treatments-xml/data/75/8D/87/758D871BB0DC51948B8FD6E98D39B6A1.xml

<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.97.20975" ID-GBIF-Taxon="182225243" ID-Pensoft-Pub="1314-2003-97-1" ID-Pensoft-UUID="BD026E15CD67FF99E01FF605FFF6FFEF" ID-Zenodo-Dep="1239255" ModsDocID="1314-2003-97-1" checkinTime="1524638383340" checkinUser="pensoft" docAuthor="Johnson, David M. &amp; Murray, Nancy A." docDate="2018" docId="758D871BB0DC51948B8FD6E98D39B6A1" docLanguage="en" docName="PhytoKeys 97: 1-252" docOrigin="PhytoKeys 97" docPubDate="2018-04-24" docSource="http://dx.doi.org/10.3897/phytokeys.97.20975" docTitle="Xylopia (sect. Neoxylopia) torrei subsp. Section Engler &amp; Diels, Monogr. afrik. Pflanzen-Fam. 6: 58. 1901." docType="treatment" docVersion="2" id="BD026E15CD67FF99E01FF605FFF6FFEF" lastPageId="32" lastPageNumber="32" masterDocId="BD026E15CD67FF99E01FF605FFF6FFEF" masterDocTitle="A revision of Xylopia L. (Annonaceae): the species of Tropical Africa" masterLastPageNumber="252" masterPageNumber="1" pageId="31" pageNumber="32" updateTime="1643467003316" updateUser="ExternalLinkService">
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<mods:title>A revision of Xylopia L. (Annonaceae): the species of Tropical Africa</mods:title>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Johnson, David M.</mods:namePart>
<mods:affiliation>Department of Botany-Microbiology, Ohio Wesleyan University, Delaware, OH, 43015, USA</mods:affiliation>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Murray, Nancy A.</mods:namePart>
<mods:affiliation>Department of Botany-Microbiology, Ohio Wesleyan University, Delaware, OH, 43015, USA</mods:affiliation>
<mods:nameIdentifier type="email">namurray@owu.edu</mods:nameIdentifier>
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<mods:date>2018</mods:date>
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<mods:number>2018-04-24</mods:number>
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<mods:number>97</mods:number>
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I. 
<taxonomicName LSID="758D871B-B0DC-5194-8B8F-D6E98D39B6A1" authority="Neoxylopia Engler &amp; Diels, Monogr. afrik. Pflanzen-Fam. 6: 58. 1901." authorityName="Engler &amp; Diels, Monogr. afrik. Pflanzen-Fam. 6: 58. 1901." class="Magnoliopsida" family="Annonaceae" genus="Xylopia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Xylopia subsp. Section" order="Magnoliales" pageId="31" pageNumber="32" phylum="Tracheophyta" rank="section" section="Neoxylopia" species="torrei" subSpecies="Section">Xylopia Section Neoxylopia Engler &amp; Diels, Monogr. afrik. Pflanzen-Fam. 6: 58. 1901.</taxonomicName>
</paragraph>
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<subSubSection pageId="31" pageNumber="32" type="materials_examined">
<paragraph pageId="31" pageNumber="32">
<typeStatus>Type</typeStatus>
.
</paragraph>
<paragraph pageId="31" pageNumber="32">
<taxonomicName class="Magnoliopsida" family="Ulmaceae" genus="Xylopia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Xylopia africana" order="Magnoliales" pageId="31" pageNumber="32" phylum="Tracheophyta" rank="species" species="africana">
<emphasis italics="true" pageId="31" pageNumber="32">Xylopia africana</emphasis>
</taxonomicName>
(Bentham) Oliver (
<typeStatus>lectotype</typeStatus>
designated in 
<bibRefCitation DOI="https://doi.org/10.1600/036364417X695484" author="Stull, GW" journalOrPublisher="Systematic Botany" pageId="191" pageNumber="192" pagination="211 - 225" refId="B159" refString="Stull, GW, Johnson, DM, Murray, NA, Couvreur, TLP, Reeger, JE, Roy, CM, 2017. Plastid and seed morphology data support a revised infrageneric classification and an African origin of the pantropical genus Xylopia (Annonaceae). Systematic Botany 42 (2): 211 - 225, DOI: https://doi.org/10.1600/036364417X695484" title="Plastid and seed morphology data support a revised infrageneric classification and an African origin of the pantropical genus Xylopia (Annonaceae)." url="https://doi.org/10.1600/036364417X695484" volume="42" year="2017">Stull et al. 2017</bibRefCitation>
, p. 221).
</paragraph>
</subSubSection>
<subSubSection pageId="31" pageNumber="32" type="description">
<paragraph pageId="31" pageNumber="32">Description.</paragraph>
<paragraph pageId="31" pageNumber="32">Nodes with branches from 2-3 axillary buds; outer petals ovate or linear, if outer petals linear then over four times as long as the inner petals; inner petals ovate, lacking differentiated fleshy basal margins; anther connectives shieldlike at apex, overhanging the anther thecae, rarely with the center formed into a conical point; staminal cone rudimentary, surrounding only the bases of the ovaries, rim laciniate; carpels 3-15, the stigmas free to connivent, marked with warts, tubercles, or glandular appendages; aril brushlike; seed coat smooth, sarcotesta absent. Four species in Tropical Africa.</paragraph>
</subSubSection>
<subSubSection lastPageId="32" lastPageNumber="33" pageId="31" pageNumber="32" type="notes">
<paragraph pageId="31" pageNumber="32">Notes.</paragraph>
<paragraph lastPageId="32" lastPageNumber="33" pageId="31" pageNumber="32">
The section was defined by Engler and Diels primarily on the basis of the distinctive aril. Three of the four species classified in this section are known to have such an aril. Fruits and seeds of the fourth species, 
<taxonomicName family="Annonaceae" genus="X." kingdom="Plantae" lsidName="X. globosa" order="Magnoliales" pageId="31" pageNumber="32" rank="species" species="globosa">
<emphasis italics="true" pageId="31" pageNumber="32">X. globosa</emphasis>
</taxonomicName>
, are unknown, but the floral morphology of the species is strikingly similar to that of other species in the section, 
<pageBreakToken pageId="32" pageNumber="33" start="start">and</pageBreakToken>
molecular analysis (
<bibRefCitation DOI="https://doi.org/10.1600/036364417X695484" author="Stull, GW" journalOrPublisher="Systematic Botany" pageId="191" pageNumber="192" pagination="211 - 225" refId="B159" refString="Stull, GW, Johnson, DM, Murray, NA, Couvreur, TLP, Reeger, JE, Roy, CM, 2017. Plastid and seed morphology data support a revised infrageneric classification and an African origin of the pantropical genus Xylopia (Annonaceae). Systematic Botany 42 (2): 211 - 225, DOI: https://doi.org/10.1600/036364417X695484" title="Plastid and seed morphology data support a revised infrageneric classification and an African origin of the pantropical genus Xylopia (Annonaceae)." url="https://doi.org/10.1600/036364417X695484" volume="42" year="2017">Stull et al. 2017</bibRefCitation>
) placed it as sister to 
<taxonomicName family="Annonaceae" genus="X." kingdom="Plantae" lsidName="X. staudtii" order="Magnoliales" pageId="32" pageNumber="33" rank="species" species="staudtii">
<emphasis italics="true" pageId="32" pageNumber="33">X. staudtii</emphasis>
</taxonomicName>
. Stilt roots are another feature of species in this section: 
<taxonomicName class="Magnoliopsida" family="Ulmaceae" genus="Xylopia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Xylopia africana" order="Magnoliales" pageId="32" pageNumber="33" phylum="Tracheophyta" rank="species" species="africana">
<emphasis italics="true" pageId="32" pageNumber="33">Xylopia africana</emphasis>
</taxonomicName>
, 
<taxonomicName family="Annonaceae" genus="X." kingdom="Plantae" lsidName="X. rubescens" order="Magnoliales" pageId="32" pageNumber="33" rank="species" species="rubescens">
<emphasis italics="true" pageId="32" pageNumber="33">X. rubescens</emphasis>
</taxonomicName>
, and 
<taxonomicName family="Annonaceae" genus="X." kingdom="Plantae" lsidName="X. staudtii" order="Magnoliales" pageId="32" pageNumber="33" rank="species" species="staudtii">
<emphasis italics="true" pageId="32" pageNumber="33">X. staudtii</emphasis>
</taxonomicName>
are regularly described as having such roots, but they have not been confirmed for 
<taxonomicName family="Annonaceae" genus="X." kingdom="Plantae" lsidName="X. globosa" order="Magnoliales" pageId="32" pageNumber="33" rank="species" species="globosa">
<emphasis italics="true" pageId="32" pageNumber="33">X. globosa</emphasis>
</taxonomicName>
.
</paragraph>
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