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<document ID-DOI="10.5091/plecevo.2018.1504" approvalRequired="14" approvalRequired_for_document="1" approvalRequired_for_matCits="1" approvalRequired_for_treatments="13" checkinTime="1676462780647" checkinUser="diego" docAuthor="Meerts, Pierre" docDate="2018" docId="03D1532200551E4BFCD5553EFE00FC3D" docLanguage="en" docName="PlantEcolEvol.151.3.380-392.pdf" docOrigin="Plant Ecology and Evolution 151 (3)" docSource="http://dx.doi.org/10.5091/plecevo.2018.1504" docTitle="Vitex discoideoglandulosa De Wild. De Wildeman 1929" docType="treatment" docVersion="6" lastPageNumber="385" masterDocId="FFE82B5A00511E4EFFC65045FFD4FF86" masterDocTitle="Synopsis of the genus Vitex (Lamiaceae) in the Democratic Republic of the Congo" masterLastPageNumber="392" masterPageNumber="380" pageNumber="384" updateTime="1677064057250" updateUser="diego" zenodo-license-document="CC-BY-4.0">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Synopsis of the genus Vitex (Lamiaceae) in the Democratic Republic of the Congo</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Meerts, Pierre</mods:namePart>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>Plant Ecology and Evolution</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2018</mods:date>
<mods:detail type="pubDate">
<mods:number>2018-11-28</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>151</mods:number>
</mods:detail>
<mods:detail type="issue">
<mods:number>3</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>380</mods:start>
<mods:end>392</mods:end>
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<mods:url>http://dx.doi.org/10.5091/plecevo.2018.1504</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">10.5091/plecevo.2018.1504</mods:identifier>
</mods:mods>
<treatment ID-DOI="http://doi.org/10.5281/zenodo.7644279" ID-Zenodo-Dep="7644279" LSID="urn:lsid:plazi:treatment:03D1532200551E4BFCD5553EFE00FC3D" httpUri="http://treatment.plazi.org/id/03D1532200551E4BFCD5553EFE00FC3D" lastPageId="5" lastPageNumber="385" pageId="4" pageNumber="384">
<subSubSection box="[787,1251,1403,1427]" pageId="4" pageNumber="384" type="nomenclature">
<paragraph blockId="4.[787,1436,1403,1517]" box="[787,1251,1403,1427]" pageId="4" pageNumber="384">
<emphasis bold="true" box="[787,806,1403,1427]" pageId="4" pageNumber="384">6.</emphasis>
<taxonomicName ID-CoL="5BL3J" authority="De Wild." authorityName="De Wild. De Wildeman" authorityYear="1929" box="[825,1251,1403,1427]" class="Magnoliopsida" family="Lamiaceae" genus="Vitex" kingdom="Plantae" order="Lamiales" pageId="4" pageNumber="384" phylum="Tracheophyta" rank="species" species="discoideoglandulosa">
<emphasis bold="true" box="[825,1124,1403,1427]" italics="true" pageId="4" pageNumber="384">Vitex discoideoglandulosa</emphasis>
De Wild.
</taxonomicName>
</paragraph>
</subSubSection>
<subSubSection pageId="4" pageNumber="384" type="reference_group">
<paragraph blockId="4.[787,1436,1403,1517]" pageId="4" pageNumber="384">
(
<treatmentCitation author="De Wildeman E." page="10" pageId="4" pageNumber="384" year="1929">
<bibRefCitation author="De Wildeman E." journalOrPublisher="Paris, Lechevalier" pageId="4" pageNumber="384" part="5" refId="ref13190" refString="De Wildeman E. (1929 a) Plantae Bequaertianae 5 (1). Paris, Lechevalier." title="Plantae Bequaertianae" type="book" year="1929">De Wildeman 1929a: 10</bibRefCitation>
</treatmentCitation>
).
</paragraph>
</subSubSection>
<subSubSection pageId="4" pageNumber="384" type="materials_examined">
<paragraph blockId="4.[787,1436,1403,1517]" pageId="4" pageNumber="384">
<materialsCitation accessionNumber="BR0000018421408" collectingDate="1910-05-31" collectorName="Sapin" country="Democratic Republic of the Congo" location="entre Lubue et Bena-Makima" municipality="Kasai" pageId="4" pageNumber="384" specimenCount="1" stateProvince="Kasai" typeStatus="lectotype">
<typeStatus box="[956,1013,1434,1458]" pageId="4" pageNumber="384">Type</typeStatus>
:
<collectingCountry box="[1030,1169,1433,1457]" pageId="4" pageNumber="384" value="Democratic Republic of the Congo">D.R. Congo</collectingCountry>
,
<collectingRegion box="[1186,1249,1434,1457]" country="Democratic Republic of the Congo" name="Kasai-Oriental" pageId="4" pageNumber="384">Kasaï</collectingRegion>
, entre
<collectingMunicipality pageId="4" pageNumber="384">Lubue et Bena-Makima</collectingMunicipality>
,
<date box="[958,1076,1463,1487]" pageId="4" pageNumber="384" value="1910-05">
<collectingDate box="[958,1076,1463,1487]" pageId="4" pageNumber="384" value="1910-05">May 1910</collectingDate>
</date>
,
<emphasis box="[1092,1153,1463,1486]" italics="true" pageId="4" pageNumber="384">
<location LSID="urn:lsid:plazi:treatment:03D1532200551E4BFCD5553EFE00FC3D:8EA7B4EF00551E4AFB8255F2FB55FA48" box="[1092,1153,1463,1486]" country="D. R. Congo" municipality="Lubue et Bena-Makima" name="Sapin" pageId="4" pageNumber="384" stateProvince="Kasai">Sapin</location>
</emphasis>
s.n. (lecto-:
<collectionCode box="[1304,1340,1463,1486]" pageId="4" pageNumber="384">BR</collectionCode>
barcode
<collectionCode box="[787,822,1493,1517]" pageId="4" pageNumber="384">BR</collectionCode>
0000018421408,
<emphasis bold="true" box="[1009,1187,1492,1517]" pageId="4" pageNumber="384">designated here</emphasis>
)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection pageId="4" pageNumber="384" type="reference_group">
<paragraph blockId="4.[787,1437,1538,1971]" pageId="4" pageNumber="384">
<treatmentCitationGroup pageId="4" pageNumber="384">
<taxonomicName ID-CoL="5BL59" authority="De Wild." authorityName="De Wild." box="[787,1073,1538,1562]" class="Magnoliopsida" family="Lamiaceae" genus="Vitex" kingdom="Plantae" order="Lamiales" pageId="4" pageNumber="384" phylum="Tracheophyta" rank="species" species="guerkeana">
<emphasis box="[787,963,1538,1562]" italics="true" pageId="4" pageNumber="384">Vitex guerkeana</emphasis>
De Wild.
</taxonomicName>
(
<treatmentCitation author="De Wildeman E." box="[1090,1364,1538,1562]" page="129" pageId="4" pageNumber="384" year="1909">
<bibRefCitation author="De Wildeman E." box="[1090,1364,1538,1562]" journalOrPublisher="Annales du Musee du Congo, Botanique" pageId="4" pageNumber="384" pagination="1 - 147" part="3" refId="ref12801" refString="De Wildeman E. (1909) Etudes sur la flore du Bas- et du Moyen- Congo. Annales du Musee du Congo, Botanique, Serie V, vol. 3 (1): 1 - 147." title="Etudes sur la flore du Bas- et du Moyen- Congo" type="journal article" year="1909">De Wildeman 1909: 129</bibRefCitation>
</treatmentCitation>
) nom. illeg. non
<taxonomicName authority="Hiern." box="[894,1141,1567,1591]" class="Magnoliopsida" family="Lamiaceae" genus="Vitex" kingdom="Plantae" order="Lamiales" pageId="4" pageNumber="384" phylum="Tracheophyta" rank="species" species="guerkeana">
<emphasis box="[894,1067,1567,1591]" italics="true" pageId="4" pageNumber="384">Vitex guerkeana</emphasis>
Hiern.
</taxonomicName>
</treatmentCitationGroup>
</paragraph>
</subSubSection>
<subSubSection pageId="4" pageNumber="384" type="description">
<paragraph blockId="4.[787,1437,1538,1971]" pageId="4" pageNumber="384">
Alianescent shrub. Twigs solid, not myrmecophilous, pubescent. Leaflets 5, petiolulate, lamina pubescent on both surfaces. Inflorescence of thyrses, grouped in a terminal panicle. Flowers whitish. Fruit globose, brownish, c.
<quantity box="[1316,1380,1694,1718]" metricMagnitude="-3" metricUnit="m" metricValue="5.0" pageId="4" pageNumber="384" unit="mm" value="5.0">5 mm</quantity>
, subtended by the patelliform calyx.
</paragraph>
</subSubSection>
<subSubSection box="[787,1217,1761,1785]" pageId="4" pageNumber="384" type="distribution">
<paragraph blockId="4.[787,1437,1538,1971]" box="[787,1217,1761,1785]" pageId="4" pageNumber="384">
<emphasis bold="true" box="[787,926,1761,1785]" pageId="4" pageNumber="384">Distribution</emphasis>
Endemic to D.R. Congo.
</paragraph>
</subSubSection>
<subSubSection lastPageId="5" lastPageNumber="385" pageId="4" pageNumber="384" type="discussion">
<paragraph blockId="4.[787,1437,1538,1971]" lastBlockId="5.[151,801,599,955]" lastPageId="5" lastPageNumber="385" pageId="4" pageNumber="384">
<emphasis bold="true" box="[787,840,1799,1823]" pageId="4" pageNumber="384">Note</emphasis>
<taxonomicName authorityName="De Wild. De Wildeman" authorityYear="1929" box="[871,1120,1798,1822]" class="Magnoliopsida" family="Lamiaceae" genus="Vitex" kingdom="Plantae" order="Lamiales" pageId="4" pageNumber="384" phylum="Tracheophyta" rank="species" species="discoideoglandulosa">
<emphasis box="[871,1120,1798,1822]" italics="true" pageId="4" pageNumber="384">V. discoideoglandulosa</emphasis>
</taxonomicName>
is a member of the complex of
<emphasis box="[820,1120,1828,1852]" italics="true" pageId="4" pageNumber="384">
V. thyrsiflora-V.
<taxonomicName box="[1000,1120,1828,1852]" class="Magnoliopsida" family="Lamiaceae" genus="Vitex" kingdom="Plantae" order="Lamiales" pageId="4" pageNumber="384" phylum="Tracheophyta" rank="species" species="buchananii">buchananii</taxonomicName>
</emphasis>
, characterised by a thyrsoid inflorescence, more or less lianescent habit and small globose fruits (section
<emphasis box="[1009,1127,1888,1912]" italics="true" pageId="4" pageNumber="384">Terminales</emphasis>
W.Piep.).
<bibRefCitation author="Pieper W." bookContentInfo="XIII tables" box="[1246,1396,1888,1912]" journalOrPublisher="Botanische Jahrbucher fur Systematik, Pflanzengeschichte und Pflanzenge- ographie" pageId="4" pageNumber="384" pagination="1 - 91" part="142" refId="ref14553" refString="Pieper W. (1928) Vorarbeiten zu einer Revision der afrikanischen Vitex - Arten mit Berucksichtigung der ubrigen. Botanische Jahrbucher fur Systematik, Pflanzengeschichte und Pflanzenge- ographie 62, Beibl. 141 (&quot; 142 &quot;): 1 - 91 (+ XIII tables)." title="Vorarbeiten zu einer Revision der afrikanischen Vitex - Arten mit Berucksichtigung der ubrigen" type="book chapter" year="1928">Pieper (1928)</bibRefCitation>
regarded it as a synonym of
<taxonomicName authority="Gurke" authorityName="Gurke" box="[1066,1262,1917,1941]" class="Magnoliopsida" family="Lamiaceae" genus="Vitex" kingdom="Plantae" order="Lamiales" pageId="4" pageNumber="384" phylum="Tracheophyta" rank="species" species="volkensii">
<emphasis box="[1066,1187,1917,1941]" italics="true" pageId="4" pageNumber="384">V. volkensii</emphasis>
Gürke
</taxonomicName>
, an East African plant now synonymized with
<taxonomicName box="[1101,1247,1947,1971]" class="Magnoliopsida" family="Lamiaceae" genus="Vitex" kingdom="Plantae" order="Lamiales" pageId="4" pageNumber="384" phylum="Tracheophyta" rank="species" species="buchananii">
<emphasis box="[1101,1247,1947,1971]" italics="true" pageId="4" pageNumber="384">V. buchananii</emphasis>
</taxonomicName>
. However,
<emphasis italics="true" lastPageId="5" lastPageNumber="385" pageId="4" pageNumber="384">V. discoideoglandulosa</emphasis>
lacks the diagnostic trait of
<taxonomicName box="[648,794,599,623]" class="Magnoliopsida" family="Lamiaceae" genus="Vitex" kingdom="Plantae" order="Lamiales" pageId="5" pageNumber="385" phylum="Tracheophyta" rank="species" species="buchananii">
<emphasis box="[648,794,599,623]" italics="true" pageId="5" pageNumber="385">V. buchananii</emphasis>
</taxonomicName>
, i.e. the golden-yellow glandulose outer fruit layer exfoliating at maturity. It is undoubtedly a distinct species.
<tableCitation box="[661,740,664,688]" captionStart="Table 1" captionStartId="5.[151,207,189,210]" captionTargetPageId="5" captionText="Table 1 Trait comparison of V. discoideoglandulosa, V. thyrsiflora and V. buchananii in D.R. Congo." httpUri="http://table.plazi.org/id/DF07B2BC00541E4BFF5150F8FB46FF55" pageId="5" pageNumber="385" tableUuid="DF07B2BC00541E4BFF5150F8FB46FF55">Table 1</tableCitation>
summarizes the differences between the three species.
</paragraph>
<caption ID-Table-UUID="DF07B2BC00541E4BFF5150F8FB46FF55" box="[151,1170,189,211]" httpUri="http://table.plazi.org/id/DF07B2BC00541E4BFF5150F8FB46FF55" pageId="5" pageNumber="385" startId="5.[151,207,189,210]" targetBox="[159,1450,252,541]" targetIsTable="true" targetPageId="5">
<paragraph blockId="5.[151,1491,76,211]" box="[151,1170,189,211]" pageId="5" pageNumber="385">
Table 1 Trait comparison of
<emphasis bold="true" box="[458,825,189,211]" italics="true" pageId="5" pageNumber="385">
<taxonomicName authorityName="De Wild. De Wildeman" authorityYear="1929" box="[458,685,189,211]" class="Magnoliopsida" family="Lamiaceae" genus="Vitex" kingdom="Plantae" order="Lamiales" pageId="5" pageNumber="385" phylum="Tracheophyta" rank="species" species="discoideoglandulosa">V. discoideoglandulosa</taxonomicName>
,
<taxonomicName box="[697,825,189,211]" class="Magnoliopsida" family="Lamiaceae" genus="Vitex" kingdom="Plantae" order="Lamiales" pageId="5" pageNumber="385" phylum="Tracheophyta" rank="species" species="thyrsiflora">V. thyrsiflora</taxonomicName>
</emphasis>
and
<taxonomicName box="[875,1013,189,211]" class="Magnoliopsida" family="Lamiaceae" genus="Vitex" kingdom="Plantae" order="Lamiales" pageId="5" pageNumber="385" phylum="Tracheophyta" rank="species" species="buchananii">
<emphasis bold="true" box="[875,1013,189,211]" italics="true" pageId="5" pageNumber="385">V. buchananii</emphasis>
</taxonomicName>
in D.R. Congo.
</paragraph>
</caption>
<paragraph pageId="5" pageNumber="385">
<table box="[159,1450,252,541]" gridcols="4" gridrows="5" pageId="5" pageNumber="385">
<tr box="[159,1450,252,274]" gridrow="0" pageId="5" pageNumber="385" rowspan-0="1">
<th box="[340,676,252,274]" gridcol="1" gridrow="0" pageId="5" pageNumber="385">
<taxonomicName authorityName="De Wild. De Wildeman" authorityYear="1929" box="[340,566,252,274]" class="Magnoliopsida" family="Lamiaceae" genus="Vitex" kingdom="Plantae" order="Lamiales" pageId="5" pageNumber="385" phylum="Tracheophyta" rank="species" species="discoideoglandulosa">
<emphasis bold="true" box="[340,566,252,274]" italics="true" pageId="5" pageNumber="385">V. discoideoglandulosa</emphasis>
</taxonomicName>
</th>
<th box="[726,1052,252,274]" gridcol="2" gridrow="0" pageId="5" pageNumber="385">
<taxonomicName box="[726,854,252,274]" class="Magnoliopsida" family="Lamiaceae" genus="Vitex" kingdom="Plantae" order="Lamiales" pageId="5" pageNumber="385" phylum="Tracheophyta" rank="species" species="thyrsiflora">
<emphasis bold="true" box="[726,854,252,274]" italics="true" pageId="5" pageNumber="385">V. thyrsiflora</emphasis>
</taxonomicName>
</th>
<th box="[1111,1450,252,274]" gridcol="3" gridrow="0" pageId="5" pageNumber="385">
<emphasis bold="true" box="[1111,1249,252,274]" italics="true" pageId="5" pageNumber="385">V. buchananii</emphasis>
</th>
</tr>
<tr box="[159,1450,298,374]" gridrow="1" pageId="5" pageNumber="385">
<th box="[159,313,298,374]" gridcol="0" gridrow="1" pageId="5" pageNumber="385">Young branches</th>
<td box="[340,676,298,374]" gridcol="1" gridrow="1" pageId="5" pageNumber="385">persistently pubescent, soon terete, solid, not myrmecophilous</td>
<td box="[726,1052,298,374]" gridcol="2" gridrow="1" pageId="5" pageNumber="385">puberulent, soon glabrescent, persistently quadrangular, hollow, myrmecophilous</td>
<td box="[1111,1450,298,374]" gridcol="3" gridrow="1" pageId="5" pageNumber="385">persistently pubescent, soon terete, solid, not myrmecophilous</td>
</tr>
<tr box="[159,1450,384,433]" gridrow="2" pageId="5" pageNumber="385">
<th box="[159,313,384,433]" gridcol="0" gridrow="2" pageId="5" pageNumber="385">Leaflets</th>
<td box="[340,676,384,433]" gridcol="1" gridrow="2" pageId="5" pageNumber="385">pubescent on both surfaces</td>
<td box="[726,1052,384,433]" gridcol="2" gridrow="2" pageId="5" pageNumber="385">glabrous to puberulent on nerves; upper surface scabrid</td>
<td box="[1111,1450,384,433]" gridcol="3" gridrow="2" pageId="5" pageNumber="385">pubescent on both surfaces</td>
</tr>
<tr box="[159,1450,445,494]" gridrow="3" pageId="5" pageNumber="385">
<th box="[159,313,445,494]" gridcol="0" gridrow="3" pageId="5" pageNumber="385">Fruit</th>
<td box="[340,676,445,494]" gridcol="1" gridrow="3" pageId="5" pageNumber="385">brown, without outer layer</td>
<td box="[726,1052,445,494]" gridcol="2" gridrow="3" pageId="5" pageNumber="385">brown, without outer layer</td>
<td box="[1111,1450,445,494]" gridcol="3" gridrow="3" pageId="5" pageNumber="385">with golden-yellow glandular outer layer</td>
</tr>
<tr box="[159,1450,519,541]" gridrow="4" pageId="5" pageNumber="385">
<th box="[159,313,519,541]" gridcol="0" gridrow="4" pageId="5" pageNumber="385">Fruiting calyx</th>
<td box="[340,676,519,541]" gridcol="1" gridrow="4" pageId="5" pageNumber="385">patelliform</td>
<td box="[726,1052,519,541]" gridcol="2" gridrow="4" pageId="5" pageNumber="385">patelliform</td>
<td box="[1111,1450,519,541]" gridcol="3" gridrow="4" pageId="5" pageNumber="385">cupuliform, clasping fruit base</td>
</tr>
</table>
</paragraph>
<paragraph blockId="5.[151,801,599,955]" pageId="5" pageNumber="385">
Lectotypification of
<taxonomicName authority="De Wild. De Wildeman (1929 a)" authorityName="De Wild. De Wildeman" authorityYear="1929" class="Magnoliopsida" family="Lamiaceae" genus="Vitex" kingdom="Plantae" order="Lamiales" pageId="5" pageNumber="385" phylum="Tracheophyta" rank="species" species="discoideoglandulosa">
<emphasis box="[411,694,736,760]" italics="true" pageId="5" pageNumber="385">Vitex discoideoglandulosa</emphasis>
De Wild.
<bibRefCitation author="De Wildeman E." box="[153,389,769,793]" journalOrPublisher="Paris, Lechevalier" pageId="5" pageNumber="385" part="5" refId="ref13190" refString="De Wildeman E. (1929 a) Plantae Bequaertianae 5 (1). Paris, Lechevalier." title="Plantae Bequaertianae" type="book" year="1929">De Wildeman (1929a)</bibRefCitation>
</taxonomicName>
cited
<specimenCount box="[452,582,769,793]" pageId="5" pageNumber="385" type="generic" typeStatus="syntypes">six syntypes</specimenCount>
(
<emphasis box="[595,702,769,793]" italics="true" pageId="5" pageNumber="385">Claessens</emphasis>
s.n.,
<emphasis italics="true" pageId="5" pageNumber="385">Gillet</emphasis>
1973,
<emphasis box="[254,315,801,825]" italics="true" pageId="5" pageNumber="385">Gillet</emphasis>
s.n. (coll. 1901),
<emphasis box="[506,567,801,825]" italics="true" pageId="5" pageNumber="385">Gillet</emphasis>
s.n. (coll. 1902),
<emphasis italics="true" pageId="5" pageNumber="385">Gillet</emphasis>
s.n. (coll. 1926),
<emphasis box="[376,437,834,857]" italics="true" pageId="5" pageNumber="385">Sapin</emphasis>
s.n.), corresponding to six sheets in BR. The only specimen with fruits is selected as the
<typeStatus pageId="5" pageNumber="385">lectotype</typeStatus>
, because the characters of the fruits are discriminant with respect to
<taxonomicName box="[315,461,931,955]" class="Magnoliopsida" family="Lamiaceae" genus="Vitex" kingdom="Plantae" order="Lamiales" pageId="5" pageNumber="385" phylum="Tracheophyta" rank="species" species="buchananii">
<emphasis box="[315,461,931,955]" italics="true" pageId="5" pageNumber="385">V. buchananii</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
</treatment>
</document>