treatments-xml/data/64/01/EA/6401EA2ACC71770CDB353C29AFA89FB1.xml
2024-06-21 12:38:35 +02:00

218 lines
19 KiB
XML
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.57.5339" ID-PMC="PMC4698512" ID-Pensoft-Pub="1314-2003-57-1" ID-Pensoft-UUID="FFACFFC1FFEEFFA5C525FFE19915867A" ID-PubMed="26751914" ID-Zenodo-Dep="576307" ModsDocID="1314-2003-57-1" checkinTime="1451251344257" checkinUser="pensoft" docAuthor="Lorence, David H., Dietzsch, Anke C. &amp; Kelly, Daniel L." docDate="2015" docId="6401EA2ACC71770CDB353C29AFA89FB1" docLanguage="en" docName="PhytoKeys 57: 1-9" docOrigin="PhytoKeys 57" docPubDate="2015-10-13" docSource="http://dx.doi.org/10.3897/phytokeys.57.5339" docTitle="Sommera cusucoana Lorence, D. Kelly &amp; A. Dietzsch 2015, sp. nov." docType="treatment" docVersion="6" id="FFACFFC1FFEEFFA5C525FFE19915867A" lastPageNumber="3" masterDocId="FFACFFC1FFEEFFA5C525FFE19915867A" masterDocTitle="Sommera cusucoana, a new species of Rubiaceae from Honduras" masterLastPageNumber="9" masterPageNumber="1" pageNumber="1" updateTime="1668141479705" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Sommera cusucoana, a new species of Rubiaceae from Honduras</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Lorence, David H.</mods:namePart>
<mods:affiliation>National Tropical Botanical Garden, 3530 Papalina Road, Kalaheo, HI 96741 USA</mods:affiliation>
<mods:nameIdentifier type="email">lorence@ntbg.org</mods:nameIdentifier>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Dietzsch, Anke C.</mods:namePart>
<mods:affiliation>Department of Botany, School of Natural Sciences, Trinity College, the University of Dublin, Dublin 2, Ireland</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Kelly, Daniel L.</mods:namePart>
<mods:affiliation>Department of Botany, School of Natural Sciences, Trinity College, the University of Dublin, Dublin 2, Ireland</mods:affiliation>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>PhytoKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2015</mods:date>
<mods:detail type="pubDate">
<mods:number>2015-10-13</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>57</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>1</mods:start>
<mods:end>9</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location>
<mods:url>http://dx.doi.org/10.3897/phytokeys.57.5339</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.57.5339</mods:identifier>
<mods:identifier type="Pensoft-Pub">1314-2003-57-1</mods:identifier>
<mods:identifier type="Pensoft-UUID">FFACFFC1FFEEFFA5C525FFE19915867A</mods:identifier>
<mods:identifier type="Zenodo-Dep">576307</mods:identifier>
</mods:mods>
<treatment ID-GBIF-Taxon="152026308" LSID="urn:lsid:plazi:treatment:6401EA2ACC71770CDB353C29AFA89FB1" httpUri="http://treatment.plazi.org/id/6401EA2ACC71770CDB353C29AFA89FB1" lastPageId="2" lastPageNumber="3" pageId="0" pageNumber="1">
<subSubSection pageId="0" pageNumber="1" type="nomenclature">
<paragraph pageId="0" pageNumber="1">
<taxonomicName LSID="6401EA2A-CC71-770C-DB35-3C29AFA89FB1" authority="Lorence, D. Kelly &amp; A. Dietzsch" authorityName="Lorence, D. Kelly &amp; A. Dietzsch" authorityYear="2015" class="Magnoliopsida" family="Rubiaceae" genus="Sommera" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sommera cusucoana" order="Gentianales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="cusucoana" status="sp. nov.">Sommera cusucoana Lorence, D. Kelly &amp; A. Dietzsch</taxonomicName>
<taxonomicNameLabel pageId="0" pageNumber="1">sp. nov.</taxonomicNameLabel>
