248 lines
19 KiB
XML
248 lines
19 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.97.20975" ID-GBIF-Taxon="182225247" 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. & Murray, Nancy A." docDate="2018" docId="6D2F9BF32A595645A9DFC11300E43832" 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 talbotii Exell, J. Bot. 69: 98 – 99. 1931." docType="treatment" docVersion="2" id="BD026E15CD67FF99E01FF605FFF6FFEF" lastPageNumber="167" masterDocId="BD026E15CD67FF99E01FF605FFF6FFEF" masterDocTitle="A revision of Xylopia L. (Annonaceae): the species of Tropical Africa" masterLastPageNumber="252" masterPageNumber="1" pageId="166" pageNumber="167" updateTime="1643467003316" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>A revision of Xylopia L. (Annonaceae): the species of Tropical Africa</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Johnson, David M.</mods:namePart>
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<mods:affiliation>Department of Botany-Microbiology, Ohio Wesleyan University, Delaware, OH, 43015, USA</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Murray, Nancy A.</mods:namePart>
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<mods:affiliation>Department of Botany-Microbiology, Ohio Wesleyan University, Delaware, OH, 43015, USA</mods:affiliation>
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<mods:nameIdentifier type="email">namurray@owu.edu</mods:nameIdentifier>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>PhytoKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2018</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2018-04-24</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>97</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>1</mods:start>
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<mods:end>252</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/phytokeys.97.20975</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.97.20975</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2003-97-1</mods:identifier>
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<mods:identifier type="Pensoft-UUID">BD026E15CD67FF99E01FF605FFF6FFEF</mods:identifier>
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<mods:identifier type="Zenodo-Dep">1239255</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="182225247" LSID="urn:lsid:plazi:treatment:6D2F9BF32A595645A9DFC11300E43832" httpUri="http://treatment.plazi.org/id/6D2F9BF32A595645A9DFC11300E43832" lastPageNumber="167" pageId="166" pageNumber="167">
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<subSubSection pageId="166" pageNumber="167" type="nomenclature">
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<paragraph pageId="166" pageNumber="167">
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41.
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<taxonomicName LSID="6D2F9BF3-2A59-5645-A9DF-C11300E43832" authority="Exell, J. Bot. 69: 98 - 99. 1931." authorityName="Exell, J. Bot. 69: 98 – 99. 1931." class="Magnoliopsida" family="Annonaceae" genus="Xylopia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Xylopia talbotii" order="Magnoliales" pageId="166" pageNumber="167" phylum="Tracheophyta" rank="species" species="talbotii">Xylopia talbotii Exell, J. Bot. 69: 98-99. 1931.</taxonomicName>
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<figureCitation captionStart="Figure 39" captionStartId="F39" captionText="Figure 39. Xylopia thomsonii, X. monticola, X. talbotii, and X. dinklagei. A-C X. thomsonii A Fruit B Leaf C Flower D-E X. monticola D Flower E Leaf and fruit F X. talbotii, flower, side view G-I X. dinklagei G Leaf H Flower I Fruit. A from de Wilde & de Wilde-Duyfjes 2703 (K) B, C from Talbot & Talbot 3267 (BM) D from Chapman 3755 (K) E from Thomas et al. 7400 (MO) F from Thomas 3204 (MO) G, H from Dinklage 1840 (A) I from Baldwin 10805 (K)." figureDoi="10.3897/phytokeys.97.20975.figure39" httpUri="https://binary.pensoft.net/fig/199124" pageId="166" pageNumber="167">Fig. 39F</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="166" pageNumber="167" type="materials_examined">
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<paragraph pageId="166" pageNumber="167">
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<typeStatus>Type</typeStatus>
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.
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</paragraph>
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<paragraph pageId="166" pageNumber="167">
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<materialsCitation collectingDate="2018-01-01" collectingDateMax="2018-12-31" collectingDateMin="2018-01-01" collectorName="Oban, S, P. A. Talbot" country="NIGERIA" location="Cross River State" specimenCount="1" stateProvince="Cross River State" typeStatus="holotype">
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<collectingCountry name="Nigeria">NIGERIA</collectingCountry>
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.
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<collectingRegion country="Nigeria" name="Cross River">Cross River State</collectingRegion>
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,
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<collectorName>Oban, S</collectorName>
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. Nigeria, 1912,
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<emphasis italics="true" pageId="166" pageNumber="167">
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<collectorName>P. A. Talbot</collectorName>
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1601
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</emphasis>
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(
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<typeStatus>holotype</typeStatus>
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: BM! (photos GH, NY); isotype: K! [000199068])
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</materialsCitation>
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.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="166" pageNumber="167" type="description">
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<paragraph pageId="166" pageNumber="167">Description.</paragraph>
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<paragraph pageId="166" pageNumber="167">
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<emphasis bold="true" italics="true" pageId="166" pageNumber="167">Tree</emphasis>
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up to 5 m tall; branches slender and somewhat flexuous.
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<emphasis bold="true" italics="true" pageId="166" pageNumber="167">Twigs</emphasis>
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light brown, prominently ferruginous-pilose, with sparser hairs 1.5-2 mm long mixed with denser hairs 0.2-0.4 mm long, at length gray-brown, glabrate; no nodes seen with two axillary branches.
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<emphasis bold="true" italics="true" pageId="166" pageNumber="167">Leaf</emphasis>
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with larger blades 9.2-12.5 cm long, 3.0-4.2 cm wide, chartaceous, concolorous to discolorous, lanceolate-oblong to elliptic, occasionally elliptic-oblanceolate or oblong-oblanceolate, apex acuminate, the acumen 9-17 mm long, base cuneate to rounded, glabrous except for the ferruginous-pubescent midrib adaxially, thinly sericeous to coarsely villous, especially along midrib, abaxially; midrib plane adaxially, raised abaxially, secondary veins weakly brochidodromous, 11-15 per side, diverging at 50-75° from the midrib, these and higher-order veins indistinct to slightly raised adaxially, slightly raised abaxially; petiole 2.5-5 mm long, shallowly canaliculate, ferruginous-pilose.
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<emphasis bold="true" italics="true" pageId="166" pageNumber="167">Inflorescences</emphasis>
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axillary, 1-flowered, ferruginous-pilose; peduncles absent; pedicels 3.0-5.5 mm long, 1.3-1.5 mm thick; bracts 2-3, evenly spaced along pedicel, persistent, 2.8-4 mm long, ovate to broadly circular, apex acute to obtuse; buds lanceolate, apex acute and sometimes falciform.
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<emphasis bold="true" italics="true" pageId="166" pageNumber="167">Sepals</emphasis>
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erect to slightly spreading at anthesis, 1/4-connate, 4-6 mm long, 3.1-3.8 mm wide, coriaceous, triangular to ovate, apex acute to acuminate, densely ferruginous-pubescent abaxially.
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<emphasis bold="true" italics="true" pageId="166" pageNumber="167">Petal</emphasis>
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color
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<emphasis italics="true" pageId="166" pageNumber="167">in vivo</emphasis>
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unknown; outer petals slightly spreading at anthesis, 32-38 mm long, 3.1-3.3 mm wide at base, 2.0-3.0 mm wide at midpoint, coriaceous, linear, apex acute to obtuse, sometimes with a faint line down the center of the petal adaxially, with a weak longitudinal ridge abaxially, glabrous from base to one-third of length and then densely puberulent adaxially, sericeous abaxially; inner petals more or less erect at anthesis, 23-25 mm long, 2.4-3.3 mm wide at base, 1-1.5 mm wide at midpoint, coriaceous, linear, apex acute, base with undifferentiated margin, longitudinally ridged on both surfaces, densely gray-puberulent on both surfaces except for the glabrous base.
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<emphasis bold="true" italics="true" pageId="166" pageNumber="167">Stamens</emphasis>
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ca. 120; fertile stamens 0.9-1.6 mm long, narrowly oblong, apex of connective 0.1-0.2 mm long, shieldlike, overhanging anther thecae, minutely papillate, anthers ca. 10-12-locellate, filament 0.3-0.4 mm long; outer staminodes 1.2-1.8 mm long, clavate to oblong, apex obtuse, rounded, or truncate; inner staminodes 1.1-1.2 mm long, clavate to oblong, apex truncate; staminal cone 1.3 mm in diameter, 1-1.1 mm high, concealing lower half of ovaries, rim laciniate.
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<emphasis bold="true" italics="true" pageId="166" pageNumber="167">Carpels</emphasis>
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at least 8; ovaries ca. 1.3 mm long, oblong, pubescent, stigmas connivent, ca. 2.5-3 mm long, linear, a little bent at midpoint, glabrous except for apical tuft of hairs.
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<emphasis bold="true" italics="true" pageId="166" pageNumber="167">Torus</emphasis>
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flat, 1.5-2.0 mm in diameter. Only immature fruit (<6 mm long) seen, so pedicel and torus not expanded;
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<emphasis bold="true" italics="true" pageId="166" pageNumber="167">Monocarps</emphasis>
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8, clavate and somewhat falcate, apex with small curved beak, stipitate, sparsely pubescent.
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<emphasis bold="true" italics="true" pageId="166" pageNumber="167">Seeds</emphasis>
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unknown.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="166" pageNumber="167" type="phenology">
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<paragraph pageId="166" pageNumber="167">Phenology.</paragraph>
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<paragraph pageId="166" pageNumber="167">Specimens with flowers have been collected in late November or December, and between late February and early April; immature fruits were collected in May.</paragraph>
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</subSubSection>
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<subSubSection pageId="166" pageNumber="167" type="distribution">
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<paragraph pageId="166" pageNumber="167">Distribution</paragraph>
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<paragraph pageId="166" pageNumber="167">
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(Fig.
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<figureCitation captionStart="Figure 46" captionStartId="F46" captionText="Figure 46. Distributions of Xylopia talbotii and X. mildbraedii. Bolder lines represent country borders, fainter lines lakes and major rivers." figureDoi="10.3897/phytokeys.97.20975.figure46" httpUri="https://binary.pensoft.net/fig/199131" pageId="166" pageNumber="167">46</figureCitation>
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). Occurs from southeastern Nigeria to Equatorial Guinea in gallery or lowland forest at ca. 50 m.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="166" pageNumber="167" type="materials_examined">
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<paragraph pageId="166" pageNumber="167">Additional specimens examined.</paragraph>
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<paragraph pageId="166" pageNumber="167">
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<materialsCitation collectingDate="2018-01-01" collectingDateMax="2018-12-31" collectingDateMin="2018-01-01" collectorName="Eket District, S, Talbot" country="NIGERIA" location="Eket District" specimenCount="1">
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<emphasis bold="true" pageId="166" pageNumber="167">
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<collectingCountry name="Nigeria">NIGERIA</collectingCountry>
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.
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</emphasis>
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<collectorName>
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<location LSID="urn:lsid:plazi:treatment:6D2F9BF32A595645A9DFC11300E43832:317CD8761AB38E8AF647D8D724DB37F9" country="NIGERIA" name="Eket District">Eket District</location>
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, S
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</collectorName>
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. Nigeria, 1912-1913,
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<emphasis italics="true" pageId="166" pageNumber="167">
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<collectorName>Talbot</collectorName>
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&
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<collectorName>Talbot</collectorName>
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3209
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</emphasis>
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(BM, MO)
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</materialsCitation>
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.
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<materialsCitation collectingDate="1969-05-27" collectingDateMax="1984-04-03" collectingDateMin="1969-05-27" country="CAMEROON" county="Korup National Park" elevation="50" latitude="5.05" location="About" longLatPrecision="1305" longitude="8.8" municipality="Southwest Province" specimenCount="1">
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<emphasis bold="true" pageId="166" pageNumber="167">
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<collectingCountry name="Cameroon">CAMEROON</collectingCountry>
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.
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</emphasis>
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<location LSID="urn:lsid:plazi:treatment:6D2F9BF32A595645A9DFC11300E43832:5669D7BB0F0A0E40300DA501465D7322" country="CAMEROON" county="Korup National Park" latitude="5.05" longLatPrecision="1305" longitude="8.8" municipality="Southwest Province" name="About">About</location>
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<quantity metricMagnitude="4" metricUnit="m" metricValue="1.0" unit="km" value="10.0">10 km</quantity>
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from
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<location LSID="urn:lsid:plazi:treatment:6D2F9BF32A595645A9DFC11300E43832:8D97DA59BDA1BA96517D53E1304EF002" country="CAMEROON" county="Korup National Park" latitude="5.05" longLatPrecision="1305" longitude="8.8" municipality="Southwest Province" name="Kribi">Kribi</location>
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,
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<locationDeviation location="Lolodorf">S of Lolodorf</locationDeviation>
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road,
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<geoCoordinate degrees="2" direction="north" minutes="58" orientation="latitude" precision="925" value="2.9666667">2°58'N</geoCoordinate>
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,
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<geoCoordinate degrees="9" direction="east" minutes="58" orientation="longitude" precision="925" value="9.966666">9°58'E</geoCoordinate>
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, gallery forest on N bank of
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<location LSID="urn:lsid:plazi:treatment:6D2F9BF32A595645A9DFC11300E43832:A9C0DD6C9DD897012E3A0948925082C2" country="CAMEROON" county="Korup National Park" latitude="5.05" longLatPrecision="1305" longitude="8.8" municipality="Southwest Province" name="Kienke River">Kienke River</location>
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,
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<collectingDate value="1969-05-27">27 May 1969</collectingDate>
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(yg fr),
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<emphasis italics="true" pageId="166" pageNumber="167">
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<location LSID="urn:lsid:plazi:treatment:6D2F9BF32A595645A9DFC11300E43832:57B13437ED570461146B887015644A4F" country="CAMEROON" county="Korup National Park" latitude="5.05" longLatPrecision="1305" longitude="8.8" municipality="Southwest Province" name="Bos">Bos</location>
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4650
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</emphasis>
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(BR, MO, P, WAG);
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<collectingMunicipality>Southwest Province</collectingMunicipality>
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,
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<collectingCounty>Korup National Park</collectingCounty>
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,
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<geoCoordinate degrees="5" direction="north" minutes="03" orientation="latitude" precision="925" value="5.05">5°03'N</geoCoordinate>
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,
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<geoCoordinate degrees="8" direction="east" minutes="48" orientation="longitude" precision="925" value="8.8">8°48'E</geoCoordinate>
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,
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<quantity metricMagnitude="1" metricUnit="m" metricValue="5.0" unit="m" value="50.0">
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<elevation metricMagnitude="1" metricUnit="m" metricValue="5.0" unit="m" value="50.0">50 m</elevation>
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</quantity>
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,
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<collectingDate value="1984-02-28" valueMax="1984-04-03" valueMin="1984-02-28">28 Feb-3 April 1984</collectingDate>
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(fl),
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<emphasis italics="true" pageId="166" pageNumber="167">Thomas 3204</emphasis>
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(K, MO)
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</materialsCitation>
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.
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<materialsCitation collectingDate="1908-12" country="EQUATORIAL GUINEA" county="Nov" location="Bebai" municipality="Weg" specimenCount="1">
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<emphasis bold="true" pageId="166" pageNumber="167">
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<collectingCountry name="Equatorial Guinea">EQUATORIAL GUINEA</collectingCountry>
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.
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</emphasis>
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<location LSID="urn:lsid:plazi:treatment:6D2F9BF32A595645A9DFC11300E43832:E83AE82A160F4BF6F383A1B49C164872" country="EQUATORIAL GUINEA" county="Nov" municipality="Weg" name="Bebai">Bebai</location>
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,
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<location LSID="urn:lsid:plazi:treatment:6D2F9BF32A595645A9DFC11300E43832:359291D4EA363DBFD053779C26BCA41C" country="EQUATORIAL GUINEA" county="Nov" municipality="Weg" name="Camposgebiet">Camposgebiet</location>
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,
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<collectingMunicipality>Weg</collectingMunicipality>
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u. [along Cameroon border,
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<bibRefCitation author="Tessmann, G" journalOrPublisher="Fitoterapia" pageId="191" pageNumber="192" refId="B162" refString="Tessmann, G, 1913. Die Pangwe: Voelkerkundliche Monographie eines westafrikanischen Negerstammes. Ernst Wasmuth A.-G., Berlin, 275 [Vol. 1], 402 [Vol. 2]." title="Die Pangwe: Voelkerkundliche Monographie eines westafrikanischen Negerstammes. Ernst Wasmuth A. - G., Berlin, 275 [Vol. 1], 402 [Vol. 2]." year="1913">Tessmann 1913</bibRefCitation>
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; locality is in NE corner of modern Equatorial Guinea], 23
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<collectingCounty>Nov</collectingCounty>
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or
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<collectingDate value="1908-12">Dec 1908</collectingDate>
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(fl),
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<emphasis italics="true" pageId="166" pageNumber="167">Tessmann 747</emphasis>
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(K)
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</materialsCitation>
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.
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</paragraph>
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<paragraph pageId="166" pageNumber="167">
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<taxonomicName class="Magnoliopsida" family="Ulmaceae" genus="Xylopia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Xylopia talbotii" order="Magnoliales" pageId="166" pageNumber="167" phylum="Tracheophyta" rank="species" species="talbotii">
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<emphasis italics="true" pageId="166" pageNumber="167">Xylopia talbotii</emphasis>
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</taxonomicName>
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is a species of the
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<taxonomicName family="Annonaceae" genus="X." kingdom="Plantae" lsidName="X. acutiflora" order="Magnoliales" pageId="166" pageNumber="167" rank="species" species="acutiflora">
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<emphasis italics="true" pageId="166" pageNumber="167">X. acutiflora</emphasis>
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</taxonomicName>
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subgroup, readily distinguished by the striking and persistent ferruginous pubescence of the twigs, petioles, pedicels, and calyx, and the long-acuminate leaves. Exell compared the species to
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<taxonomicName family="Annonaceae" genus="X." kingdom="Plantae" lsidName="X. villosa" order="Magnoliales" pageId="166" pageNumber="167" rank="species" species="villosa">
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<emphasis italics="true" pageId="166" pageNumber="167">X. villosa</emphasis>
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</taxonomicName>
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, which has a similar pubescence and overlaps somewhat in distribution, but
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<taxonomicName family="Annonaceae" genus="X." kingdom="Plantae" lsidName="X. talbotii" order="Magnoliales" pageId="166" pageNumber="167" rank="species" species="talbotii">
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<emphasis italics="true" pageId="166" pageNumber="167">X. talbotii</emphasis>
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</taxonomicName>
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differs in the sparser, coarser, and more erect indument of the abaxial leaf surface, versus the dense fine golden-sericeous indument of
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<taxonomicName family="Annonaceae" genus="X." kingdom="Plantae" lsidName="X. villosa" order="Magnoliales" pageId="166" pageNumber="167" rank="species" species="villosa">
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<emphasis italics="true" pageId="166" pageNumber="167">X. villosa</emphasis>
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</taxonomicName>
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, as well as inflorescences consisting of a single flower, rather than up to 8 flowers. The specimen
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<emphasis italics="true" pageId="166" pageNumber="167">Tessmann 747</emphasis>
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from
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<collectingCountry name="Equatorial Guinea">Equatorial Guinea</collectingCountry>
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differs from the other specimens in the less pronounced leaf acumen and twig indument but is otherwise similar.
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</paragraph>
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<paragraph pageId="166" pageNumber="167">
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We calculated an EOO of
|
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<quantity metricMagnitude="7" metricUnit="m" metricValue="2.7199" unit="km" value="27199.0">27,199 km</quantity>
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2 and an AOO of
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<quantity metricMagnitude="4" metricUnit="m" metricValue="2.0" unit="km" value="20.0">20 km</quantity>
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2 for
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<taxonomicName class="Magnoliopsida" family="Ulmaceae" genus="Xylopia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Xylopia talbotii" order="Magnoliales" pageId="166" pageNumber="167" phylum="Tracheophyta" rank="species" species="talbotii">
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<emphasis italics="true" pageId="166" pageNumber="167">Xylopia talbotii</emphasis>
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</taxonomicName>
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. It is one of several central African species that are represented in herbarium collections by a small number of specimens collected over a relatively wide area.
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</paragraph>
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</subSubSection>
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</treatment>
|
||
</document> |