treatments-xml/data/20/03/6E/20036E4799B65E3BA2EF245D63B9AD7C.xml

<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.208.80382" ID-Pensoft-Pub="1314-2003-208-1" ID-Pensoft-UUID="F47A23EA345757E29C2800F6D51CEE05" ModsDocID="1314-2003-208-1" checkinTime="1663786009364" checkinUser="pensoft" docAuthor="Martinez-Dominguez, Lili, Nicolalde-Morejon, Fernando, Vergara-Silva, Francisco &amp; Stevenson, Dennis Wm." docDate="2022" docId="20036E4799B65E3BA2EF245D63B9AD7C" docLanguage="en" docName="PhytoKeys 208: 1-102" docOrigin="PhytoKeys 208" docPubDate="2022-09-21" docSource="http://dx.doi.org/10.3897/phytokeys.208.80382" docTitle="Ceratozamia leptoceras Mart. - Domínguez, Nic. - Mor., D. W. Stev. &amp; Lorea-Hern., PhytoKeys 156: 13. 2020" docType="treatment" docVersion="1" id="F47A23EA345757E29C2800F6D51CEE05" lastPageNumber="1" masterDocId="F47A23EA345757E29C2800F6D51CEE05" masterDocTitle="Monograph of Ceratozamia (Zamiaceae, Cycadales): an endangered genus" masterLastPageNumber="102" masterPageNumber="1" pageNumber="1" updateTime="1663786009364" updateUser="pensoft">
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<mods:title>Monograph of Ceratozamia (Zamiaceae, Cycadales): an endangered genus</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Martinez-Dominguez, Lili</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0003-1158-1501</mods:nameIdentifier>
<mods:affiliation>Posgrado en Ciencias Biologicas, Instituto de Biologia, Universidad Nacional Autonoma de Mexico, 3 er. Circuito Exterior, Ciudad Universitaria, 04510, Coyoacan, CDMX, Mexico</mods:affiliation>
<mods:nameIdentifier type="email">lilimartinezd@gmail.com</mods:nameIdentifier>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Nicolalde-Morejon, Fernando</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0003-1423-7474</mods:nameIdentifier>
<mods:affiliation>Laboratorio de Teoria Evolutiva e Historia de la Ciencia, Instituto de Biologia, Universidad Nacional Autonoma de Mexico, 3 er. Circuito Exterior, Ciudad Universitaria, 04510, Coyoacan, CDMX. Mexico</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Vergara-Silva, Francisco</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-5024-268X</mods:nameIdentifier>
<mods:affiliation>Posgrado en Ciencias Biologicas, Instituto de Biologia, Universidad Nacional Autonoma de Mexico, 3 er. Circuito Exterior, Ciudad Universitaria, 04510, Coyoacan, CDMX, Mexico</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Stevenson, Dennis Wm.</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-2986-7076</mods:nameIdentifier>
<mods:affiliation>Laboratorio de Taxonomia Integrativa, Instituto de Investigaciones Biologicas, Universidad Veracruzana, Xalapa, 91190, Veracruz. Mexico</mods:affiliation>
<mods:nameIdentifier type="email">dws@nybg.org</mods:nameIdentifier>
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<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>PhytoKeys</mods:title>
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<mods:part>
<mods:date>2022</mods:date>
<mods:detail type="pubDate">
<mods:number>2022-09-21</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>208</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>1</mods:start>
<mods:end>102</mods:end>
</mods:extent>
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<mods:location>
<mods:url>http://dx.doi.org/10.3897/phytokeys.208.80382</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.208.80382</mods:identifier>
<mods:identifier type="Pensoft-Pub">1314-2003-208-1</mods:identifier>
<mods:identifier type="Pensoft-UUID">F47A23EA345757E29C2800F6D51CEE05</mods:identifier>
</mods:mods>
<treatment LSID="urn:lsid:plazi:treatment:20036E4799B65E3BA2EF245D63B9AD7C" httpUri="http://treatment.plazi.org/id/20036E4799B65E3BA2EF245D63B9AD7C" lastPageNumber="1" pageId="0" pageNumber="1">
<subSubSection pageId="0" pageNumber="1" type="nomenclature">
<paragraph pageId="0" pageNumber="1">
16. 
<taxonomicName LSID="20036E47-99B6-5E3B-A2EF-245D63B9AD7C" authority="Mart. - Dominguez, Nic. - Mor., D. W. Stev. &amp; Lorea-Hern., PhytoKeys 156: 13. 2020" authorityName="Mart. - Domínguez, Nic. - Mor., D. W. Stev. &amp; Lorea-Hern., PhytoKeys 156: 13." authorityYear="2020" class="Cycadopsida" family="Zamiaceae" genus="Ceratozamia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ceratozamia leptoceras" order="Cycadales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="leptoceras">
Ceratozamia leptoceras Mart.- 
<normalizedToken originalValue="Domínguez">Dominguez</normalizedToken>
, Nic.-Mor., D.W.Stev. &amp; Lorea-Hern., PhytoKeys 156: 13. 2020
</taxonomicName>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="description">
<paragraph pageId="0" pageNumber="1">
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Plants of Ceratozamia in habitat A C. kuesteriana B C. latifolia C C. leptoceras D C. matudae E C. mexicana F C. miqueliana G C. mirandae H C. mixeorum I C. morettii J Epiphytic C. morettii." figureDoi="10.3897/phytokeys.208.80382.figure7" httpUri="https://binary.pensoft.net/fig/746066" pageId="0" pageNumber="1">Fig. 7C</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="materials_examined">
<paragraph pageId="0" pageNumber="1">
<typeStatus>Type</typeStatus>
.
</paragraph>
<paragraph pageId="0" pageNumber="1">
<materialsCitation collectingDate="2019-06-26" collectorName="L. Martinez-Dominguez, F. Nicolalde-Morejon" country="Mexico" elevation="1400" location="San Pedro Cuitlapan" specimenCount="1867" specimenCount-female="1867" stateProvince="Guerrero" typeStatus="holotype">
<collectingCountry name="Mexico">Mexico</collectingCountry>
. 
<collectingRegion country="Mexico" name="Guerrero">Guerrero</collectingRegion>
: Mun. Tlacoachistlahuaca, 
<quantity metricMagnitude="3" metricUnit="m" metricValue="3.0" unit="km" value="3.0">3 km</quantity>
NW de 
<location LSID="urn:lsid:plazi:treatment:20036E4799B65E3BA2EF245D63B9AD7C:79554222AF007872B16D0B36499ECBC7" country="Mexico" name="San Pedro Cuitlapan" stateProvince="Guerrero">San Pedro Cuitlapan</location>
, 
<quantity metricMagnitude="3" metricUnit="m" metricValue="1.4" unit="m" value="1400.0">
<elevation metricMagnitude="3" metricUnit="m" metricValue="1.4" unit="m" value="1400.0">1,400 m</elevation>
</quantity>
, 
<collectingDate value="2019-06-26">26 Jun 2019</collectingDate>
, 
<emphasis italics="true" pageId="0" pageNumber="1">
<collectorName>
L. 
<normalizedToken originalValue="Martínez-Domínguez">Martinez-Dominguez</normalizedToken>
</collectorName>
&amp; 
<collectorName>
F. 
<normalizedToken originalValue="Nicolalde-Morejón">Nicolalde-Morejon</normalizedToken>
</collectorName>
<specimenCount type="female">1867 ♀</specimenCount>
</emphasis>
(
<typeStatus>holotype</typeStatus>
: CIB! [acc. # 22405UV]; isotypes: MEXU!, NY!)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="description">
<paragraph pageId="0" pageNumber="1">Description.</paragraph>
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Stem</emphasis>
30-150 cm long, 11-35 cm in diameter, epigeous, erect to decumbent. 
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Cataphylls</emphasis>
9-11 
<normalizedToken originalValue="×">x</normalizedToken>
2.5-3 cm wide at the base, persistent, triangular, reddish brown, densely brown tomentose abaxially at emergence, pubescent at maturity, apex acuminate. 
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Leaves</emphasis>
7-37 (55), 93.5-281 cm long, descending, green at emergence with sparse reddish brown pubescent, glabrous at maturity. 
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Petiole</emphasis>
45-85 cm long, terete, linear, copperish green in mature leaves; with 50-75 thin prickles, 0.48-0.68 cm long. 
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Rachis</emphasis>
75-196 cm long, terete, linear, green in mature leaves, with prickles. 
