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<document ID-DOI="http://dx.doi.org/10.5091/plecevo.96359" ID-Pensoft-Pub="2032-3921-1-59" ID-Pensoft-UUID="A3301095CCAD56078E5F4CA25FE7E738" ModsDocID="2032-3921-156-1-59" checkinTime="1677749836928" checkinUser="pensoft" docAuthor="Bidault, Ehoarn, Boupoya, Archange, Ikabanga, Davy U., Nguimbit, Igor, Texier, Nicolas, Rutishauser, Rolf, Mesterhazy, Attila &amp; Stevart, Tariq" docDate="2023" docId="E0C584207063549BBFE3E2DA3A54EF00" docLanguage="en" docName="PlantEcolEvol 156(1): 59-84" docOrigin="Plant Ecology and Evolution 156 (1)" docPubDate="2023-03-01" docSource="http://dx.doi.org/10.5091/plecevo.96359" docTitle="Inversodicraea annithomae Rutish. &amp; Thiv (Thiv et al. 2009" docType="treatment" docVersion="1" id="A3301095CCAD56078E5F4CA25FE7E738" lastPageNumber="59" masterDocId="A3301095CCAD56078E5F4CA25FE7E738" masterDocTitle="Novitates Gabonenses 93: a fresh look at Podostemaceae in Gabon following recent inventories, with a new combination for Ledermanniella nicolasii" masterLastPageNumber="84" masterPageNumber="59" pageNumber="59" updateTime="1677749836928" updateUser="pensoft">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Novitates Gabonenses 93: a fresh look at Podostemaceae in Gabon following recent inventories, with a new combination for Ledermanniella nicolasii</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Bidault, Ehoarn</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-5029-8069</mods:nameIdentifier>
<mods:affiliation>Missouri Botanical Garden, Africa &amp; Madagascar Department, St. Louis, Missouri, USA &amp; Institut de Systematique, Evolution, et Biodiversite (ISYEB), Unite Mixte de Recherche 7205, Centre National de la Recherche Scientifique / Museum National d'Histoire Naturelle / Ecole Pratique des Hautes Etudes, Universite Pierre et Marie Curie, Sorbonne Universites, Paris, France</mods:affiliation>
<mods:nameIdentifier type="email">ehoarn.bidault@mobot.org</mods:nameIdentifier>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Boupoya, Archange</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-8926-8737</mods:nameIdentifier>
<mods:affiliation>Institut de Recherche en Ecologie Tropicale (IRET), Libreville, Gabon &amp; Herbier National du Gabon, Libreville, Gabon</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Ikabanga, Davy U.</mods:namePart>
<mods:affiliation>Laboratoire d'Ecophysiologie et de Biodiversite Vegetale, Departement de Biologie, Faculte des Sciences, Universite des Sciences et Techniques de Masuku (USTM), Franceville, Gabon</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Nguimbit, Igor</mods:namePart>
<mods:affiliation>Laboratoire d'Ecophysiologie et de Biodiversite Vegetale, Departement de Biologie, Faculte des Sciences, Universite des Sciences et Techniques de Masuku (USTM), Franceville, Gabon</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Texier, Nicolas</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-4045-992X</mods:nameIdentifier>
<mods:affiliation>Missouri Botanical Garden, Africa &amp; Madagascar Department, St. Louis, Missouri, USA &amp; Evolutionary Biology and Ecology Unit, Faculte des Sciences, Universite Libre de Bruxelles, Brussels, Belgium</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Rutishauser, Rolf</mods:namePart>
<mods:affiliation>Herbarium et Bibliotheque de Botanique africaine, Universite Libre de Bruxelles, Brussels, Belgium</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Mesterhazy, Attila</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-7952-5990</mods:nameIdentifier>
<mods:affiliation>Department of Systematic and Evolutionary Botany, University of Zurich, Switzerland</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Stevart, Tariq</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-6212-0361</mods:nameIdentifier>
<mods:affiliation>Missouri Botanical Garden, Africa &amp; Madagascar Department, St. Louis, Missouri, USA &amp; Evolutionary Biology and Ecology Unit, Faculte des Sciences, Universite Libre de Bruxelles, Brussels, Belgium &amp; Centre for Ecological Research, Wetland Ecology Research Group, Debrecen, Hungary</mods:affiliation>
</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>2023</mods:date>
