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205 lines
17 KiB
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<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.124.34728" ID-GBIF-Dataset="98d0722c-e128-48e6-bb7b-5f9ed0782b3b" ID-PMC="PMC6599183" ID-Pensoft-Pub="1314-2003-124-123" ID-Pensoft-UUID="FFACFF8BFFD62072FF89FF8E2652265D" ID-PubMed="31274980" ID-Zenodo-Dep="3261876" ModsDocAuthor="" ModsDocDate="2019" ModsDocID="1314-2003-124-123" ModsDocOrigin="PhytoKeys 124" ModsDocTitle="Thismiadomei and T.terengganuensis (Thismiaceae), two new species, and T.javanica, a new record from Terengganu, Peninsular Malaysia" checkinTime="1561202157317" checkinUser="pensoft" docAuthor="Yunoh, Siti-Munirah Mat & Nikong, Dome" docDate="2019" docId="EDA2B24C99B320AEC854E8C3FCB30909" docLanguage="en" docName="PhytoKeys 124: 123-137" docOrigin="PhytoKeys 124" docSource="http://dx.doi.org/10.3897/phytokeys.124.34728" docTitle="Thismia terengganuensis M. Y. Siti-Munirah 2019, sp. nov." docType="treatment" docVersion="6" id="FFACFF8BFFD62072FF89FF8E2652265D" lastPageNumber="129" masterDocId="FFACFF8BFFD62072FF89FF8E2652265D" masterDocTitle="Thismia domei and T. terengganuensis (Thismiaceae), two new species, and T. javanica, a new record from Terengganu, Peninsular Malaysia" masterLastPageNumber="137" masterPageNumber="123" pageNumber="127" updateTime="1668139324534" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Thismia domei and T. terengganuensis (Thismiaceae), two new species, and T. javanica, a new record from Terengganu, Peninsular Malaysia</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Yunoh, Siti-Munirah Mat</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Nikong, Dome</mods:namePart>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>PhytoKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2019</mods:date>
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<mods:detail type="volume">
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<mods:number>124</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>123</mods:start>
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<mods:end>137</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/phytokeys.124.34728</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.124.34728</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2003-124-123</mods:identifier>
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<mods:identifier type="Pensoft-UUID">FFACFF8BFFD62072FF89FF8E2652265D</mods:identifier>
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<mods:identifier type="Zenodo-Dep">3261876</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="158363983" LSID="urn:lsid:plazi:treatment:EDA2B24C99B320AEC854E8C3FCB30909" httpUri="http://treatment.plazi.org/id/EDA2B24C99B320AEC854E8C3FCB30909" lastPageId="6" lastPageNumber="129" pageId="4" pageNumber="127">
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<subSubSection pageId="4" pageNumber="127" type="nomenclature">
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<paragraph pageId="4" pageNumber="127">
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<taxonomicName LSID="A7BEC1E9-3BBC-5FE8-AA55-8C0082DB6B1D" authority="M. Y. Siti-Munirah" authorityName="M. Y. Siti-Munirah" authorityYear="2019" class="Liliopsida" family="Burmanniaceae" genus="Thismia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Thismia terengganuensis" order="Dioscoreales" pageId="4" pageNumber="127" phylum="Tracheophyta" rank="species" species="terengganuensis" status="sp. nov.">
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<pageBreakToken pageId="4" pageNumber="127" start="start">Thismia</pageBreakToken>
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terengganuensis M.Y.Siti-Munirah
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</taxonomicName>
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<taxonomicNameLabel pageId="4" pageNumber="127">sp. nov.</taxonomicNameLabel>
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<figureCitation captionStart="Figure 4" captionStartId="F5" captionText="Figure 4. Thismia terengganuensis Siti-Munirah A habit of flowering and fruiting plants B top view of plant C root and stems D perianth tube E perianth lobes (inner forming a mitre, outer curved) F ovary with pistil (stigma) G fruits with seeds H stamens attached to the inner wall of mouth of the perianth tube (adaxial view) I stamens deflexed (abaxial view). Photo credit: A-D, G Dome Nikong; E, F, H, I Siti-Munirah MY." figureDoi="10.3897/phytokeys.124.34728.figure4" httpUri="https://binary.pensoft.net/fig/311924" pageId="4" pageNumber="127">Figure 4</figureCitation>
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<figureCitation captionStart="Figure 5" captionStartId="F6" captionText="Figure 5. Thismia terengganuensis Siti-Munirah A flower and fruit B habit of fruiting plant C leaf D bracts E stamens (adaxial view) F stamens (abaxial view) G ovary showing free central placentation H stigma. All from Dome Nikong FRI 91112. Drawn by M. Aidil." figureDoi="10.3897/phytokeys.124.34728.figure5" httpUri="https://binary.pensoft.net/fig/311925" pageId="4" pageNumber="127">, 5</figureCitation>
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<figureCitation captionStart="Figure 6" captionStartId="F7" captionText="Figure 6. Thismia terengganuensis A habitat B habit of a fading T. terengganuensis plant. Photo credit: Dome Nikong." figureDoi="10.3897/phytokeys.124.34728.figure6" httpUri="https://binary.pensoft.net/fig/311926" pageId="4" pageNumber="127">, 6</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="5" pageNumber="128" type="diagnosis">
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<paragraph pageId="5" pageNumber="128">
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<pageBreakToken pageId="5" pageNumber="128" start="start">Diagnosis</pageBreakToken>
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.
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</paragraph>
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<paragraph pageId="5" pageNumber="128">
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<taxonomicName authorityName="M. Y. Siti-Munirah" authorityYear="2019" class="Liliopsida" family="Burmanniaceae" genus="Thismia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Thismia terengganuensis" order="Dioscoreales" pageId="5" pageNumber="128" phylum="Tracheophyta" rank="species" species="terengganuensis">
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<emphasis italics="true" pageId="5" pageNumber="128">Thismia terengganuensis</emphasis>
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</taxonomicName>
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is unique in its perfect mitre with the long filiform appendages not seen in any other species of
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<taxonomicName class="Liliopsida" family="Burmanniaceae" genus="Thismia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Thismia" order="Dioscoreales" pageId="5" pageNumber="128" phylum="Tracheophyta" rank="genus">
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<emphasis italics="true" pageId="5" pageNumber="128">Thismia</emphasis>
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</taxonomicName>
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. It has a racemose sessile inflorescence with large bracts. Its flower parts are brownish with brown striae with inner perianth lobes forming a dark brown mitre with a white slender appendage attached at apex. The outer perianth lobes at interval appear like a wing. It has creeping vermiform brown roots.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="5" pageNumber="128" type="materials_examined">
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<paragraph pageId="5" pageNumber="128">Type.</paragraph>
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<paragraph pageId="5" pageNumber="128">
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MALAYSIA. Peninsular Malaysia: Terengganu, Kuala Berang District, Hulu Telemong Forest Reserve, ca 227 m alt., 2 Dec 2018,
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<emphasis italics="true" pageId="5" pageNumber="128">Dome Nikong, FRI 91112</emphasis>
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(holotype KEP!).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="5" pageNumber="128" type="description">
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<paragraph pageId="5" pageNumber="128">Description.</paragraph>
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<paragraph pageId="5" pageNumber="128">Small perennial achlorophyllous herbs. Roots creeping, vermiform, brown. Stem white, 3-3.5 cm long, ascending, glabrous. Leaves scale-like, triangular, ca. 3 mm long, apex acute, alternate. Bracts many, large, 1-1.5 cm long, crowded. Pedicel short or up to 3-4 cm long. Inflorescence racemose. Flowers sessile, perianth tube urceolate, ca. 1 cm long, 5 mm wide in the upper third, brownish-white, with inconspicuous brown longitudinal stripes from upper part to the base. Apex of perianth tube covered with the dark brown apical part of perianth tube, circular, slightly raised annulus with opening aperture ca. 2 mm in diameter. Perianth lobes divided into 2 types; inner perianth lobes 3, erect, convergent to connate at apex, forming a mitre, dark brown, each with long and slender filiform appendages, 5-7 cm long; outer perianth lobes 3, recurved, all equal in shape and size, long triangular, boat-like, 4-5 mm long, 2 mm wide at base, white, tapering into curved apex. Stamens 6, brownish white; filaments short, free, attached to the mouth of the perianth tube, curved downwards; connectives blunt (tongue-like), without apical appendages; thecae yellow, not connected; lateral appendage skirt-like. Ovary white, cup-shaped, inferior, free central placentation; style short; stigma 3-lobed, papillose. Fruit cup-shaped, brownish.</paragraph>
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</subSubSection>
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<subSubSection pageId="5" pageNumber="128" type="distribution">
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<paragraph pageId="5" pageNumber="128">Distribution.</paragraph>
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<paragraph pageId="5" pageNumber="128">Endemic in Peninsular Malaysia, Terengganu. Currently only known from the type locality.</paragraph>
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</subSubSection>
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<subSubSection pageId="5" pageNumber="128" type="ecology">
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<paragraph pageId="5" pageNumber="128">Ecology.</paragraph>
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<paragraph pageId="5" pageNumber="128">In lowland dipterocarp forest on wet, moist soil in shade at altitude 227 m. Flowering in November-December on forest floor under canopy of dense shrubs.</paragraph>
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</subSubSection>
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<subSubSection pageId="5" pageNumber="128" type="etymology">
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<paragraph pageId="5" pageNumber="128">Etymology.</paragraph>
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<paragraph pageId="5" pageNumber="128">The epithet refers to the state, Terengganu, where it was found.</paragraph>
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</subSubSection>
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<subSubSection pageId="5" pageNumber="128" type="conservation status">
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<paragraph pageId="5" pageNumber="128">Conservation status.</paragraph>
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<paragraph pageId="5" pageNumber="128">
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Critically Endangered (B2 ab(iii)). Following the 2012 IUCN Red List Categories and Criteria, (IUCN 2012), this species is assessed as critically endangered because it is only known from one locality where less than 5 individuals flowering and fruiting individuals were observed.
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<taxonomicName authorityName="M. Y. Siti-Munirah" authorityYear="2019" class="Liliopsida" family="Burmanniaceae" genus="Thismia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Thismia terengganuensis" order="Dioscoreales" pageId="5" pageNumber="128" phylum="Tracheophyta" rank="species" species="terengganuensis">
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<emphasis italics="true" pageId="5" pageNumber="128">Thismia terengganuensis</emphasis>
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</taxonomicName>
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is currently known only from the type locality and is certainly a very rare species. The locality is within the forest reserve but is threatened by selective logging activities within the forest reserve that are currently ongoing.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="6" pageNumber="129" type="notes">
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<paragraph pageId="6" pageNumber="129">
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<pageBreakToken pageId="6" pageNumber="129" start="start">Notes</pageBreakToken>
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.
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</paragraph>
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<paragraph pageId="6" pageNumber="129">
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<taxonomicName authorityName="M. Y. Siti-Munirah" authorityYear="2019" class="Liliopsida" family="Burmanniaceae" genus="Thismia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Thismia terengganuensis" order="Dioscoreales" pageId="6" pageNumber="129" phylum="Tracheophyta" rank="species" species="terengganuensis">
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<emphasis italics="true" pageId="6" pageNumber="129">Thismia terengganuensis</emphasis>
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</taxonomicName>
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is most similar to species in
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<taxonomicName class="Liliopsida" family="Burmanniaceae" genus="Thismia" higherTaxonomySource="CoL" infraspecific-rank="sect." kingdom="Plantae" lsidName="" order="Dioscoreales" pageId="6" pageNumber="129" phylum="Tracheophyta" rank="section" section="Sarcosiphon">sect. Sarcosiphon</taxonomicName>
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and
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<taxonomicName class="Liliopsida" family="Burmanniaceae" genus="Thismia" higherTaxonomySource="CoL" infraspecific-rank="sect." kingdom="Plantae" lsidName="" order="Dioscoreales" pageId="6" pageNumber="129" phylum="Tracheophyta" rank="section" section="Geomitra">sect. Geomitra</taxonomicName>
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in the shape of the perianth tube and mitre but differs in all other morphological parts, e.g. in its slender filiform appendages on the apex of mitre and also its connectives that are blunt without any apical appendages.
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</paragraph>
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<caption ID-Zenodo-Dep="3262026" doi="10.3897/phytokeys.124.34728.figure4" httpUri="https://binary.pensoft.net/fig/311924" pageId="6" pageNumber="129" start="Figure 4" startId="F5">
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<paragraph pageId="6" pageNumber="129">
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<emphasis bold="true" pageId="6" pageNumber="129">Figure 4.</emphasis>
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<taxonomicName authorityName="M. Y. Siti-Munirah" authorityYear="2019" class="Liliopsida" family="Burmanniaceae" genus="Thismia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Thismia terengganuensis" order="Dioscoreales" pageId="6" pageNumber="129" phylum="Tracheophyta" rank="species" species="terengganuensis">
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<emphasis italics="true" pageId="6" pageNumber="129">Thismia terengganuensis</emphasis>
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</taxonomicName>
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Siti-Munirah
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<emphasis bold="true" pageId="6" pageNumber="129">A</emphasis>
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habit of flowering and fruiting plants
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<emphasis bold="true" pageId="6" pageNumber="129">B</emphasis>
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top view of plant
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<emphasis bold="true" pageId="6" pageNumber="129">C</emphasis>
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root and stems
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<emphasis bold="true" pageId="6" pageNumber="129">D</emphasis>
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perianth tube
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<emphasis bold="true" pageId="6" pageNumber="129">E</emphasis>
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perianth lobes (inner forming a mitre, outer curved)
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<emphasis bold="true" pageId="6" pageNumber="129">F</emphasis>
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ovary with pistil (stigma)
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<emphasis bold="true" pageId="6" pageNumber="129">G</emphasis>
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fruits with seeds
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<emphasis bold="true" pageId="6" pageNumber="129">H</emphasis>
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stamens attached to the inner wall of mouth of the perianth tube (adaxial view)
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<emphasis bold="true" pageId="6" pageNumber="129">I</emphasis>
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stamens deflexed (abaxial view). Photo credit:
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<emphasis bold="true" pageId="6" pageNumber="129">
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<normalizedToken originalValue="A–D">A-D</normalizedToken>
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</emphasis>
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,
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<emphasis bold="true" pageId="6" pageNumber="129">G</emphasis>
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Dome Nikong;
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<emphasis bold="true" pageId="6" pageNumber="129">E</emphasis>
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,
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<emphasis bold="true" pageId="6" pageNumber="129">F</emphasis>
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,
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<emphasis bold="true" pageId="6" pageNumber="129">H</emphasis>
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,
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<emphasis bold="true" pageId="6" pageNumber="129">I</emphasis>
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Siti-Munirah MY.
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</paragraph>
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</caption>
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<caption ID-Zenodo-Dep="3262028" doi="10.3897/phytokeys.124.34728.figure5" httpUri="https://binary.pensoft.net/fig/311925" pageId="6" pageNumber="129" start="Figure 5" startId="F6">
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<paragraph pageId="6" pageNumber="129">
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<emphasis bold="true" pageId="6" pageNumber="129">Figure 5.</emphasis>
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<taxonomicName authorityName="M. Y. Siti-Munirah" authorityYear="2019" class="Liliopsida" family="Burmanniaceae" genus="Thismia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Thismia terengganuensis" order="Dioscoreales" pageId="6" pageNumber="129" phylum="Tracheophyta" rank="species" species="terengganuensis">
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<emphasis italics="true" pageId="6" pageNumber="129">Thismia terengganuensis</emphasis>
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</taxonomicName>
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Siti-Munirah
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<emphasis bold="true" pageId="6" pageNumber="129">A</emphasis>
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flower and fruit
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<emphasis bold="true" pageId="6" pageNumber="129">B</emphasis>
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habit of fruiting plant
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<emphasis bold="true" pageId="6" pageNumber="129">C</emphasis>
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leaf
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<emphasis bold="true" pageId="6" pageNumber="129">D</emphasis>
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bracts
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<emphasis bold="true" pageId="6" pageNumber="129">E</emphasis>
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stamens (adaxial view)
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<emphasis bold="true" pageId="6" pageNumber="129">F</emphasis>
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stamens (abaxial view)
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<emphasis bold="true" pageId="6" pageNumber="129">G</emphasis>
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ovary showing free central placentation
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<emphasis bold="true" pageId="6" pageNumber="129">H</emphasis>
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stigma. All from Dome Nikong FRI 91112. Drawn by M. Aidil.
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</paragraph>
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</caption>
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<caption ID-Zenodo-Dep="3262030" doi="10.3897/phytokeys.124.34728.figure6" httpUri="https://binary.pensoft.net/fig/311926" pageId="6" pageNumber="129" start="Figure 6" startId="F7">
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<paragraph pageId="6" pageNumber="129">
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<emphasis bold="true" pageId="6" pageNumber="129">Figure 6.</emphasis>
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<taxonomicName authorityName="M. Y. Siti-Munirah" authorityYear="2019" class="Liliopsida" family="Burmanniaceae" genus="Thismia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Thismia terengganuensis" order="Dioscoreales" pageId="6" pageNumber="129" phylum="Tracheophyta" rank="species" species="terengganuensis">
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<emphasis italics="true" pageId="6" pageNumber="129">Thismia terengganuensis</emphasis>
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</taxonomicName>
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<emphasis bold="true" pageId="6" pageNumber="129">A</emphasis>
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habitat
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<emphasis bold="true" pageId="6" pageNumber="129">B</emphasis>
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habit of a fading
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<taxonomicName lsidName="T. terengganuensis" pageId="6" pageNumber="129" rank="species" species="terengganuensis">
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<emphasis italics="true" pageId="6" pageNumber="129">T. terengganuensis</emphasis>
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</taxonomicName>
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plant. Photo credit: Dome Nikong.
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</paragraph>
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</caption>
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</subSubSection>
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</treatment>
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</document> |