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<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="9FBAF21B3BD95E2C88E4645B177BC4CB" 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 huastecorum Avendaño, Vovides &amp; Cast. - Campos, Bot. J. Linn. Soc. 141 (3): 395. 2003" 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:titleInfo>
<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>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>PhytoKeys</mods:title>
</mods:titleInfo>
<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>
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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:9FBAF21B3BD95E2C88E4645B177BC4CB" httpUri="http://treatment.plazi.org/id/9FBAF21B3BD95E2C88E4645B177BC4CB" lastPageNumber="1" pageId="0" pageNumber="1">
<subSubSection pageId="0" pageNumber="1" type="nomenclature">
<paragraph pageId="0" pageNumber="1">
13.
<taxonomicName LSID="9FBAF21B-3BD9-5E2C-88E4-645B177BC4CB" authority="Avendano, Vovides &amp; Cast. - Campos, Bot. J. Linn. Soc. 141 (3): 395. 2003" authorityName="Avendaño, Vovides &amp; Cast. - Campos, Bot. J. Linn. Soc. 141 (3): 395." authorityYear="2003" class="Cycadopsida" family="Zamiaceae" genus="Ceratozamia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ceratozamia huastecorum" order="Cycadales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="huastecorum">
Ceratozamia huastecorum
<normalizedToken originalValue="Avendaño">Avendano</normalizedToken>
, Vovides &amp; Cast.-Campos, Bot. J. Linn. Soc. 141(3): 395. 2003
</taxonomicName>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="description">
<paragraph pageId="0" pageNumber="1">
<figureCitation captionStart="Figure 15" captionStartId="F15" captionText="Figure 15. Plants of Ceratozamia in habitat A C. alvarezii B C. aurantiaca C C. becerrae D C. brevifrons E C. chamberlainii F C. chimalapensis G C. decumbens H C. delucana I C. euryphyllidia J C. fuscoviridis K C. hondurensis L C. huastecorum." figureDoi="10.3897/phytokeys.208.80382.figure15" httpUri="https://binary.pensoft.net/fig/746074" pageId="0" pageNumber="1">Fig. 15L</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="1981-12-16" collectorName="G. Castillo-Campos" country="Mexico" elevation="1300" location="Sierra de San Juan Otontepec" specimenCount="2567" specimenCount-female="2567" stateProvince="Veracruz" typeStatus="holotype">
<collectingCountry name="Mexico">Mexico</collectingCountry>
.
<collectingRegion country="Mexico" name="Veracruz de Ignacio de la Llave">Veracruz</collectingRegion>
: Mun. Tepetzintla,
<location LSID="urn:lsid:plazi:treatment:9FBAF21B3BD95E2C88E4645B177BC4CB:39C02A21B3595F58BB4B23DEC47B9E58" country="Mexico" name="Sierra de San Juan Otontepec" stateProvince="Veracruz">Sierra de San Juan Otontepec</location>
,
<quantity metricMagnitude="3" metricUnit="m" metricValue="1.3" unit="m" value="1300.0">
<elevation metricMagnitude="3" metricUnit="m" metricValue="1.3" unit="m" value="1300.0">1,300 m</elevation>
</quantity>
,
<collectingDate value="1981-12-16">16 Dec 1981</collectingDate>
,
<emphasis italics="true" pageId="0" pageNumber="1">
<collectorName>G. Castillo-Campos</collectorName>
et al.
<specimenCount type="female">2567 ♀</specimenCount>
</emphasis>
(
<typeStatus>holotype</typeStatus>
: XAL! [XAL0016937])
</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>
20-50 cm long, 14-20 cm in diameter, semi-hypogeous, erect and decumbent.
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Cataphylls</emphasis>
3.0-4.0
<normalizedToken originalValue="×">x</normalizedToken>
2.5-3.0 cm wide at the base, persistent, triangular, reddish brown, densely brown tomentose at emergence, glabrous at maturity, apex acuminate.
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Leaves</emphasis>
4-7, 50-80 cm long, ascending, light green at emergence with whitish gray trichomes, glabrous at maturity.
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Petiole</emphasis>
20-40 cm long, terete, linear, green in mature leaves; with 10-30 thin prickles 0.21-0.35 cm long.
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Rachis</emphasis>
40-70 cm long, terete, linear, green in mature leaves, with prickles.
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Leaflets</emphasis>
8-18 pairs, opposite to subopposite, insertion in one plane, oblong, in general longitudinally planar, not basally falcate, coriaceous, flat, green with adaxial side glabrous and abaxial side glaucous, distal end with entire margins, acuminate and asymmetrical at the apex, attenuate at base, with prominent and light-green veins; median leaflets 12-22
<normalizedToken originalValue="×">x</normalizedToken>
2.5-6 cm, 1.6-5 cm between leaflets; articulations 0.4-1.1 cm wide, green.
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Pollen strobili</emphasis>
15-18 cm long, 2.5-3.2 cm in diameter, solitary, cylindrical, erect, yellowish green at emergence, yellowish cream with blackish trichomes at maturity; peduncle 6-23 cm long, 1.6-2.2 cm in diameter, tomentose, brown; microsporophylls 0.8-1.2
<normalizedToken originalValue="×">x</normalizedToken>
0.72-1.0 cm, discoid with a non-recurved distal face and a lobate fertile portion, infertile portion 0.28-0.35 cm long and orbicular with straight horns 0.11-0.18 cm long, 0.50-0.68 cm and an acute angle between the horns.
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Ovulate strobili</emphasis>
13.5-18 cm long, 6-10 cm in diameter, solitary, cylindrical, erect, green at emergence, dark green with abundant blackish trichomes at maturity, acuminate apex; peduncle 3-8 cm long, 1.0-2.2 cm in diameter, erect, tomentose, brown; megasporophylls 54-99, 9-10 orthostichies with 6-9 sporophylls per orthostichy, 1.4-1.8
<normalizedToken originalValue="×">x</normalizedToken>
1.8-2.0 cm, with a truncate distal face, horns straight and 0.40-0.56 cm long, 1.0-1.60 cm between the horns with an acute angle between the horns.
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Seeds</emphasis>
1.1-1.5 cm long, 1.0-1.2 cm in diameter, ovate, sarcotesta 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 huastecorum" order="Cycadales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="huastecorum">
<emphasis italics="true" pageId="0" pageNumber="1">Ceratozamia huastecorum</emphasis>
</taxonomicName>
is endemic to the Sierra de Otontepec in the northwest of Veracruz 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">19A</figureCitation>
) where it occurs in cloud forest on clay soils with rocky outcrops at 800 to 1,300 m.
</paragraph>
<caption doi="10.3897/phytokeys.208.80382.figure19" httpUri="https://binary.pensoft.net/fig/746078" pageId="0" pageNumber="1" start="Figure 19" startId="F19">
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" pageId="0" pageNumber="1">Figure 19.</emphasis>
Distribution of
<taxonomicName class="Cycadopsida" family="Zamiaceae" genus="Ceratozamia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ceratozamia" order="Cycadales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="1">Ceratozamia</emphasis>
</taxonomicName>
species
<emphasis bold="true" pageId="0" pageNumber="1">A</emphasis>
<taxonomicName family="Zamiaceae" kingdom="Plantae" lsidName="C. huastecorum" order="Cycadales" pageId="0" pageNumber="1" rank="species" species="huastecorum">
<emphasis italics="true" pageId="0" pageNumber="1">C. huastecorum</emphasis>
</taxonomicName>
<emphasis bold="true" pageId="0" pageNumber="1">B</emphasis>
<taxonomicName family="Zamiaceae" kingdom="Plantae" lsidName="C. kuesteriana" order="Cycadales" pageId="0" pageNumber="1" rank="species" species="kuesteriana">
<emphasis italics="true" pageId="0" pageNumber="1">C. kuesteriana</emphasis>
</taxonomicName>
<emphasis bold="true" pageId="0" pageNumber="1">C</emphasis>
<taxonomicName family="Zamiaceae" kingdom="Plantae" lsidName="C. latifolia" order="Cycadales" pageId="0" pageNumber="1" rank="species" species="latifolia">
<emphasis italics="true" pageId="0" pageNumber="1">C. latifolia</emphasis>
</taxonomicName>
<emphasis bold="true" pageId="0" pageNumber="1">D</emphasis>
<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>
.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="etymology">
<paragraph pageId="0" pageNumber="1">Etymology.</paragraph>
<paragraph pageId="0" pageNumber="1">The specific epithet commemorates the Huasteca region, where this species is found; this region has cultural importance in Veracruz, Mexico.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="common names">
<paragraph pageId="0" pageNumber="1">Common names.</paragraph>
<paragraph pageId="0" pageNumber="1">
Mexico. Veracruz: Palmilla (
<bibRefCitation DOI="https://doi.org/10.1186/s13002-018-0282-z" author="Bonta, M" journalOrPublisher="Journal of Ethnobiology and Ethnomedicine" pageId="0" pageNumber="1" pagination=": 15" refId="B2" refString="Bonta, M, Pulido-Silva, MT, Diego-Vargas, T, Vite-Reyes, A, Vovides, AP, Cibrian-Jaramillo, A, 2019. Ethnobotany of Mexican and northern Central American cycads (Zamiaceae). Journal of Ethnobiology and Ethnomedicine 4 (1): 15, DOI: https://doi.org/10.1186/s13002-018-0282-z" title="Ethnobotany of Mexican and northern Central American cycads (Zamiaceae)." url="https://doi.org/10.1186/s13002-018-0282-z" volume="4" year="2019">Bonta et al. 2019</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="conservation status">
<paragraph pageId="0" pageNumber="1">Conservation status.</paragraph>
<paragraph pageId="0" pageNumber="1">
(
<bibRefCitation author="Haynes, JL" journalOrPublisher="Phytotaxa" pageId="0" pageNumber="1" publicationUrl="https://www.iucnredlist.org" refId="B17" refString="2021. . https://www.iucnredlist.org" url="https://www.iucnredlist.org" year="2021">IUCN 2021</bibRefCitation>
).
<taxonomicName class="Cycadopsida" family="Zamiaceae" genus="Ceratozamia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ceratozamia huastecorum" order="Cycadales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="huastecorum">
<emphasis italics="true" pageId="0" pageNumber="1">Ceratozamia huastecorum</emphasis>
</taxonomicName>
is currently listed as &quot;Critically Endangered&quot; under criteria B2ab(iii,v).
</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 huastecorum" order="Cycadales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="huastecorum">
<emphasis italics="true" pageId="0" pageNumber="1">Ceratozamia huastecorum</emphasis>
</taxonomicName>
has a close morphological similarity to
<taxonomicName family="Zamiaceae" kingdom="Plantae" lsidName="C. latifolia" order="Cycadales" pageId="0" pageNumber="1" rank="species" species="latifolia">
<emphasis italics="true" pageId="0" pageNumber="1">C. latifolia</emphasis>
</taxonomicName>
. However,
<taxonomicName family="Zamiaceae" kingdom="Plantae" lsidName="C. huastecorum" order="Cycadales" pageId="0" pageNumber="1" rank="species" species="huastecorum">
<emphasis italics="true" pageId="0" pageNumber="1">C. huastecorum</emphasis>
</taxonomicName>
has light-green emergent leaves and coriaceous leaflets, whereas in
<taxonomicName family="Zamiaceae" kingdom="Plantae" lsidName="C. latifolia" order="Cycadales" pageId="0" pageNumber="1" rank="species" species="latifolia">
<emphasis italics="true" pageId="0" pageNumber="1">C. latifolia</emphasis>
</taxonomicName>
the leaflets are reddish brown at emergence and papyraceous. In addition, the ovulate strobili are larger than
<taxonomicName family="Zamiaceae" kingdom="Plantae" lsidName="C. latifolia" order="Cycadales" pageId="0" pageNumber="1" rank="species" species="latifolia">
<emphasis italics="true" pageId="0" pageNumber="1">C. latifolia</emphasis>
</taxonomicName>
, with 9 to 10 orthostichies as compared to
<taxonomicName family="Zamiaceae" kingdom="Plantae" lsidName="C. latifolia" order="Cycadales" pageId="0" pageNumber="1" rank="species" species="latifolia">
<emphasis italics="true" pageId="0" pageNumber="1">C. latifolia</emphasis>
</taxonomicName>
with 4-7 orthostichies.
</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. Tepetzintla" country="Mexico" location="Veracruz" specimenCount="1" stateProvince="Veracruz">
<collectingCountry name="Mexico">Mexico</collectingCountry>
.
<emphasis bold="true" pageId="0" pageNumber="1">
<collectingRegion country="Mexico" name="Veracruz de Ignacio de la Llave">Veracruz</collectingRegion>
:
<collectorName>Mun. Tepetzintla</collectorName>
</emphasis>
</materialsCitation>
,
<quantity metricMagnitude="0" metricUnit="m" metricValue="1.25" unit="m" value="1.25">1,250 m</quantity>
,
<date value="1981-08-26">26 Aug 1981</date>
,
<emphasis italics="true" pageId="0" pageNumber="1">G. Castillo-Campos &amp; A. Benavides M. 2215</emphasis>
(XAL);
<quantity metricMagnitude="0" metricUnit="m" metricValue="1.2" unit="m" value="1.2">1,200 m</quantity>
,
<date value="1981-08-27">27 Aug 1981</date>
,
<emphasis italics="true" pageId="0" pageNumber="1">G. Castillo-Campos &amp; A. Benavides M. 2232, 2244</emphasis>
(XAL);
<quantity metricMagnitude="2" metricUnit="m" metricValue="8.2" unit="m" value="820.0">820 m</quantity>
,
<date value="1981-12-14">14 Dec 1981</date>
,
<emphasis italics="true" pageId="0" pageNumber="1">G. Castillo-Campos 2480, 2481, 2482</emphasis>
(XAL);
<quantity metricMagnitude="2" metricUnit="m" metricValue="8.5" unit="m" value="850.0">850 m</quantity>
,
<date value="1986-01-10">10 Jan 1986</date>
,
<emphasis italics="true" pageId="0" pageNumber="1">G. Castillo-Campos 4472</emphasis>
(XAL);
<materialsCitation collectingDate="1989-09-20" country="CH" location="Zamora" specimenCount="1">
<collectingDate value="1989-09-20">20 Sep 1989</collectingDate>
,
<emphasis italics="true" pageId="0" pageNumber="1">
P.
<location LSID="urn:lsid:plazi:treatment:9FBAF21B3BD95E2C88E4645B177BC4CB:2F8C4F921E619B93D2A504744F7FC8B8" country="CH" name="Zamora">Zamora</location>
C. et al. 1197
</emphasis>
(
<collectingCountry name="Switzerland">CH</collectingCountry>
, MEXU, XAL)
</materialsCitation>
;
<date value="1989-09-21">21 Sep 1989</date>
,
<emphasis italics="true" pageId="0" pageNumber="1">P. Zamora et al. 1249</emphasis>
(MEXU, XAL).
</paragraph>
</subSubSection>
</treatment>
</document>