154 lines
16 KiB
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154 lines
16 KiB
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<document ENCODING="UTF8" ID-CLB-Dataset="146621" ID-DOI="http://dx.doi.org/10.3897/phytokeys.207.61432" ID-GBIF-Dataset="b9c69748-4773-430c-b2ba-5660199d1295" ID-PMC="PMC9849070" ID-Pensoft-Pub="1314-2003-207-1" ID-Pensoft-UUID="29CD4EF8FB525DBAA022DF25CDB649C9" ID-PubMed="36760862" ModsDocID="1314-2003-207-1" checkinTime="1663699675791" checkinUser="pensoft" docAuthor="Couvreur, Thomas L. P., Dagallier, Leo-Paul M. J., Crozier, Francoise, Ghogue, Jean-Paul, Hoekstra, Paul H., Kamdem, Narcisse G., Johnson, David M., Murray, Nancy A. & Sonke, Bonaventure" docDate="2022" docId="016E5CFA6E4AD54C0E8ED7ABBCC8044E" docLanguage="en" docName="PhytoKeys 207: 1-532" docOrigin="PhytoKeys 207" docPubDate="2022-09-20" docSource="http://dx.doi.org/10.3897/phytokeys.207.61432" docTitle="Hexalobus A. DC., Mem. Soc. Phys. Geneve 5: 212 1832" docType="treatment" docVersion="8" id="29CD4EF8FB525DBAA022DF25CDB649C9" lastPageNumber="118" masterDocId="29CD4EF8FB525DBAA022DF25CDB649C9" masterDocTitle="Flora of Cameroon - Annonaceae Vol 45" masterLastPageNumber="532" masterPageNumber="1" pageNumber="118" updateTime="1732911779790" updateUser="ExternalLinkService">
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<mods:titleInfo id="924DD44B7A216B675DED767F496E616C">
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<mods:title id="636E9D8AB1A7F47AAE0B2158E105FB1B">Flora of Cameroon - Annonaceae Vol 45</mods:title>
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<mods:namePart id="BB451491E318D0B1344CABA91CD8204B">Couvreur, Thomas L. P.</mods:namePart>
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<mods:nameIdentifier id="24624E6330A47CF67DC901D333175C83" type="ORCID">https://orcid.org/0000-0002-8509-6587</mods:nameIdentifier>
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<mods:affiliation id="C0C363244C4264678C0590E4CD039E63">IRD, DIADE, Univ Montpellier, Montpellier, France & Universite de Yaounde I, Ecole Normale Superieure, Departement des Sciences Biologiques, Laboratoire de Botanique systematique et d'Ecologie, B. P. 047, Yaounde, Cameroon & Naturalis Biodiversity Center, Botany Section, Darwinweg 2, 2333 CR Leiden, Netherlands</mods:affiliation>
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<mods:nameIdentifier id="A7AD4B8DAE9B782BB0FBB618332DFEF8" type="email">thomas.couvreur@ird.fr</mods:nameIdentifier>
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<mods:namePart id="CBFF560459B81BC8EB4C3E38893C18B8">Dagallier, Leo-Paul M. J.</mods:namePart>
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<mods:affiliation id="425E606B18324B115009C49435081D26">IRD, DIADE, Univ Montpellier, Montpellier, France</mods:affiliation>
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<mods:namePart id="DDF6CB67D636CAD6A7DFFCAE5769C513">Crozier, Francoise</mods:namePart>
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<mods:affiliation id="4EE6F5EE2D621C040AD3E847FE70AC35">IRD, DIADE, Univ Montpellier, Montpellier, France</mods:affiliation>
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<mods:namePart id="6A49170C83806F3CABC67B95E6847356">Ghogue, Jean-Paul</mods:namePart>
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<mods:affiliation id="33062A971D4A2AABBADF695D4510EE7B">Universite de Yaounde I, Ecole Normale Superieure, Departement des Sciences Biologiques, Laboratoire de Botanique systematique et d'Ecologie, B. P. 047, Yaounde, Cameroon & Green Connexion, Environmental Group, siege face GP Melen, a cote de l'immeuble Palais des verres. Yaounde, Cameroun</mods:affiliation>
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<mods:namePart id="ACEC5749755A480B42B53976996AC28B">Hoekstra, Paul H.</mods:namePart>
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<mods:affiliation id="A2D1AF759376BD22A20E461B41D1374B">Naturalis Biodiversity Center, Botany Section, Darwinweg 2, 2333 CR Leiden, Netherlands</mods:affiliation>
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<mods:namePart id="257F20225E75A32E25BAFB9AC3771558">Kamdem, Narcisse G.</mods:namePart>
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<mods:affiliation id="400FA96D1E167A1DBE2905765F54AD54">Universite de Yaounde I, Ecole Normale Superieure, Departement des Sciences Biologiques, Laboratoire de Botanique systematique et d'Ecologie, B. P. 047, Yaounde, Cameroon</mods:affiliation>