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Scan of Holotype specimen of Sommera cusucoana (to be deposited at TEFH)." figureDoi="10.3897/phytokeys.57.5339.figure2" httpUri="https://binary.pensoft.net/fig/60129" pageId="0" pageNumber="1">Figures 2</figureCitation>
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Sommera cusucoana. A Tip of shoot with infructescence and leaf pair emerging between pair of stipules. Note red color of stipules, petioles, and infructescences B Freshly cut branch with inflorescence and infructescences. Photos by A. C. Dietzsch, 5 July 2013." figureDoi="10.3897/phytokeys.57.5339.figure3" httpUri="https://binary.pensoft.net/fig/60130" pageId="0" pageNumber="1">, 3</figureCitation>
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Sommera cusucoana. A Tip of shoot with flower, developing fruits, and leaf pair emerging between pair of stipules B Flower at anthesis and developing fruit (appearing dark because in shadow). Photos by A. C. Dietzsch, 5 July 2013." figureDoi="10.3897/phytokeys.57.5339.figure4" httpUri="https://binary.pensoft.net/fig/60131" pageId="0" pageNumber="1">, 4</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="type">
<paragraph pageId="0" pageNumber="1">Type.</paragraph>
<paragraph pageId="0" pageNumber="1">
Honduras. Prov. Cortes, W of San Pedro Sula. El Cortecito campsite (near left bank of river), Parque Nacional El Cusuco, Sierra de
<normalizedToken originalValue="Merendón">Merendon</normalizedToken>
, UTM 361834 1716534 + 11 m, 1333 m alt., 5 July 2013, D. L. Kelly, A. C. Dietzsch &amp; W. Lopez 15079 (Holotype TEFH!, Isotypes MO and TCD).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="diagnosis">
<paragraph pageId="0" pageNumber="1">Diagnosis.</paragraph>
<paragraph pageId="0" pageNumber="1">Differs from its congeners by the combination of large, obovate leaves with long red petioles, glabrous or glabrate intervenal areas, red stipules, inflorescences 2-4-flowered, sparsely pubescent, with red axes, flowers with red hypanthium and calyx, and mature fruits dark red with long pedicels.</paragraph>
</subSubSection>
<subSubSection lastPageId="2" lastPageNumber="3" pageId="1" pageNumber="2" type="description">
<paragraph pageId="1" pageNumber="2">
<pageBreakToken pageId="1" pageNumber="2" start="start">Description</pageBreakToken>
.
</paragraph>
<paragraph lastPageId="2" lastPageNumber="3" pageId="1" pageNumber="2">
Tree 10 m high, branchlets 5-6 mm in diam., glabrous, finely ribbed when dry, with sparse, pale +/- ellipsoidal lenticels.
<emphasis bold="true" pageId="1" pageNumber="2">Leaves</emphasis>
opposite, blades 21.5-30
<normalizedToken originalValue="×">x</normalizedToken>
10.2-15 cm, obovate, acuminate, finely pointed, cuneate and +/- asymmetrical at base, drying membranaceous, glabrous above, strigillose beneath on costa and 2°-4° veins, intervenal areas glabrous, 2° veins 13-14 pairs, eucamptodromous, venation prominulous; petioles 4.5-9 cm long, sparsely strigillose, red when fresh;
<emphasis bold="true" pageId="1" pageNumber="2">stipules narrowly</emphasis>
deltate to lanceolate, 3-3.8 cm long, when fresh red with thin white margins, glabrous, caducous.
<emphasis bold="true" pageId="1" pageNumber="2">Inflorescences</emphasis>
5.5-6.5
<normalizedToken originalValue="×">x</normalizedToken>
3-7 cm, dichasial, 2-3-4-flowered, axes sparsely strigillose, red when fresh; peduncle 2.5-3.8 cm long, bracts oblong-elliptic, c. 1 mm long, caducous; pedicels 1-2.8 cm long, with bract scars medially.
<emphasis bold="true" pageId="1" pageNumber="2">Flowers</emphasis>
with hypanthium 5
<normalizedToken originalValue="×">x</normalizedToken>
3-4 mm, turbinate to obovoid, glabrous;
<pageBreakToken pageId="2" pageNumber="3" start="start">calyx</pageBreakToken>
limb red, cupuliform, 2-3 mm long with the tube 0.6-1 mm long, externally glabrous, lobes 5, 1-1.2
<normalizedToken originalValue="×">x</normalizedToken>
2 mm, broadly triangular, obtuse, equal, margins densely ciliolate; corolla cylindrical-funnelform, yellowish-cream, fleshy, tube 10-11
<normalizedToken originalValue="×">x</normalizedToken>
2.8-3 mm, externally densely hirtellous-tomentose, lobes 5, 1.5
<normalizedToken originalValue="×">x</normalizedToken>
3 mm, triangular-ovate, densely papillose-puberulent internally; anthers, style and stigmas not seen.
<emphasis bold="true" pageId="2" pageNumber="3">Fruits</emphasis>
12-15
<normalizedToken originalValue="×">x</normalizedToken>
9-13 mm, subglobose to broadly ellipsoid, dark red at maturitiy, glabrous.
<emphasis bold="true" pageId="2" pageNumber="3">Seeds</emphasis>
numerous, 1-1.8 mm long, irregularly polygonal-angulate, testa dark brown, reticulate. (Figures
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Sommera cusucoana. A Tip of shoot with infructescence and leaf pair emerging between pair of stipules. Note red color of stipules, petioles, and infructescences B Freshly cut branch with inflorescence and infructescences. Photos by A. C. Dietzsch, 5 July 2013." figureDoi="10.3897/phytokeys.57.5339.figure3" httpUri="https://binary.pensoft.net/fig/60130" pageId="2" pageNumber="3">3</figureCitation>
,
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Sommera cusucoana. A Tip of shoot with flower, developing fruits, and leaf pair emerging between pair of stipules B Flower at anthesis and developing fruit (appearing dark because in shadow). Photos by A. C. Dietzsch, 5 July 2013." figureDoi="10.3897/phytokeys.57.5339.figure4" httpUri="https://binary.pensoft.net/fig/60131" pageId="2" pageNumber="3">4</figureCitation>
).
</paragraph>
<caption ID-Zenodo-Dep="966308" doi="10.3897/phytokeys.57.5339.figure2" httpUri="https://binary.pensoft.net/fig/60129" pageId="2" pageNumber="3" start="Figure 2" startId="F2">
<paragraph pageId="2" pageNumber="3">
<emphasis bold="true" pageId="2" pageNumber="3">Figure 2.</emphasis>
Scan of Holotype specimen of
<taxonomicName authorityName="Lorence, D. Kelly &amp; A. Dietzsch" authorityYear="2015" class="Magnoliopsida" family="Rubiaceae" genus="Sommera" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sommera cusucoana" order="Gentianales" pageId="2" pageNumber="3" phylum="Tracheophyta" rank="species" species="cusucoana">
<emphasis italics="true" pageId="2" pageNumber="3">Sommera cusucoana</emphasis>
</taxonomicName>
(to be deposited at TEFH).
</paragraph>
</caption>
<caption ID-Zenodo-Dep="966310" doi="10.3897/phytokeys.57.5339.figure3" httpUri="https://binary.pensoft.net/fig/60130" pageId="2" pageNumber="3" start="Figure 3" startId="F3">
<paragraph pageId="2" pageNumber="3">
<emphasis bold="true" pageId="2" pageNumber="3">Figure 3.</emphasis>
<taxonomicName authorityName="Lorence, D. Kelly &amp; A. Dietzsch" authorityYear="2015" class="Magnoliopsida" family="Rubiaceae" genus="Sommera" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sommera cusucoana" order="Gentianales" pageId="2" pageNumber="3" phylum="Tracheophyta" rank="species" species="cusucoana">
<emphasis italics="true" pageId="2" pageNumber="3">Sommera cusucoana</emphasis>
</taxonomicName>
.
<emphasis bold="true" pageId="2" pageNumber="3">A</emphasis>
Tip of shoot with infructescence and leaf pair emerging between pair of stipules. Note red color of stipules, petioles, and infructescences
<emphasis bold="true" pageId="2" pageNumber="3">B</emphasis>
Freshly cut branch with inflorescence and infructescences. Photos by A.C. Dietzsch, 5 July 2013.
</paragraph>
</caption>
<caption ID-Zenodo-Dep="966312" doi="10.3897/phytokeys.57.5339.figure4" httpUri="https://binary.pensoft.net/fig/60131" pageId="2" pageNumber="3" start="Figure 4" startId="F4">
<paragraph pageId="2" pageNumber="3">
<emphasis bold="true" pageId="2" pageNumber="3">Figure 4.</emphasis>
<taxonomicName authorityName="Lorence, D. Kelly &amp; A. Dietzsch" authorityYear="2015" class="Magnoliopsida" family="Rubiaceae" genus="Sommera" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sommera cusucoana" order="Gentianales" pageId="2" pageNumber="3" phylum="Tracheophyta" rank="species" species="cusucoana">
<emphasis italics="true" pageId="2" pageNumber="3">Sommera cusucoana</emphasis>
</taxonomicName>
.
<emphasis bold="true" pageId="2" pageNumber="3">A</emphasis>
Tip of shoot with flower, developing fruits, and leaf pair emerging between pair of stipules
<emphasis bold="true" pageId="2" pageNumber="3">B</emphasis>
Flower at anthesis and developing fruit (appearing dark because in shadow). Photos by A.C. Dietzsch, 5 July 2013.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="2" pageNumber="3" type="habitat and ecology">
<paragraph pageId="2" pageNumber="3">Habitat and ecology.</paragraph>
<paragraph pageId="2" pageNumber="3">
Only two individual trees were located, about the same size and within a few meters of each other. The site is within Cusuco National Park, in the upper slopes of the Sierra del
<normalizedToken originalValue="Merendón">Merendon</normalizedToken>
. These upper slopes (highest point 2242 m) are largely covered by montane rain forest vegetation. The bedrock is composed of a mixture of gneiss and schist (
<bibRefCitation author="Lorence, DH" journalOrPublisher="Flora Mesoamericana" pageId="4" pageNumber="5" refId="B10" refString="The Nature Conservancy, Fundacion Ecologista &quot;Hector Rodrigo Pastor Fasquelle&quot; &amp; Paca 1994. Evaluacion Ecologica Rapida (EER) Parque Nacional &quot;El Cusuco&quot; y Cordillera del Merendon. Unpublished report." year="2012">The Nature Conservancy et al. 1994</bibRefCitation>
); slopes are steep and soils are strongly acidic (D.L. Kelly &amp; A.C. Dietzsch, unpublished data).
</paragraph>
<paragraph pageId="2" pageNumber="3">
The type locality, at 1333 m, is at the bottom of a deep, narrow valley, about 25-50 m from the bank of a small river. The site is riparian rain forest, dominated by tall trees, mainly
<taxonomicName class="Dicotyledoneae" family="Hamamelidaceae" genus="Liquidambar" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Liquidambar styraciflua" order="Rosales" pageId="2" pageNumber="3" phylum="Angiospermae" rank="species" species="styraciflua">
<emphasis italics="true" pageId="2" pageNumber="3">Liquidambar styraciflua</emphasis>
</taxonomicName>
L. and
<taxonomicName class="Dicotyledoneae" family="Meliaceae" genus="Cedrela" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Cedrela odorata" order="Rutales" pageId="2" pageNumber="3" phylum="Angiospermae" rank="species" species="odorata">
<emphasis italics="true" pageId="2" pageNumber="3">Cedrela odorata</emphasis>
</taxonomicName>
L. The microclimate is moist and the vegetation lush and species-rich. The vicinity shows minor levels of disturbance: human disturbance due to the proximity of a seasonal camp-site with radiating trails, and natural disturbance due to wind-throw, and land-slips on the steeper slopes.
