treatments-xml/data/66/E9/82/66E982DFB31824D3B25687E9601CF7F3.xml

<document ID-CLB-Dataset="27209" 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 &amp; 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="8" id="686CFF85FFADFFEAC033443CF54BFFFC" lastPageNumber="1" masterDocId="686CFF85FFADFFEAC033443CF54BFFFC" masterDocTitle="A revision of Dissochaeta (Melastomataceae, Dissochaeteae)" masterLastPageNumber="178" masterPageNumber="1" pageNumber="1" updateTime="1732647791036" updateUser="ExternalLinkService">
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<mods:title id="034000F68978CEF2BBADE884B1E7FF2A">A revision of Dissochaeta (Melastomataceae, Dissochaeteae)</mods:title>
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<mods:namePart id="1153D6C0301ABCB09BE3A78AC6430E06">Kartonegoro, Abdulrokhman</mods:namePart>
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<mods:namePart id="748E9229978ED652B4CCFB44160DFC69">Veldkamp, Jan Frits</mods:namePart>
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<mods:namePart id="E7DA4CAB569C117950519FF233AA0671">Hovenkamp, Peter</mods:namePart>
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<mods:namePart id="12FAF67C073E37A06BC133EAD2C355CA">Welzen, Peter van</mods:namePart>
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<treatment id="66E982DFB31824D3B25687E9601CF7F3" ID-GBIF-Taxon="156201497" LSID="urn:lsid:plazi:treatment:66E982DFB31824D3B25687E9601CF7F3" httpUri="http://treatment.plazi.org/id/66E982DFB31824D3B25687E9601CF7F3" lastPageNumber="1" pageId="0" pageNumber="1" scope_family="Melastomataceae">
<subSubSection id="892C950765E022629415D16AA9185D80" pageId="0" pageNumber="1" type="nomenclature">
<paragraph id="EB859A9B2561E6A7E5991C868661C9CD" pageId="0" pageNumber="1">
20. 
<taxonomicName id="0B0078E5E5ECFEB15D61CAE3B478A4EE" ID-CoL="8R8LL" 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>
</paragraph>
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<paragraph id="1BEDF8149E664626F941450EF079B68E" pageId="0" pageNumber="1">
<taxonomicName id="0F8D0B612138C2C2835113FE2AC3049A" 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>
(Merr.) M.P.Nayar in Veldkamp 
<emphasis id="BCF3F0BA7E429F823C79CA8AD4422B6A" italics="true" pageId="0" pageNumber="1">et al</emphasis>
., Blumea 24: 421, fig. 4B. 1979.
</paragraph>
<paragraph id="F48A67201D3F3AB765B286CF847876C5" pageId="0" pageNumber="1">
<taxonomicName id="2CFD79DF1EDB274721A7E8024CA1DE1E" 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>
: Veldkamp 
<emphasis id="8B9F6C4358BCD6A07951BC9E4F9A4A67" italics="true" pageId="0" pageNumber="1">et al</emphasis>
., Blumea 24: 421, fig. 4B. 1979.
</paragraph>
<paragraph id="8155E12966D52BDEA7F26A6890F23C09" pageId="0" pageNumber="1">
<taxonomicName id="42254F25849CAA938F639E68B0365927" 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>
: J.F.Maxwell, Gard. Bull. Singapore 33: 313. 1980.
</paragraph>
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<subSubSection id="CCBE5A33BB6E1EE6D562A7CD963896CF" pageId="0" pageNumber="1" type="materials_examined">
<paragraph id="95F4425AF05CB9DD25FAE0334D20EEA7" pageId="0" pageNumber="1">Type.</paragraph>
<paragraph id="337710ED4FDEF584D5DF453F313FCBF7" 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 id="CDF57A68910D499E5631D9FA45AA8E5F" pageId="0" pageNumber="1" type="description">
<paragraph id="DC4AF679139EE4AC99FD4C3C68B36E1B" pageId="0" pageNumber="1">Description.</paragraph>
<paragraph id="082B55684F9ECBA894DDCF10D230F65E" pageId="0" pageNumber="1">
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 
<normalizedToken id="2DA2513A695E9FE0D62A530C5A8C8FF4" originalValue="×">x</normalizedToken>
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 
<normalizedToken id="43420E1E58B3BC2F3AC3B6173E9B0379" originalValue="×">x</normalizedToken>
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 
<normalizedToken id="93A51ACA1B4665677A411A80CE42ACAB" originalValue="×">x</normalizedToken>
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 
<normalizedToken id="0F44965155C07DA44D554EDE133935D4" originalValue="¾">3/4</normalizedToken>
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 
<normalizedToken id="ACAE03D499461BD14AD5FC114001359C" originalValue="×">x</normalizedToken>
4-5 mm, glabrous, slightly 8-lined; calyx lobe remnants persistent. Seeds ca. 0.5 mm long.
</paragraph>
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<subSubSection id="D9E8C4B6E97FA83CCF1C96CCEC93089D" pageId="0" pageNumber="1" type="distribution">
<paragraph id="184577EE277ACA689C79CBE0E5D78DD5" pageId="0" pageNumber="1">Distribution.</paragraph>
<paragraph id="09606AADC548229CC27E095295413ABB" pageId="0" pageNumber="1">Borneo.</paragraph>
</subSubSection>
<subSubSection id="01B2F0DD632D39489B63BBF592F70BE8" pageId="0" pageNumber="1" type="notes">
<paragraph id="EE1C0A210D5468E30289F7509E635EF7" pageId="0" pageNumber="1">Note.</paragraph>
<paragraph id="C613AD779884DF5B9792953DB077CD93" pageId="0" pageNumber="1">
Within the genus, 
<taxonomicName id="12D68213D1272C0624FAB53556B72F80" class="Magnoliopsida" family="Melastomataceae" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="D. glabra" order="Myrtales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="glabra">
<emphasis id="D31C7C018EEAE28A00358FB485963061" italics="true" pageId="0" pageNumber="1">D. glabra</emphasis>
</taxonomicName>
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 
<taxonomicName id="9727D1B6BB285A9C6F108DE0C211FB5A" class="Magnoliopsida" family="Melastomataceae" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="D. conica" order="Myrtales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="conica">
<emphasis id="DC8EEAE0FC57BEBF4FCE1002AE2488C3" italics="true" pageId="0" pageNumber="1">D. conica</emphasis>
</taxonomicName>
and 
<taxonomicName id="5AA7931A4EC73A89710B09F505CBB4C7" class="Magnoliopsida" family="Melastomataceae" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="D. papuana" order="Myrtales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="papuana">
<emphasis id="0EC09181572C3B8ED6871DD59792DE1F" italics="true" pageId="0" pageNumber="1">D. papuana</emphasis>
</taxonomicName>
. The glabrous appearance and the glandular patches at the leaf base below are similar to 
<taxonomicName id="6651D763A0DDBA7310F3ADCBD61FEEEE" class="Magnoliopsida" family="Melastomataceae" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="D. beccariana" order="Myrtales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="beccariana">
<emphasis id="D14FBBA4A82A44E3B20A59B9AFC8607B" italics="true" pageId="0" pageNumber="1">D. beccariana</emphasis>
</taxonomicName>
, which is also endemic to Borneo, but differs in the shape of the alternipetalous stamens.
</paragraph>
</subSubSection>
</treatment>
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