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<mods:namePart id="C65C654178C1D33FF6B12C7D06171F54">Johnson, David M.</mods:namePart>
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<mods:nameIdentifier id="AFE8EB20847C36D11703D32D42ECD9E8" type="ORCID">https://orcid.org/0000-0003-2896-7419</mods:nameIdentifier>
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<mods:affiliation id="ADD5893C59FD9F7924A2CD89CC7FAD0A">Department of Botany-Microbiology, Ohio Wesleyan University, Delaware, OH, 43015, USA</mods:affiliation>
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<mods:name id="99CB4E5EDDC25BDD6F988B5DA5E164AA" type="personal">
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<mods:namePart id="4544F283DDC1B4ABFCCDD5355159B10C">Murray, Nancy A.</mods:namePart>
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<mods:affiliation id="E03FD06076EA1D808352BA66CDB88E82">Department of Botany-Microbiology, Ohio Wesleyan University, Delaware, OH, 43015, USA</mods:affiliation>
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<mods:namePart id="300D423686C1B578A8FB7A246D78F9AE">Sonke, Bonaventure</mods:namePart>
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<mods:affiliation id="0DE30481911B683FD20BA378323C4228">Universite de Yaounde I, Ecole Normale Superieure, Departement des Sciences Biologiques, Laboratoire de Botanique systematique et d'Ecologie, B. P. 047, Yaounde, Cameroon</mods:affiliation>
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<mods:title id="03A2A0D3E288407A35EE5B9355BFE24F">PhytoKeys</mods:title>
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<mods:date id="AF785D4B0246B3011658663E2D8801B7">2022</mods:date>
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<mods:number id="8849AFF722A026BAD8863202776E1C29">2022-09-20</mods:number>
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<mods:detail id="EC8E0DA79DA201504F90F6D487D456D9" type="volume">
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<mods:number id="865F47F8A87B19D08DA3E4EC54C3D949">207</mods:number>
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<mods:end id="5647A65636A3907850D4E4C47ACECA3C">532</mods:end>
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<mods:url id="8AA79D6229907695AD4EB8EDFC949F95">http://dx.doi.org/10.3897/phytokeys.207.61432</mods:url>
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<mods:classification id="680CA3A5EEDD18B82609EE97E5A29FE2">journal article</mods:classification>
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<mods:identifier id="DF2724F71D91AE19292328BC647CD6A6" type="DOI">http://dx.doi.org/10.3897/phytokeys.207.61432</mods:identifier>
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<mods:identifier id="E98677DE5A2C375A54EA45340AA04789" type="Pensoft-Pub">1314-2003-207-1</mods:identifier>
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<treatment id="016E5CFA6E4AD54C0E8ED7ABBCC8044E" ID-DOI="http://doi.org/10.5281/zenodo.7228833" ID-GBIF-Taxon="200764565" ID-Zenodo-Dep="7228833" LSID="urn:lsid:plazi:treatment:016E5CFA6E4AD54C0E8ED7ABBCC8044E" httpUri="http://treatment.plazi.org/id/016E5CFA6E4AD54C0E8ED7ABBCC8044E" lastPageNumber="118" pageId="118" pageNumber="118" scope_family="Annonaceae">
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<subSubSection id="AB6F75890FE3EE423E8C72948A8A9FC8" pageId="118" pageNumber="118" type="nomenclature">
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<paragraph id="9FA054C16068A83A5DF581D699963634" pageId="118" pageNumber="118">
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<taxonomicName id="A73CBA4C0891FB472CF9DEB12F30D7BF" ID-CoL="4WYK" authority="A. DC., Mem. Soc. Phys. Geneve 5: 212, 1832" authorityName="A. DC., Mem. Soc. Phys. Geneve 5: 212" authorityYear="1832" class="Magnoliopsida" family="Annonaceae" genus="Hexalobus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Hexalobus" order="Magnoliales" pageId="118" pageNumber="118" phylum="Tracheophyta" rank="genus">
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Hexalobus A. DC.,
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<normalizedToken id="1709EA18048172747783FAE016FAC92E" originalValue="Mém" pageId="118" pageNumber="118">Mem</normalizedToken>
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. Soc. Phys.