<mods:detail type="pubDate">
<mods:number>2023-03-01</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>156</mods:number>
</mods:detail>
<mods:detail type="issue">
<mods:number>1</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>59</mods:start>
<mods:end>84</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location>
<mods:url>http://dx.doi.org/10.5091/plecevo.96359</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.5091/plecevo.96359</mods:identifier>
<mods:identifier type="Pensoft-Pub">2032-3921-1-59</mods:identifier>
<mods:identifier type="Pensoft-UUID">A3301095CCAD56078E5F4CA25FE7E738</mods:identifier>
</mods:mods>
<treatment LSID="urn:lsid:plazi:treatment:E0C584207063549BBFE3E2DA3A54EF00" httpUri="http://treatment.plazi.org/id/E0C584207063549BBFE3E2DA3A54EF00" lastPageNumber="59" pageId="0" pageNumber="59">
<subSubSection pageId="0" pageNumber="59" type="nomenclature">
<paragraph pageId="0" pageNumber="59">
<taxonomicName ID-CoL="3PTG4" ID-ENA="577058" LSID="E0C58420-7063-549B-BFE3-E2DA3A54EF00" authority="(C. Cusset) Rutish. &amp; Thiv (Thiv et al. 2009: 72)" baseAuthorityName="C. Cusset) Rutish. &amp; Thiv (Thiv et al. 2009: 72" class="Magnoliopsida" family="Podostemaceae" genus="Inversodicraea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Inversodicraea annithomae" order="Malpighiales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="species" species="annithomae">Inversodicraea annithomae (C.Cusset) Rutish. &amp; Thiv (Thiv et al. 2009: 72)</taxonomicName>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="59" type="description">
<paragraph pageId="0" pageNumber="59">
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Photographs illustrating a selection of species treated in this paper. A, B. Inversodicraea annithomae (A: Boupoya et al. 2444; B: Boupoya et al. 2689). C. Inversodicraea boumiensis (Boupoya et al. 1748). D, E. Inversodicraea nicolasii (D: Texier et al. 2247; E: Texier et al. 2334). F, G. Inversodicraea paulsitae (Boupoya et al. 1750). H, I. Inversodicraea tenax (H: Boupoya et al. 2432; I: Boupoya et al. 2430). Photographs: Igor Nguimbit (A), Archange Boupoya (B, C, F-I), Nicolas Texier (D, E)." figureDoi="10.5091/plecevo.96359.figure3" httpUri="https://binary.pensoft.net/fig/816313" pageId="0" pageNumber="59">Figs 3A, B</figureCitation>
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Distribution maps of Podostemaceae in Gabon. A. Inversodicraea annithomae (grey circles), I. boumiensis (red diamonds). B. Inversodicraea nicolasii (red diamonds), I. paulsitae (grey circles), I. tenax (orange triangles). C. Inversodicraea thollonii (red diamonds), Ledermanniella bifurcata (grey circles). D. Ledermanniella aloides (grey circles), L. schlechteri (red diamonds)." figureDoi="10.5091/plecevo.96359.figure4" httpUri="https://binary.pensoft.net/fig/816314" pageId="0" pageNumber="59">, 4A</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="59" type="reference_group">
<paragraph pageId="0" pageNumber="59">
<taxonomicName class="Magnoliopsida" family="Podostemaceae" genus="Ledermanniella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ledermanniella annithomae" order="Malpighiales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="species" species="annithomae">Ledermanniella annithomae</taxonomicName>
C.Cusset (
<bibRefCitation author="Cusset, C" journalOrPublisher="Eudicots. Springer, Berlin &amp; Heidelberg" pageId="0" pageNumber="59" publicationUrl="https://biostor.org/reference/247624" refId="B19" refString="Cusset, C, 1983. Contribution a l'etude des Podostemaceae : 7. Ledermanniella Engl. sous-genre Phyllosoma C.Cusset. Bulletin du Museum National d'Histoire Naturelle, Paris, 4e Serie, Section B, Adansonia 5(4): 361-390. https://biostor.org/reference/247624" title="Contribution a l'etude des Podostemaceae: 7. Ledermanniella Engl. sous-genre Phyllosoma C. Cusset. Bulletin du Museum National d'Histoire Naturelle, Paris, 4 e Serie, Section B, Adansonia 5 (4): 361 - 390." url="https://biostor.org/reference/247624" year="1983">Cusset 1983</bibRefCitation>
: 377, plate 6)
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="59" type="materials_examined">
<paragraph pageId="0" pageNumber="59">
<typeStatus>Type</typeStatus>
.
