187 lines
15 KiB
XML
187 lines
15 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.138.38781" ID-PMC="PMC6968977" ID-Pensoft-Pub="1314-2003-138-113" ID-Pensoft-UUID="89D20EBD4AD45B50A34E100CCA4E1757" ID-PubMed="31988606" ModsDocID="1314-2003-138-113" checkinTime="1578757496254" checkinUser="pensoft" docAuthor="Liu, Qiang, Zhou, Shi-Shun, Li, Ren, Tan, Yun-Hong, Zyaw, Myint, Xing, Xiao-Ke & Gao, Jiang-Yun" docDate="2020" docId="0D30E0A88B7B57989BBA9AC0F91ED2E2" docLanguage="en" docName="PhytoKeys 138: 113-123" docOrigin="PhytoKeys 138" docSource="http://dx.doi.org/10.3897/phytokeys.138.38781" docTitle="Gastrochilus corymbosus A. P. Das & Chanda 1988" docType="treatment" docVersion="5" id="89D20EBD4AD45B50A34E100CCA4E1757" lastPageNumber="113" masterDocId="89D20EBD4AD45B50A34E100CCA4E1757" masterDocTitle="Notes on the genus Gastrochilus (Orchidaceae) in Myanmar" masterLastPageNumber="123" masterPageNumber="113" pageNumber="113" updateTime="1668139600269" updateUser="ExternalLinkService">
|
||
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
|
||
<mods:titleInfo>
|
||
<mods:title>Notes on the genus Gastrochilus (Orchidaceae) in Myanmar</mods:title>
|
||
</mods:titleInfo>
|
||
<mods:name type="personal">
|
||
<mods:role>
|
||
<mods:roleTerm>Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart>Liu, Qiang</mods:namePart>
|
||
</mods:name>
|
||
<mods:name type="personal">
|
||
<mods:role>
|
||
<mods:roleTerm>Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart>Zhou, Shi-Shun</mods:namePart>
|
||
</mods:name>
|
||
<mods:name type="personal">
|
||
<mods:role>
|
||
<mods:roleTerm>Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart>Li, Ren</mods:namePart>
|
||
</mods:name>
|
||
<mods:name type="personal">
|
||
<mods:role>
|
||
<mods:roleTerm>Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart>Tan, Yun-Hong</mods:namePart>
|
||
</mods:name>
|
||
<mods:name type="personal">
|
||
<mods:role>
|
||
<mods:roleTerm>Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart>Zyaw, Myint</mods:namePart>
|
||
</mods:name>
|
||
<mods:name type="personal">
|
||
<mods:role>
|
||
<mods:roleTerm>Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart>Xing, Xiao-Ke</mods:namePart>
|
||
</mods:name>
|
||
<mods:name type="personal">
|
||
<mods:role>
|
||
<mods:roleTerm>Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart>Gao, Jiang-Yun</mods:namePart>
|
||
</mods:name>
|
||
<mods:typeOfResource>text</mods:typeOfResource>
|
||
<mods:relatedItem type="host">
|
||
<mods:titleInfo>
|
||
<mods:title>PhytoKeys</mods:title>
|
||
</mods:titleInfo>
|
||
<mods:part>
|
||
<mods:date>2020</mods:date>
|
||
<mods:detail type="volume">
|
||
<mods:number>138</mods:number>
|
||
</mods:detail>
|
||
<mods:extent unit="page">
|
||
<mods:start>113</mods:start>
|
||
<mods:end>123</mods:end>
|
||
</mods:extent>
|
||
</mods:part>
|
||
</mods:relatedItem>
|
||
<mods:location>
|
||
<mods:url>http://dx.doi.org/10.3897/phytokeys.138.38781</mods:url>
|
||
</mods:location>
|
||
<mods:classification>journal article</mods:classification>
|
||
<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.138.38781</mods:identifier>
|
||
<mods:identifier type="Pensoft-Pub">1314-2003-138-113</mods:identifier>
|
||
<mods:identifier type="Pensoft-UUID">89D20EBD4AD45B50A34E100CCA4E1757</mods:identifier>
|
||
</mods:mods>
|
||
