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<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.39.7788" ID-PMC="PMC4152888" ID-Pensoft-Pub="1314-2003-39-19" ID-Pensoft-UUID="8640E34A3B59C340FFEA8A49FFAE867A" ID-PubMed="25197222" ID-Zenodo-Dep="576230" ModsDocID="1314-2003-39-19" checkinTime="1451251724523" checkinUser="pensoft" docAuthor="Sennikov, Alexander N." docDate="2014" docId="594DE92A06468565A75316F4A2CFAD9C" docLanguage="en" docName="PhytoKeys 39: 19-26" docOrigin="PhytoKeys 39" docPubDate="2014-06-20" docSource="http://dx.doi.org/10.3897/phytokeys.39.7788" docTitle="Hieracium sinoaestivum Sennikov 2014, sp. nov." docType="treatment" docVersion="6" id="8640E34A3B59C340FFEA8A49FFAE867A" lastPageNumber="24" masterDocId="8640E34A3B59C340FFEA8A49FFAE867A" masterDocTitle="Hieracium sinoaestivum (Asteraceae), a new species from North China" masterLastPageNumber="26" masterPageNumber="19" pageNumber="21" updateTime="1668141134718" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Hieracium sinoaestivum (Asteraceae), a new species from North China</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Sennikov, Alexander N.</mods:namePart>
<mods:affiliation>Botanical Museum, Finnish Museum of Natural History, P. O. Box 7, 00014 University of Helsinki, Finland &amp; Herbarium, Komarov Botanical Institute of Russian Academy of Sciences, Prof. Popov str. 2, 197376 St. Petersburg, Russia</mods:affiliation>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>PhytoKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2014</mods:date>
<mods:detail type="pubDate">
<mods:number>2014-06-20</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>39</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>19</mods:start>
<mods:end>26</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location>
<mods:url>http://dx.doi.org/10.3897/phytokeys.39.7788</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.39.7788</mods:identifier>
<mods:identifier type="Pensoft-Pub">1314-2003-39-19</mods:identifier>
<mods:identifier type="Pensoft-UUID">8640E34A3B59C340FFEA8A49FFAE867A</mods:identifier>
<mods:identifier type="Zenodo-Dep">576230</mods:identifier>
</mods:mods>
<treatment ID-GBIF-Taxon="152025298" LSID="urn:lsid:plazi:treatment:594DE92A06468565A75316F4A2CFAD9C" httpUri="http://treatment.plazi.org/id/594DE92A06468565A75316F4A2CFAD9C" lastPageId="5" lastPageNumber="24" pageId="2" pageNumber="21">
<subSubSection pageId="2" pageNumber="21" type="nomenclature">
<paragraph pageId="2" pageNumber="21">
<taxonomicName LSID="594DE92A-0646-8565-A753-16F4A2CFAD9C" authority="Sennikov" authorityName="Sennikov" authorityYear="2014" class="Magnoliopsida" family="Asteraceae" genus="Hieracium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Hieracium sinoaestivum" order="Asterales" pageId="2" pageNumber="21" phylum="Tracheophyta" rank="species" species="sinoaestivum" status="sp. nov.">Hieracium sinoaestivum Sennikov</taxonomicName>
<taxonomicNameLabel pageId="2" pageNumber="21">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection pageId="2" pageNumber="21" type="type">
<paragraph pageId="2" pageNumber="21">Type.</paragraph>
<paragraph pageId="2" pageNumber="21">
China. Shanxi:
<normalizedToken originalValue="Lüliang">Lueliang</normalizedToken>
City.
<normalizedToken originalValue="“Chiao-cheng">&quot;Chiao-ch'eng</normalizedToken>
distr., Pashui-ko-shan&quot;, alpine meadow, 2400 ft., 24.08.1924,
<emphasis italics="true" pageId="2" pageNumber="21">Harry Smith 7172</emphasis>
(S!, holotype; UPS, isotype).
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Holotype of Hieracium sinoaestivum Sennikov." httpUri="https://binary.pensoft.net/fig/10714" pageId="2" pageNumber="21">Fig. 1</figureCitation>
.
</paragraph>
<caption httpUri="https://binary.pensoft.net/fig/10714" pageId="2" pageNumber="21" start="Figure 1" startId="F1">
<paragraph pageId="2" pageNumber="21">
<emphasis bold="true" pageId="2" pageNumber="21">Figure 1.</emphasis>
Holotype of
<taxonomicName authorityName="Sennikov" authorityYear="2014" class="Magnoliopsida" family="Asteraceae" genus="Hieracium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Asterales" pageId="2" pageNumber="21" phylum="Tracheophyta" rank="species" species="sinoaestivum">
<emphasis italics="true" pageId="2" pageNumber="21">Hieracium sinoaestivum</emphasis>
</taxonomicName>
Sennikov.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="2" pageNumber="21" type="paratypes">
<paragraph pageId="2" pageNumber="21">Paratypes.</paragraph>
<paragraph pageId="2" pageNumber="21">
China. Shanxi:
<normalizedToken originalValue="Lüliang">Lueliang</normalizedToken>
City.
<normalizedToken originalValue="“Chiao-cheng">&quot;Chiao-ch'eng</normalizedToken>
distr., Pashui-ko-shan&quot;, meadows in mixed forests, 2100 ft., 28.08.1924,
<emphasis italics="true" pageId="2" pageNumber="21">Harry Smith 7219</emphasis>
(BM 000996241 photo!, S!).
</paragraph>
</subSubSection>
<subSubSection pageId="2" pageNumber="21" type="diagnosis">
<paragraph pageId="2" pageNumber="21">Diagnosis.</paragraph>
<paragraph pageId="2" pageNumber="21">
The new species differs from the most similar
<taxonomicName authorityName="Schischk &amp; Sergievsk" authorityYear="1949" class="Magnoliopsida" family="Asteraceae" genus="Hieracium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Asterales" pageId="2" pageNumber="21" phylum="Tracheophyta" rank="species" species="veresczaginii">
<emphasis italics="true" pageId="2" pageNumber="21">Hieracium veresczaginii</emphasis>
</taxonomicName>
Schischk. &amp; Serg. mainly in a greater density of simple hairs (rare to sparse vs. solitary or sometimes absent) on the phyllaries.
</paragraph>
</subSubSection>
<subSubSection pageId="2" pageNumber="21" type="description">
<paragraph pageId="2" pageNumber="21">Description.</paragraph>
<paragraph pageId="2" pageNumber="21">
Evidently aphyllopodous
<emphasis italics="true" pageId="2" pageNumber="21">perennial plant</emphasis>
.
<emphasis italics="true" pageId="2" pageNumber="21">Stem</emphasis>
60-70 cm tall, robust, pale green, without simple hairs (paratype) or with abundant simple hairs up to 3 mm long (holotype), with lax stellate pubescence mostly in the lower half.
<emphasis italics="true" pageId="2" pageNumber="21">Leaves</emphasis>
up to 50, gradually decreasing in size upwards, sessile, clearly bicolour, intensely green on upper surface, pale green beneath, with lax stellate pubescence on both sides and simple hairs 1.5-2 mm long along margins and beneath; the
<emphasis italics="true" pageId="2" pageNumber="21">lower</emphasis>
unknown (withered at anthesis); the lamina of the
<emphasis italics="true" pageId="2" pageNumber="21">median</emphasis>
leaves (most developed) 9-12 cm long, 2.5-4 cm wide (ratio 1:3-3.5), oblong-ovate, widest near basal third, acute at apex, broadly cuneate or rotund at base, with 4-5 pairs of narrow acute teeth up to 5(8) mm long; the lamina of the
<emphasis italics="true" pageId="2" pageNumber="21">upper</emphasis>
leaves up to 6 cm long, 1.5-1.8 cm wide, ovate-lanceolate, widest near base, acute at apex, rotund at base, with 3-4 pairs of small narrow teeth.
<emphasis italics="true" pageId="2" pageNumber="21">Synflorescence</emphasis>
up to 25 cm long, laxly branched with 3-8 branches and 10-35 capitula; branches elongated, without simple and glandular hairs under the capitula, with dense stellate pubescence.
<emphasis italics="true" pageId="2" pageNumber="21">Capitula</emphasis>
cup-shaped, rounded at base.
<emphasis italics="true" pageId="2" pageNumber="21">Phyllaries</emphasis>
(
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Pubescence on the phyllaries of Hieracium sinoaestivum Sennikov (Harry Smith 7219, S). Scale bar: 1 mm." httpUri="https://binary.pensoft.net/fig/10715" pageId="2" pageNumber="21">Fig. 2</figureCitation>
) 9-10 mm long, 1-1.2 mm wide at middle, 1.5-1.7 mm wide at base, oblong-triangular with a gradually narrowed apex, olive green, the inner with paler margins, with simple and glandular hairs along a narrow median line and with stellate hairs over the surface; the inner with rare to sparse (5-15) simple hairs 1-1.2 mm long, dark at base, otherwise whitish, with sparse (up to 20) glandular hairs 0.2-0.5 mm long, thin and rather dark, with lax stellate pubescence, tipped with a few very short cilia at apex.
<emphasis italics="true" pageId="2" pageNumber="21">Florets</emphasis>
15-18, 16-17 mm long.
<emphasis italics="true" pageId="2" pageNumber="21">Ligules</emphasis>
probably intensely yellow, glabrous-tipped.
<emphasis italics="true" pageId="2" pageNumber="21">Styles</emphasis>
with black spines.
<emphasis italics="true" pageId="2" pageNumber="21">Achenes</emphasis>
ca 4 mm long, brick red.
<emphasis italics="true" pageId="2" pageNumber="21">Pappus</emphasis>
7-8 mm long, yellowish.
</paragraph>
<caption httpUri="https://binary.pensoft.net/fig/10715" pageId="2" pageNumber="21" start="Figure 2" startId="F2">
<paragraph pageId="2" pageNumber="21">
<emphasis bold="true" pageId="2" pageNumber="21">Figure 2.</emphasis>
Pubescence on the phyllaries of
<taxonomicName authorityName="Sennikov" authorityYear="2014" class="Magnoliopsida" family="Asteraceae" genus="Hieracium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Asterales" pageId="2" pageNumber="21" phylum="Tracheophyta" rank="species" species="sinoaestivum">
<emphasis italics="true" pageId="2" pageNumber="21">Hieracium sinoaestivum</emphasis>
</taxonomicName>
Sennikov (
<emphasis italics="true" pageId="2" pageNumber="21">Harry Smith 7219</emphasis>
, S). Scale bar: 1 mm.
</paragraph>
</caption>
</subSubSection>
<subSubSection lastPageId="4" lastPageNumber="23" pageId="2" pageNumber="21" type="affinity">
<paragraph pageId="2" pageNumber="21">Affinity.</paragraph>
<paragraph lastPageId="3" lastPageNumber="22" pageId="2" pageNumber="21">
The new species is attributed to
<taxonomicName class="Magnoliopsida" family="Asteraceae" genus="Hieracium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Asterales" pageId="2" pageNumber="21" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="2" pageNumber="21">Hieracium</emphasis>
</taxonomicName>
sect.
<taxonomicName class="Magnoliopsida" family="Compositae" genus="Aestiva" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Asterales" pageId="2" pageNumber="21" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="2" pageNumber="21">Aestiva</emphasis>
</taxonomicName>
(
<normalizedToken originalValue="Üksip">Ueksip</normalizedToken>
ex Schljakov) Sennikov which was circumscribed to embrace morphotypes presumably originated from crosses between members of
<taxonomicName class="Magnoliopsida" family="Asteraceae" genus="Hieracium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Asterales" pageId="2" pageNumber="21" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="2" pageNumber="21">Hieracium</emphasis>
</taxonomicName>
sect.
<taxonomicName class="Magnoliopsida" family="Asteraceae" genus="Prenanthoidea" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Asterales" pageId="2" pageNumber="21" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="2" pageNumber="21">Prenanthoidea</emphasis>
</taxonomicName>
W.D.J.Koch s.l. and
<taxonomicName class="Magnoliopsida" family="Asteraceae" genus="Hieracium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Asterales" pageId="2" pageNumber="21" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="2" pageNumber="21">Hieracium</emphasis>
</taxonomicName>
sect.
<taxonomicName class="Magnoliopsida" family="Asteraceae" genus="Umbellata" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Asterales" pageId="2" pageNumber="21" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="2" pageNumber="21">Umbellata</emphasis>
</taxonomicName>
Sendtn. (
<bibRefCitation author="Sennikov, AN" journalOrPublisher="Petersburg]" pageId="5" pageNumber="24" pagination="124 - 133" refId="B8" refString="Sennikov, AN, 1999. The genus Hieracium s. str. (Asteraceae) in the flora of the European part of Russia. Sections Foliosa, Robusta, Accipitrina, Prenanthoidea, Prenanthella, Aestiva, Alpestria. Botanicheskii Zhurnal [St. Petersburg] 84 (12): 124 - 133" title="The genus Hieracium s. str. (Asteraceae) in the flora of the European part of Russia. Sections Foliosa, Robusta, Accipitrina, Prenanthoidea, Prenanthella, Aestiva, Alpestria. Botanicheskii Zhurnal [St." volume="84" year="1999">Sennikov 1999</bibRefCitation>
).
<taxonomicName authorityName="Sennikov" authorityYear="2014" class="Magnoliopsida" family="Asteraceae" genus="Hieracium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Asterales" pageId="2" pageNumber="21" phylum="Tracheophyta" rank="species" species="sinoaestivum">
<emphasis italics="true" pageId="2" pageNumber="21">Hieracium sinoaestivum</emphasis>
</taxonomicName>
shares the abundant stellate pubescence, habit and largely the shape of leaves with some broad-leaved forms of
<taxonomicName class="Magnoliopsida" family="Asteraceae" genus="Hieracium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Asterales" pageId="2" pageNumber="21" phylum="Tracheophyta" rank="species" species="umbellatum">
<emphasis italics="true" pageId="2" pageNumber="21">Hieracium umbellatum</emphasis>
</taxonomicName>
L. but differs from the latter in its broader phyllaries with straight (vs. reflexed) tips, its leaf base clearly subrotund (vs. broadly cuneate), and a
<pageBreakToken pageId="3" pageNumber="22" start="start">much</pageBreakToken>
greater number of simple and glandular hairs on the phyllaries (the phyllaries in
<taxonomicName class="Magnoliopsida" family="Asteraceae" genus="Hieracium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Asterales" pageId="3" pageNumber="22" phylum="Tracheophyta" rank="species" species="umbellatum">
<emphasis italics="true" pageId="3" pageNumber="22">Hieracium umbellatum</emphasis>
</taxonomicName>
may occasionally have solitary to rare glandular hairs only). From
<taxonomicName class="Magnoliopsida" family="Asteraceae" genus="Hieracium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Asterales" pageId="3" pageNumber="22" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="3" pageNumber="22">Hieracium</emphasis>
</taxonomicName>
sect.
<taxonomicName class="Magnoliopsida" family="Asteraceae" genus="Prenanthoidea" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Asterales" pageId="3" pageNumber="22" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="3" pageNumber="22">Prenanthoidea</emphasis>
</taxonomicName>
the new species borrows a denser indumentum of phyllaries, a broader base of leaves, and the pale green (nearly glaucous) colour of leaves which is untypical of
<taxonomicName class="Magnoliopsida" family="Asteraceae" genus="Hieracium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Asterales" pageId="3" pageNumber="22" phylum="Tracheophyta" rank="species" species="umbellatum">
<emphasis italics="true" pageId="3" pageNumber="22">Hieracium umbellatum</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph pageId="3" pageNumber="22">
Of the presumed parents,
<taxonomicName class="Magnoliopsida" family="Asteraceae" genus="Hieracium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Asterales" pageId="3" pageNumber="22" phylum="Tracheophyta" rank="species" species="umbellatum">
<emphasis italics="true" pageId="3" pageNumber="22">Hieracium umbellatum</emphasis>
</taxonomicName>
is a common component of the boreal vegetation in the mountains of northern and western China (
<bibRefCitation author="Shih, C" editor="Wu, ZY" journalOrPublisher="20 - 21. Science Press, Beijing &amp; Missouri Botanical Garden Press, St. Louis" pageId="5" pageNumber="24" pagination="350 - 352" refId="B13" refString="Shih, C, Gottschlich, G, 2011. Hieracium L. In: Wu, ZY, Raven, PH, Hong, DY, Eds., Flora of China, vol. 20-21. Science Press, Beijing &amp; Missouri Botanical Garden Press, St. Louis: 350 - 352" title="Hieracium L." volumeTitle="Flora of China, vol." year="2011">Shih and Gottschlich 2011</bibRefCitation>
). In China, the species of
<taxonomicName class="Magnoliopsida" family="Asteraceae" genus="Hieracium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Asterales" pageId="3" pageNumber="22" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="3" pageNumber="22">Hieracium</emphasis>
</taxonomicName>
sect.
<taxonomicName class="Magnoliopsida" family="Asteraceae" genus="Prenanthoidea" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Asterales" pageId="3" pageNumber="22" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="3" pageNumber="22">Prenanthoidea</emphasis>
</taxonomicName>
s.l. (including hybrids) occur in the Xinjiang Province but not in the northern provinces (
<bibRefCitation author="Sennikov, AN" editor="Grubov, VI" journalOrPublisher="14 b. KMK Scientific Press, Moscow" pageId="5" pageNumber="24" pagination="19 - 28" refId="B10" refString="Sennikov, AN, 2008. Hieracium L. In: Grubov, VI, Ed., Plants of Central Asia, vol. 14b. KMK Scientific Press, Moscow: 19 - 28" title="Hieracium L." volumeTitle="Plants of Central Asia, vol." year="2008">Sennikov 2008</bibRefCitation>
,
<bibRefCitation author="Sennikov, AN" journalOrPublisher="Willdenowia" pageId="5" pageNumber="24" pagination="85 - 88" publicationUrl="10.3372/wi.42.42110" refId="B11" refString="Sennikov, AN, 2012. Critical notes on the genera Hieracium and Pilosella (Asteraceae, Cichorieae) in the Himalayas. Willdenowia 42 (1): 85 - 88, 10.3372/wi.42.42110" title="Critical notes on the genera Hieracium and Pilosella (Asteraceae, Cichorieae) in the Himalayas." url="10.3372/wi.42.42110" volume="42" year="2012">2012</bibRefCitation>
,
<bibRefCitation author="Shih, C" editor="Wu, ZY" journalOrPublisher="20 - 21. Science Press, Beijing &amp; Missouri Botanical Garden Press, St. Louis" pageId="5" pageNumber="24" pagination="350 - 352" refId="B13" refString="Shih, C, Gottschlich, G, 2011. Hieracium L. In: Wu, ZY, Raven, PH, Hong, DY, Eds., Flora of China, vol. 20-21. Science Press, Beijing &amp; Missouri Botanical Garden Press, St. Louis: 350 - 352" title="Hieracium L." volumeTitle="Flora of China, vol." year="2011">Shih and Gottschlich 2011</bibRefCitation>
).
</paragraph>
<paragraph pageId="3" pageNumber="22">
No similar species is known from China (
<bibRefCitation author="Sennikov, AN" editor="Grubov, VI" journalOrPublisher="14 b. KMK Scientific Press, Moscow" pageId="5" pageNumber="24" pagination="19 - 28" refId="B10" refString="Sennikov, AN, 2008. Hieracium L. In: Grubov, VI, Ed., Plants of Central Asia, vol. 14b. KMK Scientific Press, Moscow: 19 - 28" title="Hieracium L." volumeTitle="Plants of Central Asia, vol." year="2008">Sennikov 2008</bibRefCitation>
,
<bibRefCitation author="Shih, C" editor="Wu, ZY" journalOrPublisher="20 - 21. Science Press, Beijing &amp; Missouri Botanical Garden Press, St. Louis" pageId="5" pageNumber="24" pagination="350 - 352" refId="B13" refString="Shih, C, Gottschlich, G, 2011. Hieracium L. In: Wu, ZY, Raven, PH, Hong, DY, Eds., Flora of China, vol. 20-21. Science Press, Beijing &amp; Missouri Botanical Garden Press, St. Louis: 350 - 352" title="Hieracium L." volumeTitle="Flora of China, vol." year="2011">Shih and Gottschlich 2011</bibRefCitation>
). In southern Siberia
<taxonomicName class="Magnoliopsida" family="Asteraceae" genus="Hieracium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Asterales" pageId="3" pageNumber="22" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="3" pageNumber="22">Hieracium</emphasis>
</taxonomicName>
sect.
<taxonomicName class="Magnoliopsida" family="Compositae" genus="Aestiva" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Asterales" pageId="3" pageNumber="22" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="3" pageNumber="22">Aestiva</emphasis>
</taxonomicName>
is represented by about 7 species (
<bibRefCitation author="Tupitzina, NN" journalOrPublisher="Science Press, Beijing" pageId="5" pageNumber="24" refId="B16" refString="Tupitzina, NN, 2004. The hawkweeds of Siberia. Science Publishers, Novosibirsk, 1-208. ." title="The hawkweeds of Siberia. Science Publishers, Novosibirsk, 1 - 208." year="2004">Tupitzina 2004</bibRefCitation>
), of which only
<taxonomicName authorityName="N. V. Stepanov" authorityYear="1998" class="Magnoliopsida" family="Asteraceae" genus="Hieracium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Asterales" pageId="3" pageNumber="22" phylum="Tracheophyta" rank="species" species="nasimovae">
<emphasis italics="true" pageId="3" pageNumber="22">Hieracium nasimovae</emphasis>
</taxonomicName>
Stepanov and
<taxonomicName authorityName="Schischk &amp; Sergievsk" authorityYear="1949" class="Magnoliopsida" family="Asteraceae" genus="Hieracium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Asterales" pageId="3" pageNumber="22" phylum="Tracheophyta" rank="species" species="veresczaginii">
<emphasis italics="true" pageId="3" pageNumber="22">Hieracium veresczaginii</emphasis>
</taxonomicName>
Schischk. &amp; Serg. are said to have the leaf base cuneate or rotund and the synflorescence branches usually without glandular hairs. Unlike
<taxonomicName authorityName="Sennikov" authorityYear="2014" class="Magnoliopsida" family="Asteraceae" genus="Hieracium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Asterales" pageId="3" pageNumber="22" phylum="Tracheophyta" rank="species" species="sinoaestivum">
<emphasis italics="true" pageId="3" pageNumber="22">Hieracium sinoaestivum</emphasis>
</taxonomicName>
,
<taxonomicName authorityName="N. V. Stepanov" authorityYear="1998" class="Magnoliopsida" family="Asteraceae" genus="Hieracium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Asterales" pageId="3" pageNumber="22" phylum="Tracheophyta" rank="species" species="nasimovae">
<emphasis italics="true" pageId="3" pageNumber="22">Hieracium nasimovae</emphasis>
</taxonomicName>
is characterized by a large number of glandular hairs (up to 60) on the phyllaries and by the slightly panduriform leaves (
<bibRefCitation author="Stepanov, NV" journalOrPublisher="Turczaninowia" pageId="5" pageNumber="24" pagination="5 - 6" refId="B14" refString="Stepanov, NV, 1998. A new species of the genus Hieracium L. (Asteraceae) from the black taiga of the West Sayan. Turczaninowia 1 (1): 5 - 6" title="A new species of the genus Hieracium L. (Asteraceae) from the black taiga of the West Sayan." volume="1" year="1998">Stepanov 1998</bibRefCitation>
); this poorly known local taxon may actually be closely related to
<taxonomicName class="Magnoliopsida" family="Asteraceae" genus="Hieracium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Asterales" pageId="3" pageNumber="22" phylum="Tracheophyta" rank="species" species="krylovii">
<emphasis italics="true" pageId="3" pageNumber="22">Hieracium krylovii</emphasis>
</taxonomicName>
Nevsky ex Schljakov, a species of
<taxonomicName class="Magnoliopsida" family="Asteraceae" genus="Hieracium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Asterales" pageId="3" pageNumber="22" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="3" pageNumber="22">Hieracium</emphasis>
</taxonomicName>
sect.
<taxonomicName class="Magnoliopsida" family="Compositae" genus="Aestiva" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Asterales" pageId="3" pageNumber="22" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="3" pageNumber="22">Aestiva</emphasis>
</taxonomicName>
with a greater expression of characters of
<taxonomicName class="Magnoliopsida" family="Asteraceae" genus="Hieracium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Asterales" pageId="3" pageNumber="22" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="3" pageNumber="22">Hieracium</emphasis>
</taxonomicName>
sect.
<taxonomicName class="Magnoliopsida" family="Asteraceae" genus="Prenanthoidea" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Asterales" pageId="3" pageNumber="22" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="3" pageNumber="22">Prenanthoidea</emphasis>
</taxonomicName>
s.l.
</paragraph>
<paragraph lastPageId="4" lastPageNumber="23" pageId="3" pageNumber="22">
<taxonomicName authorityName="Schischk &amp; Sergievsk" authorityYear="1949" class="Magnoliopsida" family="Asteraceae" genus="Hieracium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Asterales" pageId="3" pageNumber="22" phylum="Tracheophyta" rank="species" species="veresczaginii">
<emphasis italics="true" pageId="3" pageNumber="22">Hieracium veresczaginii</emphasis>
</taxonomicName>
occurs in eastern Kazakhstan on the border with Russia (
<bibRefCitation author="Kotukhov, YA" journalOrPublisher="Botanicheskie Materialy Gerbariya Instituta Botaniki Akademii Nauk Kazakhskoi SSR" pageId="5" pageNumber="24" pagination="10 - 14" refId="B3" refString="Kotukhov, YA, 1971. Supplement to the Flora of Kazakhstan, II. Botanicheskie Materialy Gerbariya Instituta Botaniki Akademii Nauk Kazakhskoi SSR 7: 10 - 14" title="Supplement to the Flora of Kazakhstan, II." volume="7" year="1971">Kotukhov 1971</bibRefCitation>
,
<bibRefCitation author="Abdulina, SA" pageId="5" pageNumber="24" refId="B1" refString="Abdulina, SA, 1999. Checklist of vascular plants of Kazakhstan. Institute of Botany and Plant Introduction, Almaty, 1-187." title="Checklist of vascular plants of Kazakhstan. Institute of Botany and Plant Introduction, Almaty, 1 - 187." year="1999">Abdulina 1999</bibRefCitation>
) and in southern Siberia westwards to the Chita
<pageBreakToken pageId="4" pageNumber="23" start="start">town</pageBreakToken>
(
<bibRefCitation author="Tupitzina, NN" journalOrPublisher="Science Press, Beijing" pageId="5" pageNumber="24" refId="B16" refString="Tupitzina, NN, 2004. The hawkweeds of Siberia. Science Publishers, Novosibirsk, 1-208. ." title="The hawkweeds of Siberia. Science Publishers, Novosibirsk, 1 - 208." year="2004">Tupitzina 2004</bibRefCitation>
). It is said to be characterized by the phyllaries with sparse glandular hairs 0.2-0.4 mm long (along a median line) and sometimes also with solitary short simple hairs, usually with an abundant stellate pubescence (
<bibRefCitation author="Tupitzina, NN" journalOrPublisher="Science Press, Beijing" pageId="5" pageNumber="24" refId="B16" refString="Tupitzina, NN, 2004. The hawkweeds of Siberia. Science Publishers, Novosibirsk, 1-208. ." title="The hawkweeds of Siberia. Science Publishers, Novosibirsk, 1 - 208." year="2004">Tupitzina 2004</bibRefCitation>
). My examination of the material of
<taxonomicName authorityName="Schischk &amp; Sergievsk" authorityYear="1949" class="Magnoliopsida" family="Asteraceae" genus="Hieracium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Asterales" pageId="4" pageNumber="23" phylum="Tracheophyta" rank="species" species="veresczaginii">
<emphasis italics="true" pageId="4" pageNumber="23">Hieracium veresczaginii</emphasis>
</taxonomicName>
kept in LE has shown that this species regularly has ovate-lanceolate or oblong-ovate leaves with a rotund base and a coarse dentation, resembling those of large individuals of
<taxonomicName class="Magnoliopsida" family="Asteraceae" genus="Hieracium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Asterales" pageId="4" pageNumber="23" phylum="Tracheophyta" rank="species" species="umbellatum">
<emphasis italics="true" pageId="4" pageNumber="23">Hieracium umbellatum</emphasis>
</taxonomicName>
. In the shape of leaves and the type of pubescence
<taxonomicName authorityName="Schischk &amp; Sergievsk" authorityYear="1949" class="Magnoliopsida" family="Asteraceae" genus="Hieracium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Asterales" pageId="4" pageNumber="23" phylum="Tracheophyta" rank="species" species="veresczaginii">
<emphasis italics="true" pageId="4" pageNumber="23">Hieracium veresczaginii</emphasis>
</taxonomicName>
seems to be the most similar to
<taxonomicName authorityName="Sennikov" authorityYear="2014" class="Magnoliopsida" family="Asteraceae" genus="Hieracium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Asterales" pageId="4" pageNumber="23" phylum="Tracheophyta" rank="species" species="sinoaestivum">
<emphasis italics="true" pageId="4" pageNumber="23">Hieracium sinoaestivum</emphasis>
</taxonomicName>
, mainly differing in solitary simple hairs on its phyllaries. It is a species of taiga forest, occurring in spruce, fir, pine, birch and mixed forests of the Altai-Sayan mountain system and its northern extensions (
<bibRefCitation author="Tupitzina, NN" journalOrPublisher="Science Press, Beijing" pageId="5" pageNumber="24" refId="B16" refString="Tupitzina, NN, 2004. The hawkweeds of Siberia. Science Publishers, Novosibirsk, 1-208. ." title="The hawkweeds of Siberia. Science Publishers, Novosibirsk, 1 - 208." year="2004">Tupitzina 2004</bibRefCitation>
).
</paragraph>
</subSubSection>
<subSubSection lastPageId="5" lastPageNumber="24" pageId="4" pageNumber="23" type="variability">
<paragraph pageId="4" pageNumber="23">Variability.</paragraph>
<paragraph lastPageId="5" lastPageNumber="24" pageId="4" pageNumber="23">
The two original collections clearly differ from each other in the pubescence of stems and leaves, although the indumentum of phyllaries is nearly invariable. The robust and hairy plant of
<emphasis italics="true" pageId="4" pageNumber="23">Harry Smith 7172</emphasis>
also has a much longer dentation
<pageBreakToken pageId="5" pageNumber="24" start="start">of</pageBreakToken>
leaves. This difference is considered taxonomically insignificant but likely indicates genetic variability within this presumably apomictic species.
</paragraph>
</subSubSection>
<subSubSection pageId="5" pageNumber="24" type="distribution">
<paragraph pageId="5" pageNumber="24">Distribution.</paragraph>
<paragraph pageId="5" pageNumber="24">
The new species is known from a single locality in the Shanxi Province of China, situated approximately at
<geoCoordinate degrees="38.3" direction="north" orientation="latitude" precision="5555" value="38.3">38.3°N</geoCoordinate>
,
<geoCoordinate degrees="111" direction="east" orientation="longitude" precision="55555" value="111.0">111°E</geoCoordinate>
in the
<normalizedToken originalValue="Lüliang">Lueliang</normalizedToken>
Mountains (
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Distribution of Hieracium sinoaestivum Sennikov." httpUri="https://binary.pensoft.net/fig/10716" pageId="5" pageNumber="24">Fig. 3</figureCitation>
).
</paragraph>
<caption httpUri="https://binary.pensoft.net/fig/10716" pageId="5" pageNumber="24" start="Figure 3" startId="F3">
<paragraph pageId="5" pageNumber="24">
<emphasis bold="true" pageId="5" pageNumber="24">Figure 3.</emphasis>
Distribution of
<taxonomicName authorityName="Sennikov" authorityYear="2014" class="Magnoliopsida" family="Asteraceae" genus="Hieracium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Asterales" pageId="5" pageNumber="24" phylum="Tracheophyta" rank="species" species="sinoaestivum">
<emphasis italics="true" pageId="5" pageNumber="24">Hieracium sinoaestivum</emphasis>
</taxonomicName>
Sennikov.
</paragraph>
</caption>
<paragraph pageId="5" pageNumber="24">
This locality lies within the distribution area of
<taxonomicName class="Magnoliopsida" family="Asteraceae" genus="Hieracium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Asterales" pageId="5" pageNumber="24" phylum="Tracheophyta" rank="species" species="umbellatum">
<emphasis italics="true" pageId="5" pageNumber="24">Hieracium umbellatum</emphasis>
</taxonomicName>
(
<bibRefCitation author="Shih, C" editor="Wu, ZY" journalOrPublisher="20 - 21. Science Press, Beijing &amp; Missouri Botanical Garden Press, St. Louis" pageId="5" pageNumber="24" pagination="350 - 352" refId="B13" refString="Shih, C, Gottschlich, G, 2011. Hieracium L. In: Wu, ZY, Raven, PH, Hong, DY, Eds., Flora of China, vol. 20-21. Science Press, Beijing &amp; Missouri Botanical Garden Press, St. Louis: 350 - 352" title="Hieracium L." volumeTitle="Flora of China, vol." year="2011">Shih and Gottschlich 2011</bibRefCitation>
) but at the distance of ca. 600 km from the nearest locality of
<taxonomicName class="Magnoliopsida" family="Asteraceae" genus="Hieracium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Asterales" pageId="5" pageNumber="24" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="5" pageNumber="24">Hieracium</emphasis>
</taxonomicName>
sect.
<taxonomicName class="Magnoliopsida" family="Asteraceae" genus="Prenanthoidea" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Asterales" pageId="5" pageNumber="24" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="5" pageNumber="24">Prenanthoidea</emphasis>
</taxonomicName>
s.l. (including hybrids) in southern Siberia (
<bibRefCitation author="Tupitzina, NN" journalOrPublisher="Science Press, Beijing" pageId="5" pageNumber="24" refId="B16" refString="Tupitzina, NN, 2004. The hawkweeds of Siberia. Science Publishers, Novosibirsk, 1-208. ." title="The hawkweeds of Siberia. Science Publishers, Novosibirsk, 1 - 208." year="2004">Tupitzina 2004</bibRefCitation>
).
</paragraph>
</subSubSection>
<subSubSection pageId="5" pageNumber="24" type="ecology">
<paragraph pageId="5" pageNumber="24">Ecology.</paragraph>
<paragraph pageId="5" pageNumber="24">
According to the
<normalizedToken originalValue="collectors">collector's</normalizedToken>
notes,
<taxonomicName authorityName="Sennikov" authorityYear="2014" class="Magnoliopsida" family="Asteraceae" genus="Hieracium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Asterales" pageId="5" pageNumber="24" phylum="Tracheophyta" rank="species" species="sinoaestivum">
<emphasis italics="true" pageId="5" pageNumber="24">Hieracium sinoaestivum</emphasis>
</taxonomicName>
grows on montane meadows in the forest belt at altitudes of 600-750 m a.s.l. The species flowers in August, fruits in August-September.
</paragraph>
</subSubSection>
<subSubSection pageId="5" pageNumber="24" type="phytogeography">
<paragraph pageId="5" pageNumber="24">Phytogeography.</paragraph>
<paragraph pageId="5" pageNumber="24">
The only locality of the new species is situated in the subregion of North China Mountains, region of North China, subkingdom of Sino-Japanese Forest, Eastern Asiatic kingdom of Chinese phytogeographers (
<bibRefCitation author="Sun, H" editor="Hong, DY" journalOrPublisher="Science Press, Beijing" pageId="5" pageNumber="24" pagination="176 - 204" refId="B15" refString="Sun, H, 2013. Phytogeographical regions of China. In: Hong, DY, Blackmore, S, Eds., Plants of China. Science Press, Beijing: 176 - 204" title="Phytogeographical regions of China." volumeTitle="Plants of China." year="2013">Sun 2013</bibRefCitation>
). This area has a rich indigenous flora, with ca. 300 species endemic to the subregion (
<bibRefCitation author="Wang, HS" journalOrPublisher="Bulletin de l'Academie Internationale de Geographie Botanique" pageId="5" pageNumber="24" refId="B18" refString="Wang, HS, 1997. Floristic geography of North China. Wanhai Books, Beijing, 1-229. ." title="Floristic geography of North China. Wanhai Books, Beijing, 1 - 229." year="1997">Wang 1997</bibRefCitation>
,
<bibRefCitation author="Sun, H" editor="Hong, DY" journalOrPublisher="Science Press, Beijing" pageId="5" pageNumber="24" pagination="176 - 204" refId="B15" refString="Sun, H, 2013. Phytogeographical regions of China. In: Hong, DY, Blackmore, S, Eds., Plants of China. Science Press, Beijing: 176 - 204" title="Phytogeographical regions of China." volumeTitle="Plants of China." year="2013">Sun 2013</bibRefCitation>
).
<taxonomicName authorityName="Sennikov" authorityYear="2014" class="Magnoliopsida" family="Asteraceae" genus="Hieracium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Asterales" pageId="5" pageNumber="24" phylum="Tracheophyta" rank="species" species="sinoaestivum">
<emphasis italics="true" pageId="5" pageNumber="24">Hieracium sinoaestivum</emphasis>
</taxonomicName>
belongs to taiga forest floristic elements and represents a penetration of holarctic elements into the East Asian flora.
</paragraph>
</subSubSection>
<subSubSection pageId="5" pageNumber="24" type="conservation status">
<paragraph pageId="5" pageNumber="24">Conservation status.</paragraph>
<paragraph pageId="5" pageNumber="24">Data deficient.</paragraph>
</subSubSection>
<subSubSection pageId="5" pageNumber="24" type="mode of reproduction">
<paragraph pageId="5" pageNumber="24">Mode of reproduction.</paragraph>
<paragraph pageId="5" pageNumber="24">Not known, presumably apomictic.</paragraph>
</subSubSection>
<subSubSection pageId="5" pageNumber="24" type="etymology">
<paragraph pageId="5" pageNumber="24">Etymology.</paragraph>
<paragraph pageId="5" pageNumber="24">
The species epithet is derived from
<emphasis italics="true" pageId="5" pageNumber="24">Sino</emphasis>
-, pertaining to China, and
<emphasis italics="true" pageId="5" pageNumber="24">aestivum</emphasis>
, reflecting the sectional placement of the species.
</paragraph>
</subSubSection>
</treatment>
</document>