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<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.222.87779" ID-Pensoft-Pub="1314-2003-222-75" ID-Pensoft-UUID="348E6053A6D55787993694B23682FDE9" ModsDocID="1314-2003-222-75" checkinTime="1679617121532" checkinUser="pensoft" docAuthor="Maas, Paul J. M., Maas-van de Kamer, Hiltje, Andre, Thiago, Skinner, David, Valderrama, Eugenio &amp; Specht, Chelsea D." docDate="2023" docId="09336D8339175178B7FE6E7E4AC55868" docLanguage="en" docName="PhytoKeys 222: 75-127" docOrigin="PhytoKeys 222" docPubDate="2023-03-22" docSource="http://dx.doi.org/10.3897/phytokeys.222.87779" docTitle="Costus alleniopsis Maas &amp; D. Skinner 2023, sp. nov." docType="treatment" docVersion="1" id="348E6053A6D55787993694B23682FDE9" lastPageNumber="75" masterDocId="348E6053A6D55787993694B23682FDE9" masterDocTitle="Eighteen new species of Neotropical Costaceae (Zingiberales)" masterLastPageNumber="127" masterPageNumber="75" pageNumber="75" updateTime="1679617121532" updateUser="pensoft">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Eighteen new species of Neotropical Costaceae (Zingiberales)</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Maas, Paul J. M.</mods:namePart>
<mods:affiliation>Naturalis Biodiversity Centre, Botany, P. O. Box 9517, 2300 RA Leiden, Netherlands</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Maas-van de Kamer, Hiltje</mods:namePart>
<mods:affiliation>Naturalis Biodiversity Centre, Botany, P. O. Box 9517, 2300 RA Leiden, Netherlands</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Andre, Thiago</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0003-4148-3662</mods:nameIdentifier>
<mods:affiliation>Universidade de Brasilia, Departamento de Botanica, Campus Universitario Darcy Ribeiro, Asa Norte, Brasilia (DF), Brazil</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Skinner, David</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0003-4585-925X</mods:nameIdentifier>
<mods:affiliation>Le Jardin Ombrage, Tallahassee, (Private botanical garden, Botanic Gardens Conservation International - BGCI - registration ID 50148), Florida, USA</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Valderrama, Eugenio</mods:namePart>
<mods:affiliation>Cornell University, Section of Plant Biology and the L. H. Bailey Hortorium, School of Integrative Plant Science, Ithaca, NY, USA</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Specht, Chelsea D.</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-7746-512X</mods:nameIdentifier>
<mods:affiliation>Cornell University, Section of Plant Biology and the L. H. Bailey Hortorium, School of Integrative Plant Science, Ithaca, NY, USA</mods:affiliation>
<mods:nameIdentifier type="email">cdspecht@cornell.edu</mods:nameIdentifier>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>PhytoKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2023</mods:date>
<mods:detail type="pubDate">
<mods:number>2023-03-22</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>222</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>75</mods:start>
<mods:end>127</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location>
<mods:url>http://dx.doi.org/10.3897/phytokeys.222.87779</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.222.87779</mods:identifier>
<mods:identifier type="Pensoft-Pub">1314-2003-222-75</mods:identifier>
<mods:identifier type="Pensoft-UUID">348E6053A6D55787993694B23682FDE9</mods:identifier>
</mods:mods>
<treatment LSID="urn:lsid:plazi:treatment:09336D8339175178B7FE6E7E4AC55868" httpUri="http://treatment.plazi.org/id/09336D8339175178B7FE6E7E4AC55868" lastPageNumber="75" pageId="0" pageNumber="75">
<subSubSection pageId="0" pageNumber="75" type="nomenclature">
<paragraph pageId="0" pageNumber="75">
<taxonomicName LSID="09336D83-3917-5178-B7FE-6E7E4AC55868" authority="Maas &amp; D. Skinner" authorityName="Maas &amp; D. Skinner" authorityYear="2023" class="Liliopsida" family="Costaceae" genus="Costus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Costus alleniopsis" order="Zingiberales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="alleniopsis" status="sp. nov.">Costus alleniopsis Maas &amp; D.Skinner</taxonomicName>
<taxonomicNameLabel pageId="0" pageNumber="75">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="75" type="diagnosis">
<paragraph pageId="0" pageNumber="75">Diagnosis.</paragraph>
<paragraph pageId="0" pageNumber="75">
<taxonomicName authorityName="Maas &amp; D. Skinner" authorityYear="2023" class="Liliopsida" family="Costaceae" genus="Costus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Costus alleniopsis" order="Zingiberales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="alleniopsis">
<emphasis italics="true" pageId="0" pageNumber="75">Costus alleniopsis</emphasis>
</taxonomicName>
sp. nov. (Fig.
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Costus alleniopsis Maas &amp; D. Skinner A inflorescence B bracts and flower C plant in habitat D ligule and leaf base E ligule and leaf base of C. allenii for comparison F leaf plicae and indument G leaf plicae and indument of Costus allenii for comparison. Photos of C. alleniopsis in habitat, Veraguas, Panama by Dave Skinner." figureDoi="10.3897/phytokeys.222.87779.figure3" httpUri="https://binary.pensoft.net/fig/828342" pageId="0" pageNumber="75">3</figureCitation>
) resembles
<taxonomicName class="Liliopsida" family="Costaceae" kingdom="Plantae" lsidName="C. allenii" order="Zingiberales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="allenii">
<emphasis italics="true" pageId="0" pageNumber="75">C. allenii</emphasis>
</taxonomicName>
but differs by distinctly plicate leaves and a longer ligule.
</paragraph>
<caption doi="10.3897/phytokeys.222.87779.figure3" httpUri="https://binary.pensoft.net/fig/828342" pageId="0" pageNumber="75" start="Figure 3" startId="F3">
<paragraph pageId="0" pageNumber="75">
<emphasis bold="true" pageId="0" pageNumber="75">Figure 3.</emphasis>
<taxonomicName authorityName="Maas &amp; D. Skinner" authorityYear="2023" class="Liliopsida" family="Costaceae" genus="Costus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Costus alleniopsis" order="Zingiberales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="alleniopsis">
<emphasis italics="true" pageId="0" pageNumber="75">Costus alleniopsis</emphasis>
</taxonomicName>
Maas &amp; D. Skinner
<emphasis bold="true" pageId="0" pageNumber="75">A</emphasis>
inflorescence
<emphasis bold="true" pageId="0" pageNumber="75">B</emphasis>
bracts and flower
<emphasis bold="true" pageId="0" pageNumber="75">C</emphasis>
plant in habitat
<emphasis bold="true" pageId="0" pageNumber="75">D</emphasis>
ligule and leaf base
<emphasis bold="true" pageId="0" pageNumber="75">E</emphasis>
ligule and leaf base of
<taxonomicName class="Liliopsida" family="Costaceae" kingdom="Plantae" lsidName="C. allenii" order="Zingiberales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="allenii">
<emphasis italics="true" pageId="0" pageNumber="75">C. allenii</emphasis>
</taxonomicName>
for comparison
<emphasis bold="true" pageId="0" pageNumber="75">F</emphasis>
leaf plicae and indument
<emphasis bold="true" pageId="0" pageNumber="75">G</emphasis>
leaf plicae and indument of
<taxonomicName class="Liliopsida" family="Costaceae" genus="Costus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Costus allenii" order="Zingiberales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="allenii">
<emphasis italics="true" pageId="0" pageNumber="75">Costus allenii</emphasis>
</taxonomicName>
for comparison. Photos of
<taxonomicName class="Liliopsida" family="Costaceae" kingdom="Plantae" lsidName="C. alleniopsis" order="Zingiberales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="alleniopsis">
<emphasis italics="true" pageId="0" pageNumber="75">C. alleniopsis</emphasis>
</taxonomicName>
in habitat, Veraguas, Panama by Dave Skinner.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="75" type="materials_examined">
<paragraph pageId="0" pageNumber="75">
<typeStatus>Type</typeStatus>
.
</paragraph>
<paragraph pageId="0" pageNumber="75">
<materialsCitation collectingDate="1974-09-08" collectorName="Maas, Dressler" country="Panama" elevation="725" location="Rio Segundo Brazo" specimenCount="1" stateProvince="Veraguas" typeStatus="holotype">
<collectingCountry name="Panama">Panama</collectingCountry>
,
<collectingRegion country="Panama" name="Veraguas">Veraguas</collectingRegion>
:
<location LSID="urn:lsid:plazi:treatment:09336D8339175178B7FE6E7E4AC55868:D38188CC7F4B69D96C9BB38864438F5A" country="Panama" name="Rio Segundo Brazo" stateProvince="Veraguas">
<normalizedToken originalValue="Río">Rio</normalizedToken>
Segundo Brazo
</location>
,
<quantity metricMagnitude="2" metricUnit="m" metricValue="7.25" metricValueMax="7.5" metricValueMin="7.0" unit="m" value="725.0" valueMax="750.0" valueMin="700.0">
<elevation metricMagnitude="2" metricUnit="m" metricValue="7.25" metricValueMax="7.5" metricValueMin="7.0" unit="m" value="725.0" valueMax="750.0" valueMin="700.0">700-750 m</elevation>
</quantity>
,
<collectingDate value="1974-09-08">8 Sep 1974</collectingDate>
,
<emphasis italics="true" pageId="0" pageNumber="75">
<collectorName>Maas</collectorName>
&amp;
<collectorName>Dressler</collectorName>
1652
</emphasis>
(
<typeStatus>holotype</typeStatus>
U1231561; isotypes F, MO-2193025)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="75" type="description">
<paragraph pageId="0" pageNumber="75">Description.</paragraph>
<paragraph pageId="0" pageNumber="75">
<emphasis bold="true" italics="true" pageId="0" pageNumber="75">Herb</emphasis>
0.5-1.2 m tall.
<emphasis bold="true" italics="true" pageId="0" pageNumber="75">Leaves</emphasis>
sheaths 10-20 mm diam; ligule obliquely truncate, 12-20 mm long, often reddish; petiole 10-25 mm long; sheaths, ligule and petiole densely brownish villose; lamina ovate to obovate, 25-32 by 13-16 cm, abaxially sometimes reddish, 10-12-plicate, adaxially and abaxially densely brownish villose, base cordate, acute, or obtuse, apex acuminate (acumen 10-15 mm long).
<emphasis bold="true" italics="true" pageId="0" pageNumber="75">Inflorescence</emphasis>
ovoid, 6-7
<normalizedToken originalValue="×">x</normalizedToken>
3-5 cm, terminating a leafy shoot or rarely terminating a leafless shoot; bracts rather densely to densely brownish villose, bracteole, calyx, ovary, and capsule rather densely to densely puberulous to glabrous.
<emphasis bold="true" italics="true" pageId="0" pageNumber="75">Flowers</emphasis>
adaxially oriented to erect; bracts green, rarely red, coriaceous, broadly ovate to ovate, 3-5
<normalizedToken originalValue="×">x</normalizedToken>
2-5 cm, apex obtuse, callus 5-7 mm long; bracteole boat-shaped, 20-30 mm long; calyx pink to red, 8-10 mm long, lobes shallowly triangular, 2-3 mm long; corolla yellow, 60-70 mm long, glabrous, lobes narrowly elliptic, 50-60 mm long; labellum yellow, distal edge horizontally spreading, broadly obovate, 50-70
<normalizedToken originalValue="×">x</normalizedToken>
40-50 mm, lateral lobes striped with red, middle lobe reflexed, with yellow honey mark, margin crenulate; stamen yellow, 40-50
<normalizedToken originalValue="×">x</normalizedToken>
12-15 mm, not exceeding the labellum, apex red, obtuse to irregularly dentate, anther 7-10 mm long.
<emphasis bold="true" italics="true" pageId="0" pageNumber="75">Capsule</emphasis>
ellipsoid, 15-20 mm long.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="75" type="distribution">
<paragraph pageId="0" pageNumber="75">Distribution.</paragraph>
<paragraph pageId="0" pageNumber="75">
Panama (
<normalizedToken originalValue="Coclé">Cocle</normalizedToken>
,
<normalizedToken originalValue="Colón">Colon</normalizedToken>
, Veraguas) (Fig.
<figureCitation captionStart="Figure 21" captionStartId="F21" captionText="Figure 21. Distribution maps for new species of Costaceae: Chamaecostus - Costus douglasdalyi A Chamaecostus manausensis Maas &amp; H. Maas B Costus alfredoi Maas &amp; H. Maas C Costus alleniopsis Maas &amp; D. Skinner D Costus alticolus Maas &amp; H. Maas E Costus antioquiensis Maas &amp; H. Maas F Costus callosus Maas &amp; H. Maas G Costus cochabambae Maas &amp; H. Maas H Costus convexus Maas &amp; D. Skinner I Costus douglasdalyi Maas &amp; H. Maas." figureDoi="10.3897/phytokeys.222.87779.figure21" httpUri="https://binary.pensoft.net/fig/828360" pageId="0" pageNumber="75">21C</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="75" type="habitat">
<paragraph pageId="0" pageNumber="75">Habitat and ecology.</paragraph>
<paragraph pageId="0" pageNumber="75">In forests, at elevations of 200-1300 m. Flowering in the rainy season.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="75" type="etymology">
<paragraph pageId="0" pageNumber="75">Etymology.</paragraph>
<paragraph pageId="0" pageNumber="75">
This species strongly resembles
<taxonomicName class="Liliopsida" family="Costaceae" kingdom="Plantae" lsidName="C. allenii" order="Zingiberales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="allenii">
<emphasis italics="true" pageId="0" pageNumber="75">C. allenii</emphasis>
</taxonomicName>
, and the Greek word &quot;
<emphasis italics="true" pageId="0" pageNumber="75">opsis</emphasis>
&quot; (= likeness) refers to the resemblance with that species.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="75" type="notes">
<paragraph pageId="0" pageNumber="75">Notes.</paragraph>
<paragraph pageId="0" pageNumber="75">
<taxonomicName authorityName="Maas &amp; D. Skinner" authorityYear="2023" class="Liliopsida" family="Costaceae" genus="Costus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Costus alleniopsis" order="Zingiberales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="alleniopsis">
<emphasis italics="true" pageId="0" pageNumber="75">Costus alleniopsis</emphasis>
</taxonomicName>
sp. nov. is restricted to Panama. It is closest to
<taxonomicName class="Liliopsida" family="Costaceae" kingdom="Plantae" lsidName="C. allenii" order="Zingiberales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="allenii">
<emphasis italics="true" pageId="0" pageNumber="75">C. allenii</emphasis>
</taxonomicName>
Maas, differing by a longer ligule (12-20 mm vs. 2-10 mm) and distinctly plicate leaves. They both share adaxial oriented to erect flowers, a feature not often seen in the genus
<taxonomicName class="Liliopsida" family="Costaceae" genus="Costus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Costus" order="Zingiberales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="75">Costus</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="75" type="paratypes">
<paragraph pageId="0" pageNumber="75">Paratypes.</paragraph>
<paragraph pageId="0" pageNumber="75">
<emphasis bold="true" pageId="0" pageNumber="75">
Panama.
<normalizedToken originalValue="Coclé">Cocle</normalizedToken>
</emphasis>
: Alto Calvario, above El
<normalizedToken originalValue="Copé">Cope</normalizedToken>
, ca. 6 km N of El
<normalizedToken originalValue="Copé">Cope</normalizedToken>
, 23 Jun 1988,
<emphasis italics="true" pageId="0" pageNumber="75">Croat 68796</emphasis>
(MO, U); Alto Calvario, forest along Continental Divide, ca. 5 miles N of El
<normalizedToken originalValue="Copé">Cope</normalizedToken>
, 900-1000 m, 31 Mar 1993,
<emphasis italics="true" pageId="0" pageNumber="75">Croat 75052</emphasis>
(MO, U); Caribbean side of divide at El
<normalizedToken originalValue="Copé">Cope</normalizedToken>
, 200-400 m, 4 Feb 1983,
<emphasis italics="true" pageId="0" pageNumber="75">Hamilton &amp; Davidse 2778</emphasis>
(MO); near sawmill, 8 km N of El
<normalizedToken originalValue="Copé">Cope</normalizedToken>
(28 km NW of
<normalizedToken originalValue="Penonomé">Penonome</normalizedToken>
), 600-750 m, 1 Sep 1977,
<emphasis italics="true" pageId="0" pageNumber="75">Maas et al. 2760</emphasis>
(U); Parque Nacional General Omar Torrijos Herrera, El
<normalizedToken originalValue="Copé">Cope</normalizedToken>
, Sendero Rana Dorada, 750 m, 31 May 2004,
<emphasis italics="true" pageId="0" pageNumber="75">Maas et al. 9541</emphasis>
(U); above El Potroso sawmill at Continental Divide, N of El
<normalizedToken originalValue="Copé">Cope</normalizedToken>
, 1200-1300 m, 13 May 1981,
<emphasis italics="true" pageId="0" pageNumber="75">Sytsma &amp; Andersson 4610</emphasis>
(MO, U).
<emphasis bold="true" pageId="0" pageNumber="75">
<normalizedToken originalValue="Colón">Colon</normalizedToken>
</emphasis>
: MPSA Concession, around Petaquilla Tower, 23 May 2012,
<emphasis italics="true" pageId="0" pageNumber="75">Hammel et al. 26342</emphasis>
(MO).
<emphasis bold="true" pageId="0" pageNumber="75">Veraguas</emphasis>
: valley of
<normalizedToken originalValue="Río">Rio</normalizedToken>
Dos Bocas, on road between Alto Piedra (above Santa
<normalizedToken originalValue="Fé">Fe</normalizedToken>
) and Calovebora, 350-400 m, 29 Aug 1974,
<emphasis italics="true" pageId="0" pageNumber="75">Croat 27455</emphasis>
(MO, U); near the Continental Divide, ca. 15 km NW of Santa
<normalizedToken originalValue="Fé">Fe</normalizedToken>
, 800 m, 22 Oct 1980,
<emphasis italics="true" pageId="0" pageNumber="75">Maas &amp; Dressler 5006 p.p.</emphasis>
(K, L, U); 16 km NW of Santa
<normalizedToken originalValue="Fé">Fe</normalizedToken>
, on road to Calovebora (Panamanian Highway 35), 300-500 m, 16 May 1975,
<emphasis italics="true" pageId="0" pageNumber="75">Mori &amp; Kallunki 6124</emphasis>
(MO).
</paragraph>
</subSubSection>
</treatment>
</document>