlet" authorityName="Branchlet" box="[681,770,1829,1848]" class="Charophyceae" family="Characeae" genus="Nitella" kingdom="Plantae" order="Charales" pageId="2" pageNumber="324" phylum="Charophyta" rank="species" species="limosa">
|
||
<emphasis id="1DDEEAE0942B27417CEF2C664B18F88D" bold="true" box="[681,770,1829,1848]" italics="true" pageId="2" pageNumber="324">N. limosa</emphasis>
|
||
</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="2F1536F2942B27417ECC2C034B1BF8D8" blockId="2.[98,770,1109,1928]" pageId="2" pageNumber="324">
|
||
<keyLead id="945B95C7942B27417ECC2C034B1BF8D8" pageId="2" pageNumber="324">
|
||
Branchlet segments at all furcations 2–5; fertile whorls compact, with short primary segments….............................
|
||
<taxonomicName id="E8AA4D71942B27417C3F2C184B1BF8D8" box="[633,769,1882,1902]" class="Charophyceae" family="Characeae" genus="Nitella" kingdom="Plantae" order="Charales" pageId="2" pageNumber="324" phylum="Charophyta" rank="species" species="myriotricha">
|
||
<emphasis id="1DDEEAE0942B27417C3F2C184B1BF8D8" bold="true" box="[633,769,1882,1902]" italics="true" pageId="2" pageNumber="324">N. myriotricha</emphasis>
|
||
</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<paragraph id="2F1536F2942B27417E242C364DC8FF70" blockId="2.[98,770,1109,1928]" box="[98,1490,178,1928]" lastBlockId="2.[818,1490,178,651]" pageId="2" pageNumber="324">
|
||
<keyStep id="945E2E57942B27417E242C364DC8FF70" box="[98,1490,178,1928]" pageId="2" pageNumber="324">
|
||
<keyLead id="945B95C7942B27417E242C364B18F83D" box="[98,770,1909,1928]" pageId="2" pageNumber="324">
|
||
10. Plants less than
|
||
<quantity id="E8529B17942B27417F512C364954F83D" box="[279,334,1909,1928]" metricMagnitude="-1" metricUnit="m" metricValue="1.0" pageId="2" pageNumber="324" unit="cm" value="10.0">10 cm</quantity>
|
||
high; in arid- and semi-arid-zone waters…......11
|
||
</keyLead>
|
||
<keyLead id="945B95C7942B27417D1C2BF14DC8FF70" box="[858,1490,178,198]" pageId="2" pageNumber="324">
|
||
Plants greater than
|
||
<quantity id="E8529B17942B27417A502BF14C55FF73" box="[1046,1103,178,198]" metricMagnitude="-1" metricUnit="m" metricValue="1.0" pageId="2" pageNumber="324" unit="cm" value="10.0">10 cm</quantity>
|
||
high; in wet–dry tropics….................12
|
||
</keyLead>
|
||
</keyStep>
|
||
</paragraph>
|
||
<keyStep id="945E2E57942B27417D742B8E4DCBFE85" pageId="2" pageNumber="324">
|
||
<paragraph id="2F1536F2942B27417D742B8E4DC8FF4F" blockId="2.[818,1490,178,651]" pageId="2" pageNumber="324">
|
||
<keyLead id="945B95C7942B27417D742B8E4DC8FF4F" pageId="2" pageNumber="324">
|
||
11. Dactyls notably wider than the branchlet segments (inflated), tapering towards the end-cell…...................................
|
||
<taxonomicName id="E8AA4D71942B27417B352BAB4DC8FF4F" authority="Dactyls" authorityName="Dactyls" box="[1395,1490,231,251]" class="Charophyceae" family="Characeae" genus="Nitella" kingdom="Plantae" order="Charales" pageId="2" pageNumber="324" phylum="Charophyta" rank="species" species="micklei">
|
||
<emphasis id="1DDEEAE0942B27417B352BAB4DC8FF4F" bold="true" box="[1395,1490,231,251]" italics="true" pageId="2" pageNumber="324">N. micklei</emphasis>
|
||
</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="2F1536F2942B27417D1C2A414DCBFE85" blockId="2.[818,1490,178,651]" pageId="2" pageNumber="324">
|
||
<keyLead id="945B95C7942B27417D1C2A414DCBFE85" pageId="2" pageNumber="324">
|
||
Dactyls similar to branchlet segments; end-cell an obtuse bristle on the branchlet tips…............................................
|
||
<taxonomicName id="E8AA4D71942B27417B7E2A5E4DCBFE85" authorityName="Casanova & Karol" authorityYear="2023" box="[1336,1489,285,304]" class="Charophyceae" family="Characeae" genus="Nitella" kingdom="Plantae" order="Charales" pageId="2" pageNumber="324" phylum="Charophyta" rank="species" species="acanthospora">
|
||
<emphasis id="1DDEEAE0942B27417B7E2A5E4DCBFE85" bold="true" box="[1336,1489,285,304]" italics="true" pageId="2" pageNumber="324">N. acanthospora</emphasis>
|
||
</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="945E2E57942B27417D742A7B4DCBFE2F" pageId="2" pageNumber="324">
|
||
<paragraph id="2F1536F2942B27417D742A7B4DCBFED0" blockId="2.[818,1490,178,651]" pageId="2" pageNumber="324">
|
||
<keyLead id="945B95C7942B27417D742A7B4DCBFED0" pageId="2" pageNumber="324">12. Primary branchlet segment>60% of branchlet length (the remaining segments make up little brushes on the tips) …................13</keyLead>
|
||
</paragraph>
|
||
<paragraph id="2F1536F2942B27417D1C2A2E4DCBFE2F" blockId="2.[818,1490,178,651]" pageId="2" pageNumber="324">
|
||
<keyLead id="945B95C7942B27417D1C2A2E4DCBFE2F" pageId="2" pageNumber="324">Primary branchlet segment up to 50% of the total branchlet length…....................................................................................15</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="945E2E57942B27417D742AE14DC8FE65" pageId="2" pageNumber="324">
|
||
<paragraph id="2F1536F2942B27417D742AE14DC8FE00" blockId="2.[818,1490,178,651]" box="[818,1490,418,438]" pageId="2" pageNumber="324">
|
||
<keyLead id="945B95C7942B27417D742AE14DC8FE00" box="[818,1490,418,438]" pageId="2" pageNumber="324">
|
||
13. Plants with mucus; 6 branchlets in a whorl…...........
|
||
<taxonomicName id="E8AA4D71942B27417B142AE04DC8FE00" authority="Plants" authorityName="Plants" box="[1362,1490,418,438]" class="Charophyceae" family="Characeae" genus="Nitella" kingdom="Plantae" order="Charales" pageId="2" pageNumber="324" phylum="Charophyta" rank="species" species="crocodylus">
|
||
<emphasis id="1DDEEAE0942B27417B142AE04DC8FE00" bold="true" box="[1362,1490,418,438]" italics="true" pageId="2" pageNumber="324">N. crocodylus</emphasis>
|
||
</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="2F1536F2942B27417D1C2AFE4DC8FE65" blockId="2.[818,1490,178,651]" box="[858,1490,445,464]" pageId="2" pageNumber="324">
|
||
<keyLead id="945B95C7942B27417D1C2AFE4DC8FE65" box="[858,1490,445,464]" pageId="2" pageNumber="324">Plants without mucus; 6–8 branchlets in a whorl…....................14</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="945E2E57942B27417D742A9B4DC8FD8F" pageId="2" pageNumber="324">
|
||
<paragraph id="2F1536F2942B27417D742A9B4DC8FDB0" blockId="2.[818,1490,178,651]" pageId="2" pageNumber="324">
|
||
<keyLead id="945B95C7942B27417D742A9B4DC8FDB0" pageId="2" pageNumber="324">
|
||
14. Branchlets without a central (percurrent) secondary segment…...... ........................................................................................
