treatments-xml/data/A7/03/87/A70387E4942B27417EE82BAC4DCBFD3F.xml
2024-06-21 12:46:51 +02:00

362 lines
32 KiB
XML
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<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. &amp; 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 Australias Northern Territory - II. Tribe Nitelleae" masterLastPageNumber="353" masterPageNumber="322" pageNumber="324" updateTime="1715025604742" updateUser="jonas">
<mods:mods id="C05A482784F466BDD09CBC2F52415A97" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="8524FE051502D541C1F717E8220F780D">
<mods:title id="C0CBC26C969EFFF560844DB47B3A3BE0">Charophytes of Australias Northern Territory - II. Tribe Nitelleae</mods:title>
</mods:titleInfo>
<mods:name id="69E04F2F7B35432FC251880F5C557F53" type="personal">
<mods:role id="79240F9C1A7A600C34C3E3E0F8051AB6">
<mods:roleTerm id="DFFBDAF7D0CF7BF0FE348BDEDA4CD63C">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="C38B2F38BAA15A2BC744FB5D79D36B75">Casanova, Michelle T.</mods:namePart>
</mods:name>
<mods:name id="CDD4EB606EA4BC62F8C4CAED8BB56C3E" type="personal">
<mods:role id="776160F1AC02089E40868584F79AFA16">
<mods:roleTerm id="25753464AD018E1DBC826921792BD72A">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="D9BAECAAB1B904550112A21CD32B8090">Karol, Kenneth G.</mods:namePart>
</mods:name>
<mods:typeOfResource id="F9DF420061CF29BF4C308490F7B6AF79">text</mods:typeOfResource>
<mods:relatedItem id="66B334C4D752BA49BD0B839CB07FD55A" type="host">
<mods:titleInfo id="B39EB4F980364FA554482A5F2109E547">
<mods:title id="D0902BAA87031FBED6D026F0F4300314">Australian Systematic Botany</mods:title>
</mods:titleInfo>
<mods:part id="E1BC876D1EB2F8046A068BB025817EE9">
<mods:date id="51BD85A0E0D94672E5B1C7C21E32DA56">2023</mods:date>
<mods:detail id="6403D22868967B64650C7B854CCC722D" type="pubDate">
<mods:number id="AE953FD877DB91AB95B93A4A75B5CE9A">2023-08-18</mods:number>
</mods:detail>
<mods:detail id="EB93CBB6400C1480A0927EB9BA4C893D" type="volume">
<mods:number id="840455CBDA1B8D2B4D8C939ABB3E2F55">36</mods:number>
</mods:detail>
<mods:detail id="0ECFFA3F957FDC913130F6EC4A2D8424" type="issue">
<mods:number id="BFFDBDD788C4A7044759C97CD5FA0E2E">4</mods:number>
</mods:detail>
<mods:extent id="6D98D129B984A2F05C39317E1C2AE7F6" unit="page">
<mods:start id="60C3061C45154D5609DD32C3B13E6358">322</mods:start>
<mods:end id="A2E433772E2D4128DDAA638CA1082CA3">353</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location id="D8032AA4D75230EF6E84112DBF3B4115">
<mods:url id="00A393EEBCD74C64C9AFDBEB3FCD3A64">http://dx.doi.org/10.1071/sb22029</mods:url>
</mods:location>
<mods:classification id="AEC87DC9B4ADADCAA18D8DC7D5EC2759">journal article</mods:classification>
<mods:identifier id="52F7AC05D566454616BDF430E79D67D3" type="DOI">10.1071/SB22029</mods:identifier>
<mods:identifier id="4740BBE529189A7AC955D0CB5B34C890" type="ISSN">1446-5701</mods:identifier>
<mods:identifier id="27C8028E7BFEA71F1D3789B6235769A7" type="Zenodo-Dep">10904369</mods:identifier>
</mods:mods>
<treatment id="A70387E4942B27417EE82BAC4DCBFD3F" LSID="urn:lsid:plazi:treatment:A70387E4942B27417EE82BAC4DCBFD3F" httpUri="http://treatment.plazi.org/id/A70387E4942B27417EE82BAC4DCBFD3F" lastPageNumber="324" pageId="2" pageNumber="324">
<subSubSection id="67B06579942B27417EE82BAC4AAFFEB8" box="[174,693,238,269]" pageId="2" pageNumber="324" type="nomenclature">
<paragraph id="2F1536F2942B27417EE82BAC4AAFFEB8" blockId="2.[174,693,238,269]" box="[174,693,238,269]" pageId="2" pageNumber="324">
<heading id="745D819E942B27417EE82BAC4AAFFEB8" box="[174,693,238,269]" centered="true" fontSize="12" level="2" pageId="2" pageNumber="324" reason="4">
<emphasis id="1DDEEAE0942B27417EE82BAC4AAFFEB8" bold="true" box="[174,693,238,269]" pageId="2" pageNumber="324">
<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">
<emphasis id="1DDEEAE0942B27417EE82BAC4914FEB8" bold="true" box="[174,270,239,269]" italics="true" pageId="2" pageNumber="324">Nitella</emphasis>
C.Agardh
</taxonomicName>
,
<emphasis id="1DDEEAE0942B27417FE32BAD4A15FEB8" bold="true" box="[421,527,238,269]" italics="true" pageId="2" pageNumber="324">Syst. Alg.</emphasis>
xxvii (1824)
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="67B06579942B27417E242A774A2FFDD9" pageId="2" pageNumber="324" type="diagnosis">
<paragraph id="2F1536F2942B27417E242A774A2FFDD9" blockId="2.[98,770,308,620]" pageId="2" pageNumber="324">
Monoecious or dioecious. Plant axis and branchlets ecorticate.
<emphasis id="1DDEEAE0942B27417EDA2A174911FED9" bold="true" box="[156,267,340,364]" italics="true" pageId="2" pageNumber="324">Stipulodes</emphasis>
absent;
<emphasis id="1DDEEAE0942B27417F2E2A1749C2FED9" bold="true" box="[360,472,340,364]" italics="true" pageId="2" pageNumber="324">branchlets</emphasis>
in 1 whorl, or more than 1 whorl, per node, ecorticate;
<emphasis id="1DDEEAE0942B27417F942A374A87FE3E" bold="true" box="[466,669,372,396]" italics="true" pageId="2" pageNumber="324">primary segments</emphasis>
usually distinctly forked into 28
<emphasis id="1DDEEAE0942B27417FDB2AD04A63FE1E" bold="true" box="[413,633,403,427]" italics="true" pageId="2" pageNumber="324">secondary segments</emphasis>
, or further furcate. Terminal end segments (
<emphasis id="1DDEEAE0942B27417FA82AF74A21FE79" bold="true" box="[494,571,436,460]" italics="true" pageId="2" pageNumber="324">dactyls</emphasis>
) 18 cells long.
<emphasis id="1DDEEAE0942B27417E242A9748FFFE59" bold="true" box="[98,229,468,492]" italics="true" pageId="2" pageNumber="324">Gametangia</emphasis>
arranged at the branchlet nodes, rarely at the axial nodes; antheridia terminal and oosporangia lateral. Helical cells of the oosporangium terminated by a
<emphasis id="1DDEEAE0942B27417CE729574B1BFD99" bold="true" box="[673,769,532,556]" italics="true" pageId="2" pageNumber="324">coronula</emphasis>
of 10 cells, in 2 rows of 5.
<emphasis id="1DDEEAE0942B27417FC2297749FDFDF9" bold="true" box="[388,487,564,588]" italics="true" pageId="2" pageNumber="324">Oospores</emphasis>
usually flattened spheres or ovals, with 13 basal-cell impressions.
</paragraph>
</subSubSection>
<subSubSection id="67B06579942B27417E2429C34A72FD26" box="[98,616,639,659]" pageId="2" pageNumber="324" type="type_taxon">
<paragraph id="2F1536F2942B27417E2429C34A72FD26" blockId="2.[98,616,639,659]" box="[98,616,639,659]" pageId="2" pageNumber="324">
<emphasis id="1DDEEAE0942B27417E2429C34894FD26" bold="true" box="[98,142,640,659]" italics="true" pageId="2" pageNumber="324">
<typeStatus id="F0118850942B27417E2429C34894FD26" box="[98,142,640,659]" pageId="2" pageNumber="324">Type</typeStatus>
</emphasis>
:
<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">
<emphasis id="1DDEEAE0942B27417EDD293C490DFD26" bold="true" box="[155,279,639,659]" italics="true" pageId="2" pageNumber="324">Nitella opaca</emphasis>
(C.Agardh ex Bruzelius) C.Agardh.
</taxonomicName>
</paragraph>
</subSubSection>
<subSubSection id="67B06579942B27417E2429974A84FBAC" pageId="2" pageNumber="324" type="discussion">
<paragraph id="2F1536F2942B27417E24299748F5FCA0" blockId="2.[98,770,724,789]" pageId="2" pageNumber="324">
<heading id="745D819E942B27417E24299748F5FCA0" fontSize="12" level="2" pageId="2" pageNumber="324" reason="3">
<emphasis id="1DDEEAE0942B27417E2429974B18FD47" bold="true" box="[98,770,724,754]" pageId="2" pageNumber="324">
Key to the species of
<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">
<emphasis id="1DDEEAE0942B27417FE129974A1DFD47" bold="true" box="[423,519,724,754]" italics="true" pageId="2" pageNumber="324">Nitella</emphasis>
</taxonomicName>
in the
<collectingRegion id="ED6EF810942B27417C35299748F5FCA0" country="Australia" name="Northern Territory" pageId="2" pageNumber="324">
Northern
<emphasis id="1DDEEAE0942B27417E2429B448F5FCA0" bold="true" box="[98,239,759,789]" pageId="2" pageNumber="324">Territory</emphasis>
</collectingRegion>
</emphasis>
</heading>
</paragraph>
<paragraph id="2F1536F2942B27417EC428024A84FBAC" blockId="2.[98,770,833,1049]" pageId="2" pageNumber="324">
Oospores are a reliable morphological means of identifying species of
<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">
<emphasis id="1DDEEAE0942B27417F4F28224948FCCC" bold="true" box="[265,338,865,889]" italics="true" pageId="2" pageNumber="324">Nitella</emphasis>
</taxonomicName>
.
<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>
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.
<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>
good-quality hand-lens is necessary to see features of the dactyls and whorls in most species.
</paragraph>
</subSubSection>
<subSubSection id="67B06579942B27417E282F164DCBFD3F" pageId="2" pageNumber="324" type="key">
<key id="5B3B61C3942B27417E282F164DCBFD3F" pageId="2" pageNumber="324">
<keyStep id="945E2E57942B27417E282F164B18FB36" pageId="2" pageNumber="324">
<paragraph id="2F1536F2942B27417E282F164B18FBDD" blockId="2.[98,770,1109,1928]" box="[110,770,1109,1128]" pageId="2" pageNumber="324">
<keyLead id="945B95C7942B27417E282F164B18FBDD" box="[110,770,1109,1128]" pageId="2" pageNumber="324">1. Plants monoecious…......................................................................2</keyLead>
</paragraph>
<paragraph id="2F1536F2942B27417ECC2F334B18FB36" blockId="2.[98,770,1109,1928]" box="[138,770,1136,1155]" pageId="2" pageNumber="324">
<keyLead id="945B95C7942B27417ECC2F334B18FB36" box="[138,770,1136,1155]" pageId="2" pageNumber="324">Plants dioecious…..........................................................................5</keyLead>
</paragraph>
</keyStep>
<keyStep id="945E2E57942B27417E282FC94B18FB66" pageId="2" pageNumber="324">
<paragraph id="2F1536F2942B27417E282FC94B18FB02" blockId="2.[98,770,1109,1928]" pageId="2" pageNumber="324">
<keyLead id="945B95C7942B27417E282FC94B18FB02" pageId="2" pageNumber="324">
2. Branchlets once-furcate; dactyls consisting of a single cell….......... ...................................................................................
<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">
<emphasis id="1DDEEAE0942B27417CD72FE64B18FB02" bold="true" box="[657,770,1188,1208]" italics="true" pageId="2" pageNumber="324">N. belangeri</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="2F1536F2942B27417ECC2F834B18FB66" blockId="2.[98,770,1109,1928]" box="[138,770,1216,1235]" pageId="2" pageNumber="324">
<keyLead id="945B95C7942B27417ECC2F834B18FB66" box="[138,770,1216,1235]" pageId="2" pageNumber="324">Branchlets 2 or 3× furcate; dactyls consisting of 2 cells…...........3</keyLead>
</paragraph>
</keyStep>
<keyStep id="945E2E57942B27417E282F994B18FA88" pageId="2" pageNumber="324">
<paragraph id="2F1536F2942B27417E282F994B1BFABD" blockId="2.[98,770,1109,1928]" pageId="2" pageNumber="324">
<keyLead id="945B95C7942B27417E282F994B1BFABD" pageId="2" pageNumber="324">
3. Axes narrow,
<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">0.40.5 mm</quantity>
in diameter; plants less than
<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>
high; dactyls long….............................................................................4
</keyLead>
</paragraph>
<paragraph id="2F1536F2942B27417ECC2E534B18FA88" blockId="2.[98,770,1109,1928]" pageId="2" pageNumber="324">
<keyLead id="945B95C7942B27417ECC2E534B18FA88" pageId="2" pageNumber="324">
Axes ~
<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>
in diameter; plants up to
<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)….........................................
<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">
<emphasis id="1DDEEAE0942B27417CD72E694B18FA88" bold="true" box="[657,770,1322,1341]" italics="true" pageId="2" pageNumber="324">N. tumulosa</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="945E2E57942B27417E282E064B18FA1D" pageId="2" pageNumber="324">
<paragraph id="2F1536F2942B27417E282E064B1BFAC7" blockId="2.[98,770,1109,1928]" pageId="2" pageNumber="324">
<keyLead id="945B95C7942B27417E282E064B1BFAC7" pageId="2" pageNumber="324">
4. Plants unevenly 2(3)× furcate; sterile branchlets ~
<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>
long; end-cells long-conical…..........................................
<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">
<emphasis id="1DDEEAE0942B27417CC42E234B1BFAC7" bold="true" box="[642,769,1375,1395]" italics="true" pageId="2" pageNumber="324">N. townsendii</emphasis>
</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>
long; end-cells shortly conical….....................
<taxonomicName id="E8AA4D71942B27417C092ED64B18FA1D" authorityName="Casanova &amp; 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 68 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 12× 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 23× 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 47; 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 25; 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 wetdry 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 &amp; 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&gt;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; 68 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 &amp; 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 &amp; 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>