295 lines
36 KiB
XML
295 lines
36 KiB
XML
<document id="83B1AC3971B1EF922B8C59323B0EB8AD" ID-DOI="10.1071/SB22029" ID-ISSN="1446-5701" ID-Zenodo-Dep="10904369" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1711995537333" checkinUser="felipe" docAuthor="Casanova, Michelle T. & Karol, Kenneth G." docDate="2023" docId="A70387E4943327597EF528AF4C2FFC52" 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 townsendii Casanova 2023, sp. nov." docType="treatment" docVersion="3" lastPageNumber="348" masterDocId="5B3AFF9C942927437E462B43481AFFB5" masterDocTitle="Charophytes of Australia’s Northern Territory - II. Tribe Nitelleae" masterLastPageNumber="353" masterPageNumber="322" pageNumber="348" updateTime="1711996286696" updateUser="ExternalLinkService">
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<mods:titleInfo id="663C5A812B20A9FE75E8E8B0ABA19420">
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<mods:title id="E4C6EA14E1384009B8342571DA5EBE9B">Charophytes of Australia’s Northern Territory - II. Tribe Nitelleae</mods:title>
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</mods:titleInfo>
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<mods:name id="8F219CF941536431BD3753C7513B6B0D" type="personal">
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<mods:namePart id="8987B1A577D335A6CE4D0F3A4434284D">Casanova, Michelle T.</mods:namePart>
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<mods:name id="016CCA8EDEA66D858CAF9EAECEDEAD89" type="personal">
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<mods:roleTerm id="4E23EBD9CE69220052CC24832BAFCB92">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="7B4345CCF979D2A37B3514821D49B3E7">Karol, Kenneth G.</mods:namePart>
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<mods:typeOfResource id="FEA51A914460AA2584BA58BD107C24E8">text</mods:typeOfResource>
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<mods:titleInfo id="81FBDE4A5C066BCCD73B78F009900D04">
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<mods:title id="09138BF1CF1BD363C373A05E6D9DD041">Australian Systematic Botany</mods:title>
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</mods:titleInfo>
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<mods:part id="D7356F824928F310AB941B34C47F4143">
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<mods:date id="A05C005E2A4FCC736BF33F9012697ACE">2023</mods:date>
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<mods:detail id="A7C7A0D5C2E162D0D161822BBC265320" type="pubDate">
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<mods:number id="9E82F0CBF58512F3699AEFCA2A38AAA6">2023-08-18</mods:number>
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<mods:number id="E2D5528E5F679A701F7D2B5D9A5E2821">36</mods:number>
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<mods:number id="B3136225A0F98FA30C71A5913869AA80">4</mods:number>
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<mods:url id="AA39E893EF51B4BF32D428611F946FF7">http://dx.doi.org/10.1071/sb22029</mods:url>
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</mods:location>
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<mods:classification id="6BBC3FB7B63E39CC4AB82ED4F1D45D39">journal article</mods:classification>
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<mods:identifier id="B3F2D31A566AED58C2E8F5D8596D4FEB" type="DOI">10.1071/SB22029</mods:identifier>
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<mods:identifier id="6BD3406695F45C3BD060F29B2668881E" type="ISSN">1446-5701</mods:identifier>
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<mods:identifier id="32173E82ED6EB3833BD509B9EDFF13D9" type="Zenodo-Dep">10904369</mods:identifier>
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<treatment id="A70387E4943327597EF528AF4C2FFC52" ID-DOI="http://doi.org/10.5281/zenodo.10904359" ID-Zenodo-Dep="10904359" LSID="urn:lsid:plazi:treatment:A70387E4943327597EF528AF4C2FFC52" httpUri="http://treatment.plazi.org/id/A70387E4943327597EF528AF4C2FFC52" lastPageNumber="348" pageId="26" pageNumber="348">
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<subSubSection id="67B06579943327597EF528AF4AAAFBBF" box="[179,688,1004,1035]" pageId="26" pageNumber="348" type="nomenclature">
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<paragraph id="2F1536F2943327597EF528AF4AAAFBBF" blockId="26.[179,688,1004,1035]" box="[179,688,1004,1035]" pageId="26" pageNumber="348">
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<heading id="745D819E943327597EF528AF4AAAFBBF" box="[179,688,1004,1035]" centered="true" fontSize="12" level="2" pageId="26" pageNumber="348" reason="4">
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<emphasis id="1DDEEAE0943327597EF528AF4AAAFBBF" bold="true" box="[179,688,1004,1035]" pageId="26" pageNumber="348">
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||
<taxonomicName id="E8AA4D71943327597EF528AF4A27FBBE" authority="Casanova" authorityName="Casanova" authorityYear="2023" box="[179,573,1004,1035]" class="Charophyceae" family="Characeae" genus="Nitella" kingdom="Plantae" order="Charales" pageId="26" pageNumber="348" phylum="Charophyta" rank="species" species="townsendii" status="sp. nov.">
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<emphasis id="1DDEEAE0943327597EF528AF49AEFBBF" bold="true" box="[179,436,1004,1034]" italics="true" pageId="26" pageNumber="348">Nitella townsendii</emphasis>
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Casanova
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</taxonomicName>
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,
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<taxonomicNameLabel id="06ED579B943327597C0A28AF4AAAFBBF" box="[588,688,1004,1034]" pageId="26" pageNumber="348" rank="species">sp. nov.</taxonomicNameLabel>
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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="67B06579943327597E242F734C3EFDDF" pageId="26" pageNumber="348" type="materials_examined">
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<paragraph id="2F1536F2943327597E242F734948FBE8" blockId="26.[98,769,1071,1117]" pageId="26" pageNumber="348">