</paragraph>
<paragraph pageId="0" pageNumber="59">
<materialsCitation collectingDate="1966-07-29" collectorName="N. Halle, A. Le Thomas" country="GABON" elevation="165" latitude="-0.09" location="Booue" longLatPrecision="21" longitude="11.933056" specimenCount="1" typeStatus="holotype">
<collectingCountry name="Gabon">GABON</collectingCountry>
•
<normalizedToken originalValue="Booué">
<location LSID="urn:lsid:plazi:treatment:E0C584207063549BBFE3E2DA3A54EF00:9C560564B5A143FCD75A4CF3B65CDDAC" country="GABON" latitude="-0.09" longLatPrecision="21" longitude="11.933056" name="Booue">Booue</location>
</normalizedToken>
;
<collectingDate value="1966-07-29">29 Jul. 1966</collectingDate>
; [
<geoCoordinate degrees="0" direction="south" minutes="05" orientation="latitude" precision="15" seconds="24" value="-0.09">
0°05
<normalizedToken originalValue="’24”">'24&quot;</normalizedToken>
S
</geoCoordinate>
,
<geoCoordinate degrees="11" direction="east" minutes="55" orientation="longitude" precision="15" seconds="59" value="11.933056">
11°55
<normalizedToken originalValue="’59”">'59&quot;</normalizedToken>
E
</geoCoordinate>
];
<quantity metricMagnitude="2" metricUnit="m" metricValue="1.65" unit="m" value="165.0">
<elevation metricMagnitude="2" metricUnit="m" metricValue="1.65" unit="m" value="165.0">165 m</elevation>
</quantity>
; fl., fr.;
<emphasis italics="true" pageId="0" pageNumber="59">
<collectorName>
N.
<normalizedToken originalValue="Hallé">Halle</normalizedToken>
</collectorName>
&amp;
<collectorName>A. Le Thomas</collectorName>
206
</emphasis>
;
<typeStatus>holotype</typeStatus>
: P [P00179254]
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="59" type="distribution">
<paragraph pageId="0" pageNumber="59">Distribution.</paragraph>
<paragraph pageId="0" pageNumber="59">
Gabon, Republic of the Congo. Before 2017, this species was only known from two collections: the type collected in 1966 at
<normalizedToken originalValue="Booué">Booue</normalizedToken>
in the
<normalizedToken originalValue="Ogooué">Ogooue</normalizedToken>
river in Gabon, and a collection made by Sita at the Mandoro rapids in the Republic of the Congo, in a tributary of the Kouilou river. Between 2018 and 2020, six collections were made, and its presence was confirmed at
<normalizedToken originalValue="Booué">Booue</normalizedToken>
. It was also discovered at another site in the
<normalizedToken originalValue="Ogooué">Ogooue</normalizedToken>
, the Poubara falls, and it is therefore probably present elsewhere on the
<normalizedToken originalValue="Ogooué">Ogooue</normalizedToken>
river, though it has not yet been collected at several other visited sites along the river. One collection is also known from the Okano river, a tributary of the
<normalizedToken originalValue="Ogooué">Ogooue</normalizedToken>
. The collection by Sita was determined by Colette Cusset in 1998, but since the P (P00179255) specimen shows stems branched multiple times, it was mentioned as doubtful in the synoptic revision of the genus (
<bibRefCitation DOI="https://doi.org/10.3767/blumea.2017.62.02.07" author="Cheek, M" journalOrPublisher="Blumea" pageId="0" pageNumber="59" pagination="125 - 156" refId="B11" refString="Cheek, M, Feika, A, Lebbie, A, Goyder, D, Tchiengue, B, Sene, O, Tchouto, P, van der Burgt, XM, 2017. A synoptic revision of Inversodicraea (Podostemaceae). Blumea 62 (2): 125 - 156, DOI: https://doi.org/10.3767/blumea.2017.62.02.07" title="A synoptic revision of Inversodicraea (Podostemaceae)." url="https://doi.org/10.3767/blumea.2017.62.02.07" volume="62" year="2017">Cheek et al. 2017</bibRefCitation>
), though not providing a different determination since they did not observe the specimen.
<bibRefCitation DOI="https://doi.org/10.3767/blumea.2017.62.02.07" author="Cheek, M" journalOrPublisher="Blumea" pageId="0" pageNumber="59" pagination="125 - 156" refId="B11" refString="Cheek, M, Feika, A, Lebbie, A, Goyder, D, Tchiengue, B, Sene, O, Tchouto, P, van der Burgt, XM, 2017. A synoptic revision of Inversodicraea (Podostemaceae). Blumea 62 (2): 125 - 156, DOI: https://doi.org/10.3767/blumea.2017.62.02.07" title="A synoptic revision of Inversodicraea (Podostemaceae)." url="https://doi.org/10.3767/blumea.2017.62.02.07" volume="62" year="2017">Cheek et al. (2017)</bibRefCitation>
also described
<taxonomicName class="Magnoliopsida" family="Podostemaceae" genus="Inversodicraea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Inversodicraea tchoutoi" order="Malpighiales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="species" species="tchoutoi">
<emphasis italics="true" pageId="0" pageNumber="59">Inversodicraea tchoutoi</emphasis>
</taxonomicName>
Cheek, to which they associate the collection
<emphasis italics="true" pageId="0" pageNumber="59">Letouzey 10299</emphasis>
, initially determined as
<taxonomicName class="Magnoliopsida" family="Podostemaceae" kingdom="Plantae" lsidName="I. annithomae" order="Malpighiales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="species" species="annithomae">
<emphasis italics="true" pageId="0" pageNumber="59">I. annithomae</emphasis>
</taxonomicName>
by Cusset.
<bibRefCitation DOI="https://doi.org/10.3767/blumea.2017.62.02.07" author="Cheek, M" journalOrPublisher="Blumea" pageId="0" pageNumber="59" pagination="125 - 156" refId="B11" refString="Cheek, M, Feika, A, Lebbie, A, Goyder, D, Tchiengue, B, Sene, O, Tchouto, P, van der Burgt, XM, 2017. A synoptic revision of Inversodicraea (Podostemaceae). Blumea 62 (2): 125 - 156, DOI: https://doi.org/10.3767/blumea.2017.62.02.07" title="A synoptic revision of Inversodicraea (Podostemaceae)." url="https://doi.org/10.3767/blumea.2017.62.02.07" volume="62" year="2017">Cheek et al. (2017)</bibRefCitation>
hence consider
<taxonomicName class="Magnoliopsida" family="Podostemaceae" kingdom="Plantae" lsidName="I. annithomae" order="Malpighiales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="species" species="annithomae">
<emphasis italics="true" pageId="0" pageNumber="59">I. annithomae</emphasis>
</taxonomicName>
as a species endemic to the
<normalizedToken originalValue="Booué">Booue</normalizedToken>
rapids. Since recently collected material revealed morphological variability in
<taxonomicName class="Magnoliopsida" family="Podostemaceae" kingdom="Plantae" lsidName="I. annithomae" order="Malpighiales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="species" species="annithomae">
<emphasis italics="true" pageId="0" pageNumber="59">I. annithomae</emphasis>
</taxonomicName>
(see Notes), we chose to stick with
<normalizedToken originalValue="Cusset’s">Cusset's</normalizedToken>
determination of the Sita collection, and to consider this species as present in the Republic of the Congo. Moreover, since this species was found at Poubara (only ca 150 km away from
<normalizedToken originalValue="Sita’s">Sita's</normalizedToken>
collection site), it is also probably present in the
<normalizedToken originalValue="Ogooué">Ogooue</normalizedToken>
river upstream of Poubara, where rapids are present only ca 100 km away from the Sita collection site.
</paragraph>
<caption doi="10.5091/plecevo.96359.figure3" httpUri="https://binary.pensoft.net/fig/816313" pageId="0" pageNumber="59" start="Figure 3" startId="F3">
<paragraph pageId="0" pageNumber="59">
<emphasis bold="true" pageId="0" pageNumber="59">Figure 3.</emphasis>
Photographs illustrating a selection of species treated in this paper.
<emphasis bold="true" pageId="0" pageNumber="59">A</emphasis>
,
<emphasis bold="true" pageId="0" pageNumber="59">B</emphasis>
.
<taxonomicName class="Magnoliopsida" family="Podostemaceae" genus="Inversodicraea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Inversodicraea annithomae" order="Malpighiales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="species" species="annithomae">
<emphasis italics="true" pageId="0" pageNumber="59">Inversodicraea annithomae</emphasis>
</taxonomicName>
(A:
<emphasis italics="true" pageId="0" pageNumber="59">Boupoya et al. 2444</emphasis>
; B:
<emphasis italics="true" pageId="0" pageNumber="59">Boupoya et al. 2689</emphasis>
).
<emphasis bold="true" pageId="0" pageNumber="59">C</emphasis>
.
<taxonomicName authorityName="Cheek (Cheek and Haba" authorityYear="2016" baseAuthorityName="C. Cusset" class="Magnoliopsida" family="Podostemaceae" genus="Inversodicraea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Inversodicraea boumiensis" order="Malpighiales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="species" species="boumiensis">
<emphasis italics="true" pageId="0" pageNumber="59">Inversodicraea boumiensis</emphasis>
</taxonomicName>
(
<emphasis italics="true" pageId="0" pageNumber="59">Boupoya et al. 1748</emphasis>
).
<emphasis bold="true" pageId="0" pageNumber="59">D</emphasis>
,
<emphasis bold="true" pageId="0" pageNumber="59">E</emphasis>
.
<taxonomicName authorityName="E. Bidault, Rutish. &amp; Mesterhazy" authorityYear="2023" baseAuthorityName="Bidault &amp; Boupoya &amp; Ikabanga &amp; Nguimbit &amp; Texier &amp; Rutishauser &amp; Mesterházy &amp; Stévart" baseAuthorityYear="2023" class="Magnoliopsida" family="Podostemaceae" genus="Inversodicraea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Inversodicraea nicolasii" order="Malpighiales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="species" species="nicolasii">
<emphasis italics="true" pageId="0" pageNumber="59">Inversodicraea nicolasii</emphasis>
</taxonomicName>
(D:
<emphasis italics="true" pageId="0" pageNumber="59">Texier et al. 2247</emphasis>
; E:
<emphasis italics="true" pageId="0" pageNumber="59">Texier et al. 2334</emphasis>
).
<emphasis bold="true" pageId="0" pageNumber="59">F</emphasis>
,
<emphasis bold="true" pageId="0" pageNumber="59">G</emphasis>
.
<taxonomicName authorityName="Cheek (Cheek and Haba" authorityYear="2016" baseAuthorityName="C. Cusset" class="Magnoliopsida" family="Podostemaceae" genus="Inversodicraea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Inversodicraea paulsitae" order="Malpighiales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="species" species="paulsitae">
<emphasis italics="true" pageId="0" pageNumber="59">Inversodicraea paulsitae</emphasis>
</taxonomicName>
(
<emphasis italics="true" pageId="0" pageNumber="59">Boupoya et al. 1750</emphasis>
).
<emphasis bold="true" pageId="0" pageNumber="59">H</emphasis>
,
<emphasis bold="true" pageId="0" pageNumber="59">I</emphasis>
.
<taxonomicName authorityName="Engl. ex R. E. Fr. (Fries and Rosen" authorityYear="1914" baseAuthorityName="C. H. Wright" class="Magnoliopsida" family="Podostemaceae" genus="Inversodicraea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Inversodicraea tenax" order="Malpighiales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="species" species="tenax">
<emphasis italics="true" pageId="0" pageNumber="59">Inversodicraea tenax</emphasis>
</taxonomicName>
(H:
<emphasis italics="true" pageId="0" pageNumber="59">Boupoya et al. 2432</emphasis>
; I:
<emphasis italics="true" pageId="0" pageNumber="59">Boupoya et al. 2430</emphasis>
). Photographs: Igor Nguimbit (A), Archange Boupoya (B, C, F-I), Nicolas Texier (D, E).