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<normalizedToken id="2BF5C4F8B65B0834B08F17461CB0F5DD" originalValue="Genève" pageId="118" pageNumber="118">Geneve</normalizedToken>
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5: 212, 1832
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</taxonomicName>
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</paragraph>
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</subSubSection>
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<subSubSection id="1A155FD7FF719D043087FD96DE44CE15" pageId="118" pageNumber="118" type="type species">
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<paragraph id="FDADF175CD9F6C1F0743FFBDADBC31A1" pageId="118" pageNumber="118">Type species.</paragraph>
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<paragraph id="9C0AB43DE51BF9C7E78209C3A87A0B12" pageId="118" pageNumber="118">
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<taxonomicName id="F9B7EEA050917357EC75E23BC4881EB6" authorityName="Engl. & Diels, Monogr. Afrik. Pflanzen. - Fam. 6: 56" authorityYear="1901" baseAuthorityName="A. Rich." class="Magnoliopsida" family="Annonaceae" genus="Hexalobus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Hexalobus monopetalus" order="Magnoliales" pageId="118" pageNumber="118" phylum="Tracheophyta" rank="species" species="monopetalus">
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<emphasis id="FC018DBEB2CB4654B4D21E6AE1897E10" italics="true" pageId="118" pageNumber="118">Hexalobus monopetalus</emphasis>
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</taxonomicName>
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(A. Rich.) Engl. & Diels.
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</paragraph>
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</subSubSection>
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<subSubSection id="CE719BCDB2245A650A76EB41F5719F32" pageId="118" pageNumber="118" type="description">
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<paragraph id="D3C36B9A812AB58D8AAA0A29CE39A65C" pageId="118" pageNumber="118">Description.</paragraph>
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<paragraph id="2664528E2EA4E3FDB2B26B95814C2B12" pageId="118" pageNumber="118">Trees, 10-40 m tall, d.b.h. 35-100 cm; stilt roots or buttresses absent, but trunk strongly fluted. Indumentum of simple hairs. Leaves: petiole 1-8 mm long, 1-4 mm in diameter; blade 3.6-36 cm long, 1.2-10 cm wide, elliptic or obovate or ovate, apex acuminate or rounded to obtuse, base cuneate or cordate, concolorous; midrib sunken or flat; secondary veins 5 to 17 pairs; tertiary venation reticulate. Individuals bisexual; inflorescences ramiflorous on old leafless or young foliate branches, axillary. Flowers with 9 perianth parts in 2 whorls, 1 to 3 per inflorescence; pedicel (0)1-15 mm long, 1-5 mm in diameter; in fruit 2-30 mm long, 1-5 mm in diameter; bracts 5 to 6, several basal and two (sometimes fused) on upper half of pedicel; sepals 3, valvate, free, 4-21 mm long, 3-14 mm wide, ovate, apex acute, base truncate; petals 6, in a single whorl and basally fused, tube 2-10 mm long, inner and outer whorl not differentiated, equal or subequal; lobes 9-80 mm long, 3-21 mm wide, margins plicate (folded in bud) or wavy; stamens numerous, in 10 to 13 rows, 1-8 mm long, elongated; connective discoid or elongated; staminodes absent; carpels free, 2 to 16, ovary 2-5 mm long, stigma bilobed or divided into two lobes with margins coiled inwards. Fruit apocarpous, monocarps stipitate or sessile, stipes 0-3 mm long; monocarps 1 to 8, 22-95 mm long, 13-65 mm in diameter, ellipsoid to cylindrical, apex rounded, smooth or rugose or warty, pubescent, orange-brown to medium brown when ripe; seeds 2 to 36, 10-40 mm long, 7-20 mm in diameter, flattened ellipsoid; aril absent.</paragraph>
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<paragraph id="C0B660E645E93EAA63D6B77DD655CC1C" pageId="118" pageNumber="118">A genus of five species, distributed across Africa. Four species are known from Cameroon, one endemic.</paragraph>
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<paragraph id="0745C04949E552353B6A5E2F275C74C1" pageId="118" pageNumber="118">
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This genus of trees is characterized by thin plicate (folded) petals, a unique character for