</paragraph>
</subSubSection>
<subSubSection pageId="2" pageNumber="3" type="etymology">
<paragraph pageId="2" pageNumber="3">Etymology.</paragraph>
<paragraph pageId="2" pageNumber="3">The name honors the Cusuco National Park in which it was found.</paragraph>
</subSubSection>
<subSubSection pageId="2" pageNumber="3" type="discussion">
<paragraph pageId="2" pageNumber="3">Discussion.</paragraph>
<paragraph pageId="2" pageNumber="3">
<taxonomicName authorityName="Lorence, D. Kelly &amp; A. Dietzsch" authorityYear="2015" class="Magnoliopsida" family="Rubiaceae" genus="Sommera" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sommera cusucoana" order="Gentianales" pageId="2" pageNumber="3" phylum="Tracheophyta" rank="species" species="cusucoana">
<emphasis italics="true" pageId="2" pageNumber="3">Sommera cusucoana</emphasis>
</taxonomicName>
differs from its Mesoamerican congeners by the combination of large, obovate leaves with long red petioles, glabrous or glabrate intervenal areas, red stipules, lax, sparsely pubescent 2-4-flowered inflorescences with red axes, flowers with red hypanthium and calyx, and long flowering and fruiting pedicels. Floral hypanthia and fruits of
<taxonomicName authorityName="Lorence, D. Kelly &amp; A. Dietzsch" authorityYear="2015" class="Magnoliopsida" family="Rubiaceae" genus="Sommera" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sommera cusucoana" order="Gentianales" pageId="2" pageNumber="3" phylum="Tracheophyta" rank="species" species="cusucoana">
<emphasis italics="true" pageId="2" pageNumber="3">Sommera cusucoana</emphasis>
</taxonomicName>
are bright red at all developmental stages. Herbarium label notes for other
<taxonomicName authorityName="Schlechtendal" authorityYear="1835" class="Magnoliopsida" family="Rubiaceae" genus="Sommera" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sommera" order="Gentianales" pageId="2" pageNumber="3" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="2" pageNumber="3">Sommera</emphasis>
</taxonomicName>
species indicate fruits are green when immature and ripen red, at least in
<taxonomicName authorityName="Brandegee" authorityYear="1915" class="Magnoliopsida" family="Rubiaceae" genus="Sommera" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sommera chiapensis" order="Gentianales" pageId="2" pageNumber="3" phylum="Tracheophyta" rank="species" species="chiapensis">
<emphasis italics="true" pageId="2" pageNumber="3">Sommera chiapensis</emphasis>
</taxonomicName>
,
<taxonomicName authorityName="Standl" authorityYear="1914" class="Magnoliopsida" family="Rubiaceae" genus="Sommera" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sommera donnell-smithii" order="Gentianales" pageId="2" pageNumber="3" phylum="Tracheophyta" rank="species" species="donnell-smithii">
<emphasis italics="true" pageId="2" pageNumber="3">Sommera donnell-smithii</emphasis>
</taxonomicName>
and
<taxonomicName authorityName="L. O. Williams" authorityYear="1973" class="Magnoliopsida" family="Rubiaceae" genus="Sommera" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sommera montana" order="Gentianales" pageId="2" pageNumber="3" phylum="Tracheophyta" rank="species" species="montana">
<emphasis italics="true" pageId="2" pageNumber="3">Sommera montana</emphasis>
</taxonomicName>
, and possibly white in
<taxonomicName class="Magnoliopsida" family="Rubiaceae" genus="Sommera" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sommera grandis" order="Gentianales" pageId="2" pageNumber="3" phylum="Tracheophyta" rank="species" species="grandis">
<emphasis italics="true" pageId="2" pageNumber="3">Sommera grandis</emphasis>
</taxonomicName>
(Mexico). Only
<taxonomicName authorityName="Brandegee" authorityYear="1915" class="Magnoliopsida" family="Rubiaceae" genus="Sommera" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sommera chiapensis" order="Gentianales" pageId="2" pageNumber="3" phylum="Tracheophyta" rank="species" species="chiapensis">
<emphasis italics="true" pageId="2" pageNumber="3">Sommera chiapensis</emphasis>
</taxonomicName>
Brandegee (Chiapas, Guatemala, Honduras) has flowers with similarly short, broadly triangular calyx lobes 1-2 mm long, but it differs in having shorter petioles 2-5 cm long, cymes with (4-)6-12 flowers, shorter corollas with tube 4-8 mm long, and smaller fruits 5-9 mm in diameter.
</paragraph>
</subSubSection>
</treatment>
</document>