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<document id="D5109863F069B37E8FCF37D8B9BC8045" ID-CLB-Dataset="302201" ID-DOI="10.11646/phytotaxa.275.3.5" ID-GBIF-Dataset="a16759a7-7ee8-4561-9292-ccb7729ab467" ID-ISSN="1179-3163" ID-Zenodo-Dep="13654291" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="GgImagineBatch" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1725384591969" checkinUser="felipe" docAuthor="Chen, Shi-Pin, Ma, Liang, Lan, Si-Ren &amp; Li, Ming-He" docDate="2016" docId="03BC87FDFFC2FFEBFF0718C9FC73FA75" docLanguage="en" docName="phytotaxa.275.3.5.pdf" docOrigin="Phytotaxa 275 (3)" docSource="http://dx.doi.org/10.11646/phytotaxa.275.3.5" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="13" docTitle="Dendrobium zhenghuoense S. P. Chen, L. Ma &amp; M. H. Li. A. Habit. B. Flower 2016, sp. nov." docType="treatment" docVersion="3" lastPageNumber="285" masterDocId="FF85FF85FFCAFFE3FF8F183DFFDCFFFA" masterDocTitle="Morphological and molecular evidence for a new species from China: Dendrobium zhenghuoense (Epidendroideae; Orchidaceae)" masterLastPageNumber="286" masterPageNumber="277" pageNumber="285" updateTime="1725402162272" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="07CCB22C1E012AD1305D45B11CB5A75A">Morphological and molecular evidence for a new species from China: Dendrobium zhenghuoense (Epidendroideae; Orchidaceae)</mods:title>
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<mods:namePart id="E6A0537E5835E5C25EA8F6D044590688">Chen, Shi-Pin</mods:namePart>
<mods:affiliation id="9C6788B9A257C9751BDDFA225B321518">College of Forestry, Fujian Agriculture and Forestry University, Fuzhou 350002, China &amp; Orchid Conservation and Research Center of Fujian Agriculture and Forestry University, Fuzhou 350002, China</mods:affiliation>
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<mods:namePart id="540FF5CF4EC8BD7004A9DEDB10495A9B">Ma, Liang</mods:namePart>
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<mods:namePart id="7A4E7555A285B2CDA46F6915753C53A2">Lan, Si-Ren</mods:namePart>
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<treatment id="03BC87FDFFC2FFEBFF0718C9FC73FA75" ID-DOI="http://doi.org/10.5281/zenodo.13654305" ID-GBIF-Taxon="240248729" ID-Zenodo-Dep="13654305" LSID="urn:lsid:plazi:treatment:03BC87FDFFC2FFEBFF0718C9FC73FA75" httpUri="http://treatment.plazi.org/id/03BC87FDFFC2FFEBFF0718C9FC73FA75" lastPageNumber="285" pageId="8" pageNumber="285">
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<paragraph id="8BAA36EBFFC2FFEBFF0718C9FBB9FEF5" blockId="8.[136,1125,243,271]" box="[136,1125,243,271]" pageId="8" pageNumber="285">
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<taxonomicName id="4C154D68FFC2FFEBFF0718C9FCD7FEF5" ID-CoL="34NY3" authority="S.P. Chen, L. Ma &amp; M.H. Li" authorityName="S. P. Chen, L. Ma &amp; M. H. Li. A. Habit. B. Flower" authorityYear="2016" box="[136,779,244,271]" class="Liliopsida" family="Orchidaceae" genus="Dendrobium" kingdom="Plantae" order="Asparagales" pageId="8" pageNumber="285" phylum="Tracheophyta" rank="species" species="zhenghuoense" status="sp. nov.">
<emphasis id="B961EAF9FFC2FFEBFF0718C9FE1AFEF5" bold="true" box="[136,454,244,271]" italics="true" pageId="8" pageNumber="285">Dendrobium zhenghuoense</emphasis>
S.P. Chen, L. Ma &amp; M.H. Li
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<emphasis id="B961EAF9FFC2FFEBFC9D18CBFCBBFEF5" box="[786,871,246,271]" italics="true" pageId="8" pageNumber="285">
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</emphasis>
(
<emphasis id="B961EAF9FFC2FFEBFCF918CEFC3AFEF5" bold="true" box="[886,998,243,271]" pageId="8" pageNumber="285">úffihfi</emphasis>
,
<figureCitation id="132E2A6EFFC2FFEBFC7B18CBFB9EFEF5" box="[1012,1090,246,271]" captionStart="FIGURE 2" captionStartId="6.[136,229,2029,2050]" captionTargetBox="[210,1371,254,2003]" captionTargetId="figure-30@6.[195,1392,242,2004]" captionTargetPageId="6" captionText="FIGURE 2. Dendrobium zhenghuoense S.P. Chen, L. Ma &amp; M.H. Li.A. Habit.B. Flower, ventral view. C. Flower, side view. D. Pollinium. E. Dorsal sepal, petal, lateral sepal, and lip (clockwise). F. Lip and column, longitudinal section. Drawn by Zheng-Meng Yang." figureDoi="http://doi.org/10.5281/zenodo.13654297" httpUri="https://zenodo.org/record/13654297/files/figure.png" pageId="8" pageNumber="285">Figs. 2</figureCitation>
,
<figureCitation id="132E2A6EFFC2FFEBFBC118CBFB80FEF5" box="[1102,1116,246,271]" captionStart="FIGURE 3" captionStartId="7.[136,229,1979,2000]" captionTargetBox="[275,1309,205,1935]" captionTargetId="figure-14@7.[265,1323,190,1954]" captionTargetPageId="7" captionText="FIGURE 3. Dendrobium zhenghuoense S.P. Chen, L. Ma &amp; M.H. Li. A. Flowering plant. B. Flower, side view. C. Flower, front view. D. Anatomy of the flower." figureDoi="http://doi.org/10.5281/zenodo.13654301" httpUri="https://zenodo.org/record/13654301/files/figure.png" pageId="8" pageNumber="285">3</figureCitation>
)
</heading>
</paragraph>
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<subSubSection id="C30F6560FFC2FFEBFF07197DFDACFBF9" pageId="8" pageNumber="285" type="materials_examined">
<paragraph id="8BAA36EBFFC2FFEBFF07197DFED4FE83" blockId="8.[136,1453,318,521]" pageId="8" pageNumber="285">
Type:—
<collectingCountry id="F302767BFFC2FFEBFF58197DFECFFEAF" box="[215,275,320,341]" name="China" pageId="8" pageNumber="285">China</collectingCountry>
.
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(
<emphasis id="B961EAF9FFC2FFEBFEEA1903FE49FEAF" bold="true" box="[357,405,318,341]" pageId="8" pageNumber="285">AEû</emphasis>
): Zhenghe (
<emphasis id="B961EAF9FFC2FFEBFD851903FDE6FEAF" bold="true" box="[522,570,318,341]" pageId="8" pageNumber="285">úffi</emphasis>
), epiphytic on tree trunks in forests, alt.
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,
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,
<emphasis id="B961EAF9FFC2FFEBFBF2197DFA98FEAF" box="[1149,1348,320,341]" italics="true" pageId="8" pageNumber="285">Li Minghe 20160501</emphasis>
(
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,
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).
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Diagnosis: This new species is characterized by possessing short stems with 2 to 3 nodes, 1-flowered inflorescence borne from the upper nodes of older leafless stems, yellowish-green flowers with reddish-green plaque at the front of lip, and a long pedicel and mentum. The new species is similar to
<taxonomicName id="4C154D68FFC2FFEBFE5519EDFD87FE1F" authorityName="Liu &amp; Chen" authorityYear="2011" box="[474,603,464,485]" class="Liliopsida" family="Orchidaceae" genus="Dendrobium" kingdom="Plantae" order="Asparagales" pageId="8" pageNumber="285" phylum="Tracheophyta" rank="species" species="hekouense">
<emphasis id="B961EAF9FFC2FFEBFE5519EDFD87FE1F" box="[474,603,464,485]" italics="true" pageId="8" pageNumber="285">D. hekouense</emphasis>
</taxonomicName>
and
<taxonomicName id="4C154D68FFC2FFEBFD0519EDFD11FE1F" box="[650,717,464,485]" class="Liliopsida" family="Orchidaceae" genus="Dendrobium" kingdom="Plantae" order="Asparagales" pageId="8" pageNumber="285" phylum="Tracheophyta" rank="species" species="luoi">
<emphasis id="B961EAF9FFC2FFEBFD0519EDFD11FE1F" box="[650,717,464,485]" italics="true" pageId="8" pageNumber="285">D. luoi</emphasis>
</taxonomicName>
, but can be distinguished by the size of stem and mentum, shorter peduncle, and increased length of pedicel, ovary, and lip.
</paragraph>
<paragraph id="8BAA36EBFFC2FFEBFF071A07FE21FC25" blockId="8.[136,1452,570,1423]" pageId="8" pageNumber="285">
Epiphytic herb; plants short, ca. 4.0 cm. Rhizome ca.
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in diameter, abbreviated, prostrate. Stems clustered, golden-yellow when dry, stout, ovate-elliptic,
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long, up to
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wide, 2- to 3-noded; internodes
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long, somewhat swollen, each covered with a membranous yellowish-white sheath; young stems sheathed at the basal nodes, 2- to 3-leaved, tender; old stems leafless. Leaves obovate-elliptic or narrowly lanceolate,
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× 2.0
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, apex usually unequally bilobed, sheaths amplexicaul. Inflorescences 1-flowered, borne from the upper nodes of older leafless stems; peduncle
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long, 1-noded, with a broadly ovate, acuminate bract; basal sheaths 2 or 3, membranous. Pedicel and ovary
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long. Flowers, fragrant, thick, yellowish-green with a reddish-green plaque at the front of the lip. Dorsal sepals ovate, 8.59.0 ×
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, apex acuminate; lateral sepals obliquely ovate, 0.91.0 ×
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, apex acuminate; mentum ca. 1.21.4 ×
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, apex rounded. Petals oblong-lanceolate, ca. 8.59.5 × 3.04.0 mm, apex acuminate; lip elliptic-ovate to flabellate, 2.22.4 ×
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, adaxial surface with curly hairs in center above the middle, margin undulate. Column ca. 2.0 mm long with a foot
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long; anther cap subglobose; pollinia 4, in 2 pairs.
</paragraph>
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<emphasis id="B961EAF9FFC2FFEBFF321BD7FE9FFBF9" bold="true" box="[189,323,1002,1027]" pageId="8" pageNumber="285">Phenology:</emphasis>
—Flowering April to May.
</paragraph>
</subSubSection>
<subSubSection id="C30F6560FFC2FFEBFF321C33FC18FBB1" pageId="8" pageNumber="285" type="distribution">
<paragraph id="8BAA36EBFFC2FFEBFF321C33FC18FBB1" blockId="8.[136,1452,570,1423]" pageId="8" pageNumber="285">
<emphasis id="B961EAF9FFC2FFEBFF321C33FE2EFBDD" bold="true" box="[189,498,1038,1063]" pageId="8" pageNumber="285">Distribution and habitat:</emphasis>
<taxonomicName id="4C154D68FFC2FFEBFD961C33FC91FBDD" authorityName="S. P. Chen, L. Ma &amp; M. H. Li. A. Habit. B. Flower" authorityYear="2016" box="[537,845,1038,1063]" class="Liliopsida" family="Orchidaceae" genus="Dendrobium" kingdom="Plantae" order="Asparagales" pageId="8" pageNumber="285" phylum="Tracheophyta" rank="species" species="zhenghuoense">
<emphasis id="B961EAF9FFC2FFEBFD961C33FC91FBDD" box="[537,845,1038,1063]" italics="true" pageId="8" pageNumber="285">Dendrobium zhenghuoense</emphasis>
</taxonomicName>
is epiphytic on conifers in a coniferous and broad-leaved mixed forest at
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in Zhenghe County,
<collectingRegion id="49D1F809FFC2FFEBFD361C0FFCB2FBB1" box="[697,878,1074,1099]" country="China" name="Fujian" pageId="8" pageNumber="285">Fujian Province</collectingRegion>
,
<collectingCountry id="F302767BFFC2FFEBFCF61C0FFC1CFBB1" box="[889,960,1074,1099]" name="China" pageId="8" pageNumber="285">China</collectingCountry>
.
</paragraph>
</subSubSection>
<subSubSection id="C30F6560FFC2FFEBFF321C6BFC73FA75" pageId="8" pageNumber="285" type="etymology">
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<emphasis id="B961EAF9FFC2FFEBFF321C6BFE94FB95" bold="true" box="[189,328,1110,1135]" pageId="8" pageNumber="285">Etymology:</emphasis>
—The specific epithet refers to the only locality where this new species has been found thus far.
</paragraph>
<paragraph id="8BAA36EBFFC2FFEBFF321C47FBC5FB05" blockId="8.[136,1452,570,1423]" pageId="8" pageNumber="285">
<emphasis id="B961EAF9FFC2FFEBFF321C47FE64FB69" bold="true" box="[189,440,1146,1171]" pageId="8" pageNumber="285">Conservation status:</emphasis>
The new species was found in only two populations, each of which consisted of no more than 40 individuals. Using the World Conservation Union Red List Categories and Criteria (
<bibRefCitation id="EF844B1AFFC2FFEBFB661CA3FAA7FB4D" author="IUCN" box="[1257,1403,1182,1207]" pageId="8" pageNumber="285" refId="ref5066" refString="IUCN (2012) IUCN Red List Categories and Criteria: Version 3.1. Second edition. Gland, Switzerland and Cambridge, 32 pp." type="book" year="2012">IUCN, 2012</bibRefCitation>
),
<taxonomicName id="4C154D68FFC2FFEBFA1F1CA3FEF9FB21" authorityName="S. P. Chen, L. Ma &amp; M. H. Li. A. Habit. B. Flower" authorityYear="2016" class="Liliopsida" family="Orchidaceae" genus="Dendrobium" kingdom="Plantae" order="Asparagales" pageId="8" pageNumber="285" phylum="Tracheophyta" rank="species" species="zhenghuoense">
<emphasis id="B961EAF9FFC2FFEBFA1F1CA3FEF9FB21" italics="true" pageId="8" pageNumber="285">D. zhenghuoense</emphasis>
</taxonomicName>
should be treated as critically endangered. We have not given the precise locality of
<taxonomicName id="4C154D68FFC2FFEBFB551CFFFA51FB21" box="[1242,1421,1218,1243]" class="Liliopsida" family="Orchidaceae" genus="Dendrobium" kingdom="Plantae" order="Asparagales" pageId="8" pageNumber="285" phylum="Tracheophyta" rank="species" species="zhenghuoens">
<emphasis id="B961EAF9FFC2FFEBFB551CFFFA51FB21" box="[1242,1421,1218,1243]" italics="true" pageId="8" pageNumber="285">D. zhenghuoens</emphasis>
</taxonomicName>
as we are concerned that the beautiful species may be the target of illegal collection.
</paragraph>
<paragraph id="8BAA36EBFFC2FFEBFF321D37FC73FA75" blockId="8.[136,1452,570,1423]" pageId="8" pageNumber="285">
<emphasis id="B961EAF9FFC2FFEBFF321D37FE41FAD9" bold="true" box="[189,413,1290,1315]" pageId="8" pageNumber="285">Taxonomic notes:</emphasis>
<taxonomicName id="4C154D68FFC2FFEBFE361D37FD2BFAD9" authorityName="S. P. Chen, L. Ma &amp; M. H. Li. A. Habit. B. Flower" authorityYear="2016" box="[441,759,1290,1315]" class="Liliopsida" family="Orchidaceae" genus="Dendrobium" kingdom="Plantae" order="Asparagales" pageId="8" pageNumber="285" phylum="Tracheophyta" rank="species" species="zhenghuoense">
<emphasis id="B961EAF9FFC2FFEBFE361D37FD2BFAD9" box="[441,759,1290,1315]" italics="true" pageId="8" pageNumber="285">Dendrobium zhenghuoense</emphasis>
</taxonomicName>
is very distinctive among
<taxonomicName id="4C154D68FFC2FFEBFBEA1D37FA83FAD9" box="[1125,1375,1290,1315]" class="Liliopsida" family="Orchidaceae" genus="Dendrobium" kingdom="Plantae" order="Asparagales" pageId="8" pageNumber="285" phylum="Tracheophyta" rank="species" species="undetermined">
<emphasis id="B961EAF9FFC2FFEBFBEA1D37FB2DFAD9" box="[1125,1265,1290,1315]" italics="true" pageId="8" pageNumber="285">Dendrobium</emphasis>
species.
</taxonomicName>
It is morphologically similar to
<taxonomicName id="4C154D68FFC2FFEBFE361D13FDD4FABD" box="[441,520,1326,1351]" class="Liliopsida" family="Orchidaceae" genus="Dendrobium" kingdom="Plantae" order="Asparagales" pageId="8" pageNumber="285" phylum="Tracheophyta" rank="species" species="luoi">
<emphasis id="B961EAF9FFC2FFEBFE361D13FE11FABD" box="[441,461,1326,1351]" italics="true" pageId="8" pageNumber="285">D</emphasis>
.
<emphasis id="B961EAF9FFC2FFEBFE531D13FDD4FABD" box="[476,520,1326,1351]" italics="true" pageId="8" pageNumber="285">luoi</emphasis>
</taxonomicName>
, but can be distinguished by its yellowish-green flowers; shorter peduncle (
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vs. 7.09.0 mm); longer lip (
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vs.
<quantity id="4CED9B0EFFC2FFEBFD2F1D6FFCFCFA91" box="[672,800,1362,1387]" metricMagnitude="-2" metricUnit="m" metricValue="1.75" metricValueMax="1.8" metricValueMin="1.7" pageId="8" pageNumber="285" unit="cm" value="1.75" valueMax="1.8" valueMin="1.7">1.71.8 cm</quantity>
), longer pedicel &amp; ovary (
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vs. 2.0
<quantity id="4CED9B0EFFC2FFEBFAAD1D6FFAACFA91" box="[1314,1392,1362,1387]" metricMagnitude="-2" metricUnit="m" metricValue="2.5" pageId="8" pageNumber="285" unit="cm" value="2.5">2.5 cm</quantity>
), and mentum size (1.21.4 ×
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vs. 1.01.2 ×
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) (
<tableCitation id="C6970350FFC2FFEBFCC51D4BFC7DFA75" box="[842,929,1398,1423]" captionStart="TABLE 3" captionStartId="5.[136,216,1271,1292]" captionText="TABLE 3. Morphological comparisons for Dendrobium zhenghuoense, D. luoi, D. hekouense and D. leptocladum." pageId="8" pageNumber="285">Table 3</tableCitation>
).
</paragraph>
</subSubSection>
</treatment>
</document>