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<materialsCitation id="9FC23CAF943327597E242F734954FBE8" collectingDate="2010-05-06" collectionCode="P" location="Livingston" municipality="Parkin Rd" pageId="26" pageNumber="348" specimenCount="1" stateProvince="Northern Territory" typeStatus="holotype">
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<emphasis id="1DDEEAE0943327597E242F734894FBF6" bold="true" box="[98,142,1072,1091]" italics="true" pageId="26" pageNumber="348">
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||
<typeStatus id="F0118850943327597E242F734894FBF6" box="[98,142,1072,1091]" pageId="26" pageNumber="348">Type</typeStatus>
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||
</emphasis>
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||
:
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<collectingRegion id="ED6EF810943327597EDC2F734954FBF6" box="[154,334,1072,1091]" country="Australia" name="Northern Territory" pageId="26" pageNumber="348">Northern Territory</collectingRegion>
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:
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<collectingMunicipality id="CF71AC88943327597F112F7349ACFBF6" box="[343,438,1072,1091]" pageId="26" pageNumber="348">Parkin Rd</collectingMunicipality>
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||
,
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<location id="2A756029943327597F862F734A3FFBF6" LSID="urn:lsid:plazi:treatment:A70387E4943327597EF528AF4C2FFC52:2A756029943327597F862F734A3FFBF6" box="[448,549,1072,1091]" municipality="Parkin Rd" name="Livingston" pageId="26" pageNumber="348" stateProvince="Northern Territory">Livingston</location>
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||
,
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<date id="5B141032943327597C682F734ABBFBF6" box="[558,673,1072,1091]" pageId="26" pageNumber="348" value="2010-05-06">
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<collectingDate id="4B50E9DA943327597C682F734ABBFBF6" box="[558,673,1072,1091]" pageId="26" pageNumber="348" value="2010-05-06">6 May 2010</collectingDate>
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||
</date>
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||
,
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<emphasis id="1DDEEAE0943327597CED2F6C48D3FBE8" bold="true" italics="true" pageId="26" pageNumber="348">
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<collectionCode id="49BBAE37943327597CED2F6C4AA3FBF7" box="[683,697,1071,1090]" country="France" lsid="urn:lsid:biocol.org:col:15763" name="Museum National d' Histoire Naturelle, Paris (MNHN) - Vascular Plants" pageId="26" pageNumber="348" type="Herbarium">P</collectionCode>
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.Dostine 49DW73-4
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</emphasis>
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(holo: DNA!)
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</materialsCitation>
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.
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</paragraph>
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<paragraph id="2F1536F2943327597E242F3749C7F839" blockId="26.[98,770,1140,1932]" pageId="26" pageNumber="348">
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Monoecious.
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<emphasis id="1DDEEAE0943327597EB02F374923FB39" bold="true" box="[246,313,1140,1164]" italics="true" pageId="26" pageNumber="348">Plants</emphasis>
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up to
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<quantity id="E8529B17943327597FC62F3749AEFB39" box="[384,436,1140,1164]" metricMagnitude="-2" metricUnit="m" metricValue="8.0" pageId="26" pageNumber="348" unit="cm" value="8.0">8 cm</quantity>
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high, with mucus; apparently rhizomatous (
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<figureCitation id="B7912A77943327597F402FD74971FB1E" box="[262,363,1172,1196]" captionStart="Fig" captionStartId="27.[187,224,1815,1838]" captionTargetBox="[187,1400,185,1785]" captionTargetId="figure-2@27.[187,1401,184,1785]" captionTargetPageId="27" captionText="Fig. 15. Nitella townsendii (a, b) from specimen J.Schult t841 (MEL), (c–i) from holotype specimen P.Dostine 49DW73-4 (DNA). (a) Habit of whole shoot, scale: 5 mm. (b) Fertile branchlet with central antheridia and lateral oogonia, scale: 1 mm. (c) Sterile dactyls, scale: 0.5 mm. (d) Sterile whorl, scale: 1 mm. (e) Fertile whorl, scale: 1 mm. (f) Oogonium, scale: 100 µm. (g) Branchlet tip with only oogonia and dactyls, scale: 100 µm. (h) Scanning electron microscope (SEM) image of oospore, scale: 100 µm. (i) SEM image of base of oospore, scale: 50 µm. (j) SEM image of detail of oospore wall, scale: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.10904399" httpUri="https://zenodo.org/record/10904399/files/figure.png" pageId="26" pageNumber="348">
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Fig. 15
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<emphasis id="1DDEEAE0943327597F182FD74971FB1E" bold="true" box="[350,363,1172,1195]" italics="true" pageId="26" pageNumber="348">a</emphasis>
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||
</figureCitation>
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||
).
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||
<emphasis id="1DDEEAE0943327597FD72FD749DFFB19" bold="true" box="[401,453,1172,1196]" italics="true" pageId="26" pageNumber="348">Axes</emphasis>
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||
400 µm wide;
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||
<emphasis id="1DDEEAE0943327597CD72FD04B18FB1E" bold="true" box="[657,770,1171,1195]" italics="true" pageId="26" pageNumber="348">internodes</emphasis>
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||
<quantity id="E8529B17943327597E242FF748CFFB7E" box="[98,213,1204,1228]" metricMagnitude="-2" metricUnit="m" metricValue="1.5" metricValueMax="2.0" metricValueMin="1.0" pageId="26" pageNumber="348" unit="mm" value="15.0" valueMax="20.0" valueMin="10.0">10–20 mm</quantity>
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long, often longer than the sterile branchlets.
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<emphasis id="1DDEEAE0943327597E242F97493BFB59" bold="true" box="[98,289,1236,1260]" italics="true" pageId="26" pageNumber="348">Fertile branchlets</emphasis>
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||
<quantity id="E8529B17943327597F6A2F97496EFB59" box="[300,372,1236,1260]" metricMagnitude="-1" metricUnit="m" metricValue="1.778" metricValueMax="2.032" metricValueMin="1.524" pageId="26" pageNumber="348" unit="in" value="7.0" valueMax="8.0" valueMin="6.0">6–8 in</quantity>
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||
a whorl (
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<figureCitation id="B7912A77943327597FA02F974A24FB5E" box="[486,574,1236,1260]" captionStart="Fig" captionStartId="27.[187,224,1815,1838]" captionTargetBox="[187,1400,185,1785]" captionTargetId="figure-2@27.[187,1401,184,1785]" captionTargetPageId="27" captionText="Fig. 15. Nitella townsendii (a, b) from specimen J.Schult t841 (MEL), (c–i) from holotype specimen P.Dostine 49DW73-4 (DNA). (a) Habit of whole shoot, scale: 5 mm. (b) Fertile branchlet with central antheridia and lateral oogonia, scale: 1 mm. (c) Sterile dactyls, scale: 0.5 mm. (d) Sterile whorl, scale: 1 mm. (e) Fertile whorl, scale: 1 mm. (f) Oogonium, scale: 100 µm. (g) Branchlet tip with only oogonia and dactyls, scale: 100 µm. (h) Scanning electron microscope (SEM) image of oospore, scale: 100 µm. (i) SEM image of base of oospore, scale: 50 µm. (j) SEM image of detail of oospore wall, scale: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.10904399" httpUri="https://zenodo.org/record/10904399/files/figure.png" pageId="26" pageNumber="348">
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Fig. 15
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<emphasis id="1DDEEAE0943327597C752F974A24FB5E" bold="true" box="[563,574,1236,1259]" italics="true" pageId="26" pageNumber="348">e</emphasis>
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||
</figureCitation>
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); 2×furcate;
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<emphasis id="1DDEEAE0943327597C9D2F97491CFABE" bold="true" italics="true" pageId="26" pageNumber="348">primary segments</emphasis>
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to
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||
<quantity id="E8529B17943327597F722FB749BAFABE" box="[308,416,1268,1292]" metricMagnitude="-3" metricUnit="m" metricValue="2.75" metricValueMax="4.0" metricValueMin="1.5" pageId="26" pageNumber="348" unit="mm" value="2.75" valueMax="4.0" valueMin="1.5">1.5–4 mm</quantity>
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long;
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<emphasis id="1DDEEAE0943327597FAA2FB04ADCFABE" bold="true" box="[492,710,1267,1291]" italics="true" pageId="26" pageNumber="348">secondary segments</emphasis>
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4–7, some without gametangia up to
|
||
<quantity id="E8529B17943327597FFE2E5749ECFA9E" box="[440,502,1300,1324]" metricMagnitude="-3" metricUnit="m" metricValue="3.0" pageId="26" pageNumber="348" unit="mm" value="3.0">3 mm</quantity>
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||
long; some much shorter (
|
||
<quantity id="E8529B17943327597E2C2E7748A4FAF9" box="[106,190,1332,1356]" metricMagnitude="-4" metricUnit="m" metricValue="8.0" pageId="26" pageNumber="348" unit="mm" value="0.8">0.8 mm</quantity>
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) and with gametangia; 2–4 tertiary segments
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||
<quantity id="E8529B17943327597E242E1748D4FADE" box="[98,206,1364,1388]" metricMagnitude="-4" metricUnit="m" metricValue="8.0" metricValueMax="10.0" metricValueMin="6.0" pageId="26" pageNumber="348" unit="mm" value="0.8" valueMax="1.0" valueMin="0.6">0.6–1 mm</quantity>
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||
long.
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||
<emphasis id="1DDEEAE0943327597F5D2E1049C7FADE" bold="true" box="[283,477,1363,1387]" italics="true" pageId="26" pageNumber="348">Sterile branchlets</emphasis>
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||
<quantity id="E8529B17943327597FAC2E174A01FAD9" box="[490,539,1364,1388]" metricMagnitude="-1" metricUnit="m" metricValue="1.524" pageId="26" pageNumber="348" unit="in" value="6.0">6 in</quantity>
|
||
a whorl (
|
||
<figureCitation id="B7912A77943327597CD22E174AEBFADE" box="[660,753,1363,1388]" captionStart="Fig" captionStartId="27.[187,224,1815,1838]" captionTargetBox="[187,1400,185,1785]" captionTargetId="figure-2@27.[187,1401,184,1785]" captionTargetPageId="27" captionText="Fig. 15. Nitella townsendii (a, b) from specimen J.Schult t841 (MEL), (c–i) from holotype specimen P.Dostine 49DW73-4 (DNA). (a) Habit of whole shoot, scale: 5 mm. (b) Fertile branchlet with central antheridia and lateral oogonia, scale: 1 mm. (c) Sterile dactyls, scale: 0.5 mm. (d) Sterile whorl, scale: 1 mm. (e) Fertile whorl, scale: 1 mm. (f) Oogonium, scale: 100 µm. (g) Branchlet tip with only oogonia and dactyls, scale: 100 µm. (h) Scanning electron microscope (SEM) image of oospore, scale: 100 µm. (i) SEM image of base of oospore, scale: 50 µm. (j) SEM image of detail of oospore wall, scale: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.10904399" httpUri="https://zenodo.org/record/10904399/files/figure.png" pageId="26" pageNumber="348">
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||
Fig. 15
|
||
<emphasis id="1DDEEAE0943327597CA22E104AEBFADE" bold="true" box="[740,753,1363,1387]" italics="true" pageId="26" pageNumber="348">d</emphasis>
|
||
</figureCitation>
|
||
); unevenly 2 or 3×furcate;
|
||
<emphasis id="1DDEEAE0943327597FDB2E374A45FA3E" bold="true" box="[413,607,1396,1420]" italics="true" pageId="26" pageNumber="348">primary segments</emphasis>
|
||
up to
|
||
<quantity id="E8529B17943327597CF22E374B1BFA3E" box="[692,769,1396,1420]" metricMagnitude="-2" metricUnit="m" metricValue="1.5" pageId="26" pageNumber="348" unit="mm" value="15.0">15 mm</quantity>
|
||
long;
|
||
<emphasis id="1DDEEAE0943327597EEE2ED7499EFA1E" bold="true" box="[168,388,1428,1452]" italics="true" pageId="26" pageNumber="348">secondary segments</emphasis>
|
||
5–7, up to
|
||
<quantity id="E8529B17943327597C582ED74A46FA19" box="[542,604,1428,1452]" metricMagnitude="-3" metricUnit="m" metricValue="6.0" pageId="26" pageNumber="348" unit="mm" value="6.0">6 mm</quantity>
|
||
long;
|
||
<emphasis id="1DDEEAE0943327597CF62ED748D8FA7E" bold="true" italics="true" pageId="26" pageNumber="348">tertiary segments</emphasis>
|
||
6–8, up to
|
||
<quantity id="E8529B17943327597F122EF74989FA7E" box="[340,403,1460,1484]" metricMagnitude="-3" metricUnit="m" metricValue="8.0" pageId="26" pageNumber="348" unit="mm" value="8.0">8 mm</quantity>
|
||
long.
|
||
<emphasis id="1DDEEAE0943327597FA22EF04B18FA7E" bold="true" box="[484,770,1459,1483]" italics="true" pageId="26" pageNumber="348">Fertile and sterile dactyls</emphasis>
|
||
similar, bicellulate; 0.5–0.8 μm long, tapering to a long, conical, acute end-cell (
|
||
<figureCitation id="B7912A77943327597FC02EB74A1CF9BE" box="[390,518,1524,1548]" captionStart="Fig" captionStartId="27.[187,224,1815,1838]" captionTargetBox="[187,1400,185,1785]" captionTargetId="figure-2@27.[187,1401,184,1785]" captionTargetPageId="27" captionText="Fig. 15. Nitella townsendii (a, b) from specimen J.Schult t841 (MEL), (c–i) from holotype specimen P.Dostine 49DW73-4 (DNA). (a) Habit of whole shoot, scale: 5 mm. (b) Fertile branchlet with central antheridia and lateral oogonia, scale: 1 mm. (c) Sterile dactyls, scale: 0.5 mm. (d) Sterile whorl, scale: 1 mm. (e) Fertile whorl, scale: 1 mm. (f) Oogonium, scale: 100 µm. (g) Branchlet tip with only oogonia and dactyls, scale: 100 µm. (h) Scanning electron microscope (SEM) image of oospore, scale: 100 µm. (i) SEM image of base of oospore, scale: 50 µm. (j) SEM image of detail of oospore wall, scale: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.10904399" httpUri="https://zenodo.org/record/10904399/files/figure.png" pageId="26" pageNumber="348">
|
||
Fig. 15
|
||
<emphasis id="1DDEEAE0943327597F9D2EB749FCF9BE" bold="true" box="[475,486,1524,1547]" italics="true" pageId="26" pageNumber="348">c</emphasis>
|
||
,
|
||
<emphasis id="1DDEEAE0943327597FBD2EB74A1CF9BE" bold="true" box="[507,518,1524,1547]" italics="true" pageId="26" pageNumber="348">g</emphasis>
|
||
</figureCitation>
|
||
).
|
||
<emphasis id="1DDEEAE0943327597C632EB74A72F9B9" bold="true" box="[549,616,1524,1548]" italics="true" pageId="26" pageNumber="348">Heads</emphasis>
|
||
not formed; fertile branchlets somewhat contracted; mucus abundant around the gametangia (
|
||
<figureCitation id="B7912A77943327597F3C2D7749C9F9FE" box="[378,467,1588,1612]" captionStart="Fig" captionStartId="27.[187,224,1815,1838]" captionTargetBox="[187,1400,185,1785]" captionTargetId="figure-2@27.[187,1401,184,1785]" captionTargetPageId="27" captionText="Fig. 15. Nitella townsendii (a, b) from specimen J.Schult t841 (MEL), (c–i) from holotype specimen P.Dostine 49DW73-4 (DNA). (a) Habit of whole shoot, scale: 5 mm. (b) Fertile branchlet with central antheridia and lateral oogonia, scale: 1 mm. (c) Sterile dactyls, scale: 0.5 mm. (d) Sterile whorl, scale: 1 mm. (e) Fertile whorl, scale: 1 mm. (f) Oogonium, scale: 100 µm. (g) Branchlet tip with only oogonia and dactyls, scale: 100 µm. (h) Scanning electron microscope (SEM) image of oospore, scale: 100 µm. (i) SEM image of base of oospore, scale: 50 µm. (j) SEM image of detail of oospore wall, scale: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.10904399" httpUri="https://zenodo.org/record/10904399/files/figure.png" pageId="26" pageNumber="348">
|
||
Fig. 15
|
||
<emphasis id="1DDEEAE0943327597F8E2D7749C9F9FE" bold="true" box="[456,467,1588,1611]" italics="true" pageId="26" pageNumber="348">e</emphasis>
|
||
</figureCitation>
|
||
).
|
||
<emphasis id="1DDEEAE0943327597FAD2D774A74F9F9" bold="true" box="[491,622,1588,1612]" italics="true" pageId="26" pageNumber="348">Gametangia</emphasis>
|
||
conjoined at the fertile branchlet nodes, but antheridia appear to dehisce before oogonia mature (
|
||
<figureCitation id="B7912A77943327597F952D374A34F93E" box="[467,558,1651,1676]" captionStart="Fig" captionStartId="27.[187,224,1815,1838]" captionTargetBox="[187,1400,185,1785]" captionTargetId="figure-2@27.[187,1401,184,1785]" captionTargetPageId="27" captionText="Fig. 15. Nitella townsendii (a, b) from specimen J.Schult t841 (MEL), (c–i) from holotype specimen P.Dostine 49DW73-4 (DNA). (a) Habit of whole shoot, scale: 5 mm. (b) Fertile branchlet with central antheridia and lateral oogonia, scale: 1 mm. (c) Sterile dactyls, scale: 0.5 mm. (d) Sterile whorl, scale: 1 mm. (e) Fertile whorl, scale: 1 mm. (f) Oogonium, scale: 100 µm. (g) Branchlet tip with only oogonia and dactyls, scale: 100 µm. (h) Scanning electron microscope (SEM) image of oospore, scale: 100 µm. (i) SEM image of base of oospore, scale: 50 µm. (j) SEM image of detail of oospore wall, scale: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.10904399" httpUri="https://zenodo.org/record/10904399/files/figure.png" pageId="26" pageNumber="348">
|
||
Fig. 15
|
||
<emphasis id="1DDEEAE0943327597C642D304A34F93E" bold="true" box="[546,558,1651,1675]" italics="true" pageId="26" pageNumber="348">b</emphasis>
|
||
</figureCitation>
|
||
).
|
||
<emphasis id="1DDEEAE0943327597C012D374ACBF939" bold="true" box="[583,721,1652,1676]" italics="true" pageId="26" pageNumber="348">Oosporangia</emphasis>
|
||
single or geminate (
|
||
<figureCitation id="B7912A77943327597F592DD7498BF91E" box="[287,401,1684,1708]" captionStart="Fig" captionStartId="27.[187,224,1815,1838]" captionTargetBox="[187,1400,185,1785]" captionTargetId="figure-2@27.[187,1401,184,1785]" captionTargetPageId="27" captionText="Fig. 15. Nitella townsendii (a, b) from specimen J.Schult t841 (MEL), (c–i) from holotype specimen P.Dostine 49DW73-4 (DNA). (a) Habit of whole shoot, scale: 5 mm. (b) Fertile branchlet with central antheridia and lateral oogonia, scale: 1 mm. (c) Sterile dactyls, scale: 0.5 mm. (d) Sterile whorl, scale: 1 mm. (e) Fertile whorl, scale: 1 mm. (f) Oogonium, scale: 100 µm. (g) Branchlet tip with only oogonia and dactyls, scale: 100 µm. (h) Scanning electron microscope (SEM) image of oospore, scale: 100 µm. (i) SEM image of base of oospore, scale: 50 µm. (j) SEM image of detail of oospore wall, scale: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.10904399" httpUri="https://zenodo.org/record/10904399/files/figure.png" pageId="26" pageNumber="348">
|
||
Fig. 15
|
||
<emphasis id="1DDEEAE0943327597F2B2DD74963F919" bold="true" box="[365,377,1684,1708]" italics="true" pageId="26" pageNumber="348">b</emphasis>
|
||
,
|
||
<emphasis id="1DDEEAE0943327597FC02DD7498BF91E" bold="true" box="[390,401,1684,1707]" italics="true" pageId="26" pageNumber="348">g</emphasis>
|
||
</figureCitation>
|
||
), up to 350 µm long;
|
||
<emphasis id="1DDEEAE0943327597C392DD74AC5F919" bold="true" box="[639,735,1684,1708]" italics="true" pageId="26" pageNumber="348">coronula</emphasis>
|
||
up to 15 µm high, upper cells longer (
|
||
<figureCitation id="B7912A77943327597FB72DF74A53F979" box="[497,585,1716,1740]" captionStart="Fig" captionStartId="27.[187,224,1815,1838]" captionTargetBox="[187,1400,185,1785]" captionTargetId="figure-2@27.[187,1401,184,1785]" captionTargetPageId="27" captionText="Fig. 15. Nitella townsendii (a, b) from specimen J.Schult t841 (MEL), (c–i) from holotype specimen P.Dostine 49DW73-4 (DNA). (a) Habit of whole shoot, scale: 5 mm. (b) Fertile branchlet with central antheridia and lateral oogonia, scale: 1 mm. (c) Sterile dactyls, scale: 0.5 mm. (d) Sterile whorl, scale: 1 mm. (e) Fertile whorl, scale: 1 mm. (f) Oogonium, scale: 100 µm. (g) Branchlet tip with only oogonia and dactyls, scale: 100 µm. (h) Scanning electron microscope (SEM) image of oospore, scale: 100 µm. (i) SEM image of base of oospore, scale: 50 µm. (j) SEM image of detail of oospore wall, scale: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.10904399" httpUri="https://zenodo.org/record/10904399/files/figure.png" pageId="26" pageNumber="348">
|
||
Fig. 15
|
||
<emphasis id="1DDEEAE0943327597C072DF74A53F979" bold="true" box="[577,585,1716,1740]" italics="true" pageId="26" pageNumber="348">f</emphasis>
|
||
</figureCitation>
|
||
).
|
||
<emphasis id="1DDEEAE0943327597C252DF74ADCF979" bold="true" box="[611,710,1716,1740]" italics="true" pageId="26" pageNumber="348">Oospores</emphasis>
|
||
dark brown, 190–230 µm long × 180–190 µm wide with 7 or 8 striae (
|
||
<figureCitation id="B7912A77943327597E932DB74923F8B9" box="[213,313,1780,1804]" captionStart="Fig" captionStartId="27.[187,224,1815,1838]" captionTargetBox="[187,1400,185,1785]" captionTargetId="figure-2@27.[187,1401,184,1785]" captionTargetPageId="27" captionText="Fig. 15. Nitella townsendii (a, b) from specimen J.Schult t841 (MEL), (c–i) from holotype specimen P.Dostine 49DW73-4 (DNA). (a) Habit of whole shoot, scale: 5 mm. (b) Fertile branchlet with central antheridia and lateral oogonia, scale: 1 mm. (c) Sterile dactyls, scale: 0.5 mm. (d) Sterile whorl, scale: 1 mm. (e) Fertile whorl, scale: 1 mm. (f) Oogonium, scale: 100 µm. (g) Branchlet tip with only oogonia and dactyls, scale: 100 µm. (h) Scanning electron microscope (SEM) image of oospore, scale: 100 µm. (i) SEM image of base of oospore, scale: 50 µm. (j) SEM image of detail of oospore wall, scale: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.10904399" httpUri="https://zenodo.org/record/10904399/files/figure.png" pageId="26" pageNumber="348">
|
||
Fig. 15
|
||
<emphasis id="1DDEEAE0943327597F6A2DB74923F8B9" bold="true" box="[300,313,1780,1804]" italics="true" pageId="26" pageNumber="348">h</emphasis>
|
||
</figureCitation>
|
||
) with robust, figured, porate flanges ~5 μm high; ornamentation of ropy, sinuous vermiculae and verrucae (
|
||
<figureCitation id="B7912A77943327597F492C774973F8F9" box="[271,361,1844,1868]" captionStart="Fig" captionStartId="27.[187,224,1815,1838]" captionTargetBox="[187,1400,185,1785]" captionTargetId="figure-2@27.[187,1401,184,1785]" captionTargetPageId="27" captionText="Fig. 15. Nitella townsendii (a, b) from specimen J.Schult t841 (MEL), (c–i) from holotype specimen P.Dostine 49DW73-4 (DNA). (a) Habit of whole shoot, scale: 5 mm. (b) Fertile branchlet with central antheridia and lateral oogonia, scale: 1 mm. (c) Sterile dactyls, scale: 0.5 mm. (d) Sterile whorl, scale: 1 mm. (e) Fertile whorl, scale: 1 mm. (f) Oogonium, scale: 100 µm. (g) Branchlet tip with only oogonia and dactyls, scale: 100 µm. (h) Scanning electron microscope (SEM) image of oospore, scale: 100 µm. (i) SEM image of base of oospore, scale: 50 µm. (j) SEM image of detail of oospore wall, scale: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.10904399" httpUri="https://zenodo.org/record/10904399/files/figure.png" pageId="26" pageNumber="348">
|
||
Fig. 15
|
||
<emphasis id="1DDEEAE0943327597F242C774973F8F9" bold="true" box="[354,361,1844,1868]" italics="true" pageId="26" pageNumber="348">j</emphasis>
|
||
</figureCitation>
|
||
). End-cell impressions quite small (
|
||
<figureCitation id="B7912A77943327597E2A2C1748DEF8D9" box="[108,196,1876,1900]" captionStart="Fig" captionStartId="27.[187,224,1815,1838]" captionTargetBox="[187,1400,185,1785]" captionTargetId="figure-2@27.[187,1401,184,1785]" captionTargetPageId="27" captionText="Fig. 15. Nitella townsendii (a, b) from specimen J.Schult t841 (MEL), (c–i) from holotype specimen P.Dostine 49DW73-4 (DNA). (a) Habit of whole shoot, scale: 5 mm. (b) Fertile branchlet with central antheridia and lateral oogonia, scale: 1 mm. (c) Sterile dactyls, scale: 0.5 mm. (d) Sterile whorl, scale: 1 mm. (e) Fertile whorl, scale: 1 mm. (f) Oogonium, scale: 100 µm. (g) Branchlet tip with only oogonia and dactyls, scale: 100 µm. (h) Scanning electron microscope (SEM) image of oospore, scale: 100 µm. (i) SEM image of base of oospore, scale: 50 µm. (j) SEM image of detail of oospore wall, scale: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.10904399" httpUri="https://zenodo.org/record/10904399/files/figure.png" pageId="26" pageNumber="348">
|
||
Fig. 15
|
||
<emphasis id="1DDEEAE0943327597EFB2C1748DEF8D9" bold="true" box="[189,196,1876,1900]" italics="true" pageId="26" pageNumber="348">i</emphasis>
|
||
</figureCitation>
|
||
).
|
||
<emphasis id="1DDEEAE0943327597E982C174948F8D9" bold="true" box="[222,338,1876,1900]" italics="true" pageId="26" pageNumber="348">Antheridia</emphasis>
|
||
up to 150 µm in diameter (
|
||
<figureCitation id="B7912A77943327597CDE2C174AEAF8D9" box="[664,752,1876,1900]" captionStart="Fig" captionStartId="27.[187,224,1815,1838]" captionTargetBox="[187,1400,185,1785]" captionTargetId="figure-2@27.[187,1401,184,1785]" captionTargetPageId="27" captionText="Fig. 15. Nitella townsendii (a, b) from specimen J.Schult t841 (MEL), (c–i) from holotype specimen P.Dostine 49DW73-4 (DNA). (a) Habit of whole shoot, scale: 5 mm. (b) Fertile branchlet with central antheridia and lateral oogonia, scale: 1 mm. (c) Sterile dactyls, scale: 0.5 mm. (d) Sterile whorl, scale: 1 mm. (e) Fertile whorl, scale: 1 mm. (f) Oogonium, scale: 100 µm. (g) Branchlet tip with only oogonia and dactyls, scale: 100 µm. (h) Scanning electron microscope (SEM) image of oospore, scale: 100 µm. (i) SEM image of base of oospore, scale: 50 µm. (j) SEM image of detail of oospore wall, scale: 20 µm." figureDoi="http://doi.org/10.5281/zenodo.10904399" httpUri="https://zenodo.org/record/10904399/files/figure.png" pageId="26" pageNumber="348">
|
||
Fig. 15
|
||
<emphasis id="1DDEEAE0943327597CAF2C174AEAF8D9" bold="true" box="[745,752,1876,1900]" italics="true" pageId="26" pageNumber="348">i</emphasis>
|
||
</figureCitation>
|
||
).
|
||
<emphasis id="1DDEEAE0943327597E242C374949F839" bold="true" box="[98,339,1908,1932]" italics="true" pageId="26" pageNumber="348">Chromosome numbers</emphasis>
|
||
not known.
|
||
</paragraph>
|
||
<paragraph id="2F1536F2943327597D742BF24C38FF78" blockId="26.[818,1058,177,205]" box="[818,1058,177,205]" pageId="26" pageNumber="348">
|
||
<heading id="745D819E943327597D742BF24C38FF78" bold="true" box="[818,1058,177,205]" fontSize="11" level="3" pageId="26" pageNumber="348" reason="9">
|
||
<emphasis id="1DDEEAE0943327597D742BF24C38FF78" bold="true" box="[818,1058,177,205]" pageId="26" pageNumber="348">Taxonomic notes</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="2F1536F2943327597D742BA74D73FEC9" blockId="26.[818,1490,228,381]" pageId="26" pageNumber="348">
|
||
The oospores and other morphological characters of this species are most similar to
|
||
<taxonomicName id="E8AA4D71943327597A1B2A474D8FFEA9" authority="J. Groves" authorityName="J. Groves" box="[1117,1429,260,284]" class="Charophyceae" family="Characeae" genus="Nitella" kingdom="Plantae" order="Charales" pageId="26" pageNumber="348" phylum="Charophyta" rank="species" species="vermiculata">
|
||
<emphasis id="1DDEEAE0943327597A1B2A474D2AFEA9" bold="true" box="[1117,1328,260,284]" italics="true" pageId="26" pageNumber="348">Nitella vermiculata</emphasis>
|
||
J.Groves
|
||
</taxonomicName>
|
||
from
|
||
<collectingCountry id="57BD7662943327597D742A674BAFFE89" box="[818,949,292,316]" name="Madagascar" pageId="26" pageNumber="348">Madagascar</collectingCountry>
|
||
; however, the diameter of the vermiculate elements on the oospore wall of
|
||
<taxonomicName id="E8AA4D71943327597A602A074CD2FEEE" box="[1062,1224,323,347]" class="Charophyceae" family="Characeae" genus="Nitella" kingdom="Plantae" order="Charales" pageId="26" pageNumber="348" phylum="Charophyta" rank="species" species="vermiculata">
|
||
<emphasis id="1DDEEAE0943327597A602A074CD2FEEE" bold="true" box="[1062,1224,323,347]" italics="true" pageId="26" pageNumber="348">N. vermiculata</emphasis>
|
||
</taxonomicName>
|
||
are much narrower, and
|
||
<taxonomicName id="E8AA4D71943327597D742A274BD2FEC9" authorityName="Casanova" authorityYear="2023" box="[818,968,356,380]" class="Charophyceae" family="Characeae" genus="Nitella" kingdom="Plantae" order="Charales" pageId="26" pageNumber="348" phylum="Charophyta" rank="species" species="townsendii">
|
||
<emphasis id="1DDEEAE0943327597D742A274BD2FEC9" bold="true" box="[818,968,356,380]" italics="true" pageId="26" pageNumber="348">N. townsendii</emphasis>
|
||
</taxonomicName>
|
||
has a more ropy and perforate flange.
|
||
</paragraph>
|
||
<paragraph id="2F1536F2943327597D742ADC4BCFFE0E" blockId="26.[818,981,415,443]" box="[818,981,415,443]" pageId="26" pageNumber="348">
|
||
<heading id="745D819E943327597D742ADC4BCFFE0E" bold="true" box="[818,981,415,443]" fontSize="11" level="3" pageId="26" pageNumber="348" reason="9">
|
||
<emphasis id="1DDEEAE0943327597D742ADC4BCFFE0E" bold="true" box="[818,981,415,443]" pageId="26" pageNumber="348">Recognition</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="2F1536F2943327597D742A914C3EFDDF" blockId="26.[818,1490,466,618]" pageId="26" pageNumber="348">
|
||
<taxonomicName id="E8AA4D71943327597D742A914BE2FE5F" authorityName="Casanova" authorityYear="2023" box="[818,1016,466,490]" class="Charophyceae" family="Characeae" genus="Nitella" kingdom="Plantae" order="Charales" pageId="26" pageNumber="348" phylum="Charophyta" rank="species" species="townsendii">
|
||
<emphasis id="1DDEEAE0943327597D742A914BE2FE5F" bold="true" box="[818,1016,466,490]" italics="true" pageId="26" pageNumber="348">Nitella townsendii</emphasis>
|
||
</taxonomicName>
|
||
is monoecious and has bicellulate dactyls and viscous mucus around the gametangia. The dactyls are somewhat in-curved at their tips, and the branchlets have more than five segments at each furcation. The oospores are especially distinctive.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="67B06579943327597D7429CE4CD8FD6C" box="[818,1218,653,729]" pageId="26" pageNumber="348" type="distribution">
|
||
<paragraph id="2F1536F2943327597D7429CE4BC2FD1C" blockId="26.[818,984,653,681]" box="[818,984,653,681]" pageId="26" pageNumber="348">
|
||
<heading id="745D819E943327597D7429CE4BC2FD1C" bold="true" box="[818,984,653,681]" fontSize="11" level="3" pageId="26" pageNumber="348" reason="9">
|
||
<emphasis id="1DDEEAE0943327597D7429CE4BC2FD1C" bold="true" box="[818,984,653,681]" pageId="26" pageNumber="348">Distribution</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="2F1536F2943327597D7429824CD8FD6C" blockId="26.[818,1218,705,729]" box="[818,1218,705,729]" pageId="26" pageNumber="348">Rivers and streams around Darwin.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="67B06579943327597D7429BF4C2FFC52" pageId="26" pageNumber="348" type="etymology">
|
||
<paragraph id="2F1536F2943327597D7429BF4BDFFCAD" blockId="26.[818,965,764,792]" box="[818,965,764,792]" pageId="26" pageNumber="348">
|
||
<heading id="745D819E943327597D7429BF4BDFFCAD" bold="true" box="[818,965,764,792]" fontSize="11" level="3" pageId="26" pageNumber="348" reason="9">
|
||
<emphasis id="1DDEEAE0943327597D7429BF4BDFFCAD" bold="true" box="[818,965,764,792]" pageId="26" pageNumber="348">Etymology</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="2F1536F2943327597D74286C4C4DFCD2" blockId="26.[818,1490,815,871]" pageId="26" pageNumber="348">
|
||
Named for Simon Townsend, who has collected charophytes in the
|
||
<collectingRegion id="ED6EF810943327597D3A280C4C49FCD2" box="[892,1107,847,871]" country="Australia" name="Northern Territory" pageId="26" pageNumber="348">Northern Territory</collectingRegion>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="2F1536F2943327597D7428C94C4FFC13" blockId="26.[818,1109,906,934]" box="[818,1109,906,934]" pageId="26" pageNumber="348">
|
||
<heading id="745D819E943327597D7428C94C4FFC13" bold="true" box="[818,1109,906,934]" fontSize="11" level="3" pageId="26" pageNumber="348" reason="9">
|
||
<emphasis id="1DDEEAE0943327597D7428C94C4FFC13" bold="true" box="[818,1109,906,934]" pageId="26" pageNumber="348">Specimens examined</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="2F1536F2943327597D7428FA4C2FFC52" blockId="26.[818,1490,953,999]" pageId="26" pageNumber="348">
|
||
<materialsCitation id="9FC23CAF943327597D7428FA4B66FC52" collectingDate="2011-05-04" collectionCode="J" location="Darwin River" municipality="Billabong" pageId="26" pageNumber="348" specimenCount="1" stateProvince="Northern Territory">
|
||
<collectingRegion id="ED6EF810943327597D7428FA4C3FFC79" box="[818,1061,953,972]" country="Australia" name="Northern Territory" pageId="26" pageNumber="348">NORTHERN TERRITORY</collectingRegion>
|
||
:
|
||
<collectingMunicipality id="CF71AC88943327597A7728FA4C91FC79" box="[1073,1163,953,972]" pageId="26" pageNumber="348">Billabong</collectingMunicipality>
|
||
next to the
|
||
<location id="2A756029943327597B4F28FA4D90FC79" LSID="urn:lsid:plazi:treatment:A70387E4943327597EF528AF4C2FFC52:2A756029943327597B4F28FA4D90FC79" box="[1289,1418,953,972]" municipality="Billabong" name="Darwin River" pageId="26" pageNumber="348" stateProvince="Northern Territory">Darwin River</location>
|
||
<date id="5B141032943327597BD528FA4B7EFC52" pageId="26" pageNumber="348" value="2011-05-04">
|
||
<collectingDate id="4B50E9DA943327597BD528FA4B7EFC52" pageId="26" pageNumber="348" value="2011-05-04">4 May 2011</collectingDate>
|
||
</date>
|
||
,
|
||
<emphasis id="1DDEEAE0943327597D2928974BF6FC52" bold="true" box="[879,1004,980,999]" italics="true" pageId="26" pageNumber="348">
|
||
<collectionCode id="49BBAE37943327597D2928974B66FC52" box="[879,892,980,999]" country="South Africa" lsid="urn:lsid:biocol.org:col:14647" name="University of the Witwatersrand" pageId="26" pageNumber="348" type="Herbarium">J</collectionCode>
|
||
.
|
||
<materialsCitation id="9FC23CAF943327597D3928974C2BFC52" box="[895,1073,980,999]" collectionCode="MEL" location="Schult" pageId="26" pageNumber="348" specimenCount="1" stateProvince="NORTHERN TERRITORY">
|
||
<location id="2A756029943327597D3928974BA3FC52" LSID="urn:lsid:plazi:treatment:A70387E4943327597EF528AF4C2FFC52:2A756029943327597D3928974BA3FC52" box="[895,953,980,999]" name="Schult" pageId="26" pageNumber="348" stateProvince="NORTHERN TERRITORY">Schult</location>
|
||
t841 (
|
||
<collectionCode id="49BBAE37943327597DBF28974C31FC52" box="[1017,1067,980,999]" country="Nicaragua" httpUri="http://grbio.org/cool/hd8z-yxxc" name="Museo Entomologico de Leon" pageId="26" pageNumber="348" type="Museum or Herbarium: Private non-profit">MEL</collectionCode>
|
||
)
|
||
</materialsCitation>
|
||
</emphasis>
|
||
</materialsCitation>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |