treatments-xml/data/2A/5C/87/2A5C87833D79251CFFC8D01CFB2B082D.xml

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<mods:title id="E2E554A6FE45EE46A74BAD9D0C4C832A">Four new species of Sabicea (Rubiaceae) from tropical Africa, with additional notes on the genus</mods:title>
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<treatment id="2A5C87833D79251CFFC8D01CFB2B082D" ID-DOI="http://doi.org/10.5281/zenodo.6315242" ID-GBIF-Taxon="193579987" ID-Zenodo-Dep="6315242" LSID="urn:lsid:plazi:treatment:2A5C87833D79251CFFC8D01CFB2B082D" httpUri="http://treatment.plazi.org/id/2A5C87833D79251CFFC8D01CFB2B082D" lastPageId="7" lastPageNumber="284" pageId="5" pageNumber="282">
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<taxonomicName id="65F54D163D79251EFFC8D01CFD1F09F3" ID-CoL="8Y97Z" authority="Zemagho, O. Lachenaud &amp; Sonke" authorityName="Zemagho, O. Lachenaud &amp; Sonke" authorityYear="2018" box="[113,645,1644,1668]" class="Magnoliopsida" family="Rubiaceae" genus="Sabicea" kingdom="Plantae" order="Gentianales" pageId="5" pageNumber="282" phylum="Tracheophyta" rank="species" species="ezangae" status="sp. nov.">
<emphasis id="9081EA873D79251EFFC8D01CFE8309F3" bold="true" box="[113,281,1644,1668]" italics="true" pageId="5" pageNumber="282">Sabicea ezangae</emphasis>
Zemagho, O. Lachenaud &amp; Sonké
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, 
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(
<figureCitation id="3ACE2A103D79251EFFC3D0FCFF7709D3" box="[122,237,1675,1700]" captionStart="Fig" captionStartId="2.[136,164,1864,1883]" captionTargetBox="[136,1474,276,1841]" captionTargetPageId="2" captionText="Fig. 1. – A. Sabicea desseinii Zemagho, O. Lachenaud &amp; Sonké: inflorescence; B. Sabicea desseinii: immature fruits; C. Sabicea desseinii: mature fruits; D. Sabicea ezangae Zemagho, O. Lachenaud &amp; Sonké: flowering stem; E. Sabicea ezangae: detail of lower leaf surface; F. Sabicea ezangae: inflorescence. [A–B: Texier et al. 1895; C: Sonké &amp; Simo 5004; D–F: Lachenaud et al. 1544] [Photos: A–B: N. Texier; C: B. Sonké; D-F: O. Lachenaud]" figureDoi="http://doi.org/10.5281/zenodo.5724627" httpUri="https://zenodo.org/record/5724627/files/figure.png" pageId="5" pageNumber="282">Fig. 1D–F</figureCitation>
, 
<figureCitation id="3ACE2A103D79251EFF4CD0FCFE9A09D3" box="[245,256,1676,1700]" captionStart="Fig" captionStartId="8.[136,164,1889,1908]" captionTargetBox="[136,1450,248,1810]" captionTargetId="figure-64@8.[190,1443,297,1841]" captionTargetPageId="8" captionText="Fig. 5. – Sabicea ezangae Zemagho, O. Lachenaud &amp; Sonké. A. Flowering stem; B. Detail of lower leaf surface; C. Node and stipules; D. Inflorescence; E. Flower; F. Flower, longitudinal section. [Lachenaud et al. 1544, BR &amp; BRLU] [Drawing: A. Fernandez]" figureDoi="http://doi.org/10.5281/zenodo.6268407" httpUri="https://zenodo.org/record/6268407/files/figure.png" pageId="5" pageNumber="282">5</figureCitation>
).
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<paragraph id="A24A36953D79251EFF2ED0C7FF750839" blockId="5.[151,764,1718,1871]" pageId="5" pageNumber="282">
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<typeStatus id="7D4E88373D79251EFF2ED0C7FEBA09B8" box="[151,288,1719,1743]" pageId="5" pageNumber="282" type="holotype">Holotypus</typeStatus>
: 
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. 
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:
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, 
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, 
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, fl., 
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<collectorName id="0F0053433D79251EFE69D087FDDF0878" box="[464,581,1783,1807]" pageId="5" pageNumber="282">Lachenaud</collectorName>
et al. 1544
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(
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[
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!, 
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!, 
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!, 
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!, 
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!).
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</paragraph>
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<subSubSection id="EAEF651E3D79251DFF2ED112FB290993" lastPageId="6" lastPageNumber="283" pageId="5" pageNumber="282" type="description">
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<emphasis id="9081EA873D79251EFF2ED112FAA80953" italics="true" pageId="5" pageNumber="282">
Inflorescentiis capitatis, axillaribus et involucratis bracteis 4‒8 liberis cinctis bracteolisque carentibus, calyce tubo brevissimo lobisque anguste ovatis, corollae tubo longiore (
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) 
<taxonomicName id="65F54D163D79251EFCFED33CFBDA0A13" authority="Benth." authorityName="Benth." box="[839,1088,1356,1380]" class="Magnoliopsida" family="Rubiaceae" genus="Sabicea" kingdom="Plantae" order="Gentianales" pageId="5" pageNumber="282" phylum="Tracheophyta" rank="species" species="calycinae">Sabicea calycinae Benth.</taxonomicName>
et 
<taxonomicName id="65F54D163D79251EFBE6D33DFB4B0A13" box="[1119,1233,1356,1380]" class="Magnoliopsida" family="Rubiaceae" genus="Sabicea" kingdom="Plantae" order="Gentianales" pageId="5" pageNumber="282" phylum="Tracheophyta" rank="species" species="schaeferi">S. schaeferi</taxonomicName>
<taxonomicName id="65F54D163D79251EFB6ED33CFA180A13" box="[1239,1410,1356,1380]" class="Magnoliopsida" family="Rubiaceae" genus="Wernham" kingdom="Plantae" order="Gentianales" pageId="5" pageNumber="282" phylum="Tracheophyta" rank="species" species="affinis">Wernham affinis</taxonomicName>
, sed differt a primo calyce (4‒)5‒ nec 3(‒4)-lobato, et a secundo capitulis 4‒5 floris (nec 7‒15-floris) pedunculo hirsuto (nec appresse-pubescente). Ab ambabus bracteis et calyce hirsutis (nec glabrescentibus), ovario dense villoso (nec glabro vel sparse appresse-pubescente), foliisque subtus indumento mixto pilis longis erectis et brevibus lanuginosis distinguitur.
</emphasis>
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Twining or creeping 
<emphasis id="9081EA873D79251EFB8AD03CFBF00913" box="[1075,1130,1612,1636]" italics="true" pageId="5" pageNumber="282">liana</emphasis>
, up to 
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tall; young stems cylindrical, 
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thick, with a mixed indumentum of soft patent hairs 
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long and much shorter crispate hairs; older stems with scaling bark. 
<emphasis id="9081EA873D79251EFBC0D0DCFB5109B3" box="[1145,1227,1708,1732]" italics="true" pageId="5" pageNumber="282">Stipules</emphasis>
interpetiolar, ovate, 5.5‒10 × 
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, acute at apex, recurved, villose outside, glabrous inside except at the base, persistent. 
<emphasis id="9081EA873D79251EFABCD09DFAD00873" box="[1285,1354,1773,1796]" italics="true" pageId="5" pageNumber="282">Leaves</emphasis>
opposite and equal; petiole 
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long, with same indumentum as the stems; leaf-blade elliptic, 6‒14 × 
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, rounded at base, acuminate at apex, thinly papyraceous, green on both sides but markedly paler below, drying olive green to olive brown; upper surface sparsely villose with suberect hairs c. 
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long, intermixed with shorter uncinate hairs; lower surface with mixed indumentum of rather sparse short woolly hairs, and long soft hairs 
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long (these mostly on the veins); secondary veins 10‒17 pairs, markedly curved and ascending, eucamptodromous; tertiary veins densely reticulate below, but mostly hidden by the indumentum. 
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axillary, solitary, capitate and involucrate, 4 ‒ 5-flowered; peduncle 
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long, with same indumentum as the stems; bracts 2‒4 pairs, pale green or sometimes pink-tinged, broadly ovate, 11‒17 × 
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, free, acute at apex, outside with mixed indumentum of soft erect hairs 
<quantity id="650D9B703D7A251DFDD7D0DCFD4309B3" box="[622,729,1707,1732]" metricMagnitude="-3" metricUnit="m" metricValue="1.25" metricValueMax="1.5" metricValueMin="1.0" pageId="6" pageNumber="283" unit="mm" value="1.25" valueMax="1.5" valueMin="1.0">1‒1.5 mm</quantity>
long and short crisped hairs, inside sparsely hirsute in the upper half; bracteoles absent. 
<emphasis id="9081EA873D7A251DFE31D09CFE410873" box="[392,475,1772,1796]" italics="true" pageId="6" pageNumber="283">Flowers</emphasis>
(4‒)5-merous, sessile. 
<emphasis id="9081EA873D7A251DFD6CD09CFC880873" box="[725,786,1772,1796]" italics="true" pageId="6" pageNumber="283">Calyx</emphasis>
pale pinkish; tube very short, c. 
<quantity id="650D9B703D7A251DFE62D17CFDB70853" box="[475,557,1804,1828]" metricMagnitude="-4" metricUnit="m" metricValue="5.0" pageId="6" pageNumber="283" unit="mm" value="0.5">0.5 mm</quantity>
long, sparsely hirsute outside, glabrous inside; lobes narrowly ovate to lanceolate, 4.5‒9.5 × 
<quantity id="650D9B703D7A251DFF4BD13CFEC70813" box="[242,349,1867,1892]" metricMagnitude="-3" metricUnit="m" metricValue="2.25" metricValueMax="3.0" metricValueMin="1.5" pageId="6" pageNumber="283" unit="mm" value="2.25" valueMax="3.0" valueMin="1.5">1.5‒3 mm</quantity>
, acute at apex, unequal, erect at anthesis, sparsely villose outside and in the upper half inside, alternating with minute colleters. 
<emphasis id="9081EA873D7A251DFE73D1FCFD8C08D3" box="[458,534,1932,1956]" italics="true" pageId="6" pageNumber="283">Corolla</emphasis>
white; tube 
<quantity id="650D9B703D7A251DFD19D1FCFC8808D3" box="[672,786,1931,1956]" metricMagnitude="-2" metricUnit="m" metricValue="1.7" metricValueMax="1.8" metricValueMin="1.6" pageId="6" pageNumber="283" unit="mm" value="17.0" valueMax="18.0" valueMin="16.0">16‒18 mm</quantity>
long × c. 
<quantity id="650D9B703D7A251DFC2ED31CFC480AF3" box="[919,978,1388,1412]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="6" pageNumber="283" unit="mm" value="1.0">1 mm</quantity>
wide at base and c. 
<quantity id="650D9B703D7A251DFB19D31CFB460AF3" box="[1184,1244,1388,1412]" metricMagnitude="-3" metricUnit="m" metricValue="3.0" pageId="6" pageNumber="283" unit="mm" value="3.0">3 mm</quantity>
at apex, very narrowly infundibuliform, outside sparsely silky-pubescent in the upper half, inside sparsely villose in the upper 2/3rds and with short white hairs c. 
<quantity id="650D9B703D7A251DFC60D3BCFBB50A93" box="[985,1071,1484,1508]" metricMagnitude="-4" metricUnit="m" metricValue="3.0" pageId="6" pageNumber="283" unit="mm" value="0.3">0.3 mm</quantity>
long in the throat; lobes triangular, 1.5‒2 × 
<quantity id="650D9B703D7A251DFC37D39CFC610973" box="[910,1019,1515,1540]" metricMagnitude="-3" metricUnit="m" metricValue="1.75" metricValueMax="2.0" metricValueMin="1.5" pageId="6" pageNumber="283" unit="mm" value="1.75" valueMax="2.0" valueMin="1.5">1.5‒2 mm</quantity>
, reflexed, outside densely silky-pubescent, inside minutely papillose. 
<emphasis id="9081EA873D7A251DFBF7D07DFB380953" box="[1102,1186,1549,1572]" italics="true" pageId="6" pageNumber="283">Stamens</emphasis>
half-exserted, inserted just under the apex of the corolla tube, subsessile; anthers white, c. 2 × 
<quantity id="650D9B703D7A251DFCCED03CFC500913" box="[887,970,1612,1636]" metricMagnitude="-4" metricUnit="m" metricValue="5.0" pageId="6" pageNumber="283" unit="mm" value="0.5">0.5 mm</quantity>
. 
<emphasis id="9081EA873D7A251DFC6DD03DFB8D0913" box="[980,1047,1613,1636]" italics="true" pageId="6" pageNumber="283">Ovary</emphasis>
c. 
<quantity id="650D9B703D7A251DFB8CD03CFB190913" box="[1077,1155,1612,1636]" metricMagnitude="-3" metricUnit="m" metricValue="1.5" pageId="6" pageNumber="283" unit="mm" value="1.5">1.5 mm</quantity>
long, 5-locular, densely villose with stiff hairs c. 
<quantity id="650D9B703D7A251DFC52D01CFBA209F3" box="[1003,1080,1644,1668]" metricMagnitude="-3" metricUnit="m" metricValue="1.5" pageId="6" pageNumber="283" unit="mm" value="1.5">1.5 mm</quantity>
long. 
<emphasis id="9081EA873D7A251DFBCFD01CFB3F09F3" box="[1142,1189,1644,1668]" italics="true" pageId="6" pageNumber="283">Disk</emphasis>
cylindrical, c. 
<quantity id="650D9B703D7A251DFA80D01CFA1009F3" box="[1337,1418,1644,1668]" metricMagnitude="-4" metricUnit="m" metricValue="7.0" pageId="6" pageNumber="283" unit="mm" value="0.7">0.7 mm</quantity>
long, glabrous. 
<emphasis id="9081EA873D7A251DFC24D0FCFC5409D3" box="[925,974,1676,1700]" italics="true" pageId="6" pageNumber="283">Style</emphasis>
5-lobed, included, c. 
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long including the c. 
<quantity id="650D9B703D7A251DFCE8D0DCFC3909B3" box="[849,931,1708,1732]" metricMagnitude="-3" metricUnit="m" metricValue="2.5" pageId="6" pageNumber="283" unit="mm" value="2.5">2.5 mm</quantity>
long linear stigmas, the latter papillose, otherwise glabrous. 
<emphasis id="9081EA873D7A251DFC24D0BDFC460993" box="[925,988,1741,1764]" italics="true" pageId="6" pageNumber="283">Fruits</emphasis>
and 
<emphasis id="9081EA873D7A251DFBA8D0BCFBDA0993" box="[1041,1088,1740,1764]" italics="true" pageId="6" pageNumber="283">seeds</emphasis>
unknown.
</paragraph>
</subSubSection>
<caption id="F68A661D3D7A251DFF30D376FC040A3B" ID-DOI="http://doi.org/10.5281/zenodo.5724631" ID-Zenodo-Dep="5724631" httpUri="https://zenodo.org/record/5724631/files/figure.png" pageId="6" pageNumber="283" startId="6.[137,165,1286,1305]" targetBox="[136,1474,276,1263]" targetPageId="6">
<paragraph id="A24A36953D7A251DFF30D376FC040A3B" blockId="6.[136,1461,1285,1356]" pageId="6" pageNumber="283">
<emphasis id="9081EA873D7A251DFF30D376FF500A6F" bold="true" box="[137,202,1285,1305]" pageId="6" pageNumber="283">Fig. 3. –</emphasis>
Seeds of 
<taxonomicName id="65F54D163D7A251DFE9FD376FE060A6E" box="[294,412,1286,1305]" class="Magnoliopsida" family="Rubiaceae" genus="Sabicea" kingdom="Plantae" order="Gentianales" pageId="6" pageNumber="283" phylum="Tracheophyta" rank="species" species="undetermined">
<emphasis id="9081EA873D7A251DFE9FD376FEF50A6E" box="[294,367,1286,1305]" italics="true" pageId="6" pageNumber="283">Sabicea</emphasis>
spp.
</taxonomicName>
viewed in electron microscopy. 
<emphasis id="9081EA873D7A251DFD79D376FD480A6E" bold="true" box="[704,722,1286,1305]" pageId="6" pageNumber="283">A.</emphasis>
<taxonomicName id="65F54D163D7A251DFD6FD376FB360A6E" authority="Zemagho, O. Lachenaud &amp; Sonke" authorityName="Zemagho, O. Lachenaud &amp; Sonke" box="[726,1196,1286,1305]" class="Magnoliopsida" family="Rubiaceae" genus="Sabicea" kingdom="Plantae" order="Gentianales" pageId="6" pageNumber="283" phylum="Tracheophyta" rank="species" species="desseinii">
<emphasis id="9081EA873D7A251DFD6FD376FCEC0A6E" box="[726,886,1286,1305]" italics="true" pageId="6" pageNumber="283">Sabicea desseinii</emphasis>
Zemagho, O. Lachenaud &amp; Sonké
</taxonomicName>
: entire seed; 
<emphasis id="9081EA873D7A251DFA9CD376FAAD0A6E" bold="true" box="[1317,1335,1286,1305]" pageId="6" pageNumber="283">B.</emphasis>
<emphasis id="9081EA873D7A251DFA82D376FF440A45" italics="true" pageId="6" pageNumber="283">
<taxonomicName id="65F54D163D7A251DFA82D376FF430A45" class="Magnoliopsida" family="Rubiaceae" genus="Sabicea" kingdom="Plantae" order="Gentianales" pageId="6" pageNumber="283" phylum="Tracheophyta" rank="species" species="desseinii">Sabicea desseinii</taxonomicName>
:
</emphasis>
detail of seed surface; 
<emphasis id="9081EA873D7A251DFE0DD36FFE5C0A45" bold="true" box="[436,454,1311,1330]" pageId="6" pageNumber="283">C.</emphasis>
<taxonomicName id="65F54D163D7A251DFE73D36FFC3D0A45" authority="Zemagho, O. Lachenaud &amp; Sonke" authorityName="Zemagho, O. Lachenaud &amp; Sonke" box="[458,935,1311,1330]" class="Magnoliopsida" family="Rubiaceae" genus="Sabicea" kingdom="Plantae" order="Gentianales" pageId="6" pageNumber="283" phylum="Tracheophyta" rank="species" species="jongkindii">
<emphasis id="9081EA873D7A251DFE73D36FFDEB0A45" box="[458,625,1311,1330]" italics="true" pageId="6" pageNumber="283">Sabicea jongkindii</emphasis>
Zemagho, O. Lachenaud &amp; Sonké
</taxonomicName>
: entire seed; 
<emphasis id="9081EA873D7A251DFB99D36FFBA80A45" bold="true" box="[1056,1074,1311,1330]" pageId="6" pageNumber="283">D.</emphasis>
<emphasis id="9081EA873D7A251DFB8ED36FFB780A45" box="[1079,1250,1311,1330]" italics="true" pageId="6" pageNumber="283">
<taxonomicName id="65F54D163D7A251DFB8ED36FFB440A45" box="[1079,1246,1311,1330]" class="Magnoliopsida" family="Rubiaceae" genus="Sabicea" kingdom="Plantae" order="Gentianales" pageId="6" pageNumber="283" phylum="Tracheophyta" rank="species" species="jongkindii">Sabicea jongkindii</taxonomicName>
:
</emphasis>
detail of seed surface. [
<emphasis id="9081EA873D7A251DFF37D349FF2D0A3B" bold="true" box="[142,183,1336,1356]" pageId="6" pageNumber="283">A–B:</emphasis>
<emphasis id="9081EA873D7A251DFF02D349FEF30A3B" box="[187,361,1337,1356]" italics="true" pageId="6" pageNumber="283">J. &amp; A. Raynal 9859</emphasis>
, P; 
<emphasis id="9081EA873D7A251DFE33D349FE2E0A3B" bold="true" box="[394,436,1336,1356]" pageId="6" pageNumber="283">C–D:</emphasis>
<emphasis id="9081EA873D7A251DFE00D349FDE40A3B" box="[441,638,1337,1356]" italics="true" pageId="6" pageNumber="283">Jongkind et al. 12457</emphasis>
, BR] [Photos: I. van der Beeten]
</paragraph>
</caption>
<subSubSection id="EAEF651E3D7A251DFCE7D17CFBF40833" pageId="6" pageNumber="283" type="etymology">
<paragraph id="A24A36953D7A251DFCE7D17CFBF40833" blockId="6.[824,1475,1804,1860]" pageId="6" pageNumber="283">
<emphasis id="9081EA873D7A251DFCE7D17CFC500853" box="[862,970,1804,1828]" italics="true" pageId="6" pageNumber="283">Etymology</emphasis>
. – Named after Lake Ezanga, in the vicinity of which the species was found.
</paragraph>
</subSubSection>
<subSubSection id="EAEF651E3D7A251CFCE7D11CFD7F0A6D" lastPageId="7" lastPageNumber="284" pageId="6" pageNumber="283" type="distribution">
<paragraph id="A24A36953D7A251CFCE7D11CFD7F0A6D" blockId="6.[824,1474,1900,1956]" lastBlockId="7.[113,764,1088,1306]" lastPageId="7" lastPageNumber="284" pageId="6" pageNumber="283">
<emphasis id="9081EA873D7A251DFCE7D11CFB5108F3" box="[862,1227,1900,1924]" italics="true" pageId="6" pageNumber="283">Distribution, ecology and phenology</emphasis>
. – Lower 
<collectingCountry id="DAE276053D7A251DFA83D11CFA1108F3" box="[1338,1419,1900,1924]" name="Guinea-Bissau" pageId="6" pageNumber="283">Guinea</collectingCountry>
subcentre of endemism (WHITE, 1979). Only known from the 
<typeStatus id="7D4E88373D7B251CFFC8D232FF040B2D" box="[113,158,1090,1114]" pageId="7" pageNumber="284">type</typeStatus>
locality in west-central 
<collectingCountry id="DAE276053D7B251CFE2ED232FE7A0B2D" box="[407,480,1090,1114]" name="Gabon" pageId="7" pageNumber="284">Gabon</collectingCountry>
(
<figureCitation id="3ACE2A103D7B251CFE57D232FDB00B2D" box="[494,554,1090,1114]" captionStart="Fig" captionStartId="7.[113,141,987,1006]" captionTargetBox="[113,1447,279,965]" captionTargetId="figure-562@7.[113,1447,276,965]" captionTargetPageId="7" captionText="Fig. 4. – Geographic distribution of Sabicea desseinii Zemagho, O. Lachenaud &amp; Sonké (circles), S. ezangae Zemagho, O. Lachenaud &amp; Sonké (squares), S. jongkindii Zemagho, O. Lachenaud &amp; Sonké (triangles) and S. uniflora Zemagho, O. Lachenaud &amp; Sonké (pentagon)." figureDoi="http://doi.org/10.5281/zenodo.5724633" httpUri="https://zenodo.org/record/5724633/files/figure.png" pageId="7" pageNumber="284">Fig. 4</figureCitation>
), near Lake Ezanga (about 
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south-east of Lambaréné), where a dense population of the species was found growing on a forest edge along a track, not far from a savanna boundary, c. 
<quantity id="650D9B703D7B251CFDF3D2D2FD1A0BCE" box="[586,640,1186,1210]" metricMagnitude="1" metricUnit="m" metricValue="7.0" pageId="7" pageNumber="284" unit="m" value="70.0">70 m</quantity>
in altitude. The species has never been recollected, although special attention was given to 
<taxonomicName id="65F54D163D7B251CFE88D292FE340B8E" box="[305,430,1250,1274]" class="Magnoliopsida" family="Rubiaceae" genus="Sabicea" kingdom="Plantae" order="Gentianales" pageId="7" pageNumber="284" phylum="Tracheophyta" rank="species" species="undetermined">
<emphasis id="9081EA873D7B251CFE88D292FEE70B8D" box="[305,381,1250,1274]" italics="true" pageId="7" pageNumber="284">Sabicea</emphasis>
spp.
</taxonomicName>
during recent botanical inventories in 
<collectingCountry id="DAE276053D7B251CFF76D372FE860A6D" box="[207,284,1282,1306]" name="Gabon" pageId="7" pageNumber="284">Gabon</collectingCountry>
. 
<taxonomicName id="65F54D163D7B251CFE9FD372FE520A6E" box="[294,456,1282,1306]" class="Magnoliopsida" family="Rubiaceae" genus="Sabicea" kingdom="Plantae" order="Gentianales" pageId="7" pageNumber="284" phylum="Tracheophyta" rank="species" species="ezangae">
<emphasis id="9081EA873D7B251CFE9FD372FE520A6E" box="[294,456,1282,1306]" italics="true" pageId="7" pageNumber="284">Sabicea ezangae</emphasis>
</taxonomicName>
is flowering in November.
</paragraph>
</subSubSection>
<caption id="F68A661D3D7B251CFFC8D5ABFD0D0B56" ID-DOI="http://doi.org/10.5281/zenodo.5724633" ID-Zenodo-Dep="5724633" httpUri="https://zenodo.org/record/5724633/files/figure.png" pageId="7" pageNumber="284" startId="7.[113,141,987,1006]" targetBox="[113,1447,279,965]" targetPageId="7">
<paragraph id="A24A36953D7B251CFFC8D5ABFD0D0B56" blockId="7.[113,1136,986,1057]" pageId="7" pageNumber="284">
<emphasis id="9081EA873D7B251CFFC8D5ABFF290C9A" bold="true" box="[113,179,986,1006]" pageId="7" pageNumber="284">Fig. 4. –</emphasis>
Geographic distribution of 
<taxonomicName id="65F54D163D7B251CFE14D5ABFC1B0C99" authority="Zemagho, O. Lachenaud &amp; Sonke" authorityName="Zemagho, O. Lachenaud &amp; Sonke" box="[429,897,987,1006]" class="Magnoliopsida" family="Rubiaceae" genus="Sabicea" kingdom="Plantae" order="Gentianales" pageId="7" pageNumber="284" phylum="Tracheophyta" rank="species" species="desseinii">
<emphasis id="9081EA873D7B251CFE14D5ABFDD60C99" box="[429,588,987,1006]" italics="true" pageId="7" pageNumber="284">Sabicea desseinii</emphasis>
Zemagho, O. Lachenaud &amp; Sonké
</taxonomicName>
(circles), 
<taxonomicName id="65F54D163D7B251CFFC8D585FD930B7F" authority="Zemagho, O. Lachenaud &amp; Sonke" authorityName="Zemagho, O. Lachenaud &amp; Sonke" box="[113,521,1013,1032]" class="Magnoliopsida" family="Rubiaceae" genus="Sabicea" kingdom="Plantae" order="Gentianales" pageId="7" pageNumber="284" phylum="Tracheophyta" rank="species" species="ezangae">
<emphasis id="9081EA873D7B251CFFC8D585FF4E0B7F" box="[113,212,1013,1032]" italics="true" pageId="7" pageNumber="284">S. ezangae</emphasis>
Zemagho, O. Lachenaud &amp; Sonké
</taxonomicName>
(squares), 
<taxonomicName id="65F54D163D7B251CFDD4D585FB8A0B7F" authority="Zemagho, O. Lachenaud &amp; Sonke" authorityName="Zemagho, O. Lachenaud &amp; Sonke" box="[621,1040,1013,1032]" class="Magnoliopsida" family="Rubiaceae" genus="Sabicea" kingdom="Plantae" order="Gentianales" pageId="7" pageNumber="284" phylum="Tracheophyta" rank="species" species="jongkindii">
<emphasis id="9081EA873D7B251CFDD4D585FD460B7F" box="[621,732,1013,1032]" italics="true" pageId="7" pageNumber="284">S. jongkindii</emphasis>
Zemagho, O. Lachenaud &amp; Sonké
</taxonomicName>
(triangles) and 
<taxonomicName id="65F54D163D7B251CFF20D27EFDB00B56" authority="Zemagho, O. Lachenaud &amp; Sonke" authorityName="Zemagho, O. Lachenaud &amp; Sonke" box="[153,554,1038,1057]" class="Magnoliopsida" family="Rubiaceae" genus="Sabicea" kingdom="Plantae" order="Gentianales" pageId="7" pageNumber="284" phylum="Tracheophyta" rank="species" species="uniflora">
<emphasis id="9081EA873D7B251CFF20D27EFF6C0B56" box="[153,246,1038,1057]" italics="true" pageId="7" pageNumber="284">S. uniflora</emphasis>
Zemagho, O. Lachenaud &amp; Sonké
</taxonomicName>
(pentagon).
</paragraph>
</caption>
<subSubSection id="EAEF651E3D7B251CFF2ED332FB1F0B0D" pageId="7" pageNumber="284" type="conservation">
<paragraph id="A24A36953D7B251CFF2ED332FB1F0B0D" blockId="7.[113,764,1346,1914]" lastBlockId="7.[801,1452,1090,1146]" pageId="7" pageNumber="284">
<emphasis id="9081EA873D7B251CFF2ED332FEC50A2E" box="[151,351,1346,1369]" italics="true" pageId="7" pageNumber="284">Conservation status</emphasis>
. – 
<taxonomicName id="65F54D163D7B251CFE39D332FDB90A2E" box="[384,547,1346,1370]" class="Magnoliopsida" family="Rubiaceae" genus="Sabicea" kingdom="Plantae" order="Gentianales" pageId="7" pageNumber="284" phylum="Tracheophyta" rank="species" species="ezangae">
<emphasis id="9081EA873D7B251CFE39D332FDB90A2E" box="[384,547,1346,1370]" italics="true" pageId="7" pageNumber="284">Sabicea ezangae</emphasis>
</taxonomicName>
is endemic to westcentral 
<collectingCountry id="DAE276053D7B251CFF7DD312FE8B0A0D" box="[196,273,1378,1402]" name="Gabon" pageId="7" pageNumber="284">Gabon</collectingCountry>
, and has been collected only once. Its extent of occurence (EOO) is therefore not calculable, and its area of occupancy (AOO) is estimated to be 
<quantity id="650D9B703D7B251CFD8ED3D2FDF50ACD" box="[567,623,1442,1466]" metricMagnitude="3" metricUnit="m" metricValue="4.0" pageId="7" pageNumber="284" unit="km" value="4.0">4 km</quantity>
², within the limit for Critically Endangered status under criterion B2. Its only location is situated in an oil concession, where a dense population occurs on a forest edge along a track. In view of its habitat, the species is likely to be favoured by a limited level of forest clearance, and there is no evidence of a decline. However, any degradation on a larger scale, e.g. for the building of roads or other infrastructures, may affect negatively the extent of quality of habitat, number of locations, number of individuals, and thus AOO and EOO, and the species qualifies for “Critically Endangered” [CR B2ab(i,ii,iii,iv,v)] using the IUCN Red List Categories and Criteria (
<bibRefCitation id="C6644B643D7B251CFD8CD172FD21086D" author="IUCN" box="[565,699,1794,1818]" pageId="7" pageNumber="284" refId="ref11336" refString="IUCN (2012). IUCN Red List Categories and Criteria: Version 3.1. Ed. 2. IUCN Species Survival Commission, Gland &amp; Cambridge." type="book" year="2012">IUCN, 2012</bibRefCitation>
). It is possible that further populations will be found in the future, but so far this has not happened despite specific prospecting efforts. Given its rarity, and the fact that 
<taxonomicName id="65F54D163D7B251CFD8DD112FD49080D" box="[564,723,1890,1914]" class="Magnoliopsida" family="Rubiaceae" genus="Sabicea" kingdom="Plantae" order="Gentianales" pageId="7" pageNumber="284" phylum="Tracheophyta" rank="species" species="undetermined">
<emphasis id="9081EA873D7B251CFD8DD112FD1B080D" box="[564,641,1890,1914]" italics="true" pageId="7" pageNumber="284">Sabicea</emphasis>
species
</taxonomicName>
are generally easy to cultivate, an 
<emphasis id="9081EA873D7B251CFBE0D232FB030B2E" box="[1113,1177,1090,1113]" italics="true" pageId="7" pageNumber="284">ex situ</emphasis>
conservation program for 
<taxonomicName id="65F54D163D7B251CFC98D212FC160B0E" box="[801,908,1122,1145]" class="Magnoliopsida" family="Rubiaceae" genus="Sabicea" kingdom="Plantae" order="Gentianales" pageId="7" pageNumber="284" phylum="Tracheophyta" rank="species" species="ezangae">
<emphasis id="9081EA873D7B251CFC98D212FC160B0E" box="[801,908,1122,1145]" italics="true" pageId="7" pageNumber="284">S. ezangae</emphasis>
</taxonomicName>
may be recommended.
</paragraph>
</subSubSection>
<subSubSection id="EAEF651E3D7B251CFCFED2D2FB2B082D" pageId="7" pageNumber="284" type="discussion">
<paragraph id="A24A36953D7B251CFCFED2D2FAB9094D" blockId="7.[801,1453,1186,1882]" pageId="7" pageNumber="284">
<emphasis id="9081EA873D7B251CFCFED2D2FC190BCE" box="[839,899,1186,1209]" italics="true" pageId="7" pageNumber="284">Notes</emphasis>
. – 
<taxonomicName id="65F54D163D7B251CFC14D2D2FBF90BCE" box="[941,1123,1186,1210]" class="Magnoliopsida" family="Rubiaceae" genus="Sabicea" kingdom="Plantae" order="Gentianales" pageId="7" pageNumber="284" phylum="Tracheophyta" rank="species" species="ezangae">
<emphasis id="9081EA873D7B251CFC14D2D2FBF90BCE" box="[941,1123,1186,1210]" italics="true" pageId="7" pageNumber="284">Sabicea ezangae</emphasis>
</taxonomicName>
resembles both 
<taxonomicName id="65F54D163D7B251CFA94D2D2FC170BAD" authority="Wernham" authorityName="Wernham" class="Magnoliopsida" family="Rubiaceae" genus="Sabicea" kingdom="Plantae" order="Gentianales" pageId="7" pageNumber="284" phylum="Tracheophyta" rank="species" species="schaeferi">
<emphasis id="9081EA873D7B251CFA94D2D2FA310BCD" box="[1325,1451,1186,1210]" italics="true" pageId="7" pageNumber="284">S. schaeferi</emphasis>
Wernham
</taxonomicName>
and 
<taxonomicName id="65F54D163D7B251CFC7BD2B2FBE40BAD" authority="Benth." authorityName="Benth." box="[962,1150,1218,1242]" class="Magnoliopsida" family="Rubiaceae" genus="Sabicea" kingdom="Plantae" order="Gentianales" pageId="7" pageNumber="284" phylum="Tracheophyta" rank="species" species="calycina">
<emphasis id="9081EA873D7B251CFC7BD2B2FBB10BAD" box="[962,1067,1218,1242]" italics="true" pageId="7" pageNumber="284">S. calycina</emphasis>
Benth.
</taxonomicName>
; all three species share capitate inflorescences borne on young stems, with two or more pairs of free involucral bracts, and without bracteoles surrounding the individual flowers; a calyx divided almost to the base in relatively broad lobes; and a relatively long corolla tube for the genus. Their main diagnostic characters are summarised in 
<tableCitation id="EF77032E3D7B251CFC98D3F2FCEA0AED" box="[801,880,1410,1434]" captionStart="Table 2" captionStartId="9.[113,160,1372,1391]" captionTargetBox="[121,1436,1443,1941]" captionTargetId="graphics-695@9.[113,1451,1475,1954]" captionText="Table 2. – Comparison of morphological characters and distribution between Sabicea calycina Benth., S. ezangae Zemagho, O. Lachenaud &amp; Sonké and S. schaeferi Wernham. Characters diagnostic for one species are in bold." httpUri="http://table.plazi.org/id/F68A661D3D752512FFC8D32CFB920AFF" pageId="7" pageNumber="284" tableUuid="F68A661D3D752512FFC8D32CFB920AFF">Table 2</tableCitation>
. The differences between 
<taxonomicName id="65F54D163D7B251CFBC5D3F2FB7F0AEE" box="[1148,1253,1410,1433]" class="Magnoliopsida" family="Rubiaceae" genus="Sabicea" kingdom="Plantae" order="Gentianales" pageId="7" pageNumber="284" phylum="Tracheophyta" rank="species" species="ezangae">
<emphasis id="9081EA873D7B251CFBC5D3F2FB7F0AEE" box="[1148,1253,1410,1433]" italics="true" pageId="7" pageNumber="284">S. ezangae</emphasis>
</taxonomicName>
and 
<taxonomicName id="65F54D163D7B251CFAA0D3F2FA1C0AED" box="[1305,1414,1410,1434]" class="Magnoliopsida" family="Rubiaceae" genus="Sabicea" kingdom="Plantae" order="Gentianales" pageId="7" pageNumber="284" phylum="Tracheophyta" rank="species" species="schaeferi">
<emphasis id="9081EA873D7B251CFAA0D3F2FA1C0AED" box="[1305,1414,1410,1434]" italics="true" pageId="7" pageNumber="284">S. schaeferi</emphasis>
</taxonomicName>
are rather slight, but taking into account their different ecology, it seems appropriate to treat them as separate species. It is not known if there are additional differences in the fruits, since those of 
<taxonomicName id="65F54D163D7B251CFC3BD072FC75096E" box="[898,1007,1538,1561]" class="Magnoliopsida" family="Rubiaceae" genus="Sabicea" kingdom="Plantae" order="Gentianales" pageId="7" pageNumber="284" phylum="Tracheophyta" rank="species" species="ezangae">
<emphasis id="9081EA873D7B251CFC3BD072FC75096E" box="[898,1007,1538,1561]" italics="true" pageId="7" pageNumber="284">S. ezangae</emphasis>
</taxonomicName>
have not been collected, and those of 
<taxonomicName id="65F54D163D7B251CFA21D072FCEC094D" class="Magnoliopsida" family="Rubiaceae" genus="Sabicea" kingdom="Plantae" order="Gentianales" pageId="7" pageNumber="284" phylum="Tracheophyta" rank="species" species="schaeferi">
<emphasis id="9081EA873D7B251CFA21D072FCEC094D" italics="true" pageId="7" pageNumber="284">S. schaeferi</emphasis>
</taxonomicName>
are known in the very young stage only.
</paragraph>
<paragraph id="A24A36953D7B251CFCFED032FC63086D" blockId="7.[801,1453,1186,1882]" pageId="7" pageNumber="284">
There is also some resemblance between 
<taxonomicName id="65F54D163D7B251CFAB5D032FAE0092E" box="[1292,1402,1602,1625]" class="Magnoliopsida" family="Rubiaceae" genus="Sabicea" kingdom="Plantae" order="Gentianales" pageId="7" pageNumber="284" phylum="Tracheophyta" rank="species" species="ezangae">
<emphasis id="9081EA873D7B251CFAB5D032FAE0092E" box="[1292,1402,1602,1625]" italics="true" pageId="7" pageNumber="284">S. ezangae</emphasis>
</taxonomicName>
and 
<taxonomicName id="65F54D163D7B251CFC98D012FC6F090D" authority="Wernham" authorityName="Wernham" box="[801,1013,1634,1658]" class="Magnoliopsida" family="Rubiaceae" genus="Sabicea" kingdom="Plantae" order="Gentianales" pageId="7" pageNumber="284" phylum="Tracheophyta" rank="species" species="gracilis">
<emphasis id="9081EA873D7B251CFC98D012FC18090D" box="[801,898,1634,1658]" italics="true" pageId="7" pageNumber="284">S. gracilis</emphasis>
Wernham
</taxonomicName>
, but the latter has a much shorter corolla tube (c. 
<quantity id="650D9B703D7B251CFCCCD0F2FC2909EE" box="[885,947,1666,1690]" metricMagnitude="-3" metricUnit="m" metricValue="8.0" pageId="7" pageNumber="284" unit="mm" value="8.0">8 mm</quantity>
long vs 
<quantity id="650D9B703D7B251CFBB3D0F1FBCF09ED" box="[1034,1109,1665,1690]" metricMagnitude="-2" metricUnit="m" metricValue="1.6" pageId="7" pageNumber="284" unit="mm" value="16.0">16 mm</quantity>
), calyx lobes and bracts glabrous inside and usually smaller, more strongly discolorous leaves with a dense felt of whitish hairs beneath, and a widely separate range, being restricted to south 
<collectingCountry id="DAE276053D7B251CFB21D092FA92098D" box="[1176,1288,1762,1786]" name="Cameroon" pageId="7" pageNumber="284">Cameroon</collectingCountry>
and 
<collectingCountry id="DAE276053D7B251CFA85D092FCEB086D" name="Equatorial Guinea" pageId="7" pageNumber="284">Equatorial Guinea</collectingCountry>
(
<collectingCountry id="DAE276053D7B251CFCC6D172FC74086D" box="[895,1006,1794,1818]" name="Equatorial Guinea" pageId="7" pageNumber="284">Rio Muni</collectingCountry>
).
</paragraph>
<paragraph id="A24A36953D7B251CFCFED152FB2B082D" blockId="7.[801,1453,1186,1882]" pageId="7" pageNumber="284">It is not known whether this species is heterostylous; only short-styled flowers are known so far.</paragraph>
</subSubSection>
</treatment>
</document>