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="59" type="habitat">
<paragraph pageId="0" pageNumber="59">Habitat and ecology.</paragraph>
<paragraph pageId="0" pageNumber="59">Rapids and falls in rivers from ca 90 to 410 m wide, 160-400 m in elevation. It appears to be quite rare at the sites where it has been encountered. Flowers and fruits were collected in July and August, and fruits in September. It is mostly found in micro-habitats submitted to strong currents, but can also be found in slower-running water.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="59" type="notes">
<paragraph pageId="0" pageNumber="59">Notes.</paragraph>
<paragraph pageId="0" pageNumber="59">
Recent collections revealed a strong morphological variability: the collection
<emphasis italics="true" pageId="0" pageNumber="59">Boupoya et al. 2698</emphasis>
shows cable-like horizontal stems more than 5 mm thick and up to 30 cm long, sparsely covered by scale-leaves, and bearing axillary, short flowering shoots abundantly covered by scale-leaves, while the collection
<emphasis italics="true" pageId="0" pageNumber="59">Boupoya et al. 2684</emphasis>
shows upright flowering shoots of up to 2 cm long, with stems up to 1.5 mm in diameter, abundantly covered by scale-leaves, and attached to a ribbon-like root. Intermediate forms were also collected (
<emphasis italics="true" pageId="0" pageNumber="59">Boupoya et al. 2672</emphasis>
and
<emphasis italics="true" pageId="0" pageNumber="59">2682</emphasis>
), showing typical features of
<taxonomicName class="Magnoliopsida" family="Podostemaceae" kingdom="Plantae" lsidName="I. annithomae" order="Malpighiales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="species" species="annithomae">
<emphasis italics="true" pageId="0" pageNumber="59">I. annithomae</emphasis>
</taxonomicName>
, but with upright to horizontal shoots up to 5 cm long and 3 mm thick, still covered by scale-leaves on ca 50-60% of their surface. The three forms (small and upright, medium and upright to horizontal, large and horizontal) may be developmental stages as well as environmental modifications, but more precise field observations and habitat characterization is needed to explain this morphological variability. The morphological variability of
<taxonomicName class="Magnoliopsida" family="Podostemaceae" kingdom="Plantae" lsidName="I. annithomae" order="Malpighiales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="species" species="annithomae">
<emphasis italics="true" pageId="0" pageNumber="59">I. annithomae</emphasis>
</taxonomicName>
was previously indirectly postulated by Cusset, who determined the sterile specimen
<emphasis italics="true" pageId="0" pageNumber="59">Letouzey 10299</emphasis>
as
<taxonomicName class="Magnoliopsida" family="Podostemaceae" kingdom="Plantae" lsidName="I. annithomae" order="Malpighiales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="species" species="annithomae">
<emphasis italics="true" pageId="0" pageNumber="59">I. annithomae</emphasis>
</taxonomicName>
, probably considering that the absence of long, flexible flowering stems (as for the typical form of the species) was the result of a juvenile stage (
<bibRefCitation DOI="https://doi.org/10.3767/blumea.2017.62.02.07" author="Cheek, M" journalOrPublisher="Blumea" pageId="0" pageNumber="59" pagination="125 - 156" refId="B11" refString="Cheek, M, Feika, A, Lebbie, A, Goyder, D, Tchiengue, B, Sene, O, Tchouto, P, van der Burgt, XM, 2017. A synoptic revision of Inversodicraea (Podostemaceae). Blumea 62 (2): 125 - 156, DOI: https://doi.org/10.3767/blumea.2017.62.02.07" title="A synoptic revision of Inversodicraea (Podostemaceae)." url="https://doi.org/10.3767/blumea.2017.62.02.07" volume="62" year="2017">Cheek et al. 2017</bibRefCitation>
).
</paragraph>
<caption doi="10.5091/plecevo.96359.figure4" httpUri="https://binary.pensoft.net/fig/816314" pageId="0" pageNumber="59" start="Figure 4" startId="F4">
<paragraph pageId="0" pageNumber="59">
<emphasis bold="true" pageId="0" pageNumber="59">Figure 4.</emphasis>
Distribution maps of
<taxonomicName class="Magnoliopsida" family="Podostemaceae" kingdom="Plantae" lsidName="" order="Malpighiales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="family">Podostemaceae</taxonomicName>
in Gabon.
<emphasis bold="true" pageId="0" pageNumber="59">A</emphasis>
.
<taxonomicName class="Magnoliopsida" family="Podostemaceae" genus="Inversodicraea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Inversodicraea annithomae" order="Malpighiales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="species" species="annithomae">
<emphasis italics="true" pageId="0" pageNumber="59">Inversodicraea annithomae</emphasis>
</taxonomicName>
(grey circles),
<taxonomicName class="Magnoliopsida" family="Podostemaceae" kingdom="Plantae" lsidName="I. boumiensis" order="Malpighiales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="species" species="boumiensis">
<emphasis italics="true" pageId="0" pageNumber="59">I. boumiensis</emphasis>
</taxonomicName>
(red diamonds).
<emphasis bold="true" pageId="0" pageNumber="59">B</emphasis>
.
<taxonomicName authorityName="E. Bidault, Rutish. &amp; Mesterhazy" authorityYear="2023" baseAuthorityName="Bidault &amp; Boupoya &amp; Ikabanga &amp; Nguimbit &amp; Texier &amp; Rutishauser &amp; Mesterházy &amp; Stévart" baseAuthorityYear="2023" class="Magnoliopsida" family="Podostemaceae" genus="Inversodicraea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Inversodicraea nicolasii" order="Malpighiales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="species" species="nicolasii">
<emphasis italics="true" pageId="0" pageNumber="59">Inversodicraea nicolasii</emphasis>
</taxonomicName>
(red diamonds),
<taxonomicName class="Magnoliopsida" family="Podostemaceae" kingdom="Plantae" lsidName="I. paulsitae" order="Malpighiales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="species" species="paulsitae">
<emphasis italics="true" pageId="0" pageNumber="59">I. paulsitae</emphasis>
</taxonomicName>
(grey circles),
<taxonomicName class="Magnoliopsida" family="Podostemaceae" kingdom="Plantae" lsidName="I. tenax" order="Malpighiales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="species" species="tenax">
<emphasis italics="true" pageId="0" pageNumber="59">I. tenax</emphasis>
</taxonomicName>
(orange triangles).
<emphasis bold="true" pageId="0" pageNumber="59">C</emphasis>
.
<taxonomicName authorityName="Cheek (Cheek and Haba" authorityYear="2016" baseAuthorityName="Baill." class="Magnoliopsida" family="Podostemaceae" genus="Inversodicraea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Inversodicraea thollonii" order="Malpighiales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="species" species="thollonii">
<emphasis italics="true" pageId="0" pageNumber="59">Inversodicraea thollonii</emphasis>
</taxonomicName>
(red diamonds),
<taxonomicName authorityName="C. Cusset (Cusset" authorityYear="1974" baseAuthorityName="Engl." class="Magnoliopsida" family="Podostemaceae" genus="Ledermanniella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ledermanniella bifurcata" order="Malpighiales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="species" species="bifurcata">
<emphasis italics="true" pageId="0" pageNumber="59">Ledermanniella bifurcata</emphasis>
</taxonomicName>
(grey circles).
<emphasis bold="true" pageId="0" pageNumber="59">D</emphasis>
.
<taxonomicName authorityName="C. Cusset (Cusset" authorityYear="1974" baseAuthorityName="Engl." class="Magnoliopsida" family="Podostemaceae" genus="Ledermanniella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ledermanniella aloides" order="Malpighiales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="species" species="aloides">
<emphasis italics="true" pageId="0" pageNumber="59">Ledermanniella aloides</emphasis>
</taxonomicName>
(grey circles),
<taxonomicName class="Magnoliopsida" family="Podostemaceae" kingdom="Plantae" lsidName="L. schlechteri" order="Malpighiales" pageId="0" pageNumber="59" phylum="Tracheophyta" rank="species" species="schlechteri">
<emphasis italics="true" pageId="0" pageNumber="59">L. schlechteri</emphasis>
</taxonomicName>
(red diamonds).
</paragraph>
</caption>
</subSubSection>
</treatment>
</document>
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