<treatment ID-GBIF-Taxon="161671972" LSID="urn:lsid:plazi:treatment:0D30E0A88B7B57989BBA9AC0F91ED2E2" httpUri="http://treatment.plazi.org/id/0D30E0A88B7B57989BBA9AC0F91ED2E2" lastPageNumber="113" pageId="0" pageNumber="113">
|
||
<subSubSection pageId="0" pageNumber="113" type="nomenclature">
|
||
<paragraph pageId="0" pageNumber="113">
|
||
<taxonomicName LSID="0D30E0A8-8B7B-5798-9BBA-9AC0F91ED2E2" authority="A. P. Das & Chanda (1988: 401)" authorityName="A. P. Das & Chanda" authorityYear="1988" class="Liliopsida" family="Orchidaceae" genus="Gastrochilus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Gastrochilus corymbosus" order="Asparagales" pageId="0" pageNumber="113" phylum="Tracheophyta" rank="species" species="corymbosus">Gastrochilus corymbosus A.P. Das & Chanda (1988: 401)</taxonomicName>
|
||
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Gastrochilus corymbosus A, B habitat C plant D leaf E front and lateral view of flower F sepals and petals G anther cap H pollinarium I fruit." figureDoi="10.3897/phytokeys.138.38781.figure2" httpUri="https://binary.pensoft.net/fig/370241" pageId="0" pageNumber="113">Figure 2</figureCitation>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="113" type="materials_examined">
|
||
<paragraph pageId="0" pageNumber="113">Type.</paragraph>
|
||
<paragraph pageId="0" pageNumber="113">INDIA. Jalapahar, Darjeeling (West Bengal), about 2200 m a.s.l., epiphytic on tree trunks. 29 Oct 1982, A.P. Das 823 (holotype: CAL!)</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="113" type="description">
|
||
<paragraph pageId="0" pageNumber="113">Description.</paragraph>
|
||
<paragraph pageId="0" pageNumber="113">
|
||
Epiphytic pendulous herb. Stem often branched, pendulous and usually 8.0-15.0 cm long with 0.4-0.5 cm internodes. Leaves distichous, blade oblong or falcate-lanceolate, 2.0-4.0
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
0.4-0.9 cm, apex acute and unequally 2-lobed. Inflorescence corymb, 4-6-flowered; peduncle 1.2-1.3 cm, upper part broader, lower part with 2 cupular sheaths with purple-red spots; floral bracts ovate-triangular, ca. 3.0, membranous; pedicle and ovary yellow-green with purple-red spots, 1.0-1.2 cm long. Flowers yellowish or yellow, with purple blotches; epichile of lip white with sparse purple spots. Dorsal sepal oblong-elliptic, concave, 5.0-6.5
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
3.6-4.5 mm, apex obtuse; lateral sepal similar to dorsal sepal, 6.2-6.5
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
3.2-4.0 mm, apex obtuse; petals sub-obovate, 5.5-6.5
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
3.5-4.2 mm, apex rounded. Lip with distinct partition between wide epichile and a saccate hypochile; epichile reniform, 4.0-4.9
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
8.0-9.0 mm, adaxially glabrous, with a slightly diamond-shaped central cushion covered with small brown spots and 2 conic calli near base, margin entire or slightly denticulate, emarginate at apex; hypochile cupular, laterally compressed, 7.2-7.8 mm tall, 5.8-6.2 mm in diameter, apex rounded. Column stout densely with purple spots, ca. 2 mm; anther cap galeate with recurved acuminate apex, 2.0
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
2.2 mm; pollinia 2, ca. 1.0 mm in diam.; stipe elongate, ca. 2.0 mm; rostellum bilobed with acuminate apex. Capsules cylindrical with 3 ridges, ca. 2.0
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
1.2 cm.
|
||
</paragraph>
|
||
<caption doi="10.3897/phytokeys.138.38781.figure2" httpUri="https://binary.pensoft.net/fig/370241" pageId="0" pageNumber="113" start="Figure 2" startId="F2">
|
||
<paragraph pageId="0" pageNumber="113">
|
||
<emphasis bold="true" pageId="0" pageNumber="113">Figure 2.</emphasis>
|
||
<taxonomicName authorityName="A. P. Das & Chanda" authorityYear="1988" class="Liliopsida" family="Orchidaceae" genus="Gastrochilus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Gastrochilus corymbosus" order="Asparagales" pageId="0" pageNumber="113" phylum="Tracheophyta" rank="species" species="corymbosus">
|
||
<emphasis italics="true" pageId="0" pageNumber="113">Gastrochilus corymbosus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis bold="true" pageId="0" pageNumber="113">A, B</emphasis>
|
||
habitat
|
||
<emphasis bold="true" pageId="0" pageNumber="113">C</emphasis>
|
||
plant
|
||
<emphasis bold="true" pageId="0" pageNumber="113">D</emphasis>
|
||
leaf
|
||
<emphasis bold="true" pageId="0" pageNumber="113">E</emphasis>
|
||
front and lateral view of flower
|
||
<emphasis bold="true" pageId="0" pageNumber="113">F</emphasis>
|
||
sepals and petals
|
||
<emphasis bold="true" pageId="0" pageNumber="113">G</emphasis>
|
||
anther cap
|
||
<emphasis bold="true" pageId="0" pageNumber="113">H</emphasis>
|
||
pollinarium
|
||
<emphasis bold="true" pageId="0" pageNumber="113">I</emphasis>
|
||
fruit.
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="113" type="phenology">
|
||
<paragraph pageId="0" pageNumber="113">Phenology.</paragraph>
|
||
<paragraph pageId="0" pageNumber="113">Flowering occurs in April to October.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="113" type="distribution">
|
||
<paragraph pageId="0" pageNumber="113">Distribution and habitat.</paragraph>
|
||
<paragraph pageId="0" pageNumber="113">
|
||
<taxonomicName authorityName="A. P. Das & Chanda" authorityYear="1988" class="Liliopsida" family="Orchidaceae" genus="Gastrochilus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Gastrochilus corymbosus" order="Asparagales" pageId="0" pageNumber="113" phylum="Tracheophyta" rank="species" species="corymbosus">
|
||
<emphasis italics="true" pageId="0" pageNumber="113">Gastrochilus corymbosus</emphasis>
|
||
</taxonomicName>
|
||
is previously only known from the India and this is the first time that it has been recorded in the Natma Taung (Mt.Victoria) National Park, Chin State, Myanmar. It was found growing as an epiphyte on the tree trunks in a
|
||
<taxonomicName class="Dicotyledoneae" family="Ericaceae" genus="Rhododendron" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Rhododendron" order="Ericales" pageId="0" pageNumber="113" phylum="Angiospermae" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="113">Rhododendron</emphasis>
|
||
</taxonomicName>
|
||
forest, which is dominated by
|
||
<taxonomicName class="Dicotyledoneae" family="Ericaceae" genus="Rhododendron" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Rhododendron protistum var. giganteum" order="Ericales" pageId="0" pageNumber="113" phylum="Angiospermae" rank="variety" species="protistum" variety="giganteum">Rhododendron protistum var. giganteum</taxonomicName>
|
||
(Forrest) D.F. Chamberlain.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="113" type="materials_examined">
|
||
<paragraph pageId="0" pageNumber="113">Additional specimens examined.</paragraph>
|
||
<paragraph pageId="0" pageNumber="113">
|
||
MYANMAR. Chin State. Natma Taung (Mt. Victoria) National Park, 2750 m a.s.l., epiphyte on the trunk of Alpine
|
||
<taxonomicName class="Dicotyledoneae" family="Ericaceae" genus="Rhododendron" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Rhododendron" order="Ericales" pageId="0" pageNumber="113" phylum="Angiospermae" rank="genus">Rhododendron</taxonomicName>
|
||
forests, 9 Jan 2017,
|
||
<emphasis italics="true" pageId="0" pageNumber="113">Qiang Liu 414</emphasis>
|
||
(HITBC!). Natma Taung (Mt.Victoria) National Park, 2900 m a.s.l., epiphyte on the trunk of Alpine
|
||
<taxonomicName class="Dicotyledoneae" family="Ericaceae" genus="Rhododendron" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Rhododendron" order="Ericales" pageId="0" pageNumber="113" phylum="Angiospermae" rank="genus">Rhododendron</taxonomicName>
|
||
forests, 30 Apr 2017,
|
||
<emphasis italics="true" pageId="0" pageNumber="113">Yun-Hong Tan M1271</emphasis>
|
||
(HITBC!).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="113" type="notes">
|
||
<paragraph pageId="0" pageNumber="113">Note.</paragraph>
|
||
<paragraph pageId="0" pageNumber="113">
|
||
Only a single specimen and illustration of this species previously existed, on which the original description was based (
|
||
<bibRefCitation author="Das, AP" journalOrPublisher="Economic and Taxonomical Botany" pageId="0" pageNumber="113" pagination="401 - 404" refId="B6" refString="Das, AP, Chanda, S, 1988. Two new taxa of the family Orchidaceae from Darjeeling Hills, west Bengal (India). Economic and Taxonomical Botany 12 (2): 401 - 404" title="Two new taxa of the family Orchidaceae from Darjeeling Hills, west Bengal (India)." volume="12" year="1988">Das and Chanda 1988</bibRefCitation>
|
||
). Foliar and floral characteristics were not described in sufficient detail in the original description, due to the extremely poor state of the preserved specimen and it was not possible to conduct a detailed study on this species. Now that fresh material has become available, a detailed description of the species has been provided here. On the basis of the long and pendulous stem,
|
||
<taxonomicName lsidName="G. corymbosus" pageId="0" pageNumber="113" rank="species" species="corymbosus">
|
||
<emphasis italics="true" pageId="0" pageNumber="113">G. corymbosus</emphasis>
|
||
</taxonomicName>
|
||
can be placed in section
|
||
<taxonomicName lsidName="" pageId="0" pageNumber="113" rank="section" section="Microphyllae">Microphyllae</taxonomicName>
|
||
(
|
||
<bibRefCitation author="Tsi, ZH" journalOrPublisher="Guihaia" pageId="0" pageNumber="113" pagination="123 - 154" refId="B21" refString="Tsi, ZH, 1996. A preliminary revision of Gastrochilus (Orchidaceae). Guihaia 16 (2): 123 - 154" title="A preliminary revision of Gastrochilus (Orchidaceae)." volume="16" year="1996">Tsi 1996</bibRefCitation>
|
||
). This species exhibits great variation between populations in leaf shape from falcate-lanceolate to oblong (Figure
|
||
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Gastrochilus corymbosus A, B habitat C plant D leaf E front and lateral view of flower F sepals and petals G anther cap H pollinarium I fruit." figureDoi="10.3897/phytokeys.138.38781.figure2" httpUri="https://binary.pensoft.net/fig/370241" pageId="0" pageNumber="113">2 C</figureCitation>
|
||
). Morphologically, it shows a close affinity to
|
||
<taxonomicName lsidName="G. distichus" pageId="0" pageNumber="113" rank="species" species="distichus">
|
||
<emphasis italics="true" pageId="0" pageNumber="113">G. distichus</emphasis>
|
||
</taxonomicName>
|
||
(Lindley) Kuntze, but differs from the latter by having much shorter (less than 15 cm) and stout stem, apex of leaf unequally 2-lobed without awns, inflorescences corymb with 4-6-flowers, epichile of lip with a slightly diamond shaped central cushion, margin entire or slightly denticulate, emarginate at apex (
|
||
<bibRefCitation author="Das, AP" journalOrPublisher="Economic and Taxonomical Botany" pageId="0" pageNumber="113" pagination="401 - 404" refId="B6" refString="Das, AP, Chanda, S, 1988. Two new taxa of the family Orchidaceae from Darjeeling Hills, west Bengal (India). Economic and Taxonomical Botany 12 (2): 401 - 404" title="Two new taxa of the family Orchidaceae from Darjeeling Hills, west Bengal (India)." volume="12" year="1988">Das and Chanda 1988</bibRefCitation>
|
||
;
|
||
<bibRefCitation author="Chen, SC" editor="Wu, ZY" journalOrPublisher="25). Science Press, Beijing & Missouri Botanical Garden Press, St. Louis" pageId="0" pageNumber="113" pagination="491 - 498" refId="B4" refString="Chen, SC, Tsi, ZH, Wood, JJ, 2009. Gastrochilus D. Don. In: Wu, ZY, Raven, PH, Hong, DY, Eds., Flora of China (vol. 25). Science Press, Beijing & Missouri Botanical Garden Press, St. Louis: 491 - 498" title="Gastrochilus D. Don." volumeTitle="Flora of China (vol." year="2009">Chen et al. 2009</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |