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<document id="C0EBB79EB7B490FB0E79CD36CB65513D" ID-CLB-Dataset="6186" ID-DOI="10.11646/phytotaxa.28.1.2" ID-GBIF-Dataset="1d365dfe-b498-4540-aa83-c246f1c5a06e" ID-ISSN="1179-3163" ID-Zenodo-Dep="4894308" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1622648641615" checkinUser="felipe" docAuthor="Heatubun, Charlie D." docDate="2011" docId="03C4695899043A3FFF76FF4AFCABFE68" docLanguage="en" docName="Phytotaxa.28.6-26.pdf.imf" docOrigin="Phytotaxa 28" docSource="http://biotaxa.org/Phytotaxa/article/view/phytotaxa.28.1.2" docStyle="DocumentStyle:13F189B31CB4CCCE9197361A4E100104.3:Phytotaxa.2011-2013.journal_article" docStyleId="13F189B31CB4CCCE9197361A4E100104" docStyleName="Phytotaxa.2011-2013.journal_article" docStyleVersion="3" docTitle="Areca triginticollina Heatubun 2011, sp. nov." docType="treatment" docVersion="7" lastPageNumber="26" masterDocId="FFFD112099163A2BFFE1FFDDFF8AFFFA" masterDocTitle="Seven New Species of Areca (Arecaceae)" masterLastPageNumber="26" masterPageNumber="6" pageNumber="24" updateTime="1698998193322" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
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<mods:title id="670B001BF9EF00363B54D14623C432CA">Seven New Species of Areca (Arecaceae)</mods:title>
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<mods:name id="34E181DFBAF645A2B16A8975C45525E7" type="personal">
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<mods:namePart id="CE4C7B86B82CF16CE7378CBE8FC3F15F">Heatubun, Charlie D.</mods:namePart>
<mods:affiliation id="D3874ABD5AFF900A9BBE0AC2645F0522">Fakultas Kehutanan, Universitas Papua, Jl. Gunung Salju, Amban, Manokwari 98314, Papua Barat, Indonesia &amp; Royal Botanic Gardens, Kew, Richmond, Surrey, TW 9 3 AB, United Kingdom. E-mail: charlie _ deheatboen @ yahoo. com</mods:affiliation>
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<mods:title id="2271278B90957A54B6AB89FCF5552EFF">Phytotaxa</mods:title>
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<mods:date id="ADFE20DD4F941806064F77E0BF1BD73D">2011</mods:date>
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<treatment id="03C4695899043A3FFF76FF4AFCABFE68" ID-DOI="http://doi.org/10.5281/zenodo.4923809" ID-GBIF-Taxon="182645070" ID-Zenodo-Dep="4923809" LSID="urn:lsid:plazi:treatment:03C4695899043A3FFF76FF4AFCABFE68" httpUri="http://treatment.plazi.org/id/03C4695899043A3FFF76FF4AFCABFE68" lastPageId="20" lastPageNumber="26" pageId="18" pageNumber="24">
<subSubSection id="C3778BC599043A39FF76FF4AFD2CFF49" box="[151,678,151,180]" pageId="18" pageNumber="24" type="nomenclature">
<paragraph id="8BD2D84E99043A39FF76FF4AFD2CFF49" blockId="18.[151,1436,151,308]" box="[151,678,151,180]" pageId="18" pageNumber="24">
<heading id="D09A6F2299043A39FF76FF4AFD2CFF49" bold="true" box="[151,678,151,180]" fontSize="12" level="1" pageId="18" pageNumber="24" reason="1">
<emphasis id="B919045C99043A39FF76FF4AFD2CFF49" bold="true" box="[151,678,151,180]" pageId="18" pageNumber="24">
<taxonomicName id="4C6DA3CD99043A39FF76FF4AFDBFFF4E" ID-CoL="67RGN" authority="Heatubun" authorityName="Heatubun" authorityYear="2011" box="[151,565,151,180]" class="Liliopsida" family="Arecaceae" genus="Areca" kingdom="Plantae" order="Arecales" pageId="18" pageNumber="24" phylum="Tracheophyta" rank="species" species="triginticollina" status="sp. nov.">
<emphasis id="B919045C99043A39FF76FF4AFE28FF49" bold="true" box="[151,418,151,179]" italics="true" pageId="18" pageNumber="24">Areca triginticollina</emphasis>
Heatubun
</taxonomicName>
,
<emphasis id="B919045C99043A39FDA2FF4AFD2CFF49" bold="true" box="[579,678,151,179]" italics="true" pageId="18" pageNumber="24">
<taxonomicNameLabel id="A22AB92799043A39FDA2FF4AFD2CFF49" box="[579,678,151,179]" pageId="18" pageNumber="24" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C3778BC599043A39FF76FF60FE66FF0E" pageId="18" pageNumber="24" type="diagnosis">
<paragraph id="8BD2D84E99043A39FF76FF60FE66FF0E" blockId="18.[151,1436,151,308]" pageId="18" pageNumber="24">
<emphasis id="B919045C99043A39FF76FF60FE66FF0E" italics="true" pageId="18" pageNumber="24">
Species nova Sumatrana
<taxonomicName id="4C6DA3CD99043A39FE53FF60FDD4FF2E" box="[434,606,189,212]" class="Liliopsida" family="Arecaceae" genus="Areca" kingdom="Plantae" order="Arecales" pageId="18" pageNumber="24" phylum="Tracheophyta" rank="subSpecies" species="tunku" subSpecies="habitu">A. tunku habitu</taxonomicName>
et
<taxonomicName id="4C6DA3CD99043A39FD69FF60FC5AFF2E" box="[648,976,189,212]" class="Liliopsida" family="Arecaceae" genus="Areca" kingdom="Plantae" order="Arecales" pageId="18" pageNumber="24" phylum="Tracheophyta" rank="subSpecies" species="jugahpunya" subSpecies="inflorescentiae">A. jugahpunya inflorescentiae</taxonomicName>
structura similis, sed floribus staminatis spiraliter dispositis, differt.
</emphasis>
</paragraph>
</subSubSection>
<subSubSection id="C3778BC599043A39FF76FF20FABBFABF" pageId="18" pageNumber="24" type="materials_examined">
<paragraph id="8BD2D84E99043A39FF76FF20FB45FECE" blockId="18.[151,1436,151,308]" pageId="18" pageNumber="24">
<materialsCitation id="3B05D21399043A39FF76FF20FB41FECE" ID-GBIF-Occurrence="3128532316" collectingDate="1991-05-05" collectionCode="K, BO" country="Indonesia" county="Type" location="Seberida District" municipality="Indragiri Hulu Regency" pageId="18" pageNumber="24" specimenCount="1" stateProvince="Sumatera Utara" typeStatus="holotype">
<collectingCounty id="62B3A0C299043A39FF76FF20FF44FEEE" box="[151,206,253,276]" pageId="18" pageNumber="24">Type</collectingCounty>
:
<collectingCountry id="F37A98DE99043A39FF0CFF20FE09FEEE" box="[237,387,253,276]" name="Indonesia" pageId="18" pageNumber="24">INDONESIA</collectingCountry>
.
<collectingRegion id="49A916AC99043A39FE6EFF20FE61FEEE" box="[399,491,253,276]" country="Indonesia" name="Sumatera Utara" pageId="18" pageNumber="24">Sumatra</collectingRegion>
,
<collectingRegion id="49A916AC99043A39FE16FF20FD1CFEEE" box="[503,662,253,276]" country="Indonesia" name="Riau" pageId="18" pageNumber="24">Riau Province</collectingRegion>
:
<collectingMunicipality id="6BB6423499043A39FD42FF20FC2CFEEE" box="[675,934,253,276]" pageId="18" pageNumber="24">Indragiri Hulu Regency</collectingMunicipality>
,
<location id="8EB28E9599043A39FC55FF20FBE7FEEE" LSID="urn:lsid:plazi:treatment:03C4695899043A3FFF76FF4AFCABFE68:8EB28E9599043A39FC55FF20FBE7FEEE" box="[948,1133,253,276]" country="Indonesia" county="Type" municipality="Indragiri Hulu Regency" name="Seberida District" pageId="18" pageNumber="24" stateProvince="Sumatera Utara">Seberida District</location>
,
<taxonomicName id="4C6DA3CD99043A39FB9BFF20FABDFEEE" authority="Tiga Puluh" authorityName="Tiga Puluh" box="[1146,1335,253,276]" genus="Bukit" pageId="18" pageNumber="24" rank="genus">Bukit Tiga Puluh</taxonomicName>
<location id="8EB28E9599043A39FAA1FF20FF71FECE" LSID="urn:lsid:plazi:treatment:03C4695899043A3FFF76FF4AFCABFE68:8EB28E9599043A39FAA1FF20FF71FECE" country="Indonesia" county="Type" municipality="Indragiri Hulu Regency" name="National Park" pageId="18" pageNumber="24" stateProvince="Sumatera Utara">National Park</location>
,
<locationDeviation id="9A60C16C99043A39FEE4FEC0FE07FECE" box="[261,397,285,308]" location="North" pageId="18" pageNumber="24">
<quantity id="4C9575AB99043A39FEE4FEC0FEC2FECE" box="[261,328,285,308]" metricMagnitude="4" metricUnit="m" metricValue="1.0" pageId="18" pageNumber="24" unit="km" value="10.0">10 km</quantity>
North
</locationDeviation>
of
<collectingRegion id="49A916AC99043A39FE50FEC0FE7BFECE" box="[433,497,285,308]" country="Indonesia" name="Jambi" pageId="18" pageNumber="24">Jambi</collectingRegion>
border,
<date id="FFD3FE8E99043A39FDA8FEC0FD46FECE" box="[585,716,285,308]" pageId="18" pageNumber="24" value="1991-05-05">
<collectingDate id="EF97076699043A39FDA8FEC0FD46FECE" box="[585,716,285,308]" pageId="18" pageNumber="24" value="1991-05-05">5 May 1991</collectingDate>
</date>
,
<emphasis id="B919045C99043A39FD36FEC0FC23FECE" box="[727,937,285,308]" italics="true" pageId="18" pageNumber="24">
<location id="8EB28E9599043A39FD36FEC0FCC6FECE" LSID="urn:lsid:plazi:treatment:03C4695899043A3FFF76FF4AFCABFE68:8EB28E9599043A39FD36FEC0FCC6FECE" box="[727,844,285,308]" country="Indonesia" county="Type" municipality="Indragiri Hulu Regency" name="Gundersen" pageId="18" pageNumber="24" stateProvince="Sumatera Utara">Gundersen</location>
et al. 15
</emphasis>
(
<typeStatus id="54D666EC99043A39FC56FEC0FB9CFECE" box="[951,1046,285,308]" pageId="18" pageNumber="24" type="holotype">holotype</typeStatus>
<collectionCode id="ED7C408B99043A39FBFCFEC0FBBDFECE" box="[1053,1079,285,308]" country="United Kingdom" lsid="urn:lsid:biocol.org:col:15867" name="Royal Botanic Gardens" pageId="18" pageNumber="24" type="Herbarium">K</collectionCode>
!, isotype
<collectionCode id="ED7C408B99043A39FB7BFEC0FB49FECE" box="[1178,1219,285,308]" country="Indonesia" lsid="urn:lsid:biocol.org:col:15186" name="Herbarium Bogoriense" pageId="18" pageNumber="24" type="Herbarium">BO</collectionCode>
)
</materialsCitation>
.
</paragraph>
<paragraph id="8BD2D84E99043A39FF76FEB9FABBFABF" blockId="18.[151,1436,356,1890]" pageId="18" pageNumber="24">
Solitary, understorey tree palm. Stem
<quantity id="4C9575AB99043A39FD81FEB9FD24FE84" box="[608,686,356,382]" metricMagnitude="0" metricUnit="m" metricValue="3.5" metricValueMax="5.0" metricValueMin="2.0" pageId="18" pageNumber="24" unit="m" value="3.5" valueMax="5.0" valueMin="2.0">25 m</quantity>
tall,
<quantity id="4C9575AB99043A39FD0CFEB9FCC2FE84" box="[749,840,356,382]" metricMagnitude="-2" metricUnit="m" metricValue="3.5" metricValueMax="4.0" metricValueMin="3.0" pageId="18" pageNumber="24" unit="cm" value="3.5" valueMax="4.0" valueMin="3.0">34 cm</quantity>
diam.; internodes
<quantity id="4C9575AB99043A39FBCAFEB9FB0CFE84" box="[1067,1158,356,382]" metricMagnitude="-2" metricUnit="m" metricValue="4.5" metricValueMax="6.0" metricValueMin="3.0" pageId="18" pageNumber="24" unit="cm" value="4.5" valueMax="6.0" valueMin="3.0">36 cm</quantity>
long. Leaves
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crown, pinnate,
<quantity id="4C9575AB99043A39FE81FE57FE63FE5E" box="[352,489,394,420]" metricMagnitude="0" metricUnit="m" metricValue="1.025" metricValueMax="1.1" metricValueMin="0.95" pageId="18" pageNumber="24" unit="cm" value="102.5" valueMax="110.0" valueMin="95.0">95110 cm</quantity>
long (including petiole); sheath tubular,
<quantity id="4C9575AB99043A39FC08FE57FBEFFE5E" box="[1001,1125,394,420]" metricMagnitude="-1" metricUnit="m" metricValue="2.25" metricValueMax="2.5" metricValueMin="2.0" pageId="18" pageNumber="24" unit="cm" value="22.5" valueMax="25.0" valueMin="20.0">2025 cm</quantity>
long and
<quantity id="4C9575AB99043A39FB02FE57FAC5FE5E" box="[1251,1359,394,420]" metricMagnitude="-2" metricUnit="m" metricValue="8.0" metricValueMax="10.0" metricValueMin="6.0" pageId="18" pageNumber="24" unit="cm" value="8.0" valueMax="10.0" valueMin="6.0">610 cm</quantity>
wide, smooth, yellowish-green to grey brown, covered in punctiform brown indumenta, sparse or very frequent near the petiole; crown shaft well defined, up to
<quantity id="4C9575AB99043A39FD4BFE05FD7EFE08" box="[682,756,472,498]" metricMagnitude="-1" metricUnit="m" metricValue="5.0" pageId="18" pageNumber="24" unit="cm" value="50.0">50 cm</quantity>
long and
<quantity id="4C9575AB99043A39FC8EFE05FC33FE08" box="[879,953,472,498]" metricMagnitude="-1" metricUnit="m" metricValue="1.5" pageId="18" pageNumber="24" unit="cm" value="15.0">15 cm</quantity>
diam., sometimes swollen; petiole very short or lacking, channelled adaxially, rounded abaxially; rachis with adaxial longitudinal ridge, rounded abaxially; blade with irregularly arranged leaflets, 612 leaflets on each side, spacing between leaflets
<quantity id="4C9575AB99043A39FA8FFDF8FF35FD9C" metricMagnitude="-2" metricUnit="m" metricValue="6.5" metricValueMax="7.0" metricValueMin="6.0" pageId="18" pageNumber="24" unit="cm" value="6.5" valueMax="7.0" valueMin="6.0">67 cm</quantity>
; leaflets variable from narrow to broad, leaflets near petiole shorter than others, ca. 32 ×
<quantity id="4C9575AB99043A39FB17FD91FABFFD9C" box="[1270,1333,588,614]" metricMagnitude="-2" metricUnit="m" metricValue="5.0" pageId="18" pageNumber="24" unit="cm" value="5.0">5 cm</quantity>
, slightly sigmoid, the middle leaflets about 4755 ×
<quantity id="4C9575AB99043A39FD79FDAFFC81FD76" box="[664,779,626,652]" metricMagnitude="-2" metricUnit="m" metricValue="6.25" metricValueMax="8.0" metricValueMin="4.5" pageId="18" pageNumber="24" unit="cm" value="6.25" valueMax="8.0" valueMin="4.5">4.58 cm</quantity>
, with up to 4 folds, the terminal leaflets broad, 2233 ×
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, linear, tips pointed except for the terminal leaflets with notched tips, papery, slightly dark adaxially and pale abaxially. Inflorescence infrafoliar, erect,
<quantity id="4C9575AB99043A39FC8BFD1DFC68FD20" box="[874,994,704,730]" metricMagnitude="-1" metricUnit="m" metricValue="1.85" metricValueMax="2.2" metricValueMin="1.5" pageId="18" pageNumber="24" unit="cm" value="18.5" valueMax="22.0" valueMin="15.0">1522 cm</quantity>
long and
<quantity id="4C9575AB99043A39FBBBFD1DFB3FFD20" box="[1114,1205,704,730]" metricMagnitude="-2" metricUnit="m" metricValue="5.5" metricValueMax="6.0" metricValueMin="5.0" pageId="18" pageNumber="24" unit="cm" value="5.5" valueMax="6.0" valueMin="5.0">56 cm</quantity>
wide, protandrous, branching to 1 order (sometimes 2 at basalmost rachilla); peduncle
<quantity id="4C9575AB99043A39FC34FD3BFBBBFCFA" box="[981,1073,742,768]" metricMagnitude="-2" metricUnit="m" metricValue="3.5" metricValueMax="5.0" metricValueMin="2.0" pageId="18" pageNumber="24" unit="cm" value="3.5" valueMax="5.0" valueMin="2.0">25 cm</quantity>
long, cream to warm yellow; prophyll 1424 ×
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, borne about 1/2 way up the peduncle, lanceolate, 2-keeled, boat shaped, papery, cream to light brown, entirely enclosing the inflorescence, then splitting longitudinally and disintegrating into numerous fibres, still persistent after staminate anthesis; rachis cream-coloured; rachis bracts not persistent; rachillae ca. 13, 1013 (15) cm long, very stiff, flattened, wide or swollen near base, zigzag, slightly congested. Floral clusters distichous on the rachillae, complete triads including female flowers occurring from the base to half the length of each rachilla, 36 complete triads per rachilla. Staminate flowers small, triangular, sickle-shaped when young to elongate at anthesis, 6.99.3 ×
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, asymmetric, cream to pale brown; calyx fused, cup-shaped, ca. 2.3 ×
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at anthesis, 3-lobed, the lobes triangular about 1.6 ×
<quantity id="4C9575AB99043A39FAB1FBC1FA1DFBCC" box="[1360,1431,1052,1078]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="18" pageNumber="24" unit="mm" value="1.0">1 mm</quantity>
; petals 3, fused near base, lanceolate, 5.16.7 ×
<quantity id="4C9575AB99043A39FD5DFB9FFCBEFBA6" box="[700,820,1090,1116]" metricMagnitude="-3" metricUnit="m" metricValue="1.65" metricValueMax="2.0" metricValueMin="1.3" pageId="18" pageNumber="24" unit="mm" value="1.65" valueMax="2.0" valueMin="1.3">1.32 mm</quantity>
at anthesis, striate; stamens 6, ca.
<quantity id="4C9575AB99043A39FB25FB9FFA97FBA6" box="[1220,1309,1090,1116]" metricMagnitude="-3" metricUnit="m" metricValue="6.7" pageId="18" pageNumber="24" unit="mm" value="6.7">6.7 mm</quantity>
×
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, elongated, basifixed; anthers ca. 5.3 ×
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, creamy, elongated, sagittate, shorter than filaments; filaments ca. 6.7 ×
<quantity id="4C9575AB99043A39FEE2FB4DFED4FB50" box="[259,350,1168,1194]" metricMagnitude="-4" metricUnit="m" metricValue="3.0" pageId="18" pageNumber="24" unit="mm" value="0.3">0.3 mm</quantity>
, joined to anther from base to tip, dark brown; pistillode absent. Pistillate flowers larger than the staminate, triangular, buds varying greatly in size depending on stage of development,
<quantity id="4C9575AB99043A39FB3DFB6BFAD5FB2A" box="[1244,1375,1206,1232]" metricMagnitude="-2" metricUnit="m" metricValue="1.15" metricValueMax="1.3" metricValueMin="1.0" pageId="18" pageNumber="24" unit="mm" value="11.5" valueMax="13.0" valueMin="10.0">1013 mm</quantity>
long and
<quantity id="4C9575AB99043A39FF2DFB00FEB9FB0D" box="[204,307,1245,1271]" metricMagnitude="-3" metricUnit="m" metricValue="5.5" metricValueMax="6.0" metricValueMin="5.0" pageId="18" pageNumber="24" unit="mm" value="5.5" valueMax="6.0" valueMin="5.0">56 mm</quantity>
wide at anthesis; calyx with 3 sepals; sepals free, strongly imbricate, ca. 7.2 ×
<quantity id="4C9575AB99043A39FAFFFB00FAF6FB0D" box="[1310,1404,1245,1271]" metricMagnitude="-3" metricUnit="m" metricValue="6.4" pageId="18" pageNumber="24" unit="mm" value="6.4">6.4 mm</quantity>
at anthesis, triangular, asymmetrical; petals 3, imbricate, triangular, ca. 13 ×
<quantity id="4C9575AB99043A39FBD1FAD9FBFCFAE4" box="[1072,1142,1284,1310]" metricMagnitude="-3" metricUnit="m" metricValue="5.0" pageId="18" pageNumber="24" unit="mm" value="5.0">5 mm</quantity>
at anthesis; staminodes lacking. Fruits (young) green, elongate, apical stigmatic remains, mature fruits not seen. (
<figureCitation id="1356C4CB99043A39FB4CFAF6FAA9FABF" box="[1197,1315,1323,1349]" captionStart="FIGURE 10" captionStartId="19.[151,255,1850,1874]" captionTargetBox="[176,1409,201,1816]" captionTargetId="figure-133@19.[167,1419,194,1829]" captionTargetPageId="19" captionText="FIGURE 10. Areca triginticollina. A. Apical portion of leaf. B. Middle and basal portion of leaf. C. Basal portion of leaf and leaf sheath showing absence of petiole. D. Prophyll with disintegrating fibrous mass. E. Inflorescence. F. Details of rachilla showing staminate and pistilate flowers in bud and their arrangements. G. Pistillate flowers at anthesis on rachillae. H, I. Staminate flower whole and in section. J. Pistillate flower in section. Scale bar: AC = 6 cm; D, E = 3 cm; F = 1.5 cm; G = 2.5 cm; HJ = 4 mm. AF, HJ from Witono et al. 150; G from Gundersen et al. 15. Drawn by Lucy T. Smith." figureDoi="http://doi.org/10.5281/zenodo.4894330" httpUri="https://zenodo.org/record/4894330/files/figure.png" pageId="18" pageNumber="24">Figure 10</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="C3778BC599043A39FF27FA8DFAAAFA42" pageId="18" pageNumber="24" type="distribution">
<paragraph id="8BD2D84E99043A39FF27FA8DFC95FA68" blockId="18.[151,1436,356,1890]" pageId="18" pageNumber="24">
<emphasis id="B919045C99043A39FF27FA8DFEE3FA90" bold="true" box="[198,361,1360,1386]" pageId="18" pageNumber="24">Distribution:</emphasis>
—This species is only known very few collections from
<taxonomicName id="4C6DA3CD99043A39FBE9FA8CFB58FA91" authority="Tiga Puluh" authorityName="Tiga Puluh" box="[1032,1234,1361,1387]" genus="Bukit" pageId="18" pageNumber="24" rank="genus">Bukit Tiga Puluh</taxonomicName>
National Park in
<collectingRegion id="49A916AC99043A39FF76FAA5FEB7FA68" box="[151,317,1400,1426]" country="Indonesia" name="Riau" pageId="18" pageNumber="24">Riau Province</collectingRegion>
in South Western of
<collectingRegion id="49A916AC99043A39FDD4FAA5FD10FA68" box="[565,666,1400,1426]" country="Indonesia" name="Sumatera Utara" pageId="18" pageNumber="24">Sumatra</collectingRegion>
,
<collectingCountry id="F37A98DE99043A39FD44FAA5FC91FA68" box="[677,795,1400,1426]" name="Indonesia" pageId="18" pageNumber="24">Indonesia</collectingCountry>
.
</paragraph>
<paragraph id="8BD2D84E99043A39FF27FA43FAAAFA42" blockId="18.[151,1436,356,1890]" box="[198,1312,1438,1464]" pageId="18" pageNumber="24">
<emphasis id="B919045C99043A39FF27FA43FEBAFA42" bold="true" box="[198,304,1438,1464]" pageId="18" pageNumber="24">Habitat:</emphasis>
Recorded growing on a ridge crest on primary forest at
<quantity id="4C9575AB99043A39FC39FA43FBD5FA42" box="[984,1119,1438,1464]" metricMagnitude="2" metricUnit="m" metricValue="1.85" metricValueMax="2.5" metricValueMin="1.2" pageId="18" pageNumber="24" unit="m" value="185.0" valueMax="250.0" valueMin="120.0">120250 m</quantity>
above sea level.
</paragraph>
</subSubSection>
<subSubSection id="C3778BC599043A39FF27FA18FD1DFA25" box="[198,663,1477,1503]" pageId="18" pageNumber="24" type="description">
<paragraph id="8BD2D84E99043A39FF27FA18FD1DFA25" blockId="18.[151,1436,356,1890]" box="[198,663,1477,1503]" pageId="18" pageNumber="24">
<emphasis id="B919045C99043A39FF27FA18FE52FA25" bold="true" box="[198,472,1477,1503]" pageId="18" pageNumber="24">Local Name and uses:</emphasis>
—Not recorded.
</paragraph>
</subSubSection>
<subSubSection id="C3778BC599043A39FF27FA36FA98F9A9" pageId="18" pageNumber="24" type="discussion">
<paragraph id="8BD2D84E99043A39FF27FA36FA98F9A9" blockId="18.[151,1436,356,1890]" pageId="18" pageNumber="24">
<emphasis id="B919045C99043A39FF27FA36FE41F9FF" bold="true" box="[198,459,1515,1541]" pageId="18" pageNumber="24">Conservation status:</emphasis>
Endangered (EN B1ab, B2ab).
<taxonomicName id="4C6DA3CD99043A39FC84FA31FBD2F9FF" authorityName="Heatubun" authorityYear="2011" box="[869,1112,1516,1541]" class="Liliopsida" family="Arecaceae" genus="Areca" kingdom="Plantae" order="Arecales" pageId="18" pageNumber="24" phylum="Tracheophyta" rank="species" species="triginticollina">
<emphasis id="B919045C99043A39FC84FA31FBD2F9FF" box="[869,1112,1516,1541]" italics="true" pageId="18" pageNumber="24">Areca triginticollina</emphasis>
</taxonomicName>
occurs in a restricted area within
<taxonomicName id="4C6DA3CD99043A39FF0DF9CFFE37F9D6" authority="Tiga Puluh" authorityName="Tiga Puluh" box="[236,445,1554,1580]" genus="Bukit" pageId="18" pageNumber="24" rank="genus">Bukit Tiga Puluh</taxonomicName>
National Park,
<collectingRegion id="49A916AC99043A39FD9FF9CFFD30F9D6" box="[638,698,1554,1580]" country="Indonesia" name="Riau" pageId="18" pageNumber="24">Riau</collectingRegion>
,
<collectingRegion id="49A916AC99043A39FD29F9CFFCBAF9D6" box="[712,816,1554,1580]" country="Indonesia" name="Sumatera Utara" pageId="18" pageNumber="24">Sumatra</collectingRegion>
. This protected area is small and adjacent to forest production areas. Thus, despite its protected status, the habitat of this lowland palm area is at risk.
</paragraph>
</subSubSection>
<subSubSection id="C3778BC599043A39FF27F982FECEF898" pageId="18" pageNumber="24" type="etymology">
<paragraph id="8BD2D84E99043A39FF27F982FE95F93D" blockId="18.[151,1436,356,1890]" pageId="18" pageNumber="24">
<emphasis id="B919045C99043A39FF27F982FEDDF983" bold="true" box="[198,343,1631,1657]" pageId="18" pageNumber="24">Etymology:</emphasis>
The specific epithet refers to the
<typeStatus id="54D666EC99043A39FCE0F9BDFCB9F980" box="[769,819,1632,1658]" pageId="18" pageNumber="24">type</typeStatus>
locality of this new palm in Taman Nasional
<taxonomicName id="4C6DA3CD99043A39FABAF9BDFEAAF95A" authority="Tiga Puluh" authorityName="Tiga Puluh" genus="Bukit" pageId="18" pageNumber="24" rank="genus">Bukit Tiga Puluh</taxonomicName>
in
<collectingRegion id="49A916AC99043A39FEABF95BFE0DF95A" box="[330,391,1670,1696]" country="Indonesia" name="Riau" pageId="18" pageNumber="24">Riau</collectingRegion>
,
<collectingRegion id="49A916AC99043A39FE77F95BFD8AF95A" box="[406,512,1670,1696]" country="Indonesia" name="Sumatera Utara" pageId="18" pageNumber="24">Sumatra</collectingRegion>
,
<collectingCountry id="F37A98DE99043A39FDEFF95BFD01F95A" box="[526,651,1670,1696]" name="Indonesia" pageId="18" pageNumber="24">Indonesia</collectingCountry>
.
<emphasis id="B919045C99043A39FD79F95AFCC7F95A" box="[664,845,1671,1696]" italics="true" pageId="18" pageNumber="24">Triginticollina</emphasis>
in latin mean thirty hills or
<taxonomicName id="4C6DA3CD99043A39FB52F95BFAF1F95A" authority="tiga puluh" authorityName="Tiga Puluh" box="[1203,1403,1670,1696]" genus="Bukit" pageId="18" pageNumber="24" rank="genus">bukit tiga puluh</taxonomicName>
in Indonesian.
</paragraph>
<paragraph id="8BD2D84E99043A39FF27F90EFECEF898" blockId="18.[151,1436,356,1890]" pageId="18" pageNumber="24">
<emphasis id="B919045C99043A39FF27F90EFDE4F917" bold="true" box="[198,622,1747,1773]" pageId="18" pageNumber="24">Adiditional specimens examined:</emphasis>
<materialsCitation id="3B05D21399043A39FD6CF909FECAF898" ID-GBIF-Occurrence="3128532312" collectingDate="1991-05-15" collectingDateMax="1991-08-10" collectingDateMin="1991-05-15" collectionCode="K, BO" country="Indonesia" county="Indragiri Hulu Regency" location="National Park" municipality="Seberida District" pageId="18" pageNumber="24" specimenCount="1" stateProvince="Sumatera Utara">
<collectingCountry id="F37A98DE99043A39FD6CF909FCA5F914" box="[653,815,1748,1774]" name="Indonesia" pageId="18" pageNumber="24">INDONESIA</collectingCountry>
.
<collectingRegion id="49A916AC99043A39FCDEF909FC2EF914" box="[831,932,1748,1774]" country="Indonesia" name="Sumatera Utara" pageId="18" pageNumber="24">Sumatra</collectingRegion>
,
<collectingRegion id="49A916AC99043A39FC54F909FBECF914" box="[949,1126,1748,1774]" country="Indonesia" name="Riau" pageId="18" pageNumber="24">Riau Province</collectingRegion>
:
<collectingCounty id="62B3A0C299043A39FB97F909FA1DF914" box="[1142,1431,1748,1774]" pageId="18" pageNumber="24">Indragiri Hulu Regency</collectingCounty>
,
<collectingMunicipality id="6BB6423499043A39FF76F927FEE9F8EE" box="[151,355,1786,1812]" pageId="18" pageNumber="24">Seberida District</collectingMunicipality>
,
<taxonomicName id="4C6DA3CD99043A39FE8EF927FDB6F8EE" authority="Tiga Puluh" authorityName="Tiga Puluh" box="[367,572,1786,1812]" genus="Bukit" pageId="18" pageNumber="24" rank="genus">Bukit Tiga Puluh</taxonomicName>
<location id="8EB28E9599043A39FDA5F927FD61F8EE" LSID="urn:lsid:plazi:treatment:03C4695899043A3FFF76FF4AFCABFE68:8EB28E9599043A39FDA5F927FD61F8EE" box="[580,747,1786,1812]" country="Indonesia" county="Indragiri Hulu Regency" municipality="Seberida District" name="National Park" pageId="18" pageNumber="24" stateProvince="Sumatera Utara">National Park</location>
,
<locationDeviation id="9A60C16C99043A39FD19F927FC7EF8EE" box="[760,1012,1786,1812]" location="West of Kelesa" pageId="18" pageNumber="24">
<quantity id="4C9575AB99043A39FD19F927FCBFF8EE" box="[760,821,1786,1812]" metricMagnitude="3" metricUnit="m" metricValue="5.0" pageId="18" pageNumber="24" unit="km" value="5.0">5 km</quantity>
West of Kelesa
</locationDeviation>
,
<date id="FFD3FE8E99043A39FBE0F927FB29F8EE" box="[1025,1187,1786,1812]" pageId="18" pageNumber="24" value="1991-05-15">
<collectingDate id="EF97076699043A39FBE0F927FB29F8EE" box="[1025,1187,1786,1812]" pageId="18" pageNumber="24" value="1991-05-15">15 May 1991</collectingDate>
</date>
,
<emphasis id="B919045C99043A39FB51F926FA11F8EE" box="[1200,1435,1787,1812]" italics="true" pageId="18" pageNumber="24">
<location id="8EB28E9599043A39FB51F926FAB8F8EE" LSID="urn:lsid:plazi:treatment:03C4695899043A3FFF76FF4AFCABFE68:8EB28E9599043A39FB51F926FAB8F8EE" box="[1200,1330,1787,1812]" country="Indonesia" county="Indragiri Hulu Regency" municipality="Seberida District" name="Gundersen" pageId="18" pageNumber="24" stateProvince="Sumatera Utara">Gundersen</location>
et al. 32
</emphasis>
(
<collectionCode id="ED7C408B99043A39FF40F8FCFF37F8C1" box="[161,189,1825,1851]" country="United Kingdom" lsid="urn:lsid:biocol.org:col:15867" name="Royal Botanic Gardens" pageId="18" pageNumber="24" type="Herbarium">K</collectionCode>
!,
<collectionCode id="ED7C408B99043A39FF2FF8FCFF71F8C1" box="[206,251,1825,1851]" country="Indonesia" lsid="urn:lsid:biocol.org:col:15186" name="Herbarium Bogoriense" pageId="18" pageNumber="24" type="Herbarium">BO</collectionCode>
);
<location id="8EB28E9599043A39FEF1F8FCFDABF8C1" LSID="urn:lsid:plazi:treatment:03C4695899043A3FFF76FF4AFCABFE68:8EB28E9599043A39FEF1F8FCFDABF8C1" box="[272,545,1825,1851]" country="Indonesia" county="Indragiri Hulu Regency" municipality="Seberida District" name="Talang Langkat village" pageId="18" pageNumber="24" stateProvince="Sumatera Utara">Talang Langkat village</location>
,
<date id="FFD3FE8E99043A39FDCCF8FCFD56F8C1" box="[557,732,1825,1851]" pageId="18" pageNumber="24" value="1991-08-09">
<collectingDate id="EF97076699043A39FDCCF8FCFD56F8C1" box="[557,732,1825,1851]" pageId="18" pageNumber="24" value="1991-08-09">9 August 1991</collectingDate>
</date>
,
<emphasis id="B919045C99043A39FD08F8FCFC3BF8C0" box="[745,945,1825,1850]" italics="true" pageId="18" pageNumber="24">Witono et al. 146</emphasis>
(
<collectionCode id="ED7C408B99043A39FC22F8FCFC55F8C1" box="[963,991,1825,1851]" country="United Kingdom" lsid="urn:lsid:biocol.org:col:15867" name="Royal Botanic Gardens" pageId="18" pageNumber="24" type="Herbarium">K</collectionCode>
!,
<collectionCode id="ED7C408B99043A39FC11F8FCFBABF8C1" box="[1008,1057,1825,1851]" country="Indonesia" lsid="urn:lsid:biocol.org:col:15186" name="Herbarium Bogoriense" pageId="18" pageNumber="24" type="Herbarium">BO</collectionCode>
!);
<date id="FFD3FE8E99043A39FBDDF8FCFB70F8C1" box="[1084,1274,1825,1851]" pageId="18" pageNumber="24" value="1991-08-10">
<collectingDate id="EF97076699043A39FBDDF8FCFB70F8C1" box="[1084,1274,1825,1851]" pageId="18" pageNumber="24" value="1991-08-10">10 August 1991</collectingDate>
</date>
,
<emphasis id="B919045C99043A39FAE7F8FCFF49F89B" italics="true" pageId="18" pageNumber="24">Witono et al. 150</emphasis>
(
<collectionCode id="ED7C408B99043A39FF35F895FF7AF898" box="[212,240,1864,1890]" country="United Kingdom" lsid="urn:lsid:biocol.org:col:15867" name="Royal Botanic Gardens" pageId="18" pageNumber="24" type="Herbarium">K</collectionCode>
!,
<collectionCode id="ED7C408B99043A39FEE0F895FEB9F898" box="[257,307,1864,1890]" country="Indonesia" lsid="urn:lsid:biocol.org:col:15186" name="Herbarium Bogoriense" pageId="18" pageNumber="24" type="Herbarium">BO</collectionCode>
!)
</materialsCitation>
.
</paragraph>
</subSubSection>
<caption id="DF1288C699053A38FF76F8E7FF54F80B" ID-DOI="http://doi.org/10.5281/zenodo.4894330" ID-Zenodo-Dep="4894330" httpUri="https://zenodo.org/record/4894330/files/figure.png" pageId="19" pageNumber="25" startId="19.[151,255,1850,1874]" targetBox="[176,1409,201,1816]" targetPageId="19">
<paragraph id="8BD2D84E99053A38FF76F8E7FF54F80B" blockId="19.[151,1436,1850,2033]" pageId="19" pageNumber="25">
<emphasis id="B919045C99053A38FF76F8E7FEACF8A8" bold="true" box="[151,294,1850,1874]" pageId="19" pageNumber="25">FIGURE 10.</emphasis>
<taxonomicName id="4C6DA3CD99053A38FECDF8E7FD8FF8AB" authorityName="Heatubun" authorityYear="2011" box="[300,517,1850,1873]" class="Liliopsida" family="Arecaceae" genus="Areca" kingdom="Plantae" order="Arecales" pageId="19" pageNumber="25" phylum="Tracheophyta" rank="species" species="triginticollina">
<emphasis id="B919045C99053A38FECDF8E7FD8FF8AB" box="[300,517,1850,1873]" italics="true" pageId="19" pageNumber="25">Areca triginticollina</emphasis>
</taxonomicName>
. A. Apical portion of leaf. B. Middle and basal portion of leaf. C. Basal portion of leaf and leaf sheath showing absence of petiole. D. Prophyll with disintegrating fibrous mass. E. Inflorescence. F. Details of rachilla showing staminate and pistilate flowers in bud and their arrangements. G. Pistillate flowers at anthesis on rachillae. H, I. Staminate flower whole and in section. J. Pistillate flower in section. Scale bar: AC = 6 cm; D, E = 3 cm; F = 1.5 cm; G = 2.5 cm; HJ = 4 mm. AF, HJ from
<emphasis id="B919045C99053A38FD3DF867FC1EF82B" box="[732,916,1978,2001]" italics="true" pageId="19" pageNumber="25">Witono et al. 150</emphasis>
; G from
<emphasis id="B919045C99053A38FC16F867FB41F82B" box="[1015,1227,1978,2001]" italics="true" pageId="19" pageNumber="25">Gundersen et al. 15</emphasis>
. Drawn by Lucy T. Smith.
</paragraph>
</caption>
<subSubSection id="C3778BC599023A3FFF27FF4AFCABFE68" pageId="20" pageNumber="26" type="discussion">
<paragraph id="8BD2D84E99023A3FFF27FF4AFCABFE68" blockId="20.[151,1436,151,402]" pageId="20" pageNumber="26">
<emphasis id="B919045C99023A3FFF27FF4AFEDEFF4B" bold="true" box="[198,340,151,177]" pageId="20" pageNumber="26">Discussion:</emphasis>
<taxonomicName id="4C6DA3CD99023A3FFE90FF45FDE9FF4B" authorityName="Heatubun" authorityYear="2011" box="[369,611,152,177]" class="Liliopsida" family="Arecaceae" genus="Areca" kingdom="Plantae" order="Arecales" pageId="20" pageNumber="26" phylum="Tracheophyta" rank="species" species="triginticollina">
<emphasis id="B919045C99023A3FFE90FF45FDE9FF4B" box="[369,611,152,177]" italics="true" pageId="20" pageNumber="26">Areca triginticollina</emphasis>
</taxonomicName>
is similar to
<taxonomicName id="4C6DA3CD99023A3FFCE9FF45FCE6FF4B" authorityName="Dransfield &amp; Lim" authorityYear="1992" box="[776,876,152,177]" class="Liliopsida" family="Arecaceae" genus="Areca" kingdom="Plantae" order="Arecales" pageId="20" pageNumber="26" phylum="Tracheophyta" rank="species" species="tunku">
<emphasis id="B919045C99023A3FFCE9FF45FCE6FF4B" box="[776,876,152,177]" italics="true" pageId="20" pageNumber="26">A. tunku</emphasis>
</taxonomicName>
in many respects, including the litter-trapping crown and the inflorescence sometimes bursting out from the persistent prophyll. However, they can be distinguished by inflorescence structure.
<taxonomicName id="4C6DA3CD99023A3FFD75FF3FFC05FF01" authorityName="Heatubun" authorityYear="2011" box="[660,911,226,251]" class="Liliopsida" family="Arecaceae" genus="Areca" kingdom="Plantae" order="Arecales" pageId="20" pageNumber="26" phylum="Tracheophyta" rank="species" species="triginticollina">
<emphasis id="B919045C99023A3FFD75FF3FFC05FF01" box="[660,911,226,251]" italics="true" pageId="20" pageNumber="26">Areca triginticollina</emphasis>
</taxonomicName>
has swollen-flattened rachillae, which are folded in a zigzag fashion, this corresponding to the position of the pistillate flowers; also the triads are distributed along half of the length of the rachilla.
<taxonomicName id="4C6DA3CD99023A3FFD19FEF0FC03FEBC" authorityName="Dransfield &amp; Lim" authorityYear="1992" box="[760,905,301,326]" class="Liliopsida" family="Arecaceae" genus="Areca" kingdom="Plantae" order="Arecales" pageId="20" pageNumber="26" phylum="Tracheophyta" rank="species" species="tunku">
<emphasis id="B919045C99023A3FFD19FEF0FC03FEBC" box="[760,905,301,326]" italics="true" pageId="20" pageNumber="26">Areca tunku</emphasis>
</taxonomicName>
has erect, stiff and rigid rachillae and triads with female borne at the base of the rachillae only. Although the inflorescence structure is slightly similar to
<taxonomicName id="4C6DA3CD99023A3FFF76FEA5FECBFE6B" authorityName="Dransfield" authorityYear="1984" box="[151,321,376,401]" class="Liliopsida" family="Arecaceae" genus="Areca" kingdom="Plantae" order="Arecales" pageId="20" pageNumber="26" phylum="Tracheophyta" rank="species" species="jugahpunya">
<emphasis id="B919045C99023A3FFF76FEA5FECBFE6B" box="[151,321,376,401]" italics="true" pageId="20" pageNumber="26">A. jugahpunya</emphasis>
</taxonomicName>
, the species are totally different in habit.
</paragraph>
</subSubSection>
</treatment>
</document>