<documentid="B682D40BD0A341CFCF93DA63F5E46626"ID-CLB-Dataset="302336"ID-DOI="10.11646/phytotaxa.302.2.8"ID-GBIF-Dataset="ec3e62c9-ce48-41d5-879e-fcde5c0fe234"ID-ISSN="1179-3163"ID-Zenodo-Dep="13695094"IM.bibliography_approvedBy="felipe"IM.illustrations_approvedBy="felipe"IM.materialsCitations_approvedBy="felipe"IM.metadata_approvedBy="felipe"IM.taxonomicNames_approvedBy="felipe"IM.treatmentCitations_approvedBy="felipe"IM.treatments_approvedBy="felipe"checkinTime="1725556768693"checkinUser="felipe"docAuthor="Zou, Pu, Xiao, Chun-Fen, Luo, Shi-Xiao, Cui, Chang-Jie, Xu, Kai, Ye, Yu-Shi, Liao, Jing-Ping & Leong-Škorničková, Jana"docDate="2017"docId="03D61E4D6D0A4D6F4595FD9EFAC6FC55"docLanguage="en"docName="phytotaxa.302.2.8.pdf"docOrigin="Phytotaxa 302 (2)"docSource="http://dx.doi.org/10.11646/phytotaxa.302.2.8"docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article"docStyleId="96748F8F1B6C902996E134952A3A36B9"docStyleName="Phytotaxa.2014-.journal_article"docStyleVersion="13"docTitle="Orchidantha yunnanensis P. Zou, C. F. Xiao & Skornick. A. Habit 2017, sp. nov."docType="treatment"docVersion="2"lastPageNumber="186"masterDocId="FFEF66356D0B4D6A451DFFCAFE27FFDC"masterDocTitle="Orchidantha yunnanensis (Lowiaceae), a new species from China, and notes on the identity of Orchidantha laotica"masterLastPageNumber="187"masterPageNumber="181"pageNumber="182"updateTime="1725557441219"updateUser="ExternalLinkService"zenodo-license-figures="UNSPECIFIED"zenodo-license-treatments="UNSPECIFIED">
<mods:titleid="C00A46035030B26F02977D9E0D086A85">Orchidantha yunnanensis (Lowiaceae), a new species from China, and notes on the identity of Orchidantha laotica</mods:title>
<mods:affiliationid="55009AB39222FA69EA3CF37D61F1EA5F">Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China.</mods:affiliation>
<mods:affiliationid="D907DDF7A6B9D017F000FE5F00574147">Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Mengla 666303, Yunnan, China.</mods:affiliation>
<mods:affiliationid="00094F6722563909AE8E873AF0212221">Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China.</mods:affiliation>
<mods:affiliationid="C00E0A627201AED845E8B73767ED88CF">Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China.</mods:affiliation>
<mods:affiliationid="A8AECC8385FE3109E37CDCA39B5134E4">Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China.</mods:affiliation>
<mods:affiliationid="42353CE1FCF3357B0F0CFDB7E624FF30">Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China.</mods:affiliation>
<mods:affiliationid="6F7FFA2CD12AE8C20F036E76871DEFB3">Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China.</mods:affiliation>
<taxonomicNameid="4C7FD4D86D0A4D6B4595FD9EFD26FDB3"ID-CoL="8WZ6N"authority="P.Zou, C.F.Xiao & Skornick."authorityName="P. Zou, C. F. Xiao & Skornick. A. Habit"authorityYear="2017"box="[136,769,596,623]"class="Liliopsida"family="Lowiaceae"genus="Orchidantha"kingdom="Plantae"order="Zingiberales"pageId="1"pageNumber="182"phylum="Tracheophyta"rank="species"species="yunnanensis"status="sp. nov.">
<figureCitationid="1344B3DE6D0A4D6B466CFD9CFD99FDB3"box="[881,958,598,623]"captionStart="FIGURE 1"captionStartId="2.[136,229,1894,1915]"captionTargetBox="[151,1435,187,1866]"captionTargetId="figure-14@2.[151,1436,187,1866]"captionTargetPageId="2"captionText="FIGURE 1. Orchidantha yunnanensis P.Zou, C.F.Xiao & Škorničk. A. Habit; B. Detail of flowers; C. Old inflorescences showing the dense branching (scale 10 cm); D. Detail of the part of the inflorescence (scale 5 cm); E. Dissection (from left): prophyll, first bract, second bract, floral bract, two lateral sepals, dorsal sepal, labellum, and the rest of the flower (peduncle, ovary and ovary extension with petals, anthers and stigma attached) (scale 5 cm); F. Detail of anthers and stigma (front and back views), two petals (back and front view), crossection and longitudinal section of ovary. All based on P. Zou, C. F. Xiao, C. J. Cui & K. Xu ZP54. (Photo by P. Zou)"figureDoi="http://doi.org/10.5281/zenodo.13695096"httpUri="https://zenodo.org/record/13695096/files/figure.png"pageId="1"pageNumber="182">Figs. 1</figureCitation>
<figureCitationid="1344B3DE6D0A4D6B46D1FD9CFDFAFDB3"box="[972,989,598,623]"captionStart="FIGURE 2"captionStartId="3.[136,229,1919,1940]"captionTargetBox="[235,1352,200,1873]"captionTargetId="figure-14@3.[235,1352,190,1894]"captionTargetPageId="3"captionText="FIGURE 2. Orchidantha yunnanensis P.Zou, C.F.Xiao & Škorničk. A. Habit; B. Flower (side view); C. Lateral petal (ventral and dorsal view); D. Stamens and style (ventral and dorsal view); E. Ovary (longitudinal section); F. Prophyl G. Second bract; H. Floral bract; I. Lateral sepal (ventral view); J. Lateral sepal (dorsal view); K. Dorsal sepal (dorsal view); L. Labellum; M. stem with pedicel and ovary extension (side view). Scales: B (5 cm); C–E (1 cm); F–M (5 cm).All from P. Zou, C. F. Xiao, C. J. Cui & K. Xu ZP54 (IBSC) and living material of XTBG 20013005. (Drawn by Ms. Yun-Xiao Liu)"figureDoi="http://doi.org/10.5281/zenodo.13695100"httpUri="https://zenodo.org/record/13695100/files/figure.png"pageId="1"pageNumber="182">2</figureCitation>
<collectionCodeid="ED6E379E6D0A4D6B4723FD6AFC6AFD69"box="[574,589,672,693]"country="France"lsid="urn:lsid:biocol.org:col:15763"name="Museum National d' Histoire Naturelle, Paris (MNHN) - Vascular Plants"pageId="1"pageNumber="182"type="Herbarium">P</collectionCode>
. Zou,
<collectionCodeid="ED6E379E6D0A4D6B4795FD6AFCBCFD69"box="[648,667,672,693]"country="Denmark"name="University of Copenhagen"pageId="1"pageNumber="182"type="Herbarium">C</collectionCode>
.
<collectionCodeid="ED6E379E6D0A4D6B47B8FD6AFC93FD69"box="[677,692,672,693]"country="USA"lsid="urn:lsid:biocol.org:col:15707"name="Field Museum of Natural History, Botany Department"pageId="1"pageNumber="182"type="Herbarium">F</collectionCode>
. Xiao,
<collectionCodeid="ED6E379E6D0A4D6B47E5FD6AFD2CFD69"box="[760,779,672,693]"country="Denmark"name="University of Copenhagen"pageId="1"pageNumber="182"type="Herbarium">C</collectionCode>
.
<collectionCodeid="ED6E379E6D0A4D6B4608FD6AFD04FD69"box="[789,803,672,693]"country="South Africa"lsid="urn:lsid:biocol.org:col:14647"name="University of the Witwatersrand"pageId="1"pageNumber="182"type="Herbarium">J</collectionCode>
<taxonomicNameid="4C7FD4D86D0A4D6B4472FD22FCB0FD21"authority="T. L. Wu"authorityName="T. L. Wu"box="[367,663,744,765]"class="Liliopsida"family="Lowiaceae"genus="Orchidantha"kingdom="Plantae"order="Zingiberales"pageId="1"pageNumber="182"phylum="Tracheophyta"rank="species"species="insularis">
with narrowly ovate dorsal sepal which is almost equal or only slightly broader than the lateral ones) and narrowly dark purple labellum with a pale yellow or white raised midrib (compared to ensiform labellum which is dark violet at base and yellow greenish at apical half).
, green and glabrous on both sides, obtuse at base, acuminate at apex. Inflorescence on a slender, richly branched, pale-coloured, burrowing stem with prominent bracts or their scars.
beyond it. Flowers open in the morning, are presented above the ground, and emit a strong unpleasant smell of a dead fish. All sepals glabrous, minutely mucronate, cream white to pale green at base to green adaxially, with a more or less rich claret tinge abaxially; lateral sepals overlapping and forming a boat-shaped structure supporting the labellum, narrowly oblong, 6.0–
wide. Lateral petals overlapping at base covering stamens and style, dark purple, unequally oblong, apiculate, internal margin straight, exposed margins irregularly serrate at apex, straight towards the base, ca.
wide, semi-circular in cross-section), sides of the labellum prominently tessellate, margin entire, irregularly undulate. Stamens five, 0.9–1.0 cm long, cream but richly tinged with claret at the base of filaments, glabrous; filaments ca.
; secreting tissue (viscidium) placed ventrally, V-shaped, cream to pale yellow, and pronounced in side view. Ovary almost cylindric (slightly thicker than the rest of the ovary extension), ca.
in diameter, 3-1ocular, white to cream white, glabrous; each locule with 6–7 ovules attached to the axial side of the placenta in two rows. Ovary extension
long, cream-white with slight reddish tinge towards the sepals. Fruits and seeds not seen. Based on living material accession 20013005 (Xishuangbanna Tropical Botanic Garden) and a spirit material accession ZP54 (IBSC).
<taxonomicNameid="4C7FD4D86D0A4D6B4442F864FCA4F81B"authorityName="P. Zou, C. F. Xiao & Skornick. A. Habit"authorityYear="2017"box="[351,643,1966,1991]"class="Liliopsida"family="Lowiaceae"genus="Orchidantha"kingdom="Plantae"order="Zingiberales"pageId="1"pageNumber="182"phylum="Tracheophyta"rank="species"species="yunnanensis">
<taxonomicNameid="4C7FD4D86D094D68441AF8ACFD5AF8A7"authority="P. Zou, C. F. Xiao & Skornick. A. Habit"authorityName="P. Zou, C. F. Xiao & Skornick. A. Habit"authorityYear="2017"box="[263,893,1894,1915]"class="Liliopsida"family="Lowiaceae"genus="Orchidantha"kingdom="Plantae"order="Zingiberales"pageId="2"pageNumber="183"phylum="Tracheophyta"rank="species"species="yunnanensis">
; B. Detail of flowers; C. Old inflorescences showing the dense branching (scale 10 cm); D. Detail of the part of the inflorescence (scale 5 cm); E. Dissection (from left): prophyll, first bract, second bract, floral bract, two lateral sepals, dorsal sepal, labellum, and the rest of the flower (peduncle, ovary and ovary extension with petals, anthers and stigma attached) (scale 5 cm); F. Detail of anthers and stigma (front and back views), two petals (back and front view), crossection and longitudinal section of ovary. All based on
<emphasisid="B90B73496D094D6847DDF83CFA46F7D7"box="[704,1121,2038,2059]"italics="true"pageId="2"pageNumber="183">P. Zou, C. F. Xiao, C. J. Cui & K. Xu ZP54.</emphasis>
<taxonomicNameid="4C7FD4D86D084D694419F8B5FD55F848"authority="P. Zou, C. F. Xiao & Skornick. A. Habit"authorityName="P. Zou, C. F. Xiao & Skornick. A. Habit"authorityYear="2017"box="[260,882,1919,1940]"class="Liliopsida"family="Lowiaceae"genus="Orchidantha"kingdom="Plantae"order="Zingiberales"pageId="3"pageNumber="184"phylum="Tracheophyta"rank="species"species="yunnanensis">
; B. Flower (side view); C. Lateral petal (ventral and dorsal view); D. Stamens and style (ventral and dorsal view); E. Ovary (longitudinal section); F. Prophyl G. Second bract; H. Floral bract; I. Lateral sepal (ventral view); J. Lateral sepal (dorsal view); K. Dorsal sepal (dorsal view); L. Labellum; M. stem with pedicel and ovary extension (side view). Scales: B (5 cm); C–E (1 cm); F–M (5 cm). All from
<emphasisid="B90B73496D084D69467DF821FADEF7DC"box="[864,1273,2027,2048]"italics="true"pageId="3"pageNumber="184">P. Zou, C. F. Xiao, C. J. Cui & K. Xu ZP54</emphasis>
(IBSC) and living material of XTBG 20013005. (Drawn by Ms. Yun-Xiao Liu)
<taxonomicNameid="4C7FD4D86D0F4D6E441CF86BFC58F86A"authority="K. Larsen. A. Habit"authorityName="K. Larsen. A. Habit"authorityYear="1961"box="[257,639,1953,1974]"class="Liliopsida"family="Lowiaceae"genus="Orchidantha"kingdom="Plantae"order="Zingiberales"pageId="4"pageNumber="185"phylum="Tracheophyta"rank="species"species="laotica">
; B. Ripe open capsule (without seeds); C. Detail of flower with dorsal sepal removed; D. Flower (front view); E. Flower (side view); F. Laterals sepals, dorsal sepal and labellum (scale 1 cm); G. Detail of stigma and stamens enveloped in petals (in side and ventral views) and two petals removed (scale 5 mm); H. Stigma and anthers (petals removed) from ventral, dorsal and side view. All based on
<emphasisid="B90B73496D0F4D6E44C8F7C7FD0FF7FE"box="[469,808,2061,2082]"italics="true"pageId="4"pageNumber="185">Leong-Škorničková et al. JLS-1800</emphasis>
by its claw-shaped appearance of the flower caused by arrangement of lateral sepals overlapping basally and supporting the labellum while the dorsal sepal arches over.
) and by the structure of its labellum with a prominently raised midrib (semi-circular in cross-section). As outlined in the diagnosis, it differs by its shape and colour (narrowly oblong, 5.6–6.4 ×
<figureCitationid="1344B3DE6D0E4D6F4027FD9AFBA9FDB5"box="[1338,1422,592,617]"captionStart="FIGURE 1"captionStartId="2.[136,229,1894,1915]"captionTargetBox="[151,1435,187,1866]"captionTargetId="figure-14@2.[151,1436,187,1866]"captionTargetPageId="2"captionText="FIGURE 1. Orchidantha yunnanensis P.Zou, C.F.Xiao & Škorničk. A. Habit; B. Detail of flowers; C. Old inflorescences showing the dense branching (scale 10 cm); D. Detail of the part of the inflorescence (scale 5 cm); E. Dissection (from left): prophyll, first bract, second bract, floral bract, two lateral sepals, dorsal sepal, labellum, and the rest of the flower (peduncle, ovary and ovary extension with petals, anthers and stigma attached) (scale 5 cm); F. Detail of anthers and stigma (front and back views), two petals (back and front view), crossection and longitudinal section of ovary. All based on P. Zou, C. F. Xiao, C. J. Cui & K. Xu ZP54. (Photo by P. Zou)"figureDoi="http://doi.org/10.5281/zenodo.13695096"httpUri="https://zenodo.org/record/13695096/files/figure.png"pageId="5"pageNumber="186">Fig. 1B</figureCitation>
<bibRefCitationid="EFEED2AA6D0E4D6F4595FDBEFF16FD51"author="Zou, P. & Ye, Y. - S. & Cai, X. - A. & Liao, J. - P."box="[136,305,628,653]"pageId="5"pageNumber="186"pagination="819 - 823"refId="ref3844"refString="Zou, P., Ye, Y. - S., Cai, X. - A. & Liao, J. - P. (2014) Rediscovery and improved description of Orchidantha insularis (Lowiaceae), a rare species from Hainan, China. Nordic Journal of Botany 32: 819 - 823. https: // doi. org / 10.1111 / njb. 00464"type="journal article"year="2014">
<taxonomicNameid="4C7FD4D86D0E4D6F464EFD52FA12FD6D"authorityName="K. Larsen. A. Habit"authorityYear="1961"box="[851,1077,664,689]"class="Liliopsida"family="Lowiaceae"genus="Orchidantha"kingdom="Plantae"order="Zingiberales"pageId="5"pageNumber="186"phylum="Tracheophyta"rank="species"species="laotica">
<taxonomicNameid="4C7FD4D86D0E4D6F4681FD76FA2BFD09"authorityName="K. Larsen. A. Habit"authorityYear="1961"box="[924,1036,700,725]"class="Liliopsida"family="Lowiaceae"genus="Orchidantha"kingdom="Plantae"order="Zingiberales"pageId="5"pageNumber="186"phylum="Tracheophyta"rank="species"species="laotica">
, dark maroon with prominently thickened yellow to pale yellow midrib (which is semi-circular in cross-section). The sides at the base of the labellum do not overlap over the petals.
<taxonomicNameid="4C7FD4D86D0E4D6F47DAFCE2FD8EFC9D"authorityName="K. Larsen. A. Habit"authorityYear="1961"box="[711,937,808,833]"class="Liliopsida"family="Lowiaceae"genus="Orchidantha"kingdom="Plantae"order="Zingiberales"pageId="5"pageNumber="186"phylum="Tracheophyta"rank="species"species="laotica">
<figureCitationid="1344B3DE6D0E4D6F458DFCBAFEC3FC55"box="[144,228,880,905]"captionStart="FIGURE 2"captionStartId="3.[136,229,1919,1940]"captionTargetBox="[235,1352,200,1873]"captionTargetId="figure-14@3.[235,1352,190,1894]"captionTargetPageId="3"captionText="FIGURE 2. Orchidantha yunnanensis P.Zou, C.F.Xiao & Škorničk. A. Habit; B. Flower (side view); C. Lateral petal (ventral and dorsal view); D. Stamens and style (ventral and dorsal view); E. Ovary (longitudinal section); F. Prophyl G. Second bract; H. Floral bract; I. Lateral sepal (ventral view); J. Lateral sepal (dorsal view); K. Dorsal sepal (dorsal view); L. Labellum; M. stem with pedicel and ovary extension (side view). Scales: B (5 cm); C–E (1 cm); F–M (5 cm).All from P. Zou, C. F. Xiao, C. J. Cui & K. Xu ZP54 (IBSC) and living material of XTBG 20013005. (Drawn by Ms. Yun-Xiao Liu)"figureDoi="http://doi.org/10.5281/zenodo.13695100"httpUri="https://zenodo.org/record/13695100/files/figure.png"pageId="5"pageNumber="186">Fig. 2F</figureCitation>
<figureCitationid="1344B3DE6D0E4D6F4161FCBAFAF2FC55"box="[1148,1237,880,905]"captionStart="FIGURE 2"captionStartId="3.[136,229,1919,1940]"captionTargetBox="[235,1352,200,1873]"captionTargetId="figure-14@3.[235,1352,190,1894]"captionTargetPageId="3"captionText="FIGURE 2. Orchidantha yunnanensis P.Zou, C.F.Xiao & Škorničk. A. Habit; B. Flower (side view); C. Lateral petal (ventral and dorsal view); D. Stamens and style (ventral and dorsal view); E. Ovary (longitudinal section); F. Prophyl G. Second bract; H. Floral bract; I. Lateral sepal (ventral view); J. Lateral sepal (dorsal view); K. Dorsal sepal (dorsal view); L. Labellum; M. stem with pedicel and ovary extension (side view). Scales: B (5 cm); C–E (1 cm); F–M (5 cm).All from P. Zou, C. F. Xiao, C. J. Cui & K. Xu ZP54 (IBSC) and living material of XTBG 20013005. (Drawn by Ms. Yun-Xiao Liu)"figureDoi="http://doi.org/10.5281/zenodo.13695100"httpUri="https://zenodo.org/record/13695100/files/figure.png"pageId="5"pageNumber="186">Fig. 2C</figureCitation>
