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<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 &amp; Welzen, Peter van" docDate="2018" docId="E4E620F3785367DE49E840F9A6150180" docLanguage="en" docName="PhytoKeys 107: 1-178" docOrigin="PhytoKeys 107" docSource="http://dx.doi.org/10.3897/phytokeys.107.26548" docTitle="Dissochaeta bakhuizenii Veldkamp, Blumea 24: 443. 1979" 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">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>A revision of Dissochaeta (Melastomataceae, Dissochaeteae)</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Kartonegoro, Abdulrokhman</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Veldkamp, Jan Frits</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Hovenkamp, Peter</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Welzen, Peter van</mods:namePart>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>PhytoKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2018</mods:date>
<mods:detail type="volume">
<mods:number>107</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>1</mods:start>
<mods:end>178</mods:end>
</mods:extent>
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<mods:location>
<mods:url>http://dx.doi.org/10.3897/phytokeys.107.26548</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.107.26548</mods:identifier>
<mods:identifier type="Pensoft-Pub">1314-2003-107-1</mods:identifier>
<mods:identifier type="Pensoft-UUID">686CFF85FFADFFEAC033443CF54BFFFC</mods:identifier>
<mods:identifier type="Zenodo-Dep">1346433</mods:identifier>
</mods:mods>
<treatment ID-GBIF-Taxon="156201476" LSID="urn:lsid:plazi:treatment:E4E620F3785367DE49E840F9A6150180" httpUri="http://treatment.plazi.org/id/E4E620F3785367DE49E840F9A6150180" lastPageNumber="1" pageId="0" pageNumber="1">
<subSubSection pageId="0" pageNumber="1" type="nomenclature">
<paragraph pageId="0" pageNumber="1">
7.
<taxonomicName LSID="E4E620F3-7853-67DE-49E8-40F9A6150180" authority="Veldkamp, Blumea 24: 443. 1979." class="Magnoliopsida" family="Melastomataceae" genus="Dissochaeta" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Dissochaeta bakhuizenii" order="Myrtales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="bakhuizenii">Dissochaeta bakhuizenii Veldkamp, Blumea 24: 443. 1979.</taxonomicName>
<figureCitation captionStart="Figure 6" captionStartId="F11" captionText="Figure 6. Dissochaeta bakhuizenii. a habit b branchlet c hypanthium d flower e fruits. Photographs by A. Kartonegoro; vouchers: Kartonegoro 1103 (BO, L)." figureDoi="10.3897/phytokeys.107.26548.figure6" httpUri="https://binary.pensoft.net/fig/222104" pageId="0" pageNumber="1">Fig. 6</figureCitation>
<figureCitation captionStart="Map 5" captionStartId="F10" captionText="Map 5. Distribution of D. atrobrunnea (●), D. bakhuizenii (■) and D. barbata (▲)." figureDoi="10.3897/phytokeys.107.26548.map5" httpUri="https://binary.pensoft.net/fig/222105" pageId="0" pageNumber="1">, Map 5</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="reference_group">
<paragraph pageId="0" pageNumber="1">
<taxonomicName authorityName="J. F. Maxwell" authorityYear="1980" class="Magnoliopsida" family="Melastomataceae" genus="Dissochaeta" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Dissochaeta microplectrosa" order="Myrtales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="microplectrosa">Dissochaeta microplectrosa</taxonomicName>
J.F.Maxwell, Gard. Bull. Singapore 33: 313, fig. 3. 1980. Type: Indonesia. North Sumatra: Karoland, Mount Sinabung, 1400 m elev., 19 Aug 1928, J.A.
<normalizedToken originalValue="Lörzing">Loerzing</normalizedToken>
13673 (holotype: L [L0537283]!; isotype: BO!).
</paragraph>
<paragraph pageId="0" pageNumber="1">
<taxonomicName authorityName="Bakh fil" authorityYear="1943" baseAuthorityName="Bl." class="Magnoliopsida" family="Melastomataceae" genus="Neodissochaeta" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Neodissochaeta reticulata" order="Myrtales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="reticulata">Neodissochaeta reticulata</taxonomicName>
auct. non Bakh.
<emphasis italics="true" pageId="0" pageNumber="1">f.</emphasis>
: Bakh.
<emphasis italics="true" pageId="0" pageNumber="1">f.</emphasis>
, Contr. Melastom.: 143. 1943.
<emphasis italics="true" pageId="0" pageNumber="1">p.p</emphasis>
., excl. type.
</paragraph>
<paragraph pageId="0" pageNumber="1">
<taxonomicName class="Magnoliopsida" family="Melastomataceae" genus="Dissochaeta" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Dissochaeta sagittata" order="Myrtales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="sagittata">Dissochaeta sagittata</taxonomicName>
auct. non Blume: Bakh.
<emphasis italics="true" pageId="0" pageNumber="1">f.</emphasis>
, Contr. Melastom.: 233. 1943.
<emphasis italics="true" pageId="0" pageNumber="1">p.p</emphasis>
., excl. type.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="materials_examined">
<paragraph pageId="0" pageNumber="1">Type.</paragraph>
<paragraph pageId="0" pageNumber="1">
Indonesia. West Sumatra: Ophir District, Tanang Taloe, 1100 m elev., 15 Jun 1917, H.A.B.
<normalizedToken originalValue="Bünnemeijer">Buennemeijer</normalizedToken>
1053 (holotype: L [L0537231]!; isotypes: BO [BO1744599, BO1747935]!, PNH
<emphasis italics="true" pageId="0" pageNumber="1">n.v.</emphasis>
).
</paragraph>
<caption ID-Zenodo-Dep="1346485" doi="10.3897/phytokeys.107.26548.figure6" httpUri="https://binary.pensoft.net/fig/222104" pageId="0" pageNumber="1" start="Figure 6" startId="F11">
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" pageId="0" pageNumber="1">Figure 6.</emphasis>
<taxonomicName class="Magnoliopsida" family="Melastomataceae" genus="Dissochaeta" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Dissochaeta bakhuizenii" order="Myrtales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="bakhuizenii">
<emphasis italics="true" pageId="0" pageNumber="1">Dissochaeta bakhuizenii</emphasis>
</taxonomicName>
.
<emphasis bold="true" pageId="0" pageNumber="1">a</emphasis>
habit
<emphasis bold="true" pageId="0" pageNumber="1">b</emphasis>
branchlet
<emphasis bold="true" pageId="0" pageNumber="1">c</emphasis>
hypanthium
<emphasis bold="true" pageId="0" pageNumber="1">d</emphasis>
flower
<emphasis bold="true" pageId="0" pageNumber="1">e</emphasis>
fruits. Photographs by A. Kartonegoro; vouchers: Kartonegoro 1103 (BO, L).
</paragraph>
</caption>
<caption ID-Zenodo-Dep="1346541" doi="10.3897/phytokeys.107.26548.map5" httpUri="https://binary.pensoft.net/fig/222105" pageId="0" pageNumber="1" start="Map 5" startId="F10">
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" pageId="0" pageNumber="1">Map 5.</emphasis>
Distribution of
<taxonomicName class="Magnoliopsida" family="Melastomataceae" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="D. atrobrunnea" order="Myrtales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="atrobrunnea">
<emphasis italics="true" pageId="0" pageNumber="1">D. atrobrunnea</emphasis>
</taxonomicName>
(●),
<taxonomicName class="Magnoliopsida" family="Melastomataceae" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="D. bakhuizenii" order="Myrtales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="bakhuizenii">
<emphasis italics="true" pageId="0" pageNumber="1">D. bakhuizenii</emphasis>
</taxonomicName>
(■) and
<taxonomicName class="Magnoliopsida" family="Melastomataceae" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="D. barbata" order="Myrtales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="barbata">
<emphasis italics="true" pageId="0" pageNumber="1">D. barbata</emphasis>
</taxonomicName>
(▲).
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="description">
<paragraph pageId="0" pageNumber="1">Description.</paragraph>
<paragraph pageId="0" pageNumber="1">
Climbing up to 30 m in height. Branchlets terete, 3-5 mm in diameter, greyish or brown stellate-puberulous with small bristle enations; nodes swollen, interpetiolar ridge distinct with collar-shaped ridge or crest-like; internodes 5-10 cm long. Leaves: petioles flattened, 10-15 mm long, stellate-furfuraceous; blades elliptic or ovate-elliptic, 7.5-13.5
<normalizedToken originalValue="×">x</normalizedToken>
3-5.25 cm, membranous, base rounded, margin entire, apex acuminate, tip ca. 0.5-1 cm long; nervation with 1 pair of lateral nerves and 1 pair of intramarginal nerves; adaxially glabrous, glossy green, abaxially densely, brown, short stellate-puberulous. Inflorescences terminal, up to 25 cm long, many-flowered; main axis glabrous to sparsely stellate-puberulous, rarely bristly; primary axes up to 14 cm long with 4 or 5 nodes, secondary axes up to 5 cm long with 2 or 3 nodes, tertiary axes up to 2 cm long with 1 or 2 nodes; bracts and bracteoles minute, inconspicuous, caducous; pedicels sparsely stellate-furfuraceous, 3-4 mm long in central flowers, 1-2 mm long in lateral flowers. Hypanthium campanulate-tubular, 2-5
<normalizedToken originalValue="×">x</normalizedToken>
1-3 mm, sparsely stellate-puberulous or nearly glabrous, somewhat 8-ridged; calyx truncate with 4 undulate lobes, widened, ca. 1 mm long, glabrous; petal bud conical, 3-5
<normalizedToken originalValue="×">x</normalizedToken>
2-3 mm; mature petals ovate, 4-5
<normalizedToken originalValue="×">x</normalizedToken>
ca. 4 mm, base clawed, apex rounded, glabrous with ciliate margin, pale pink to violet. Stamens 8, equal or subequal, filaments straight; alternipetalous stamens with 4-6 mm long filaments, anthers oblong or lanceolate, straight, thecae 4-5 mm long, yellow, pedoconnective ca. 0.5 mm long, basal crests triangular with a small pair of acute auricles, 1.5-2 mm long, lateral appendages absent or prolonged from basal crest, 1-2 mm long; oppositipetalous stamens with 2.5-3 mm long filaments; anther oblong-lanceolate, straight, thecae 3-4 mm long, yellow, basal crest ligular, 1-1.5 mm long, lateral appendages a minute pair of auricles or absent. Ovary half as long as hypanthium, apex puberulous; style glabrous, curved at top, 10-12 mm long; stigma minute; extra-ovarial chambers 8, extending to the middle of the ovary. Fruits ovoid or subglobose, 4-5
<normalizedToken originalValue="×">x</normalizedToken>
3-4 mm, glabrous, often with 8 lines, apex mammiform; calyx lobe remnants persistent. Seeds ca. 0.4 mm long.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="distribution">
<paragraph pageId="0" pageNumber="1">Distribution.</paragraph>
<paragraph pageId="0" pageNumber="1">Peninsular Malaysia, Sumatra and Java (West).</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="ecology">
<paragraph pageId="0" pageNumber="1">Ecology and habitat.</paragraph>
<paragraph pageId="0" pageNumber="1">Secondary forest, montane forest or near a crater in open forest, 700-1550 m elevation.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="vernacular names">
<paragraph pageId="0" pageNumber="1">Vernacular names.</paragraph>
<paragraph pageId="0" pageNumber="1">
Sumatra:
<emphasis italics="true" pageId="0" pageNumber="1">sanduduk</emphasis>
(Batak);
<emphasis italics="true" pageId="0" pageNumber="1">pulutu</emphasis>
(Mentawai). Java:
<emphasis italics="true" pageId="0" pageNumber="1">harendong areuy</emphasis>
(Sundanese).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="notes">
<paragraph pageId="0" pageNumber="1">Note.</paragraph>
<paragraph pageId="0" pageNumber="1">
This species can easily be distinguished by the presence of only fertile stamens without any lateral appendages and fruits with a mammiform apex. The mammiform apex on the fruits resembles that of
<taxonomicName class="Magnoliopsida" family="Melastomataceae" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="D. nodosa" order="Myrtales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="nodosa">
<emphasis italics="true" pageId="0" pageNumber="1">D. nodosa</emphasis>
</taxonomicName>
from Sumatra and
<taxonomicName class="Magnoliopsida" family="Melastomataceae" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="D. rectandra" order="Myrtales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="rectandra">
<emphasis italics="true" pageId="0" pageNumber="1">D. rectandra</emphasis>
</taxonomicName>
from Peninsular Malaysia. In the indumentum of the lower leaf surface, it resembles
<taxonomicName class="Magnoliopsida" family="Melastomataceae" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="D. inappendiculata" order="Myrtales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="inappendiculata">
<emphasis italics="true" pageId="0" pageNumber="1">D. inappendiculata</emphasis>
</taxonomicName>
Blume and it is sometimes misidentified when vegetative only.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="materials_examined">
<paragraph pageId="0" pageNumber="1">Selected specimens examined.</paragraph>
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" pageId="0" pageNumber="1">MALAYSIA. Pahang</emphasis>
: Cameron Highlands,
<normalizedToken originalValue="Robinsons">Robinson's</normalizedToken>
Falls, 1600 m, 16 Apr 1978, J.F. Maxwell 78-197 (L);
<emphasis italics="true" pageId="0" pageNumber="1">Ibid.</emphasis>
, 1400 m, 20 Mar 1992, J. Klackenberg &amp; R. Lundin 673 (L);
<normalizedToken originalValue="Frasers">Fraser's</normalizedToken>
Hill, 1550 m, 27 Sep 1978, J.F. Maxwell 78-368 (L).
<emphasis bold="true" pageId="0" pageNumber="1">Perak</emphasis>
: Bukit Larut, Dec 1883,
<normalizedToken originalValue="Kings">King's</normalizedToken>
collector 5284 (L);
<emphasis italics="true" pageId="0" pageNumber="1">Ibid</emphasis>
., Gunung Hijau, 1320 m, 13 Jul 2006, M.K. Hisham et al. FRI 52047 (BO, L).
<emphasis bold="true" pageId="0" pageNumber="1">Selangor</emphasis>
: Genting Highlands, Gunong Ulu Kali, 1200 m, 9 Apr 1978, J.F. Maxwell 78-83 (L).
<emphasis bold="true" pageId="0" pageNumber="1">INDONESIA. Aceh</emphasis>
: Mt. Leuser, Gunung Bandahara, 800-1000 m, 20 Mar 1975, W.J.J.O. de Wilde &amp; B.E.E. de Wilde-Duyfjes 15596 (BO, K).
<emphasis bold="true" pageId="0" pageNumber="1">Jambi</emphasis>
: Kerinci, Kayu Aro, 850 m, 21 Oct 1954, W. Meijer 3007 (BO);
<emphasis italics="true" pageId="0" pageNumber="1">Ibid.</emphasis>
, Sungai Kumbang, 1400 m, 4 Apr 1914, H.C. Robinson &amp; C. Boden-Kloss s.n. (BM).
<emphasis bold="true" pageId="0" pageNumber="1">Mentawai Islands</emphasis>
: Siberut, 10 Sep 1924, C. Boden-Kloss SFN 12282 (BO, K).
<emphasis bold="true" pageId="0" pageNumber="1">North Sumatra</emphasis>
: Karo, Mount Sinabung, 1400 m, 19 Aug 1928, J.A.
<normalizedToken originalValue="Lörzing">Loerzing</normalizedToken>
13673 (BO, L);
<emphasis italics="true" pageId="0" pageNumber="1">Ibid.</emphasis>
, Road from Siantar to Berastagi, 1000 m, 21 Feb 1932, W.N. Bangham &amp; C.N. Bangham 951 (K); Tapanuli, Between Sidikalang and Pongkolan, 1200 m, 27 Mar 1954, A.H.G. Alston 14790 (BM, BO, PNH); Prapat, Gunung Batu Lopang, 1400 m, 8 Jul 1972, W.J.J.O. de Wilde &amp; B.E.E. de Wilde-Duyfjes 13528 (BO, K); Sibolangit, Bandar Baru, 800 m, 17 Jun 1916, J.A.
<normalizedToken originalValue="Lörzing">Loerzing</normalizedToken>
4349 (BO); Sipirok, Dolok Sibual-Buali, 1200 m, 8 Mar 1983, Zahro 69 (BO).
<emphasis bold="true" pageId="0" pageNumber="1">West Sumatra</emphasis>
: Ophir, Tanang Talu, 1100 m, 15 Jun 1917, H.A.B.
<normalizedToken originalValue="Bünnemeijer">Buennemeijer</normalizedToken>
1053 (BO, L) Lubuk Sikaping, Mt. Gadang, 700 m, 15 Jun 1953, J. van Borssum-Waalkes 1893 (BO, K); Batu Sangkar, Mount Sago, Puncak Pato, 1200 m, 10 Mar 1989, H. Nagamasu 3782 (ANDA).
<emphasis bold="true" pageId="0" pageNumber="1">Banten</emphasis>
: Between Citorek &amp; Muncang, 800 m, 22 Jun 1911, C.A. Backer 1839 (BO).
<emphasis bold="true" pageId="0" pageNumber="1">West Java</emphasis>
: Mt. Salak, Gunung Bunder to Kawah Ratu, 1300 m, 8 Jan 1941, C.N.A. de Voogd &amp; S. Bloembergen s.n. (BO, L);
<emphasis italics="true" pageId="0" pageNumber="1">Ibid.</emphasis>
, Cangkuang, 1000 m, 16 Sep 1985, M.M.J. van Balgooy 5161 (BO, L, P); Mt. Halimun, Malasari, 1055 m, 10 Oct 2017, A. Kartonegoro 1103 (BO, L); Mt. Sembung, C.A. Backer 12256 (BO).
</paragraph>
</subSubSection>
</treatment>
</document>