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<taxonomicName id="F8819A91714B39BCAD1A38B5D07A2636" authorityName="A. DC., Mem. Soc. Phys. Geneve 5: 212" authorityYear="1832" class="Magnoliopsida" family="Annonaceae" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Magnoliales" pageId="118" pageNumber="118" phylum="Tracheophyta" rank="family">Annonaceae</taxonomicName>
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(
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<bibRefCitation id="394F39D737B711B1ED5E53133E138B4A" DOI="https://doi.org/10.1600/036364411X553108" author="Botermans, M" journalOrPublisher="Systematic Botany" pageId="118" pageNumber="118" pagination="33 - 48" refId="B15" refString="Botermans, M, Sosef, MSM, Chatrou, LW, Couvreur, TLP, 2011. A revision of the African genus Hexalobus (Annonaceae). Systematic Botany 36: 33 - 48, DOI: https://doi.org/10.1600/036364411X553108" title="A revision of the African genus Hexalobus (Annonaceae)." url="https://doi.org/10.1600/036364411X553108" volume="36" year="2011">Botermans et al. 2011</bibRefCitation>
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). In addition, the petals are fused at the base and form a short tube with 6 lobes, a character otherwise only seen in
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<taxonomicName id="E2B9782FDD773550535C2845B7991596" authorityName="Engl., Nat. Pflanzenfam. Nachtr. I: 161" authorityYear="1897" class="Magnoliopsida" family="Annonaceae" genus="Isolona" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isolona" order="Magnoliales" pageId="118" pageNumber="118" phylum="Tracheophyta" rank="genus">
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<emphasis id="41123CEB003A654F4FF05C5B5142A420" italics="true" pageId="118" pageNumber="118">Isolona</emphasis>
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</taxonomicName>
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. The trunk of adult trees is strongly fluted, a character also seen in the larger species of the genus
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<taxonomicName id="472C75732DFDAA0FEA7BDEAE1499D48F" authorityName="Engl., Nat. Pflanzenfam. Nachtr. I: 161" authorityYear="1897" class="Magnoliopsida" family="Annonaceae" genus="Isolona" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isolona" order="Magnoliales" pageId="118" pageNumber="118" phylum="Tracheophyta" rank="genus">
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<emphasis id="180D17FFA681477208F09DE75312E295" italics="true" pageId="118" pageNumber="118">Isolona</emphasis>
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</taxonomicName>
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(e.g.
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<taxonomicName id="839C43E0EE6D020BF35099FF355C2A81" class="Magnoliopsida" family="Rubiaceae" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="I. hexaloba" order="Magnoliales" pageId="118" pageNumber="118" phylum="Tracheophyta" rank="species" species="hexaloba">
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<emphasis id="3D6CA97520E3843A6B7F3A699BE901CB" italics="true" pageId="118" pageNumber="118">I. hexaloba</emphasis>
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</taxonomicName>
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).
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</paragraph>
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</subSubSection>
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<subSubSection id="5006CDFDDEAFB799A32EED2FFCE17F44" pageId="118" pageNumber="118" type="taxonomy">
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<paragraph id="BC204E932FDE6FD108ADF2C49B3A6BA8" pageId="118" pageNumber="118">Taxonomy.</paragraph>
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<paragraph id="49659E2C2A997B21056A7090A1B0339A" pageId="118" pageNumber="118">
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<bibRefCitation id="4BBD1EACBAF48852011494E62E5755EE" DOI="https://doi.org/10.1600/036364411X553108" author="Botermans, M" journalOrPublisher="Systematic Botany" pageId="118" pageNumber="118" pagination="33 - 48" refId="B15" refString="Botermans, M, Sosef, MSM, Chatrou, LW, Couvreur, TLP, 2011. A revision of the African genus Hexalobus (Annonaceae). Systematic Botany 36: 33 - 48, DOI: https://doi.org/10.1600/036364411X553108" title="A revision of the African genus Hexalobus (Annonaceae)." url="https://doi.org/10.1600/036364411X553108" volume="36" year="2011">Botermans et al. (2011)</bibRefCitation>
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.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |