treatments-xml/data/FA/8A/44/FA8A444B343722820435BF4DB0060704.xml

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<mods:title id="9BE0A9994FA79576D61F188F08F22653">New species and records of Pyxine (Caliciaceae) in China</mods:title>
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<mods:namePart id="78A353E10CC2FB5DDA26A382B83A5B1E">Yang, Mei-Xia</mods:namePart>
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<mods:namePart id="2CA6BB32C1D75FD7FD828C703B9A703B">Zhang, Yan-Yun</mods:namePart>
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<mods:namePart id="4DDDF8CD990A9DF1B718C5870891E0D8">Scheidegger, Christoph</mods:namePart>
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<mods:namePart id="06D1AAEADB622B6A56B103F1FEC3E40A">Wang, Li-Song</mods:namePart>
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<treatment id="FA8A444B343722820435BF4DB0060704" ID-GBIF-Taxon="154473714" LSID="urn:lsid:plazi:treatment:FA8A444B343722820435BF4DB0060704" httpUri="http://treatment.plazi.org/id/FA8A444B343722820435BF4DB0060704" lastPageNumber="93" pageId="0" pageNumber="93" scope_family="Caliciaceae">
<subSubSection id="7E0B167A73054C843401F3BFB49D5E3B" pageId="0" pageNumber="93" type="nomenclature">
<paragraph id="35F5D67EE28F55437106241066779A7F" pageId="0" pageNumber="93">
<taxonomicName id="20838EAB91F790A89A332ECCFCCB60D1" LSID="819956" authority="M. X. Yang &amp; Li S. Wang" class="Lecanoromycetes" family="Physciaceae" genus="Pyxine" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Pyxine flavicans" order="Teloschistales" pageId="0" pageNumber="93" phylum="Ascomycota" rank="species" species="flavicans">Pyxine flavicans M. X. Yang &amp; Li S. Wang</taxonomicName>
<taxonomicNameLabel id="3ADF72C6D98852A06B7AEFDAB990483C" pageId="0" pageNumber="93">sp. nov.</taxonomicNameLabel>
Figure 2
</paragraph>
</subSubSection>
<subSubSection id="C65BBA8079C45A1A0E46F22F7299B9CC" pageId="0" pageNumber="93" type="holotype">
<paragraph id="92B1886DB1BB2BE4C5C432CE89D66075" pageId="0" pageNumber="93">Holotype.</paragraph>
<paragraph id="BE3E1332A54C24DB1E97600E10D32D3E" pageId="0" pageNumber="93">
CHINA, YUNNAN PROVINCE, Nujiang Perf., Chide Vil., 1916 m elevation, 
<geoCoordinate id="4A1D091DB4271F2D1F73311038519FFA" direction="north" orientation="latitude" precision="15" value="27.708889">27°42'32&quot;N</geoCoordinate>
, 
<geoCoordinate id="F175D45CFBAA03AE6F4B617082E69FB4" direction="east" orientation="longitude" precision="15" value="98.72195">98°43'19&quot;E</geoCoordinate>
, on 
<taxonomicName id="6964CF2B407BB1101BECE11FE6890EA0" class="Magnoliopsida" family="Juglandaceae" genus="Juglans" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Juglans" order="Fagales" pageId="0" pageNumber="93" phylum="Tracheophyta" rank="genus">Juglans</taxonomicName>
, 4 Aug 2015, L. S. Wang et al. KUN-L15-48196. GenBank accession No.: ITS = KY611884, mtSSU = KY751391.
</paragraph>
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<subSubSection id="B9B1C298130A53EE0BA0C081E83670B6" pageId="0" pageNumber="93" type="description">
<paragraph id="788D839479FBC5771051809D78265941" pageId="0" pageNumber="93">Description.</paragraph>
<paragraph id="CD2BAB31B8D96ADFE24A6B6525019CA3" pageId="0" pageNumber="93">
Thallus 5-9 cm wide, attached to closely adnate. Lobes radiating, plane to convex, but often slightly concave towards the tips, (0.5) 1-3 (4) mm wide, subround at the apices. Upper surface white-grey to celadon, sparsely pruinose at the lobe tips or epruinose, isidia and soredia absent. Medulla pale yellow above, white below. Lower surface black in the centre, paler towards the margin; rhizines dense, furcate. Apothecia common, (0.5) 0.8-1.5 (2) mm wide, constricted at base, plane to possibly convex; margin black. Hymenium height 80-120 
<normalizedToken id="E5E8A4B572791978ACBF630796084919" originalValue="μm">μm</normalizedToken>
; hypothecium light brown to brown, internal stipe 
<normalizedToken id="0F2F467A0A3DAD30C609013908785E5D" originalValue="K–">K-</normalizedToken>
pale yellow to yellow; spores brown, two-celled, 18-20 
<normalizedToken id="697B62E3A6E36EBD89505A1104BAFFE5" originalValue="×">x</normalizedToken>
6-8 
<normalizedToken id="4F1BDFC690F4B58FE73F879F94B4CE70" originalValue="μm">μm</normalizedToken>
. Upper cortex K+ yellowish, 
<normalizedToken id="0EF952516D071856C6128E0D9854ECDD" originalValue="UV–">UV-</normalizedToken>
; medulla 
<normalizedToken id="11895495120EDDDA78E21CC37F78E8F3" originalValue="K–">K-</normalizedToken>
, 
<normalizedToken id="0960262202DE0DCB83A6AB700555D849" originalValue="C–">C-</normalizedToken>
; containing atranorin, chloroatranorin (minor), zeorin and unknown terpenes.
</paragraph>
</subSubSection>
<subSubSection id="9AE88C42EB2658BBACCBB258EF104A11" pageId="0" pageNumber="93" type="habitat">
<paragraph id="A253AD2601EB7D0CA961E1336BF91AB4" pageId="0" pageNumber="93">Habitat and distribution.</paragraph>
<paragraph id="A5B91C08B5FDB800DEBA5E836DE5E267" pageId="0" pageNumber="93">
Growing on bark of 
<taxonomicName id="017F8D0CD75BE9E879CB80B8164EE827" class="Magnoliopsida" family="Fagaceae" genus="Quercus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Quercus" order="Fagales" pageId="0" pageNumber="93" phylum="Tracheophyta" rank="genus">Quercus</taxonomicName>
and 
<taxonomicName id="1B3526BF255BA4B6CB7FB251768B59FB" class="Pinopsida" family="Pinaceae" genus="Picea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Picea" order="Pinales" pageId="0" pageNumber="93" phylum="Tracheophyta" rank="genus">Picea</taxonomicName>
spp. and on rocks around 1916-4000 m elevation in semi-arid environments; only known from south-western China.
</paragraph>
</subSubSection>
<subSubSection id="5B86A1544A2B7D1A9A1BEF126CD22CB5" pageId="0" pageNumber="93" type="etymology">
<paragraph id="623CDDF4D4A6A6416FC011D8E15D4279" pageId="0" pageNumber="93">Etymology.</paragraph>
<paragraph id="F264DFFF8A14749CDE7FA4F1A0124129" pageId="0" pageNumber="93">
The epithet 
<taxonomicName id="14C750EA7EEA3F748D0CAB2FF9760307" lsidName="flavicans" pageId="0" pageNumber="93" rank="species" species="flavicans">flavicans</taxonomicName>
refers to the yellow medulla and internal stipe of the apothecia.
</paragraph>
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<subSubSection id="314A4B1C7A86F53F6BFCDD37F9725BE3" pageId="0" pageNumber="93" type="notes">
<paragraph id="DC24337FC55B1CDBCB08604715A98FF0" pageId="0" pageNumber="93">Notes.</paragraph>
<paragraph id="A0CB135EDE0EC0783767F9A41576E0F1" pageId="0" pageNumber="93">
<taxonomicName id="138809942142820843A2259090F65AA0" class="Lecanoromycetes" family="Caliciaceae" genus="Pyxine" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Pyxine flavicans" order="Caliciales" pageId="0" pageNumber="93" phylum="Ascomycota" rank="species" species="flavicans">Pyxine flavicans</taxonomicName>
is characterised by flat corticated yellowish-grey to brownish-grey thalli, a constricted base, a pale yellow medulla and the presence of atranorin.
</paragraph>
<paragraph id="B8339B417A53A4E9B455C64D664287CC" pageId="0" pageNumber="93">
This species resembles 
<taxonomicName id="ABD0B482CB7FBBAFF5B9E038E7040263" lsidName="P. berteriana" pageId="0" pageNumber="93" rank="species" species="berteriana">P. berteriana</taxonomicName>
in terms of lobe size, saxicolous habitat and internal stipe, but the latter has a yellow to yellowish-orange medulla and produces lichexanthone (
<bibRefCitation id="E366A193AA7E7872F42A9E617C9F3A12" author="Hu, GR" journalOrPublisher="Mycotaxon" pageId="0" pageNumber="93" pagination="445 - 454" title="The lichen family Physciaceae (Ascomycota) in China VI. The genus Pyxine." volume="86" year="2003">Hu and Chen 2003</bibRefCitation>
). 
<taxonomicName id="54E5DA4DB4785BD948E0436D61A9B27A" class="Lecanoromycetes" family="Caliciaceae" genus="Pyxine" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Pyxine flavicans" order="Caliciales" pageId="0" pageNumber="93" phylum="Ascomycota" rank="species" species="flavicans">Pyxine flavicans</taxonomicName>
is similar to 
<taxonomicName id="3396D66089735B3DC7EB244D9BD6A763" lsidName="P. australiensis" pageId="0" pageNumber="93" rank="species" species="australiensis">P. australiensis</taxonomicName>
Kalb regarding the absence of soredia and isidia and both species are frequently lignicolous but occasionally grow on rocks. However, 
<taxonomicName id="C209BF40BED69AFDD81841D9DE328137" lsidName="P. flavicans" pageId="0" pageNumber="93" rank="species" species="flavicans">P. flavicans</taxonomicName>
differs from 
<taxonomicName id="DD16A2A3BCB674598302D4FDA0374D6C" lsidName="P. australiensis" pageId="0" pageNumber="93" rank="species" species="australiensis">P. australiensis</taxonomicName>
in having marginal and laminal pseudocyphellae, lichexanthone and a white medulla in the stipe (
<bibRefCitation id="72E1D0DE21EDEDC638B372CC5FC60F20" pageId="0" pageNumber="93">Elix 2009</bibRefCitation>
). 
<taxonomicName id="BA60213BF9C25A2D264423D56FE73A24" class="Lecanoromycetes" family="Caliciaceae" genus="Pyxine" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Pyxine flavicans" order="Caliciales" pageId="0" pageNumber="93" phylum="Ascomycota" rank="species" species="flavicans">Pyxine flavicans</taxonomicName>
is similar to 
<taxonomicName id="165A2F29E6DABBA94AE1B47868580989" lsidName="P. himalayensis" pageId="0" pageNumber="93" rank="species" species="himalayensis">P. himalayensis</taxonomicName>
in terms of the type of apothecia and lack of lichexanthone. However, 
<taxonomicName id="678C67BD98EB15B220C0C2BAB12ED60D" lsidName="P. himalayensis" pageId="0" pageNumber="93" rank="species" species="himalayensis">P. himalayensis</taxonomicName>
has a colourless internal stipe.
</paragraph>
</subSubSection>
<subSubSection id="5ABC13D2F8A2835EE5935DA68B0231AE" pageId="0" pageNumber="93" type="materials_examined">
<paragraph id="398F9B9B10A2EC28D31F879D11AE08E2" pageId="0" pageNumber="93">Selected specimens examined (KUN).</paragraph>
<paragraph id="B1BB388B28E022CD900815C41571922A" pageId="0" pageNumber="93">
CHINA: SICHUAN PROVINCE: Muli Co., 2850 m elev., on 
<taxonomicName id="02526F23052BC54E562E00E185058DB4" class="Pinopsida" family="Pinaceae" genus="Pinus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Pinus yunnanensis" order="Pinales" pageId="0" pageNumber="93" phylum="Tracheophyta" rank="species" species="yunnanensis">Pinus yunnanensis</taxonomicName>
, 23 Aug 1983, L. S. Wang 83-1869(A); XIZANG PROVINCE: Chayu Co., along the road from Muruo Vil. to Bingzhongluo, 3833 m elev., 
<geoCoordinate id="00BA6A41ACA73E003F6130489EFEE5E8" direction="north" orientation="latitude" precision="1" value="28.59635">28°35.781'N</geoCoordinate>
, 
<geoCoordinate id="C228D3CE36DC9226B1B869FDC3F9A402" direction="east" orientation="longitude" precision="1" value="98.106735">98°06.404'E</geoCoordinate>
, on 
<taxonomicName id="C647247E2A03144B06850832792364FF" class="Pinopsida" family="Pinaceae" genus="Pinus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Pinus armandii" order="Pinales" pageId="0" pageNumber="93" phylum="Tracheophyta" rank="species" species="armandii">Pinus armandii</taxonomicName>
, 26 Sep 2014, L. S. Wang et al. 14-46763; YUNNAN PROVINCE: Jianchuan Co., Shibao Mt., 2620 m elev., 
<geoCoordinate id="DE1E8064F0E41B0736E2FFD0343677AC" direction="north" orientation="latitude" precision="1" value="26.382">26°22.920'N</geoCoordinate>
, 
<geoCoordinate id="9847F3A30D21B6D5D96D761B9AE1032C" direction="east" orientation="longitude" precision="1" value="99.830185">99°49.811'E</geoCoordinate>
, on bark, 24 Jun 2014, L. S. Wang et al. 14-43995; Nujiang Co., Chide Vil., 1916 m elev., 
<geoCoordinate id="E892E533D3B1909C8BAC8EF9BD5A9576" direction="north" orientation="latitude" precision="1" value="27.709002">27°42'32.40&quot;N</geoCoordinate>
, 
<geoCoordinate id="0D0B37948E7E7C12B4D436638D2936EC" direction="east" orientation="longitude" precision="1" value="98.72183">98°43'18.59&quot;E</geoCoordinate>
, on 
<taxonomicName id="D39699F99AB1D3FF1237D084913C63DE" class="Magnoliopsida" family="Juglandaceae" genus="Juglans" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Juglans" order="Fagales" pageId="0" pageNumber="93" phylum="Tracheophyta" rank="genus">Juglans</taxonomicName>
, 4 Aug 2015, L. S. Wang et al. 15-48196.
</paragraph>
<caption id="62B4680F4E816F5216E912940776A13D" pageId="0" pageNumber="93">
<paragraph id="635EE3D60571EEACB5D828DDB63B518D" pageId="0" pageNumber="93">
Figure 2. 
<taxonomicName id="4ED65A6B79247A4A477C4F5FDA8A25BD" class="Lecanoromycetes" family="Caliciaceae" genus="Pyxine" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Pyxine flavicans" order="Caliciales" pageId="0" pageNumber="93" phylum="Ascomycota" rank="species" species="flavicans">Pyxine flavicans</taxonomicName>
(KUN-L 15-48196) photographed by Li-Song Wang and Meixia Yang. A habit B yellow internal stipe of apothecia C hymenium D ascospores from GAW (glycerine:alcohol:water=1:1:1). Scale bars: 5 cm (A); 0.5 cm (B); 100 
<normalizedToken id="EA47B07C452F812EE048481762684BC4" originalValue="μm">μm</normalizedToken>
(C); 20 
<normalizedToken id="60AB6C8318286B6E1066C317C7E988B0" originalValue="μm">μm</normalizedToken>
(D).
</paragraph>
</caption>
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</treatment>
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