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<document id="B975BFA2E48B543C723675A34DC1254E" ID-DOI="10.11646/phytotaxa.314.1.2" ID-ISSN="1179-3163" ID-Zenodo-Dep="13700705" IM.bibliography_approvedBy="guilherme" IM.illustrations_approvedBy="guilherme" IM.materialsCitations_approvedBy="guilherme" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="GgImagineBatch" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="guilherme" checkinTime="1725575244483" checkinUser="felipe" docAuthor="Vianna, Suelen Alves" docDate="2017" docId="B3670079B22E930588B1615EFA64F915" docLanguage="en" docName="phytotaxa.314.1.2.pdf" docOrigin="Phytotaxa 314 (1)" docSource="http://dx.doi.org/10.11646/phytotaxa.314.1.2" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="13" docTitle="Acrocomia corumbaensis S. A. Vianna. 2017, sp. nov." docType="treatment" docVersion="1" lastPageNumber="51" masterDocId="4F5E7801B22F930388396408FFC0FFB4" masterDocTitle="A new species of Acrocomia (Arecaceae) from Central Brazil" masterLastPageNumber="54" masterPageNumber="45" pageNumber="46" updateTime="1743163247264" updateUser="guilherme" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
<mods:mods id="24B2836507D570E231409C1ABF14DFCC" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="DC197893A1FAC378719D6FEA987FADF8">
<mods:title id="8CD5F1B00387F8418DB84DB6AB604BF0">A new species of Acrocomia (Arecaceae) from Central Brazil</mods:title>
</mods:titleInfo>
<mods:name id="5345E576DFC2C35828C61201A1F03DC3" type="personal">
<mods:role id="259305C0D33BB6FB566BAD627486A485">
<mods:roleTerm id="2DD5E524C00DF1106A0339B85A7C4B26">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="C8CC3C7FA4E947FB294633CDD360C237">Vianna, Suelen Alves</mods:namePart>
</mods:name>
<mods:typeOfResource id="B58987F85D4FCF052926C70282725603">text</mods:typeOfResource>
<mods:relatedItem id="8175E12C6A8282FC4F206AE71BA9E6C5" type="host">
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<mods:title id="891D9E8D005B28536B3A6265F1DACF03">Phytotaxa</mods:title>
</mods:titleInfo>
<mods:part id="4C6639E73565B928B377E9E36B2A8DC1">
<mods:date id="EF2A09CDF65D58FD3BA6942F7D239165">2017</mods:date>
<mods:detail id="377F88F32BDF77477AD14899A75C02E9" type="pubDate">
<mods:number id="BEC1D7FA591C73FB8FAEF9AD4276720D">2017-07-21</mods:number>
</mods:detail>
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<mods:number id="B868AF2417AD31E2D92652FD15A01559">314</mods:number>
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<mods:number id="F459C427E36517BEFDB5E107CD80B9FD">1</mods:number>
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<mods:url id="52E6374731B71F163FBFAE3DE17BEA99">http://dx.doi.org/10.11646/phytotaxa.314.1.2</mods:url>
</mods:location>
<mods:classification id="44665BD5E533A1D6ED9E1548963DC82B">journal article</mods:classification>
<mods:identifier id="CC52BED234978F09BF4E8E4C6DC40490" type="DOI">10.11646/phytotaxa.314.1.2</mods:identifier>
<mods:identifier id="52D10A82BF8152134211F62C9607FDA1" type="ISSN">1179-3163</mods:identifier>
<mods:identifier id="18DEE61492F54DB2B6CE9D9ECDDCD413" type="Zenodo-Dep">13700705</mods:identifier>
</mods:mods>
<treatment id="B3670079B22E930588B1615EFA64F915" LSID="urn:lsid:plazi:treatment:B3670079B22E930588B1615EFA64F915" httpUri="http://treatment.plazi.org/id/B3670079B22E930588B1615EFA64F915" lastPageId="6" lastPageNumber="51" pageId="1" pageNumber="46">
<subSubSection id="73D4E2E4B22E930288B1615EFC3BFADB" box="[136,1019,1366,1391]" pageId="1" pageNumber="46" type="nomenclature">
<paragraph id="3B71B16FB22E930288B1615EFC3BFADB" blockId="1.[136,1452,1366,1569]" box="[136,1019,1366,1391]" pageId="1" pageNumber="46">
<taxonomicName id="FCCECAECB22E930288B1615EFDF4FADB" authority="S.A.Vianna." authorityName="S. A. Vianna." authorityYear="2017" box="[136,564,1366,1391]" class="Liliopsida" family="Arecaceae" genus="Acrocomia" kingdom="Plantae" order="Arecales" pageId="1" pageNumber="46" phylum="Tracheophyta" rank="species" species="corumbaensis" status="sp. nov.">
<emphasis id="09BA6D7DB22E930288B1615EFE65FADB" box="[136,421,1366,1391]" italics="true" pageId="1" pageNumber="46">Acrocomia corumbaensis</emphasis>
S.A.Vianna.
</taxonomicName>
<taxonomicNameLabel id="1289D006B22E93028A03615EFD50FADB" box="[570,656,1366,1391]" pageId="1" pageNumber="46" rank="species">
<emphasis id="09BA6D7DB22E93028A03615EFD49FADB" box="[570,649,1366,1391]" italics="true" pageId="1" pageNumber="46">sp. nov</emphasis>
.
</taxonomicNameLabel>
,
<figureCitation id="A3F5ADEAB22E93028AA6615EFD20FADB" box="[671,736,1366,1391]" captionStart="FIGURE 1" captionStartId="2.[136,229,1727,1748]" captionTargetBox="[235,1346,208,1689]" captionTargetId="figure-17@2.[230,1356,189,1701]" captionTargetPageId="2" captionText="FIGURE 1. Acrocomia corumbaensis. A. Habit. B. Leaf. C. Leaf rachis. D. Rachilla. E. Pistillate flowers. F. Longitudinal section of pistillate flower. G. Staminate flowers. H. Staminate flower closed. I. Staminate flower open. J. Cross section of the anther. K. Pistillode. L. Staminate flower floral diagram. M. Pistillate flower floral diagram. N. Infrutescence. O. Young fruit with many trichomes. P. Mature fruit. Q. Cross section of the mature fruit. R. Endocarp." figureDoi="http://doi.org/10.5281/zenodo.13700707" httpUri="https://zenodo.org/record/13700707/files/figure.png" pageId="1" pageNumber="46">Fig. 1</figureCitation>
(A–R) and
<figureCitation id="A3F5ADEAB22E93028B5C615EFC66FADB" box="[869,934,1366,1391]" captionStart="FIGURE 2" captionStartId="3.[136,229,1844,1865]" captionTargetBox="[176,1414,353,1817]" captionTargetId="figure-85@3.[173,1414,353,1818]" captionTargetPageId="3" captionText="FIGURE 2. Acrocomia corumbaensis.A. Habit.B.Young light yellow inflorescence.C. Mature light green inflorescence.D. Infrutescence with young fruits. E. Mature fruits." figureDoi="http://doi.org/10.5281/zenodo.13700709" httpUri="https://zenodo.org/record/13700709/files/figure.png" pageId="1" pageNumber="46">Fig. 2</figureCitation>
(A–E).
</paragraph>
</subSubSection>
<subSubSection id="73D4E2E4B22E930288B16174FDA2FA01" pageId="1" pageNumber="46" type="materials_examined">
<paragraph id="3B71B16FB22E930288B16174FDA2FA01" blockId="1.[136,1452,1366,1569]" pageId="1" pageNumber="46">
<materialsCitation id="8BA6BB32B22E930288B16174FE00FA01" collectingDate="2012-09-28" collectionCode="IAC" collectorName="S. A. Vianna" country="Brazil" location="Assentamento Antonio Maria Coelho" municipality="Corumba" pageId="1" pageNumber="46" specimenCount="1" stateProvince="Mato Grosso do Sul" typeStatus="holotype">
Type:
<collectingCountry id="43D9F1FFB22E930288FA6174FEDDFA25" box="[195,285,1404,1425]" name="Brazil" pageId="1" pageNumber="46">BRAZIL</collectingCountry>
.
<collectingRegion id="F90A7F8DB22E9302891C6174FE26FA25" box="[293,486,1404,1425]" country="Brazil" name="Mato Grosso do Sul" pageId="1" pageNumber="46">Mato Grosso do Sul</collectingRegion>
.
<collectingMunicipality id="DB152B15B22E930289D76174FD8AFA25" box="[494,586,1404,1425]" pageId="1" pageNumber="46">Corumbá</collectingMunicipality>
,
<location id="3E11E7B4B22E93028A686174FC77FA25" LSID="urn:lsid:plazi:treatment:B3670079B22E930588B1615EFA64F915:3E11E7B4B22E93028A686174FC77FA25" box="[593,951,1404,1425]" country="Brazil" municipality="Corumba" name="Assentamento Antonio Maria Coelho" pageId="1" pageNumber="46" stateProvince="Mato Grosso do Sul">Assentamento Antônio Maria Coelho</location>
.
<date id="4F7097AFB22E93028BF96174FBB8FA25" box="[960,1144,1404,1425]" pageId="1" pageNumber="46" value="2012-09-28">
<collectingDate id="5F346E47B22E93028BF96174FBB8FA25" box="[960,1144,1404,1425]" pageId="1" pageNumber="46" value="2012-09-28">28 September 2012</collectingDate>
</date>
,
<emphasis id="09BA6D7DB22E93028CBA6174FAD0FA25" box="[1155,1296,1404,1425]" italics="true" pageId="1" pageNumber="46">
<collectorName id="963BD4B9B22E93028CBA6174FB33FA25" box="[1155,1267,1404,1425]" pageId="1" pageNumber="46">S.A. Vianna</collectorName>
73
</emphasis>
(
<typeStatus id="E4750FCDB22E93028D256174FABAFA25" box="[1308,1402,1404,1425]" pageId="1" pageNumber="46" type="holotype">Holotype</typeStatus>
:
<collectionCode id="5DDF29AAB22E93028DBB6174FA6BFA25" box="[1410,1451,1404,1425]" pageId="1" pageNumber="46">IAC</collectionCode>
[accession number 53.927]
</materialsCitation>
;
<materialsCitation id="8BA6BB32B22E930289EA61A8FD9EFA01" box="[467,606,1440,1461]" collectingDate="2012-09-28" collectionCode="FTG" collectorName="S. A. Vianna" country="Brazil" location="Assentamento Antonio Maria Coelho" municipality="Corumba" pageId="1" pageNumber="46" specimenCount="1" stateProvince="Mato Grosso do Sul" typeStatus="isotype">
<typeStatus id="E4750FCDB22E930289EA61A8FDDCFA01" box="[467,540,1440,1461]" pageId="1" pageNumber="46" type="isotype">isotype</typeStatus>
:
<collectionCode id="5DDF29AAB22E93028A1C61A8FD97FA01" box="[549,599,1440,1461]" pageId="1" pageNumber="46">FTG</collectionCode>
)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="73D4E2E4B22E930288B161CCFD7EF995" pageId="1" pageNumber="46" type="diagnosis">
<paragraph id="3B71B16FB22E930288B161CCFD7EF995" blockId="1.[136,1452,1366,1569]" pageId="1" pageNumber="46">
<emphasis id="09BA6D7DB22E930288B161CCFD7EF995" italics="true" pageId="1" pageNumber="46">
Affinis
<taxonomicName id="FCCECAECB22E930288F561CCFDA7FA6D" authority="(Jacq.) Lodd ex Mart." authorityName="Loddiges ex Martius" authorityYear="1823" baseAuthorityName="Jacq." box="[204,615,1476,1497]" class="Liliopsida" family="Arecaceae" genus="Acrocomia" kingdom="Plantae" order="Arecales" pageId="1" pageNumber="46" phylum="Tracheophyta" rank="species" species="aculeata">Acrocomia aculeata (Jacq.) Lodd ex Mart.</taxonomicName>
habitu arboreo, pinnis foliorum planis distinctis insertis et structura florali sed, stipite inermi, foliis deciduis, bractea pedunculari dense villosa, trichomatibus brunneis praedita, inflorescentiis floribusque maturis viridicitrinis et fructibus minoribus (1.0–1.8 diam.) differt.
</emphasis>
</paragraph>
</subSubSection>
<subSubSection id="73D4E2E4B22E930588B1625AFB3EFB45" lastPageId="6" lastPageNumber="51" pageId="1" pageNumber="46" type="description">
<paragraph id="3B71B16FB22E930088B1625AFE93FEFD" blockId="1.[136,1452,1618,2075]" lastBlockId="3.[136,1452,160,329]" lastPageId="3" lastPageNumber="48" pageId="1" pageNumber="46">
<emphasis id="09BA6D7DB22E930288B1625AFF05F9DF" bold="true" box="[136,197,1618,1643]" pageId="1" pageNumber="46">Stem</emphasis>
solitary ca. 8.0 m tall and ca.
<quantity id="FC361C8AB22E93028A14625AFD42F9DF" box="[557,642,1618,1643]" metricMagnitude="0" metricUnit="m" metricValue="1.16" pageId="1" pageNumber="46" unit="cm" value="116.0">116 cm</quantity>
in diameter at
<quantity id="FC361C8AB22E93028B0F625AFCA4F9DF" box="[822,868,1618,1643]" metricMagnitude="0" metricUnit="m" metricValue="1.0" pageId="1" pageNumber="46" unit="m" value="1.0">1 m</quantity>
above the ground, smooth, without spines nor the remnants of leaf sheath bases.
<emphasis id="09BA6D7DB22E930289DD627EFDF6F93B" bold="true" box="[484,566,1654,1679]" pageId="1" pageNumber="46">Leaves</emphasis>
pinnate, ca.
<quantity id="FC361C8AB22E93028AF1627EFCC2F93B" box="[712,770,1654,1679]" metricMagnitude="0" metricUnit="m" metricValue="1.0413999999999999" pageId="1" pageNumber="46" unit="in" value="41.0">41 in</quantity>
the crown, with only a few persistent dead leaves along the stem, leaf abscission occurring at the leaf sheath base which measures 26–28 ×
<quantity id="FC361C8AB22E93028C376292FB42F907" box="[1038,1154,1690,1715]" metricMagnitude="-1" metricUnit="m" metricValue="1.95" metricValueMax="2.3" metricValueMin="1.6" pageId="1" pageNumber="46" unit="cm" value="19.5" valueMax="23.0" valueMin="16.0">16–23 cm</quantity>
; pseudopetioles
<quantity id="FC361C8AB22E93028D056292FA6BF907" box="[1340,1451,1690,1715]" metricMagnitude="-1" metricUnit="m" metricValue="6.35" metricValueMax="7.2" metricValueMin="5.5" pageId="1" pageNumber="46" unit="cm" value="63.5" valueMax="72.0" valueMin="55.0">55–72 cm</quantity>
long with smooth margins, without spines, but with the presence of scattered light brown trichomes; petioles
<quantity id="FC361C8AB22E93028D0462B6FA6BF963" box="[1341,1451,1726,1751]" metricMagnitude="-1" metricUnit="m" metricValue="4.2" metricValueMax="4.8" metricValueMin="3.6" pageId="1" pageNumber="46" unit="cm" value="42.0" valueMax="48.0" valueMin="36.0">36–48 cm</quantity>
long and
<quantity id="FC361C8AB22E930288C862EAFE93F94F" box="[241,339,1762,1787]" metricMagnitude="-1" metricUnit="m" metricValue="1.0" metricValueMax="1.2" metricValueMin="0.8" pageId="1" pageNumber="46" unit="cm" value="10.0" valueMax="12.0" valueMin="8.0">8–12 cm</quantity>
wide with the presence of light brown trichomes, and sometimes with the presence of spines. Leaf rachises
<quantity id="FC361C8AB22E930288D3630EFEB6F8AB" box="[234,374,1798,1823]" metricMagnitude="0" metricUnit="m" metricValue="3.065" metricValueMax="3.57" metricValueMin="2.56" pageId="1" pageNumber="46" unit="cm" value="306.5" valueMax="357.0" valueMin="256.0">256–357 cm</quantity>
long with the presence of light brown trichomes and dark spines on the abaxial surface; pinnae 112–114 on each side, regularly arranged along the rachis in a single plane, but more so near the tip, coriaceous, with a single fold, linear, with acute apex, green and glabrous on the adaxial face and greyish green and pubescent covered with trichomes on the abaxial surface, visible veins parallel to the main vein, basal leaflets 68–84 ×
<quantity id="FC361C8AB22E93028CEC637AFA94F83F" box="[1237,1364,1906,1931]" metricMagnitude="-2" metricUnit="m" metricValue="1.6" metricValueMax="2.5" metricValueMin="0.7" pageId="1" pageNumber="46" unit="cm" value="1.6" valueMax="2.5" valueMin="0.7">0.7–2.5 cm</quantity>
, middle leaflets
<quantity id="FC361C8AB22E930288D9639EFEA5F81B" box="[224,357,1942,1967]" metricMagnitude="-1" metricUnit="m" metricValue="8.675" metricValueMax="9.1" metricValueMin="8.25" pageId="1" pageNumber="46" unit="cm" value="86.75" valueMax="91.0" valueMin="82.5">82.5–91 cm</quantity>
×
<quantity id="FC361C8AB22E930289BD639EFE1AF81B" box="[388,474,1942,1967]" metricMagnitude="-2" metricUnit="m" metricValue="2.5" metricValueMax="3.0" metricValueMin="2.0" pageId="1" pageNumber="46" unit="cm" value="2.5" valueMax="3.0" valueMin="2.0">2–3 cm</quantity>
, and apical leaflets 48–62 ×
<quantity id="FC361C8AB22E93028B24639EFC5FF81B" box="[797,927,1942,1967]" metricMagnitude="-2" metricUnit="m" metricValue="2.1" metricValueMax="2.5" metricValueMin="1.7" pageId="1" pageNumber="46" unit="cm" value="2.1" valueMax="2.5" valueMin="1.7">1.7–2.5 cm</quantity>
.
<emphasis id="09BA6D7DB22E93028B90639EFB92F81B" bold="true" box="[937,1106,1942,1967]" pageId="1" pageNumber="46">Inflorescences</emphasis>
, spiny, interfoliar, branched to one order; peduncle 42–62 ×
<quantity id="FC361C8AB22E930289E363B2FD8EF867" box="[474,590,1978,2003]" metricMagnitude="-1" metricUnit="m" metricValue="1.2" metricValueMax="1.4" metricValueMin="1.0" pageId="1" pageNumber="46" unit="cm" value="12.0" valueMax="14.0" valueMin="10.0">10–14 cm</quantity>
, sometimes with spines. Peduncular bracts
<quantity id="FC361C8AB22E93028C0763B2FB0BF867" box="[1086,1227,1978,2003]" metricMagnitude="0" metricUnit="m" metricValue="1.295" metricValueMax="1.52" metricValueMin="1.0699999999999998" pageId="1" pageNumber="46" unit="cm" value="129.5" valueMax="152.0" valueMin="107.0">107–152 cm</quantity>
long, the expanded part
<quantity id="FC361C8AB22E9302888263D6FE80F843" box="[187,320,2014,2039]" metricMagnitude="-1" metricUnit="m" metricValue="1.575" metricValueMax="1.7" metricValueMin="1.45" pageId="1" pageNumber="46" unit="cm" value="15.75" valueMax="17.0" valueMin="14.5">14.5–17 cm</quantity>
long, green, longitudinally grooved and sparsely covered with light brown tomentum; rachises light green, with the branched portion (excluding the peduncle) 116–129 ×
<quantity id="FC361C8AB22E93028B9C6C0AFBD4F7AF" box="[933,1044,2050,2075]" metricMagnitude="-1" metricUnit="m" metricValue="1.2" metricValueMax="1.3" metricValueMin="1.1" pageId="1" pageNumber="46" unit="cm" value="12.0" valueMax="13.0" valueMin="11.0">11–13 cm</quantity>
long; rachillae
<quantity id="FC361C8AB22E93028CFE6C0AFA8CF7AF" box="[1223,1356,2050,2075]" metricMagnitude="-1" metricUnit="m" metricValue="2.825" metricValueMax="3.45" metricValueMin="2.2" pageId="1" pageNumber="46" unit="cm" value="28.25" valueMax="34.5" valueMin="22.0">22–34.5 cm</quantity>
in long, light green, with the basal pistillate portion
<quantity id="FC361C8AB22D93018A486378FD1FF83D" box="[625,735,1904,1929]" metricMagnitude="-1" metricUnit="m" metricValue="1.45" metricValueMax="1.8" metricValueMin="1.1" pageId="2" pageNumber="47" unit="cm" value="14.5" valueMax="18.0" valueMin="11.0">11–18 cm</quantity>
long containing 9–20 pistillate flowers and the apical staminate portion
<quantity id="FC361C8AB22D930188D9639CFE96F819" box="[224,342,1940,1965]" metricMagnitude="-1" metricUnit="m" metricValue="1.275" metricValueMax="1.7" metricValueMin="0.85" pageId="2" pageNumber="47" unit="cm" value="12.75" valueMax="17.0" valueMin="8.5">8.5–17 cm</quantity>
long; staminate flowers 5.1–6.6 × 2.6–
<quantity id="FC361C8AB22D93018B29639CFCA7F819" box="[784,871,1940,1965]" metricMagnitude="-3" metricUnit="m" metricValue="2.5" pageId="2" pageNumber="47" unit="mm" value="2.5">2.5 mm</quantity>
, spirally arranged on the rachilla, pale yellow when immature, light green when fully mature; sepals 3,
<quantity id="FC361C8AB22D93018AF563B0FC94F865" box="[716,852,1976,2001]" metricMagnitude="-3" metricUnit="m" metricValue="1.4" metricValueMax="1.6" metricValueMin="1.2" pageId="2" pageNumber="47" unit="mm" value="1.4" valueMax="1.6" valueMin="1.2">1.2–1.6 mm</quantity>
long, connate at the base; petals 3,
<quantity id="FC361C8AB22D93018CD363B0FAB2F865" box="[1258,1394,1976,2001]" metricMagnitude="-3" metricUnit="m" metricValue="6.05" metricValueMax="6.3" metricValueMin="5.8" pageId="2" pageNumber="47" unit="mm" value="6.05" valueMax="6.3" valueMin="5.8">5.8–6.3 mm</quantity>
long with slightly rounded tips, stamens 6,
<quantity id="FC361C8AB22D93018A0963D4FD76F841" box="[560,694,2012,2037]" metricMagnitude="-3" metricUnit="m" metricValue="4.05" metricValueMax="4.5" metricValueMin="3.6" pageId="2" pageNumber="47" unit="mm" value="4.05" valueMax="4.5" valueMin="3.6">3.6–4.5 mm</quantity>
long; anthers
<quantity id="FC361C8AB22D93018B6D63D4FC1BF841" box="[852,987,2012,2037]" metricMagnitude="-3" metricUnit="m" metricValue="2.5" metricValueMax="2.6" metricValueMin="2.4" pageId="2" pageNumber="47" unit="mm" value="2.5" valueMax="2.6" valueMin="2.4">2.4–2.6 mm</quantity>
long; pistillode present; flowers arranged in spirally arranged triads (one pistillate flower flanked by two staminate flowers); pistillate flowers 4.9–6.2 ×
<quantity id="FC361C8AB22D93008D616C08FF76FF0D" lastPageId="3" lastPageNumber="48" metricMagnitude="-3" metricUnit="m" metricValue="4.25" metricValueMax="4.8" metricValueMin="3.7" pageId="2" pageNumber="47" unit="mm" value="4.25" valueMax="4.8" valueMin="3.7">3.7–4.8 mm</quantity>
, light yellow when immature and light green when mature, rounded at the tip, glabrous; sepals valvate, 3,
<quantity id="FC361C8AB22C93008D6164A8FF74FF69" metricMagnitude="-3" metricUnit="m" metricValue="1.75" metricValueMax="1.8" metricValueMin="1.7" pageId="3" pageNumber="48" unit="mm" value="1.75" valueMax="1.8" valueMin="1.7">1.7–1.8 mm</quantity>
long; petals imbricate 3,
<quantity id="FC361C8AB22C930089DA64CCFDAEFF69" box="[483,622,196,221]" metricMagnitude="-3" metricUnit="m" metricValue="4.8" metricValueMax="5.7" metricValueMin="3.9" pageId="3" pageNumber="48" unit="mm" value="4.8" valueMax="5.7" valueMin="3.9">3.9–5.7 mm</quantity>
long, visibly nerved; staminodes present;
<emphasis id="09BA6D7DB22C93008C6764CCFB5FFF69" bold="true" box="[1118,1183,196,221]" pageId="3" pageNumber="48">fruits</emphasis>
1.0–1.9 × 1.0–
<quantity id="FC361C8AB22C93008D6F64CCFA67FF69" box="[1366,1447,196,221]" metricMagnitude="-2" metricUnit="m" metricValue="1.8" pageId="3" pageNumber="48" unit="cm" value="1.8">1.8 cm</quantity>
, rounded, with smooth epicarp, yellow when mature, but covered with dense dark brown tomentum when immature, mesocarp fleshy, pale yellow, aromatic, and it adheres to the endocarp; endocarp 7.2–8.7 ×
<quantity id="FC361C8AB22C93008C996504FAEBFE91" box="[1184,1323,268,293]" metricMagnitude="-3" metricUnit="m" metricValue="6.1" metricValueMax="6.4" metricValueMin="5.8" pageId="3" pageNumber="48" unit="mm" value="6.1" valueMax="6.4" valueMin="5.8">5.8–6.4 mm</quantity>
, hard, dark brown; seeds 1–3.
</paragraph>
<caption id="6FB1E1E7B22D930188B162B7FD5CF8F4" ID-DOI="http://doi.org/10.5281/zenodo.13700707" ID-Zenodo-Dep="13700707" httpUri="https://zenodo.org/record/13700707/files/figure.png" pageId="2" pageNumber="47" startId="2.[136,229,1727,1748]" targetBox="[235,1346,208,1689]" targetPageId="2" targetType="figure">
<paragraph id="3B71B16FB22D930188B162B7FD5CF8F4" blockId="2.[136,1452,1727,1856]" pageId="2" pageNumber="47">
<emphasis id="09BA6D7DB22D930188B162B7FEC0F960" bold="true" box="[136,256,1727,1748]" pageId="2" pageNumber="47">FIGURE 1.</emphasis>
<taxonomicName id="FCCECAECB22D9301893162B7FE3EF960" box="[264,510,1727,1748]" class="Liliopsida" family="Arecaceae" genus="Acrocomia" kingdom="Plantae" order="Arecales" pageId="2" pageNumber="47" phylum="Tracheophyta" rank="species" species="corumbaensis">
<emphasis id="09BA6D7DB22D9301893162B7FE3EF960" box="[264,510,1727,1748]" italics="true" pageId="2" pageNumber="47">Acrocomia corumbaensis</emphasis>
</taxonomicName>
. A. Habit. B. Leaf. C. Leaf rachis. D. Rachilla. E. Pistillate flowers. F. Longitudinal section of pistillate flower. G. Staminate flowers. H. Staminate flower closed. I. Staminate flower open. J. Cross section of the anther. K. Pistillode. L. Staminate flower floral diagram. M. Pistillate flower floral diagram. N. Infrutescence. O. Young fruit with many trichomes. P. Mature fruit. Q. Cross section of the mature fruit. R. Endocarp.
</paragraph>
</caption>
<caption id="6FB1E1E7B22C930088B1633CFE19F8D9" ID-DOI="http://doi.org/10.5281/zenodo.13700709" ID-Zenodo-Dep="13700709" httpUri="https://zenodo.org/record/13700709/files/figure.png" pageId="3" pageNumber="48" startId="3.[136,229,1844,1865]" targetBox="[176,1414,353,1817]" targetPageId="3" targetType="figure">
<paragraph id="3B71B16FB22C930088B1633CFE19F8D9" blockId="3.[136,1451,1844,1901]" pageId="3" pageNumber="48">
<emphasis id="09BA6D7DB22C930088B1633CFF3CF8FD" bold="true" box="[136,252,1844,1865]" pageId="3" pageNumber="48">FIGURE 2.</emphasis>
<taxonomicName id="FCCECAECB22C93008939633CFE32F8FD" box="[256,498,1844,1865]" class="Liliopsida" family="Arecaceae" genus="Acrocomia" kingdom="Plantae" order="Arecales" pageId="3" pageNumber="48" phylum="Tracheophyta" rank="species" species="corumbaensis">
<emphasis id="09BA6D7DB22C93008939633CFE32F8FD" box="[256,498,1844,1865]" italics="true" pageId="3" pageNumber="48">Acrocomia corumbaensis</emphasis>
</taxonomicName>
. A. Habit. B. Young light yellow inflorescence. C. Mature light green inflorescence. D. Infrutescence with young fruits. E. Mature fruits.
</paragraph>
</caption>
<caption id="6FB1E1E7B22B930788B16793FA92FC60" ID-DOI="http://doi.org/10.5281/zenodo.13700711" ID-Zenodo-Dep="13700711" httpUri="https://zenodo.org/record/13700711/files/figure.png" pageId="4" pageNumber="49" startId="4.[136,229,923,944]" targetBox="[151,1436,220,857]" targetPageId="4" targetType="figure">
<paragraph id="3B71B16FB22B930788B16793FA92FC60" blockId="4.[136,1451,923,980]" pageId="4" pageNumber="49">
<emphasis id="09BA6D7DB22B930788B16793FF3FFC04" bold="true" box="[136,255,923,944]" pageId="4" pageNumber="49">FIGURE 3.</emphasis>
Leaflet blade cross section of
<taxonomicName id="FCCECAECB22B93078A136793FCDEFC04" box="[554,798,923,944]" class="Liliopsida" family="Arecaceae" genus="Acrocomia" kingdom="Plantae" order="Arecales" pageId="4" pageNumber="49" phylum="Tracheophyta" rank="species" species="corumbaensis">
<emphasis id="09BA6D7DB22B93078A136793FCDEFC04" box="[554,798,923,944]" italics="true" pageId="4" pageNumber="49">Acrocomia corumbaensis</emphasis>
</taxonomicName>
:
<emphasis id="09BA6D7DB22B93078B156793FC84FC04" bold="true" box="[812,836,923,944]" pageId="4" pageNumber="49">ep</emphasis>
epidermis,
<emphasis id="09BA6D7DB22B93078B8E6793FC10FC04" bold="true" box="[951,976,923,944]" pageId="4" pageNumber="49">hy</emphasis>
hypodermis,
<emphasis id="09BA6D7DB22B93078C6C6793FB44FC04" bold="true" box="[1109,1156,923,944]" pageId="4" pageNumber="49">nvfb</emphasis>
non-vascular fiber bundles,
<emphasis id="09BA6D7DB22B93078DA36793FA6BFC04" bold="true" box="[1434,1451,923,944]" pageId="4" pageNumber="49">st</emphasis>
stomata,
<emphasis id="09BA6D7DB22B930788E667B7FEC6FC60" bold="true" box="[223,262,959,980]" pageId="4" pageNumber="49">pvb</emphasis>
principal vascular bundle,
<emphasis id="09BA6D7DB22B93078A3367B7FDDBFC60" bold="true" box="[522,539,959,980]" pageId="4" pageNumber="49">sf</emphasis>
sclerenchymatic fiber,
<emphasis id="09BA6D7DB22B93078AC567B7FCDFFC60" bold="true" box="[764,799,959,980]" pageId="4" pageNumber="49">svb</emphasis>
secondary vascular bundle and
<emphasis id="09BA6D7DB22B93078C6867B7FBB2FC60" bold="true" box="[1105,1138,959,980]" pageId="4" pageNumber="49">idb</emphasis>
idioblast. Bar 200 μm.
</paragraph>
</caption>
<caption id="6FB1E1E7B22B930788B16316FAEFF8CF" ID-DOI="http://doi.org/10.5281/zenodo.13700713" ID-Zenodo-Dep="13700713" httpUri="https://zenodo.org/record/13700713/files/figure.png" pageId="4" pageNumber="49" startId="4.[136,229,1822,1843]" targetBox="[153,1436,1042,1797]" targetPageId="4" targetType="figure">
<paragraph id="3B71B16FB22B930788B16316FAEFF8CF" blockId="4.[136,1453,1822,1915]" pageId="4" pageNumber="49">
<emphasis id="09BA6D7DB22B930788B16316FF3DF887" bold="true" box="[136,253,1822,1843]" pageId="4" pageNumber="49">FIGURE 4.</emphasis>
Scanning electron micrograph of leaflet blades in
<taxonomicName id="FCCECAECB22B93078AE66316FC12F887" box="[735,978,1822,1843]" class="Liliopsida" family="Arecaceae" genus="Acrocomia" kingdom="Plantae" order="Arecales" pageId="4" pageNumber="49" phylum="Tracheophyta" rank="species" species="corumbaensis">
<emphasis id="09BA6D7DB22B93078AE66316FC12F887" box="[735,978,1822,1843]" italics="true" pageId="4" pageNumber="49">Acrocomia corumbaensis</emphasis>
</taxonomicName>
: A. Non-vascular fiber bundles with stegmata. B. Detail of stegmatas. C. Detail of a silica body with a spiculate surface. D. Epicuticular patterns of wax deposition on the adaxial surface. E. Epicuticular patterns of wax deposition on the abaxial surface. F. Midrib. Bar 10 μm (A, B, D, E); 1 μm (C); 200 μm (F).
</paragraph>
</caption>
<caption id="6FB1E1E7B22A930688B1631BFC7AF8F8" ID-DOI="http://doi.org/10.5281/zenodo.13700715" ID-Zenodo-Dep="13700715" httpUri="https://zenodo.org/record/13700715/files/figure.png" pageId="5" pageNumber="50" startId="5.[136,229,1811,1832]" targetBox="[297,1272,187,1773]" targetPageId="5" targetType="figure">
<paragraph id="3B71B16FB22A930688B1631BFC7AF8F8" blockId="5.[136,1451,1811,1868]" pageId="5" pageNumber="50">
<emphasis id="09BA6D7DB22A930688B1631BFF3DF89C" bold="true" box="[136,253,1811,1832]" pageId="5" pageNumber="50">FIGURE 5.</emphasis>
Graphic representation of the distribution of structures and tissues:
<emphasis id="09BA6D7DB22A93068BBE631BFC64F89C" bold="true" box="[903,932,1811,1832]" pageId="5" pageNumber="50">Aa</emphasis>
<taxonomicName id="FCCECAECB22A93068B93631BFB52F89C" authority=", Ac" authorityName="Ac" box="[938,1170,1811,1832]" class="Liliopsida" family="Arecaceae" genus="Acrocomia" kingdom="Plantae" order="Arecales" pageId="5" pageNumber="50" phylum="Tracheophyta" rank="species" species="aculeata">
<emphasis id="09BA6D7DB22A93068B93631BFBABF89C" box="[938,1131,1811,1832]" italics="true" pageId="5" pageNumber="50">Acrocomia aculeata</emphasis>
,
<emphasis id="09BA6D7DB22A93068C4F631BFB52F89C" bold="true" box="[1142,1170,1811,1832]" pageId="5" pageNumber="50">Ac</emphasis>
</taxonomicName>
<taxonomicName id="FCCECAECB22A93068CA1631BFAD6F89C" authority=", Ae" authorityName="Ae" box="[1176,1302,1811,1832]" class="Liliopsida" family="Arecaceae" genus="Acrocomia" kingdom="Plantae" order="Arecales" pageId="5" pageNumber="50" phylum="Tracheophyta" rank="species" species="crispa">
<emphasis id="09BA6D7DB22A93068CA1631BFB2EF89C" box="[1176,1262,1811,1832]" italics="true" pageId="5" pageNumber="50">A. crispa</emphasis>
,
<emphasis id="09BA6D7DB22A93068CC3631BFAD6F89C" bold="true" box="[1274,1302,1811,1832]" pageId="5" pageNumber="50">Ae</emphasis>
</taxonomicName>
<taxonomicName id="FCCECAECB22A93068D25631BFA6BF89C" authority=", Ag" authorityName="Ag" box="[1308,1451,1811,1832]" class="Liliopsida" family="Arecaceae" genus="Acrocomia" kingdom="Plantae" order="Arecales" pageId="5" pageNumber="50" phylum="Tracheophyta" rank="species" species="emensis">
<emphasis id="09BA6D7DB22A93068D25631BFA42F89C" box="[1308,1410,1811,1832]" italics="true" pageId="5" pageNumber="50">A. emensis</emphasis>
,
<emphasis id="09BA6D7DB22A93068DB7631BFA6BF89C" bold="true" box="[1422,1451,1811,1832]" pageId="5" pageNumber="50">Ag</emphasis>
</taxonomicName>
<taxonomicName id="FCCECAECB22A930688B1633FFE82F8F8" authority=", Ah" authorityName="Ah" box="[136,322,1847,1868]" class="Liliopsida" family="Arecaceae" genus="Acrocomia" kingdom="Plantae" order="Arecales" pageId="5" pageNumber="50" phylum="Tracheophyta" rank="species" species="glaucescens">
<emphasis id="09BA6D7DB22A930688B1633FFED7F8F8" box="[136,279,1847,1868]" italics="true" pageId="5" pageNumber="50">A. glaucescens</emphasis>
,
<emphasis id="09BA6D7DB22A9306891A633FFE82F8F8" bold="true" box="[291,322,1847,1868]" pageId="5" pageNumber="50">Ah</emphasis>
</taxonomicName>
<taxonomicName id="FCCECAECB22A9306897E633FFE12F8F8" authority=", Ai" authorityName="Ai" box="[327,466,1847,1868]" class="Liliopsida" family="Arecaceae" genus="Acrocomia" kingdom="Plantae" order="Arecales" pageId="5" pageNumber="50" phylum="Tracheophyta" rank="species" species="hassleri">
<emphasis id="09BA6D7DB22A9306897E633FFE6EF8F8" box="[327,430,1847,1868]" italics="true" pageId="5" pageNumber="50">A. hassleri</emphasis>
,
<emphasis id="09BA6D7DB22A93068983633FFE12F8F8" bold="true" box="[442,466,1847,1868]" pageId="5" pageNumber="50">Ai</emphasis>
</taxonomicName>
<taxonomicName id="FCCECAECB22A930689E1633FFD4DF8F8" authority=", At" authorityName="At" box="[472,653,1847,1868]" class="Liliopsida" family="Arecaceae" genus="Acrocomia" kingdom="Plantae" order="Arecales" pageId="5" pageNumber="50" phylum="Tracheophyta" rank="species" species="intumescens">
<emphasis id="09BA6D7DB22A930689E1633FFDA8F8F8" box="[472,616,1847,1868]" italics="true" pageId="5" pageNumber="50">A. intumescens</emphasis>
,
<emphasis id="09BA6D7DB22A93068A4D633FFD4DF8F8" bold="true" box="[628,653,1847,1868]" pageId="5" pageNumber="50">At</emphasis>
</taxonomicName>
<taxonomicName id="FCCECAECB22A93068AAA633FFCCEF8F8" authority=", Aco" authorityName="Aco" box="[659,782,1847,1868]" class="Liliopsida" family="Arecaceae" genus="Acrocomia" kingdom="Plantae" order="Arecales" pageId="5" pageNumber="50" phylum="Tracheophyta" rank="species" species="totai">
<emphasis id="09BA6D7DB22A93068AAA633FFD1AF8F8" box="[659,730,1847,1868]" italics="true" pageId="5" pageNumber="50">A. totai</emphasis>
,
<emphasis id="09BA6D7DB22A93068ADF633FFCCEF8F8" bold="true" box="[742,782,1847,1868]" pageId="5" pageNumber="50">Aco</emphasis>
</taxonomicName>
<taxonomicName id="FCCECAECB22A93068B2D633FFC74F8F8" box="[788,948,1847,1868]" class="Liliopsida" family="Arecaceae" genus="Acrocomia" kingdom="Plantae" order="Arecales" pageId="5" pageNumber="50" phylum="Tracheophyta" rank="species" species="corumbaensis">
<emphasis id="09BA6D7DB22A93068B2D633FFC74F8F8" box="[788,948,1847,1868]" italics="true" pageId="5" pageNumber="50">A. corumbaensis</emphasis>
</taxonomicName>
.
</paragraph>
</caption>
<paragraph id="3B71B16FB22A930588846374FF10FD61" blockId="5.[136,1452,1916,2085]" lastBlockId="6.[136,1452,160,1697]" lastPageId="6" lastPageNumber="51" pageId="5" pageNumber="50">
<emphasis id="09BA6D7DB22A930688846374FE91F821" bold="true" box="[189,337,1916,1941]" pageId="5" pageNumber="50">Anatomy:—</emphasis>
The epidermis occurs either on the adaxial as on the abaxial surface, in frontal view, unistratified, with hexagonal cells; anticlinal straight thickened walls and covered with cuticle. Immediately under the epidermis on both surfaces, the hypodermis is observed with a single layer of cells larger than the epidermis, without wall thickening, normally without chloroplasts, with the longer cells forming a right angle with the longer epidermal cells. Within the mesophyll, the vascular bundles can be divided into main, secondary and tertiary bundles. These are totally or partially surrounded by one or more layers of sclerenchymatic fibers and these, in turn, are enveloped by a layer of parenchymatic cells. The secondary vascular bundles are surrounded by a parenchymatic sheath and rarely also by a sclerenchymatic one (
<figureCitation id="A3F5ADEAB2299305894764E0FE03FEB5" box="[382,451,232,257]" captionStart="FIGURE 3" captionStartId="4.[136,229,923,944]" captionTargetBox="[151,1436,220,857]" captionTargetId="figure-17@4.[151,1436,206,898]" captionTargetPageId="4" captionText="FIGURE 3. Leaflet blade cross section of Acrocomia corumbaensis: ep epidermis, hy hypodermis, nvfb non-vascular fiber bundles, st stomata, pvb principal vascular bundle, sf sclerenchymatic fiber, svb secondary vascular bundle and idb idioblast. Bar 200 μm." figureDoi="http://doi.org/10.5281/zenodo.13700711" httpUri="https://zenodo.org/record/13700711/files/figure.png" pageId="6" pageNumber="51">Fig. 3</figureCitation>
). Non-vascular fiber bundles with various sizes can be observed randomly distributed in the mesophyll. Under the Scanning Electron Microscope (SEM) we observed the presence of stegmata stegmata—silica bodies presenting thickened, rounded walls, with wider base and with a central concavity—occurring in continuous or discontinuous rows associated with non-vascular fiber bundles, each containing a globular silica body, with a spiculate surface similar to a druse (
<figureCitation id="A3F5ADEAB22993058A2F6570FD55FE25" box="[534,661,376,401]" captionStart="FIGURE 4" captionStartId="4.[136,229,1822,1843]" captionTargetBox="[153,1436,1042,1797]" captionTargetId="figure-57@4.[151,1436,1042,1797]" captionTargetPageId="4" captionText="FIGURE 4. Scanning electron micrograph of leaflet blades in Acrocomia corumbaensis: A. Non-vascular fiber bundles with stegmata. B. Detail of stegmatas. C. Detail of a silica body with a spiculate surface. D. Epicuticular patterns of wax deposition on the adaxial surface. E. Epicuticular patterns of wax deposition on the abaxial surface. F. Midrib. Bar 10 μm (A, B, D, E); 1 μm (C); 200 μm (F)." figureDoi="http://doi.org/10.5281/zenodo.13700713" httpUri="https://zenodo.org/record/13700713/files/figure.png" pageId="6" pageNumber="51">Fig. 4 A–C</figureCitation>
). Under the SEM, we observed that both surfaces of the leaflets present an epicuticular wax covering. On the adaxial surface, the wax deposition pattern is in the form of grooves and on the abaxial surface in the form of cylindric polygonal projections and wires (
<figureCitation id="A3F5ADEAB22993058BF465C8FB92FE6D" box="[973,1106,448,473]" captionStart="FIGURE 4" captionStartId="4.[136,229,1822,1843]" captionTargetBox="[153,1436,1042,1797]" captionTargetId="figure-57@4.[151,1436,1042,1797]" captionTargetPageId="4" captionText="FIGURE 4. Scanning electron micrograph of leaflet blades in Acrocomia corumbaensis: A. Non-vascular fiber bundles with stegmata. B. Detail of stegmatas. C. Detail of a silica body with a spiculate surface. D. Epicuticular patterns of wax deposition on the adaxial surface. E. Epicuticular patterns of wax deposition on the abaxial surface. F. Midrib. Bar 10 μm (A, B, D, E); 1 μm (C); 200 μm (F)." figureDoi="http://doi.org/10.5281/zenodo.13700713" httpUri="https://zenodo.org/record/13700713/files/figure.png" pageId="6" pageNumber="51">Fig. 4 D–E</figureCitation>
). The midrib, in cross section, is more prominent on the abaxial surface; within are found several randomly distributed vascular bundles, some of them are individually enclosed by 2 to 5 layers of sclerenchymatic fibers and the set of these bundles is surrounded by more than 15 layers of sclerenchymatic fibers. Between the vascular bundles occur thickened, lignified parenchymatic cells. The cortex is composed of rounded parenchymatic cells, several non-vascular fiber bundles and idioblasts were observed. (
<figureCitation id="A3F5ADEAB2299305893D667CFEA0FD39" box="[260,352,628,653]" captionStart="FIGURE 4" captionStartId="4.[136,229,1822,1843]" captionTargetBox="[153,1436,1042,1797]" captionTargetId="figure-57@4.[151,1436,1042,1797]" captionTargetPageId="4" captionText="FIGURE 4. Scanning electron micrograph of leaflet blades in Acrocomia corumbaensis: A. Non-vascular fiber bundles with stegmata. B. Detail of stegmatas. C. Detail of a silica body with a spiculate surface. D. Epicuticular patterns of wax deposition on the adaxial surface. E. Epicuticular patterns of wax deposition on the abaxial surface. F. Midrib. Bar 10 μm (A, B, D, E); 1 μm (C); 200 μm (F)." figureDoi="http://doi.org/10.5281/zenodo.13700713" httpUri="https://zenodo.org/record/13700713/files/figure.png" pageId="6" pageNumber="51">Fig. 4 F</figureCitation>
). At the boundary of the mesophyll with the midrib, subjacent to the abaxial epidermis, occur 2 or 3 layers of parenchymatic cells in the palisade with thickened walls, called expansion tissue in palms (
<bibRefCitation id="5F5FCC9EB22993058CCC6690FF04FD61" author="Tomlinson, P. B. &amp; Horn, J. W. &amp; Fisher, J. B." pageId="6" pageNumber="51" refId="ref5694" refString="Tomlinson, P. B., Horn, J. W. &amp; Fisher, J. B. (2011) The Anatomy of palms. Oxford University Press, 251 pp. https: // doi. org / 10.1093 / acprof: osobl / 9780199558926.001.0001" type="book" year="2011">
Tomlinson
<emphasis id="09BA6D7DB22993058D4D6690FA65FD05" box="[1396,1445,664,689]" italics="true" pageId="6" pageNumber="51">et al</emphasis>
. 2011
</bibRefCitation>
).
</paragraph>
<paragraph id="3B71B16FB2299305888466E8FB7DFC3D" blockId="6.[136,1452,160,1697]" pageId="6" pageNumber="51">
Analyzing the leaf anatomy of the new species together with the anatomy of all species of
<taxonomicName id="FCCECAECB22993058C8F66E8FF31FCA9" authority="(Vianna et al. 2017)" baseAuthorityName="Vianna" baseAuthorityYear="2017" class="Liliopsida" family="Arecaceae" genus="Acrocomia" kingdom="Plantae" order="Arecales" pageId="6" pageNumber="51" phylum="Tracheophyta" rank="genus">
<emphasis id="09BA6D7DB22993058C8F66E8FAF0FD4D" box="[1206,1328,736,761]" italics="true" pageId="6" pageNumber="51">Acrocomia</emphasis>
(
<bibRefCitation id="5F5FCC9EB22993058D0666E8FF29FCA9" author="Vianna, S. A. &amp; Carmello-Guerreiro, S. &amp; Noblick, L. R. &amp; Colombo, C. A." pageId="6" pageNumber="51" pagination="233 - 248" refId="ref5894" refString="Vianna, S. A., Carmello-Guerreiro, S. M, Noblick, L. R. &amp; Colombo, C. A. (2017) Leaf anatomy of Acrocomia (Arecaceae): an additional contribution to the taxonomic resolution of a genus with great economic potential. Plant Systematics and Evolution 303: 233 - 248. https: // doi. org / 10.1007 / s 00606 - 016 - 1369 - 4" type="journal article" year="2017">
Vianna
<emphasis id="09BA6D7DB22993058DAE66E8FF5EFCA9" italics="true" pageId="6" pageNumber="51">et al</emphasis>
. 2017
</bibRefCitation>
)
</taxonomicName>
, we find diagnostic characters for the genus that demonstrates that this species belongs to
<taxonomicName id="FCCECAECB22993058CD6670CFAA9FCA9" box="[1263,1385,772,797]" class="Liliopsida" family="Arecaceae" genus="Acrocomia" kingdom="Plantae" order="Arecales" pageId="6" pageNumber="51" phylum="Tracheophyta" rank="genus">
<emphasis id="09BA6D7DB22993058CD6670CFAA9FCA9" box="[1263,1385,772,797]" italics="true" pageId="6" pageNumber="51">Acrocomia</emphasis>
</taxonomicName>
, such as the presence of epidermis and hypodermis on both surfaces of the leaflets covered with a cuticle, presence of non-vascular fiber bundles, main and secondary vascular bundles, and idioblasts with raphides. Nonetheless, the number, size and distribution of these structures allow us to distinguish
<taxonomicName id="FCCECAECB22993058B706778FBC4FC3D" box="[841,1028,880,905]" class="Liliopsida" family="Arecaceae" genus="Acrocomia" kingdom="Plantae" order="Arecales" pageId="6" pageNumber="51" phylum="Tracheophyta" rank="species" species="corumbaensis">
<emphasis id="09BA6D7DB22993058B706778FBC4FC3D" box="[841,1028,880,905]" italics="true" pageId="6" pageNumber="51">A. corumbaensis</emphasis>
</taxonomicName>
from the others.
</paragraph>
<paragraph id="3B71B16FB22993058884679CFB3EFB45" blockId="6.[136,1452,160,1697]" pageId="6" pageNumber="51">
Like the arborescent species
<taxonomicName id="FCCECAECB229930589C5679CFDBAFC19" box="[508,634,916,941]" class="Liliopsida" family="Arecaceae" genus="Acrocomia" kingdom="Plantae" order="Arecales" pageId="6" pageNumber="51" phylum="Tracheophyta" rank="species" species="aculeata">
<emphasis id="09BA6D7DB229930589C5679CFDBAFC19" box="[508,634,916,941]" italics="true" pageId="6" pageNumber="51">A. aculeata</emphasis>
</taxonomicName>
,
<taxonomicName id="FCCECAECB22993058ABE679CFD2BFC19" box="[647,747,916,941]" class="Liliopsida" family="Arecaceae" genus="Acrocomia" kingdom="Plantae" order="Arecales" pageId="6" pageNumber="51" phylum="Tracheophyta" rank="species" species="crispa">
<emphasis id="09BA6D7DB22993058ABE679CFD2BFC19" box="[647,747,916,941]" italics="true" pageId="6" pageNumber="51">A. crispa</emphasis>
</taxonomicName>
,
<taxonomicName id="FCCECAECB22993058AC1679CFC5FFC19" box="[760,927,916,941]" class="Liliopsida" family="Arecaceae" genus="Acrocomia" kingdom="Plantae" order="Arecales" pageId="6" pageNumber="51" phylum="Tracheophyta" rank="species" species="intumescens">
<emphasis id="09BA6D7DB22993058AC1679CFC5FFC19" box="[760,927,916,941]" italics="true" pageId="6" pageNumber="51">A. intumescens</emphasis>
</taxonomicName>
and
<taxonomicName id="FCCECAECB22993058BEA679CFBE4FC19" box="[979,1060,916,941]" class="Liliopsida" family="Arecaceae" genus="Acrocomia" kingdom="Plantae" order="Arecales" pageId="6" pageNumber="51" phylum="Tracheophyta" rank="species" species="totai">
<emphasis id="09BA6D7DB22993058BEA679CFBE4FC19" box="[979,1060,916,941]" italics="true" pageId="6" pageNumber="51">A. totai</emphasis>
</taxonomicName>
, the new species,
<taxonomicName id="FCCECAECB22993058CD2679CFA65FC19" box="[1259,1445,916,941]" class="Liliopsida" family="Arecaceae" genus="Acrocomia" kingdom="Plantae" order="Arecales" pageId="6" pageNumber="51" phylum="Tracheophyta" rank="species" species="corumbaensis">
<emphasis id="09BA6D7DB22993058CD2679CFA65FC19" box="[1259,1445,916,941]" italics="true" pageId="6" pageNumber="51">A. corumbaensis</emphasis>
</taxonomicName>
, has leaflets with dorsiventral symmetry, with 3 to 5 layers of parenchymatic cells more elongated close to the adaxial surface and 5 to 8 layers of rounded parenchymatic cells closer to the abaxial surface. However, similar to the acaulescent species
<taxonomicName id="FCCECAECB229930588DA6008FE9FFBAD" box="[227,351,1024,1049]" class="Liliopsida" family="Arecaceae" genus="Acrocomia" kingdom="Plantae" order="Arecales" pageId="6" pageNumber="51" phylum="Tracheophyta" rank="species" species="hassleri">
<emphasis id="09BA6D7DB229930588DA6008FE9FFBAD" box="[227,351,1024,1049]" italics="true" pageId="6" pageNumber="51">A. hassleri</emphasis>
</taxonomicName>
and
<taxonomicName id="FCCECAECB229930589A56008FDD7FBAD" box="[412,535,1024,1049]" class="Liliopsida" family="Arecaceae" genus="Acrocomia" kingdom="Plantae" order="Arecales" pageId="6" pageNumber="51" phylum="Tracheophyta" rank="species" species="emensis">
<emphasis id="09BA6D7DB229930589A56008FDD7FBAD" box="[412,535,1024,1049]" italics="true" pageId="6" pageNumber="51">A. emensis</emphasis>
</taxonomicName>
and the small sized
<taxonomicName id="FCCECAECB22993058B326008FC75FBAD" box="[779,949,1024,1049]" class="Liliopsida" family="Arecaceae" genus="Acrocomia" kingdom="Plantae" order="Arecales" pageId="6" pageNumber="51" phylum="Tracheophyta" rank="species" species="glaucescens">
<emphasis id="09BA6D7DB22993058B326008FC75FBAD" box="[779,949,1024,1049]" italics="true" pageId="6" pageNumber="51">A. glaucescens</emphasis>
</taxonomicName>
, the new species
<taxonomicName id="FCCECAECB22993058CBE6008FA86FBAD" box="[1159,1350,1024,1049]" class="Liliopsida" family="Arecaceae" genus="Acrocomia" kingdom="Plantae" order="Arecales" pageId="6" pageNumber="51" phylum="Tracheophyta" rank="species" species="corumbaensis">
<emphasis id="09BA6D7DB22993058CBE6008FA86FBAD" box="[1159,1350,1024,1049]" italics="true" pageId="6" pageNumber="51">A. corumbaensis</emphasis>
</taxonomicName>
presents amphistomatic leaflets—occurrence of stomata on both surfaces—being more numerous on the abaxial surface and with non-vascular fiber bundles randomly distributed all over the mesophyll. Also, like the arborescent species, it presents a lower number of idioblasts with raphides covered with a mucilaginous material (0.35 ± 0.50) compared with the acaulescent species.
<taxonomicName id="FCCECAECB229930589AD6098FD70FB1D" box="[404,688,1168,1193]" class="Liliopsida" family="Arecaceae" genus="Acrocomia" kingdom="Plantae" order="Arecales" pageId="6" pageNumber="51" phylum="Tracheophyta" rank="species" species="corumbaensis">
<emphasis id="09BA6D7DB229930589AD6098FD70FB1D" box="[404,688,1168,1193]" italics="true" pageId="6" pageNumber="51">Acrocomia corumbaensis</emphasis>
</taxonomicName>
has the thickest mesophyll (186.00 ± 13.92 μm), and differs from the other species of
<taxonomicName id="FCCECAECB2299305890660BCFE79FB79" box="[319,441,1204,1229]" class="Liliopsida" family="Arecaceae" genus="Acrocomia" kingdom="Plantae" order="Arecales" pageId="6" pageNumber="51" phylum="Tracheophyta" rank="genus">
<emphasis id="09BA6D7DB2299305890660BCFE79FB79" box="[319,441,1204,1229]" italics="true" pageId="6" pageNumber="51">Acrocomia</emphasis>
</taxonomicName>
in the number of main vascular bundles, length of the main vascular bundles, thickness of the sclerenchymatic sheath of the main vascular bundles and other anatomical characteristics (
<tableCitation id="764C84D4B22993058C9E60D0FB31FB45" box="[1191,1265,1240,1265]" captionStart="TABLE 2" captionStartId="7.[135,226,630,654]" captionTargetPageId="7" captionText="TABLE 2. Mean and standard deviation of 19 characters of the leaf anatomy of the species studied in Acrocomia." pageId="6" pageNumber="51">Tab. 2</tableCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="73D4E2E4B2299305888460F4FCC4FAE9" pageId="6" pageNumber="51" type="distribution">
<paragraph id="3B71B16FB2299305888460F4FCC4FAE9" blockId="6.[136,1452,160,1697]" pageId="6" pageNumber="51">
<emphasis id="09BA6D7DB2299305888460F4FDC7FAA1" bold="true" box="[189,519,1276,1301]" pageId="6" pageNumber="51">Distribution and habitat:—</emphasis>
<taxonomicName id="FCCECAECB22993058A3160F4FCE5FAA1" box="[520,805,1276,1301]" class="Liliopsida" family="Arecaceae" genus="Acrocomia" kingdom="Plantae" order="Arecales" pageId="6" pageNumber="51" phylum="Tracheophyta" rank="species" species="corumbaensis">
<emphasis id="09BA6D7DB22993058A3160F4FCE5FAA1" box="[520,805,1276,1301]" italics="true" pageId="6" pageNumber="51">Acrocomia corumbaensis</emphasis>
</taxonomicName>
is known from Corumbá, a municipality in
<collectingRegion id="F90A7F8DB22993058D2060F4FF12FA8D" country="Brazil" name="Mato Grosso do Sul" pageId="6" pageNumber="51">Mato Grosso do Sul</collectingRegion>
,
<collectingCountry id="43D9F1FFB229930588E46128FEE5FA8D" box="[221,293,1312,1337]" name="Brazil" pageId="6" pageNumber="51">Brazil</collectingCountry>
. It is found on the western border of the Pantanal, in highly exposed open areas, growing in well-drained soils and with typical secondary of dry forest vegetation.
</paragraph>
</subSubSection>
<subSubSection id="73D4E2E4B229930588846160FF19FA7D" pageId="6" pageNumber="51" type="etymology">
<paragraph id="3B71B16FB229930588846160FF19FA7D" blockId="6.[136,1452,160,1697]" pageId="6" pageNumber="51">
<emphasis id="09BA6D7DB229930588846160FEA4FA35" bold="true" box="[189,356,1384,1409]" pageId="6" pageNumber="51">Etymology:—</emphasis>
The species is locally called “bocaiuvinha”, due to its small size fruits when compared to
<taxonomicName id="FCCECAECB22993058D0B6160FF28FA11" class="Liliopsida" family="Arecaceae" genus="Acrocomia" kingdom="Plantae" order="Arecales" pageId="6" pageNumber="51" phylum="Tracheophyta" rank="species" species="aculeata">
<emphasis id="09BA6D7DB22993058D0B6160FF28FA11" italics="true" pageId="6" pageNumber="51">Acrocomia aculeata</emphasis>
</taxonomicName>
, known as “bocaiúva”. The specific epithet is named to honor the municipality of Corumbá where this species occurs.
</paragraph>
</subSubSection>
<subSubSection id="73D4E2E4B2299305888461DCFA64F915" pageId="6" pageNumber="51" type="discussion">
<paragraph id="3B71B16FB2299305888461DCFA64F915" blockId="6.[136,1452,160,1697]" pageId="6" pageNumber="51">
<emphasis id="09BA6D7DB2299305888461DCFEB7FA59" bold="true" box="[189,375,1492,1517]" pageId="6" pageNumber="51">Comparison:—</emphasis>
The new species differs from other arborescent
<taxonomicName id="FCCECAECB22993058BB461DCFB9EFA59" box="[909,1118,1492,1517]" pageId="6" pageNumber="51">
<emphasis id="09BA6D7DB22993058BB461DCFBC7FA59" box="[909,1031,1492,1517]" italics="true" pageId="6" pageNumber="51">Acrocomia</emphasis>
species
</taxonomicName>
(
<taxonomicName id="FCCECAECB22993058C5661DCFB2EFA59" box="[1135,1262,1492,1517]" class="Liliopsida" family="Arecaceae" genus="Acrocomia" kingdom="Plantae" order="Arecales" pageId="6" pageNumber="51" phylum="Tracheophyta" rank="species" species="aculeata">
<emphasis id="09BA6D7DB22993058C5661DCFB2EFA59" box="[1135,1262,1492,1517]" italics="true" pageId="6" pageNumber="51">A. aculeata</emphasis>
</taxonomicName>
,
<taxonomicName id="FCCECAECB22993058CC561DCFA64FA59" box="[1276,1444,1492,1517]" class="Liliopsida" family="Arecaceae" genus="Acrocomia" kingdom="Plantae" order="Arecales" pageId="6" pageNumber="51" phylum="Tracheophyta" rank="species" species="intumescens">
<emphasis id="09BA6D7DB22993058CC561DCFA64FA59" box="[1276,1444,1492,1517]" italics="true" pageId="6" pageNumber="51">A. intumescens</emphasis>
</taxonomicName>
,
<taxonomicName id="FCCECAECB229930588B161F0FF31F9A5" box="[136,241,1528,1553]" class="Liliopsida" family="Arecaceae" genus="Acrocomia" kingdom="Plantae" order="Arecales" pageId="6" pageNumber="51" phylum="Tracheophyta" rank="species" species="crispa">
<emphasis id="09BA6D7DB229930588B161F0FF31F9A5" box="[136,241,1528,1553]" italics="true" pageId="6" pageNumber="51">A. crispa</emphasis>
</taxonomicName>
, and
<taxonomicName id="FCCECAECB2299305890F61F0FE4CF9A5" box="[310,396,1528,1553]" class="Liliopsida" family="Arecaceae" genus="Acrocomia" kingdom="Plantae" order="Arecales" pageId="6" pageNumber="51" phylum="Tracheophyta" rank="species" species="totai">
<emphasis id="09BA6D7DB2299305890F61F0FE4CF9A5" box="[310,396,1528,1553]" italics="true" pageId="6" pageNumber="51">A. totai</emphasis>
</taxonomicName>
), principally due to the color of its inflorescence and flowers, both of which are green at maturity instead of yellow like the others and due to the smaller size of its fruit, which is practically the same size as the endocarps of all of the other species (
<tableCitation id="764C84D4B22993058A426248FD03F9ED" box="[635,707,1600,1625]" captionStart="TABLE 1" captionStartId="6.[136,224,1745,1768]" captionTargetPageId="6" captionText="TABLE 1. Important character differences among the large arborescent Acrocomia." pageId="6" pageNumber="51">Tab. 1</tableCitation>
). The differences between the foliar anatomy of
<taxonomicName id="FCCECAECB22993058CC96248FA6CF9ED" box="[1264,1452,1600,1625]" class="Liliopsida" family="Arecaceae" genus="Acrocomia" kingdom="Plantae" order="Arecales" pageId="6" pageNumber="51" phylum="Tracheophyta" rank="species" species="corumbaensis">
<emphasis id="09BA6D7DB22993058CC96248FA6CF9ED" box="[1264,1452,1600,1625]" italics="true" pageId="6" pageNumber="51">A. corumbaensis</emphasis>
</taxonomicName>
in relation to the other species of the genus can be visualized in the graphic representation in
<figureCitation id="A3F5ADEAB22993058CE0626CFAFDF9C9" box="[1241,1341,1636,1661]" captionStart="FIGURE 5" captionStartId="5.[136,229,1811,1832]" captionTargetBox="[297,1272,187,1773]" captionTargetId="figure-12@5.[297,1291,175,1687]" captionTargetPageId="5" captionText="FIGURE 5. Graphic representation of the distribution of structures and tissues: Aa Acrocomia aculeata, Ac A. crispa, Ae A. emensis, Ag A. glaucescens, Ah A. hassleri, Ai A. intumescens, At A. totai, Aco A. corumbaensis." figureDoi="http://doi.org/10.5281/zenodo.13700715" httpUri="https://zenodo.org/record/13700715/files/figure.png" pageId="6" pageNumber="51">Figure 5</figureCitation>
. Detailed information about the differences in leaf anatomy of the other
<taxonomicName id="FCCECAECB22993058B7B6280FBD4F915" box="[834,1044,1672,1697]" pageId="6" pageNumber="51">
<emphasis id="09BA6D7DB22993058B7B6280FC7CF915" box="[834,956,1672,1697]" italics="true" pageId="6" pageNumber="51">Acrocomia</emphasis>
species
</taxonomicName>
is available in
<bibRefCitation id="5F5FCC9EB22993058C856280FA5FF915" author="Vianna, S. A. &amp; Carmello-Guerreiro, S. &amp; Noblick, L. R. &amp; Colombo, C. A." box="[1212,1439,1672,1697]" pageId="6" pageNumber="51" pagination="233 - 248" refId="ref5894" refString="Vianna, S. A., Carmello-Guerreiro, S. M, Noblick, L. R. &amp; Colombo, C. A. (2017) Leaf anatomy of Acrocomia (Arecaceae): an additional contribution to the taxonomic resolution of a genus with great economic potential. Plant Systematics and Evolution 303: 233 - 248. https: // doi. org / 10.1007 / s 00606 - 016 - 1369 - 4" type="journal article" year="2017">
Vianna
<emphasis id="09BA6D7DB22993058D2A6280FA8BF915" box="[1299,1355,1672,1697]" italics="true" pageId="6" pageNumber="51">et al.</emphasis>
(2017)
</bibRefCitation>
.
</paragraph>
</subSubSection>
</treatment>
</document>