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Leaflets</emphasis>
22-61 pairs, opposite to subopposite, insertion in one plane, linear, abaxially curved, not basally falcate, membranaceous, flat, green with adaxial and abaxial sides glabrous, distal end with entire margins, acuminate and symmetrical at the apex, attenuate at base, with conspicuous and greenish veins; median leaflets 28-43.5 
<normalizedToken originalValue="×">x</normalizedToken>
1.9-2.8 cm, 1.8-2.8 cm between leaflets; articulations 0.70-1.15 cm, generally copperish green. 
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Pollen strobili</emphasis>
40-45 cm long 6.0-7.8 cm in diameter, generally solitary (rarely 2), cylindrical, erect, brownish yellow at emergence, yellowish green with brownish trichomes at maturity; peduncle 13-19 cm long, 1.5-2.0 cm in diameter tomentose, reddish brown to brown; microsporophylls 2.1-2.45 
<normalizedToken originalValue="×">x</normalizedToken>
1.09-1.30 cm, obconic with a non-recurved distal face and a deeply lobate fertile portion, infertile portion 0.83-0.96 cm long and linear with straight and thin horns and 0.1-0.23 cm long, 0.44-0.56 cm and an acute angle between the horns. 
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Ovulate strobili</emphasis>
23.5-28 cm long, 9.5-11 cm in diameter, solitary, cylindrical, erect, brownish green with greyish black trichomes at emergence, copperish green with greyish black pubescent at maturity with an acute apex; peduncle 11-16 cm long, 1.5-2.0 cm in diameter, erect, tomentose, brown; megasporophylls 56-81, 8-9 orthostichies with 7-9 sporophylls per orthostichy, 4.9-5.6 
<normalizedToken originalValue="×">x</normalizedToken>
2.2-2.6 cm, with a prominent distal face, horns straight and robust and 0.63-0.81 cm long, 0.95-1.35 cm between horns and angle straight between the horns. 
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Seeds</emphasis>
2.43-2.71 cm in long, 1.4-1.8 cm in diameter, ovoid, sarcotesta whitish pink when immature, light brown at maturity.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="distribution">
<paragraph pageId="0" pageNumber="1">Distribution and habitat.</paragraph>
<paragraph pageId="0" pageNumber="1">
<taxonomicName class="Cycadopsida" family="Zamiaceae" genus="Ceratozamia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ceratozamia leptoceras" order="Cycadales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="leptoceras">
<emphasis italics="true" pageId="0" pageNumber="1">Ceratozamia leptoceras</emphasis>
</taxonomicName>
is endemic to the Sierra Madre del Sur in Guerrero State, Mexico (Fig. 
<figureCitation captionStart="Figure 19" captionStartId="F19" captionText="Figure 19. Distribution of Ceratozamia species A C. huastecorum B C. kuesteriana C C. latifolia D C. leptoceras." figureDoi="10.3897/phytokeys.208.80382.figure19" httpUri="https://binary.pensoft.net/fig/746078" pageId="0" pageNumber="1">19D</figureCitation>
), where it occurs on karstic rocks in cloud forest at 1,170-1,400 m.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="etymology">
<paragraph pageId="0" pageNumber="1">Etymology.</paragraph>
<paragraph pageId="0" pageNumber="1">
The specific epithet is derived from the Greek words that describe the shape of the horns on the sporophylls: 
<normalizedToken originalValue="“lepto”">&quot;lepto&quot;</normalizedToken>
for thin or fine and 
<normalizedToken originalValue="“ceras”">&quot;ceras&quot;</normalizedToken>
in reference to the horns.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="common names">
<paragraph pageId="0" pageNumber="1">Common names.</paragraph>
<paragraph pageId="0" pageNumber="1">
Mexico. Guerrero: 
<normalizedToken originalValue="Shalukaá">Shalukaa</normalizedToken>
is the name used by the 
<normalizedToken originalValue="“Mixteco”">&quot;Mixteco&quot;</normalizedToken>
ethnic group (
<bibRefCitation DOI="https://doi.org/10.3897/phytokeys.156.53502" author="Martinez-Dominguez, L" journalOrPublisher="PhytoKeys" pageId="0" pageNumber="1" pagination="1 - 25" refId="B27" refString="Martinez-Dominguez, L, Nicolalde-Morejon, F, Lorea-Hernandez, F, Vergara-Silva, F, Stevenson, DW, 2020. A novelty in Ceratozamia (Zamiaceae, Cycadales) from the Sierra Madre del Sur, Mexico: Biogeographic and morphological patterns, DNA barcoding and phenology. PhytoKeys 156: 1 - 25, DOI: https://doi.org/10.3897/phytokeys.156.53502" title="A novelty in Ceratozamia (Zamiaceae, Cycadales) from the Sierra Madre del Sur, Mexico: Biogeographic and morphological patterns, DNA barcoding and phenology." url="https://doi.org/10.3897/phytokeys.156.53502" volume="156" year="2020">
<normalizedToken originalValue="Martínez-Domínguez">Martinez-Dominguez</normalizedToken>
et al. 2020
</bibRefCitation>
).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="uses">
<paragraph pageId="0" pageNumber="1">Uses.</paragraph>
<paragraph pageId="0" pageNumber="1">None recorded.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="preliminary conservation status">
<paragraph pageId="0" pageNumber="1">Preliminary conservation status.</paragraph>
<paragraph pageId="0" pageNumber="1">
Only three populations of 
<taxonomicName class="Cycadopsida" family="Zamiaceae" genus="Ceratozamia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ceratozamia leptoceras" order="Cycadales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="leptoceras">
<emphasis italics="true" pageId="0" pageNumber="1">Ceratozamia leptoceras</emphasis>
</taxonomicName>
are known. In particular, one of these populations has few adult plants (approximately 30 individuals). The cloud forests in this area are less affected by anthropogenic pressures; however, this vegetation type is one of the most threatened in Mexico (
<bibRefCitation DOI="https://doi.org/10.1023/A:1020346519085" author="Williams-Linera, G" journalOrPublisher="Biodiversity and Conservation" pageId="0" pageNumber="1" pagination="1825 - 1843" refId="B79" refString="Williams-Linera, G, 2002. Tree species richness complementarity, disturbance and fragmentation in a Mexican tropical montane cloud forest. Biodiversity and Conservation 11 (10): 1825 - 1843, DOI: https://doi.org/10.1023/A:1020346519085" title="Tree species richness complementarity, disturbance and fragmentation in a Mexican tropical montane cloud forest." url="https://doi.org/10.1023/A:1020346519085" volume="11" year="2002">Williams-Linera 2002</bibRefCitation>
). Based upon this information, 
<taxonomicName family="Zamiaceae" kingdom="Plantae" lsidName="C. leptoceras" order="Cycadales" pageId="0" pageNumber="1" rank="species" species="leptoceras">
<emphasis italics="true" pageId="0" pageNumber="1">C. leptoceras</emphasis>
</taxonomicName>
should be considered &quot;Endangered (EN)&quot; in accordance with IUCN criteria.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="discussion">
<paragraph pageId="0" pageNumber="1">Discussion.</paragraph>
<paragraph pageId="0" pageNumber="1">
<taxonomicName class="Cycadopsida" family="Zamiaceae" genus="Ceratozamia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ceratozamia leptoceras" order="Cycadales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="leptoceras">
<emphasis italics="true" pageId="0" pageNumber="1">Ceratozamia leptoceras</emphasis>
</taxonomicName>
is distinguished from 
<taxonomicName family="Zamiaceae" kingdom="Plantae" lsidName="C. oliversacksii" order="Cycadales" pageId="0" pageNumber="1" rank="species" species="oliversacksii">
<emphasis italics="true" pageId="0" pageNumber="1">C. oliversacksii</emphasis>
</taxonomicName>
by its linear and membranaceous leaflets. The main differences are in reproductive structures, 
<taxonomicName family="Zamiaceae" kingdom="Plantae" lsidName="C. leptoceras" order="Cycadales" pageId="0" pageNumber="1" rank="species" species="leptoceras">
<emphasis italics="true" pageId="0" pageNumber="1">C. leptoceras</emphasis>
</taxonomicName>
has and linear infertile portion of microsporophylls and ovulate strobilus with abundant pubescence at the base of the megasporophylls.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="materials_examined">
<paragraph pageId="0" pageNumber="1">Specimens examined.</paragraph>
<paragraph pageId="0" pageNumber="1">
<materialsCitation collectingDate="2022-01-01" collectingDateMax="2022-12-31" collectingDateMin="2022-01-01" collectorName="Mun. Cochoapa El Grande" country="Mexico" location="Guerrero" specimenCount="1" stateProvince="Guerrero">
<collectingCountry name="Mexico">Mexico</collectingCountry>
. 
<emphasis bold="true" pageId="0" pageNumber="1">
<collectingRegion country="Mexico" name="Guerrero">Guerrero</collectingRegion>
: 
<collectorName>Mun. Cochoapa El Grande</collectorName>
</emphasis>
</materialsCitation>
, 
<materialsCitation collectingDate="1984-02-04" collectorName="F. Lorea-Herna" country="Mexico" elevation="1" location="Mun. Tlacoachistlahuaca" specimenCount="1" stateProvince="Guerrero">
<quantity metricMagnitude="0" metricUnit="m" metricValue="1.17" unit="m" value="1.17">
<elevation metricMagnitude="0" metricUnit="m" metricValue="1.17" unit="m" value="1.17">1,170 m</elevation>
</quantity>
, 
<collectingDate value="1984-02-04">4 Feb 1984</collectingDate>
, 
<emphasis italics="true" pageId="0" pageNumber="1">
<collectorName>F. Lorea-Herna</collectorName>
́ndez 2928
</emphasis>
(FCME). 
<emphasis bold="true" pageId="0" pageNumber="1">
<location LSID="urn:lsid:plazi:treatment:20036E4799B65E3BA2EF245D63B9AD7C:006096545738D60BDC0B52E1F7171081" country="Mexico" name="Mun. Tlacoachistlahuaca" stateProvince="Guerrero">Mun. Tlacoachistlahuaca</location>
</emphasis>
</materialsCitation>
, 
<quantity metricMagnitude="0" metricUnit="m" metricValue="1.2" unit="m" value="1.2">1,200 m</quantity>
, 29 May 219, 
<emphasis italics="true" pageId="0" pageNumber="1">F. Nicolalde-Morejón et al. 3173</emphasis>
(XAL), 
<emphasis italics="true" pageId="0" pageNumber="1">3174</emphasis>
(FCME), 
<emphasis italics="true" pageId="0" pageNumber="1">3175</emphasis>
(CIB); 
<quantity metricMagnitude="0" metricUnit="m" metricValue="1.2" unit="m" value="1.2">1,200 m</quantity>
, 
<date value="2019-05-29">29 May 2019</date>
, 
<emphasis italics="true" pageId="0" pageNumber="1">L. Martínez-Domínguez et al. 1756</emphasis>
(CIB), 
<emphasis italics="true" pageId="0" pageNumber="1">1757</emphasis>
(CIB, MEXU), 
<emphasis italics="true" pageId="0" pageNumber="1">1758</emphasis>
(XAL), 
<emphasis italics="true" pageId="0" pageNumber="1">1759</emphasis>
(CIB, MEXU); 
<materialsCitation collectingDate="2019-06-26" collectorName="F. Nicolalde-Morejo" country="Mexico" elevation="1" location="Marti" specimenCount="1" stateProvince="Guerrero">
<quantity metricMagnitude="0" metricUnit="m" metricValue="1.4" unit="m" value="1.4">
<elevation metricMagnitude="0" metricUnit="m" metricValue="1.4" unit="m" value="1.4">1,400 m</elevation>
</quantity>
, 
<collectingDate value="2019-06-26">26 Jun 2019</collectingDate>
, 
<emphasis italics="true" pageId="0" pageNumber="1">
<collectorName>F. Nicolalde-Morejo</collectorName>
́n &amp; L. 
<location LSID="urn:lsid:plazi:treatment:20036E4799B65E3BA2EF245D63B9AD7C:B77A64E5D6646A1A9ADE9591393364A0" country="Mexico" name="Marti" stateProvince="Guerrero">Marti</location>
́nez-Domínguez 3255-3261
</emphasis>
(CIB)
</materialsCitation>
; 
<quantity metricMagnitude="0" metricUnit="m" metricValue="1.4" unit="m" value="1.4">1,400 m</quantity>
, 
<date value="2019-06-26">26 Jun 2019</date>
, 
<emphasis italics="true" pageId="0" pageNumber="1">L. Martínez-Domínguez &amp; F. Nicolalde-Morejón 1860, 1861</emphasis>
(MEXU), 
<emphasis italics="true" pageId="0" pageNumber="1">1862-1866</emphasis>
(CIB).
</paragraph>
</subSubSection>
</treatment>
</document>