|
||
<taxonomicName id="E8AA4D71942B27417B392AB04DC8FDB0" authority="Branchlets" authorityName="Branchlets" box="[1407,1490,498,518]" class="Charophyceae" family="Characeae" genus="Nitella" kingdom="Plantae" order="Charales" pageId="2" pageNumber="324" phylum="Charophyta" rank="species" species="nitida">
|
||
<emphasis id="1DDEEAE0942B27417B392AB04DC8FDB0" bold="true" box="[1407,1490,498,518]" italics="true" pageId="2" pageNumber="324">N. nitida</emphasis>
|
||
</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="2F1536F2942B27417D1C294E4DC8FD8F" blockId="2.[818,1490,178,651]" pageId="2" pageNumber="324">
|
||
<keyLead id="945B95C7942B27417D1C294E4DC8FD8F" pageId="2" pageNumber="324">
|
||
Branchlets with a central (percurrent) secondary segment….......... ................................................................................
|
||
<taxonomicName id="E8AA4D71942B27417B16296B4DC8FD8F" authorityName="Casanova & Karol" authorityYear="2023" box="[1360,1490,551,571]" class="Charophyceae" family="Characeae" genus="Nitella" kingdom="Plantae" order="Charales" pageId="2" pageNumber="324" phylum="Charophyta" rank="species" species="oollooensis">
|
||
<emphasis id="1DDEEAE0942B27417B16296B4DC8FD8F" bold="true" box="[1360,1490,551,571]" italics="true" pageId="2" pageNumber="324">N. oollooensis</emphasis>
|
||
</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="945E2E57942B27417D7429014DCBFD3F" pageId="2" pageNumber="324">
|
||
<paragraph id="2F1536F2942B27417D7429014DCBFDC5" blockId="2.[818,1490,178,651]" pageId="2" pageNumber="324">
|
||
<keyLead id="945B95C7942B27417D7429014DCBFDC5" pageId="2" pageNumber="324">
|
||
15. Axes wiry and tangled, gametangia at the branchlet tips…............ .....................................................................................
|
||
<taxonomicName id="E8AA4D71942B27417B2D291E4DCBFDC5" authority="Axes" authorityName="Axes" box="[1387,1489,605,624]" class="Charophyceae" family="Characeae" genus="Nitella" kingdom="Plantae" order="Charales" pageId="2" pageNumber="324" phylum="Charophyta" rank="species" species="martinii">
|
||
<emphasis id="1DDEEAE0942B27417B2D291E4DCBFDC5" bold="true" box="[1387,1489,605,624]" italics="true" pageId="2" pageNumber="324">N. martinii</emphasis>
|
||
</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="2F1536F2942B27417D1C293B4DCBFD3F" blockId="2.[818,1490,178,651]" box="[858,1489,631,651]" pageId="2" pageNumber="324">
|
||
<keyLead id="945B95C7942B27417D1C293B4DCBFD3F" box="[858,1489,631,651]" pageId="2" pageNumber="324">
|
||
Axes soft and flabellate…..................................................
|
||
<taxonomicName id="E8AA4D71942B27417B3D293B4DCBFD3F" authorityName="Casanova & Karol" authorityYear="2023" box="[1403,1489,631,651]" class="Charophyceae" family="Characeae" genus="Nitella" kingdom="Plantae" order="Charales" pageId="2" pageNumber="324" phylum="Charophyta" rank="species" species="silicea">
|
||
<emphasis id="1DDEEAE0942B27417B3D293B4DCBFD3F" bold="true" box="[1403,1489,631,651]" italics="true" pageId="2" pageNumber="324">N. silicea</emphasis>
|
||
</taxonomicName>
|
||
</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
</key>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |