127 lines
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127 lines
11 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.107.26548" ID-GBIF-Dataset="b09b328e-de27-4071-8af6-eec29dc3b1df" ID-PMC="PMC6160804" ID-Pensoft-Pub="1314-2003-107-1" ID-Pensoft-UUID="686CFF85FFADFFEAC033443CF54BFFFC" ID-PubMed="30271249" ID-Zenodo-Dep="1346433" ModsDocAuthor="" ModsDocDate="2018" ModsDocID="1314-2003-107-1" ModsDocOrigin="PhytoKeys 107" ModsDocTitle="A revision of Dissochaeta (Melastomataceae, Dissochaeteae)" checkinTime="1555330651054" checkinUser="pensoft" docAuthor="Kartonegoro, Abdulrokhman, Veldkamp, Jan Frits, Hovenkamp, Peter & Welzen, Peter van" docDate="2018" docId="66E982DFB31824D3B25687E9601CF7F3" docLanguage="en" docName="PhytoKeys 107: 1-178" docOrigin="PhytoKeys 107" docSource="http://dx.doi.org/10.3897/phytokeys.107.26548" docTitle="Dissochaeta glabra Merr., J. Straits Branch Roy. Asiat. Soc. 76: 101. 1917" docType="treatment" docVersion="6" id="686CFF85FFADFFEAC033443CF54BFFFC" lastPageNumber="1" masterDocId="686CFF85FFADFFEAC033443CF54BFFFC" masterDocTitle="A revision of Dissochaeta (Melastomataceae, Dissochaeteae)" masterLastPageNumber="178" masterPageNumber="1" pageNumber="1" updateTime="1668139007331" 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>A revision of Dissochaeta (Melastomataceae, Dissochaeteae)</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>Kartonegoro, Abdulrokhman</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>Veldkamp, Jan Frits</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>Hovenkamp, Peter</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>Welzen, Peter van</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>2018</mods:date>
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<mods:detail type="volume">
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<mods:number>107</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>1</mods:start>
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<mods:end>178</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.107.26548</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.107.26548</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2003-107-1</mods:identifier>
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<mods:identifier type="Pensoft-UUID">686CFF85FFADFFEAC033443CF54BFFFC</mods:identifier>
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<mods:identifier type="Zenodo-Dep">1346433</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="156201497" LSID="urn:lsid:plazi:treatment:66E982DFB31824D3B25687E9601CF7F3" httpUri="http://treatment.plazi.org/id/66E982DFB31824D3B25687E9601CF7F3" lastPageNumber="1" pageId="0" pageNumber="1">
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<subSubSection pageId="0" pageNumber="1" type="nomenclature">
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<paragraph pageId="0" pageNumber="1">
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20.
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<taxonomicName LSID="66E982DF-B318-24D3-B256-87E9601CF7F3" authority="Merr., J. Straits Branch Roy. Asiat. Soc. 76: 101. 1917." class="Magnoliopsida" family="Melastomataceae" genus="Dissochaeta" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Dissochaeta glabra" order="Myrtales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="glabra">Dissochaeta glabra Merr., J. Straits Branch Roy. Asiat. Soc. 76: 101. 1917.</taxonomicName>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="reference_group">
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<paragraph pageId="0" pageNumber="1">
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<taxonomicName class="Magnoliopsida" family="Melastomataceae" genus="Diplectria" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Diplectria glabra" order="Myrtales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="glabra">Diplectria glabra</taxonomicName>
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(Merr.) M.P.Nayar in Veldkamp
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<emphasis italics="true" pageId="0" pageNumber="1">et al</emphasis>
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., Blumea 24: 421, fig. 4B. 1979.
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</paragraph>
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<paragraph pageId="0" pageNumber="1">
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<taxonomicName authority="(Merr.) M. P. Nayar ssp. glabra" basionym-authority="(Merr.)" class="Magnoliopsida" family="Melastomataceae" genus="Diplectria" higherTaxonomySource="CoL" infraspecific-rank="ssp." kingdom="Plantae" lsidName="Diplectria glabra" order="Myrtales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="glabra" subspecies="glabra">Diplectria glabra (Merr.) M.P.Nayar ssp. glabra</taxonomicName>
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: Veldkamp
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<emphasis italics="true" pageId="0" pageNumber="1">et al</emphasis>
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., Blumea 24: 421, fig. 4B. 1979.
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</paragraph>
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<paragraph pageId="0" pageNumber="1">
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<taxonomicName authority="(Merr.) M. P. Nayar var. glabra" basionym-authority="(Merr.)" class="Magnoliopsida" family="Melastomataceae" genus="Diplectria" higherTaxonomySource="CoL" infraspecific-rank="var." kingdom="Plantae" lsidName="Diplectria glabra var. glabra" order="Myrtales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="variety" species="glabra" variety="glabra">Diplectria glabra (Merr.) M.P.Nayar var. glabra</taxonomicName>
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: J.F.Maxwell, Gard. Bull. Singapore 33: 313. 1980.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="materials_examined">
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<paragraph pageId="0" pageNumber="1">Type.</paragraph>
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<paragraph pageId="0" pageNumber="1">Malaysia. Sabah: Kalabakan, Pinajas River, 20 m elev., 8 Oct 1916, A. Villamil 242 (lectotype, designated here: PNH [PNH32349, image seen]!; isolectotypes: K!, US [US00120530, image seen]!).</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="description">
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<paragraph pageId="0" pageNumber="1">Description.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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Climbing up to 15 m in height. Branchlets terete, 4-5 mm in diameter, glabrous; nodes swollen, with prominent annular crest-like interpetiolar ridge, often with bristle hairs; internodes 6-8.5 cm long. Leaves: petioles terete, 7-10 mm long, furfuraceous and dorsally with bristle hairs; blades ovate to ovate-oblong, 9-16
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<normalizedToken originalValue="×">x</normalizedToken>
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4.5-8 cm, subcoriaceous, base rounded to shallowly subcordate, margin entire, apex acuminate, tip 0.5-0.8 cm long; nervation with 1 or 2 pairs of lateral nerves and 1 pair of intramarginal nerves; adaxially glabrous, abaxially glabrous, basally with a pair of glandular patches. Inflorescences terminal, up to 90 cm long, many-flowered; main axis angular, glabrous or sparsely covered with stellate hairs; primary axes up to 80 cm long with 7-10 nodes, secondary axes 8-20 cm long with 5-7 nodes, tertiary axes up to 6 cm long with 1-3 nodes, quarternary axes if developed 1-3 cm long with 1 or 2 nodes, quinternary axes when developed up to 0.5 cm with 1 node; bracts linear, 4-5 mm long, caducous, stellate puberulous; bracteoles subulate, ca. 1 mm long, densely covered with stellate hairs; pedicels stellate puberulous, 3-5 mm long in central flowers, 1-2 mm long in lateral flowers. Hypanthium cyathiform-tubular, 4-6
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<normalizedToken originalValue="×">x</normalizedToken>
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2-3.5 mm, glabrous or sparsely covered with stellate hairs; calyx lobes truncate, ca. 0.5 mm long, apex with 4 minute points, purplish; petal bud conical, 1-5 mm long; mature petals suborbicular, 3-6
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<normalizedToken originalValue="×">x</normalizedToken>
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3-4.5 mm, reflexed, base clawed, apex acute, white purplish or purple. Stamens 8, unequal, filaments flattened, straight; alternipetalous stamens staminodial, with 3-5 mm long filaments, anthers rudimentary, slender, terete, thecae 0.5-2 mm long, basal crest triangular, 0.75-2 mm long, thin, apex acute, base emarginate or hastate, lateral appendages prolonged from the theca vestige, paired, filiform, 3-6 mm long; oppositipetalous stamens with 4-6 mm long filaments, anthers thick, curved, hook-shaped or S-shaped, thecae 5-6 mm long, yellow, basal crest triangular, 0.3-2 mm long, erose to bifid, lateral appendages ligular with bifid apex, 0.5-1 mm long. Ovary half to
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<normalizedToken originalValue="¾">3/4</normalizedToken>
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of hypanthium in length, apex glabrous; style 8-12 mm long, curved at the end, slender, glabrous; stigma minute, capitate; extra-ovarial chambers 4, oppositipetalous, extending from ⅓ to the middle of the ovary. Fruits subglobose to urceolate, 4-7
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<normalizedToken originalValue="×">x</normalizedToken>
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4-5 mm, glabrous, slightly 8-lined; calyx lobe remnants persistent. Seeds ca. 0.5 mm long.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="distribution">
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<paragraph pageId="0" pageNumber="1">Distribution.</paragraph>
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<paragraph pageId="0" pageNumber="1">Borneo.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="notes">
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<paragraph pageId="0" pageNumber="1">Note.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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Within the genus,
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<taxonomicName class="Magnoliopsida" family="Melastomataceae" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="D. glabra" order="Myrtales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="glabra">
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<emphasis italics="true" pageId="0" pageNumber="1">D. glabra</emphasis>
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</taxonomicName>
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has the longest and most robust inflorescences (up to 90 cm long) with up to 5 degrees of ramifications, but it has smaller flowers. Due to the flowers and stamens, this species closely resembles
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<taxonomicName class="Magnoliopsida" family="Melastomataceae" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="D. conica" order="Myrtales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="conica">
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<emphasis italics="true" pageId="0" pageNumber="1">D. conica</emphasis>
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</taxonomicName>
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and
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<taxonomicName class="Magnoliopsida" family="Melastomataceae" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="D. papuana" order="Myrtales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="papuana">
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<emphasis italics="true" pageId="0" pageNumber="1">D. papuana</emphasis>
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</taxonomicName>
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. The glabrous appearance and the glandular patches at the leaf base below are similar to
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<taxonomicName class="Magnoliopsida" family="Melastomataceae" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="D. beccariana" order="Myrtales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="beccariana">
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<emphasis italics="true" pageId="0" pageNumber="1">D. beccariana</emphasis>
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</taxonomicName>
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, which is also endemic to Borneo, but differs in the shape of the alternipetalous stamens.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |