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<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.206.85241" ID-GBIF-Dataset="1ed1e994-22a5-4783-bfe8-351033fd73d7" ID-Pensoft-Pub="1314-2003-206-75" ID-Pensoft-UUID="B960F6B2394E5C18BB5F79AB13341726" ModsDocID="1314-2003-206-75" checkinTime="1661532596928" checkinUser="pensoft" docAuthor="Yang, Feng, Chen, Chao, Ye, Jing-Yi, Wu, Jian-Yong &amp; Wang, Huan-Chong" docDate="2022" docId="931AEDC0724056BEBE43BB595B220C46" docLanguage="en" docName="PhytoKeys 206: 75-86" docOrigin="PhytoKeys 206" docPubDate="2022-08-26" docSource="http://dx.doi.org/10.3897/phytokeys.206.85241" docTitle="Breynia hiemalis Huan C. Wang &amp; Feng Yang 2022, sp. nov." docType="treatment" docVersion="2" id="B960F6B2394E5C18BB5F79AB13341726" lastPageNumber="75" masterDocId="B960F6B2394E5C18BB5F79AB13341726" masterDocTitle="Breynia hiemalis (Phyllanthaceae, Phyllantheae), a new species from Yunnan, south-west China" masterLastPageNumber="86" masterPageNumber="75" pageNumber="75" updateTime="1661533429598" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Breynia hiemalis (Phyllanthaceae, Phyllantheae), a new species from Yunnan, south-west China</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Yang, Feng</mods:namePart>
<mods:affiliation>School of Life Sciences, Yunnan University, Kunming 650091, Yunnan, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Chen, Chao</mods:namePart>
<mods:affiliation>Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Mengla 666303, Yunnan, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Ye, Jing-Yi</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-3737-0115</mods:nameIdentifier>
<mods:affiliation>School of Life Sciences, Yunnan University, Kunming 650091, Yunnan, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Wu, Jian-Yong</mods:namePart>
<mods:affiliation>Yuanjiang Savanna Ecosystem Research Station, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Yuanjiang 653300, Yunnan, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Wang, Huan-Chong</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-8562-8849</mods:nameIdentifier>
<mods:affiliation>School of Life Sciences, Yunnan University, Kunming 650091, Yunnan, China &amp; Yuxi Forestry and Grassland Bureau, Yuxi 653100, Yunnan, China</mods:affiliation>
<mods:nameIdentifier type="email">hchwang@ynu.edu.cn</mods:nameIdentifier>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>PhytoKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2022</mods:date>
<mods:detail type="pubDate">
<mods:number>2022-08-26</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>206</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>75</mods:start>
<mods:end>86</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location>
<mods:url>http://dx.doi.org/10.3897/phytokeys.206.85241</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.206.85241</mods:identifier>
<mods:identifier type="Pensoft-Pub">1314-2003-206-75</mods:identifier>
<mods:identifier type="Pensoft-UUID">B960F6B2394E5C18BB5F79AB13341726</mods:identifier>
</mods:mods>
<treatment LSID="urn:lsid:plazi:treatment:931AEDC0724056BEBE43BB595B220C46" httpUri="http://treatment.plazi.org/id/931AEDC0724056BEBE43BB595B220C46" lastPageNumber="75" pageId="0" pageNumber="75">
<subSubSection pageId="0" pageNumber="75" type="nomenclature">
<paragraph pageId="0" pageNumber="75">
<taxonomicName LSID="931AEDC0-7240-56BE-BE43-BB595B220C46" authority="Huan C. Wang &amp; Feng Yang" authorityName="Huan C. Wang &amp; Feng Yang" authorityYear="2022" class="Magnoliopsida" domain="Unassigned" family="Phyllanthaceae" genus="Breynia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Breynia hiemalis" order="Malpighiales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="hiemalis" status="sp. nov.">Breynia hiemalis Huan C. Wang &amp; Feng Yang</taxonomicName>
<taxonomicNameLabel pageId="0" pageNumber="75">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="75" type="description">
<paragraph pageId="0" pageNumber="75">
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Breynia hiemalis. (Drawn by Jing-Yi Ye from type specimen H. C. Wang et al. YJ 16225) A habit B pistillate flower (apical view) C fruit D staminate flower (apical view) E staminate flower (lateral view)." figureDoi="10.3897/phytokeys.206.85241.figure1" httpUri="https://binary.pensoft.net/fig/735688" pageId="0" pageNumber="75">Figs 1</figureCitation>
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Breynia hiemalis A habit B phyllanthoid branch showing pistillate flower and staminate flowers C stipule D staminate flower (apical view) E pistillate flower (apical view) F calyx in fruit (dorsal view) G fruit. Photographed by H. C. Wang from type locality in January 2022." figureDoi="10.3897/phytokeys.206.85241.figure2" httpUri="https://binary.pensoft.net/fig/735689" pageId="0" pageNumber="75">, 2</figureCitation>
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Holotype of Breynia hiemalis (YUKU- 02074690)." figureDoi="10.3897/phytokeys.206.85241.figure3" httpUri="https://binary.pensoft.net/fig/735690" pageId="0" pageNumber="75">, 3</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="75" type="materials_examined">
<paragraph pageId="0" pageNumber="75">
<typeStatus>Type</typeStatus>
.
</paragraph>
<paragraph pageId="0" pageNumber="75">
<materialsCitation collectingDate="2022-01-12" collectorName="H. C. Wang" country="China" county="Yuanjiang County" elevation="650" latitude="23.476946" location="Pupiao" longLatPrecision="21" longitude="102.17694" specimenCount="1" stateProvince="Yunnan Province" typeStatus="holotype">
<collectingCountry name="China">China</collectingCountry>
.
<collectingRegion country="China" name="Yunnan">Yunnan Province</collectingRegion>
:
<collectingCounty>Yuanjiang County</collectingCounty>
,
<location LSID="urn:lsid:plazi:treatment:931AEDC0724056BEBE43BB595B220C46:CF3BB3558846DD7C2598D9496C54BF3B" country="China" county="Yuanjiang County" latitude="23.476946" longLatPrecision="21" longitude="102.17694" name="Pupiao" stateProvince="Yunnan Province">Pupiao</location>
,
<quantity metricMagnitude="2" metricUnit="m" metricValue="6.5" metricValueMax="7.0" metricValueMin="6.0" unit="m" value="650.0" valueMax="700.0" valueMin="600.0">
<elevation metricMagnitude="2" metricUnit="m" metricValue="6.5" metricValueMax="7.0" metricValueMin="6.0" unit="m" value="650.0" valueMax="700.0" valueMin="600.0">600-700 m</elevation>
</quantity>
,
<geoCoordinate degrees="23" direction="north" minutes="28" orientation="latitude" precision="15" seconds="37" value="23.476946">23°28'37&quot;N</geoCoordinate>
,
<geoCoordinate degrees="102" direction="east" minutes="10" orientation="longitude" precision="15" seconds="37" value="102.17694">102°10'37&quot;E</geoCoordinate>
, in savanna on a mountain slope,
<collectingDate value="2022-01-12">12 Jan. 2022</collectingDate>
,
<emphasis italics="true" pageId="0" pageNumber="75">
<collectorName>H. C. Wang</collectorName>
et al. YJ16225
</emphasis>
(
<typeStatus>holotype</typeStatus>
YUKU-02074690!; isotypes YUKU!, PE!, HITBC!)
</materialsCitation>
.
</paragraph>
<caption doi="10.3897/phytokeys.206.85241.figure1" httpUri="https://binary.pensoft.net/fig/735688" pageId="0" pageNumber="75" start="Figure 1" startId="F1">
<paragraph pageId="0" pageNumber="75">
<emphasis bold="true" pageId="0" pageNumber="75">Figure 1.</emphasis>
<taxonomicName authorityName="Huan C. Wang &amp; Feng Yang" authorityYear="2022" class="Magnoliopsida" domain="Unassigned" family="Euphorbiaceae" genus="Breynia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Breynia hiemalis" order="Malpighiales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="hiemalis">
<emphasis italics="true" pageId="0" pageNumber="75">Breynia hiemalis</emphasis>
</taxonomicName>
. (Drawn by Jing-Yi Ye from
<typeStatus>type</typeStatus>
specimen
<emphasis italics="true" pageId="0" pageNumber="75">H. C. Wang et al. YJ16225</emphasis>
)
<emphasis bold="true" pageId="0" pageNumber="75">A</emphasis>
habit
<emphasis bold="true" pageId="0" pageNumber="75">B</emphasis>
pistillate flower (apical view)
<emphasis bold="true" pageId="0" pageNumber="75">C</emphasis>
fruit
<emphasis bold="true" pageId="0" pageNumber="75">D</emphasis>
staminate flower (apical view)
<emphasis bold="true" pageId="0" pageNumber="75">E</emphasis>
staminate flower (lateral view).
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="75" type="diagnosis">
<paragraph pageId="0" pageNumber="75">Diagnosis.</paragraph>
<paragraph pageId="0" pageNumber="75">
<taxonomicName authorityName="Huan C. Wang &amp; Feng Yang" authorityYear="2022" class="Magnoliopsida" domain="Unassigned" family="Euphorbiaceae" genus="Breynia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Breynia hiemalis" order="Malpighiales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="hiemalis">
<emphasis italics="true" pageId="0" pageNumber="75">Breynia hiemalis</emphasis>
</taxonomicName>
can easily be distinguished from all morphologically similar species by plants glabrous throughout, by its broadly elliptic to orbicular and relatively small (4-21
<normalizedToken originalValue="×">x</normalizedToken>
4-17 mm) leaves, calyx of staminate flower shallowly plate-like, ovary rim conspicuously erose, and the urceolate capsule with a raised and lobed apical rim.
</paragraph>
<caption doi="10.3897/phytokeys.206.85241.figure2" httpUri="https://binary.pensoft.net/fig/735689" pageId="0" pageNumber="75" start="Figure 2" startId="F2">
<paragraph pageId="0" pageNumber="75">
<emphasis bold="true" pageId="0" pageNumber="75">Figure 2.</emphasis>
<taxonomicName authorityName="Huan C. Wang &amp; Feng Yang" authorityYear="2022" class="Magnoliopsida" domain="Unassigned" family="Euphorbiaceae" genus="Breynia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Breynia hiemalis" order="Malpighiales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="hiemalis">
<emphasis italics="true" pageId="0" pageNumber="75">Breynia hiemalis</emphasis>
</taxonomicName>
<emphasis bold="true" pageId="0" pageNumber="75">A</emphasis>
habit
<emphasis bold="true" pageId="0" pageNumber="75">B</emphasis>
phyllanthoid branch showing pistillate flower and staminate flowers
<emphasis bold="true" pageId="0" pageNumber="75">C</emphasis>
stipule
<emphasis bold="true" pageId="0" pageNumber="75">D</emphasis>
staminate flower (apical view)
<emphasis bold="true" pageId="0" pageNumber="75">E</emphasis>
pistillate flower (apical view)
<emphasis bold="true" pageId="0" pageNumber="75">F</emphasis>
calyx in fruit (dorsal view)
<emphasis bold="true" pageId="0" pageNumber="75">G</emphasis>
fruit. Photographed by H. C. Wang from type locality in January 2022.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="75" type="description">
<paragraph pageId="0" pageNumber="75">Description.</paragraph>
<paragraph pageId="0" pageNumber="75">
Dwarf shrubs or subshrubs, 10-20 (-30) cm tall, monoecious, glabrous throughout, with phyllanthoid branching. Main stems more or less procumbent to ascending, brown, with 4 shallow ribs, sometimes rooting at the lower nodes; branches green, deciduous, ascending, 3-8 cm long.
<taxonomicName genus="Cataphylls" lsidName="Cataphylls" pageId="0" pageNumber="75" rank="genus">
<emphasis bold="true" italics="true" pageId="0" pageNumber="75">Cataphylls</emphasis>
</taxonomicName>
lanceolate, to 1 mm long, arranged spirally at the base of the plagiotropic branchlets.
<emphasis italics="true" pageId="0" pageNumber="75">Leaves</emphasis>
on ultimate branchlets distichous, simple; stipules triangular-lanceolate, usually auriculate basally, 1.5-2.0 mm long;
<emphasis bold="true" italics="true" pageId="0" pageNumber="75">petiole</emphasis>
1.2-1.6
<normalizedToken originalValue="×">x</normalizedToken>
0.3-0.5 mm;
<emphasis bold="true" italics="true" pageId="0" pageNumber="75">blade</emphasis>
broadly elliptic to orbicular, rarely slightly ovate, papery, 4-21
<normalizedToken originalValue="×">x</normalizedToken>
4-17 mm, length/width ratio 1-1.5, base rounded to broadly cuneate, margin entire, flat, apex usually rounded, sometimes truncate, retuse, rarely mucronate, adaxially green, abaxially grey or slightly glaucous; venation pinnate, lateral veins 4 or 5 pairs, reticulate veins obscure.
<emphasis bold="true" italics="true" pageId="0" pageNumber="75">Inflorescences</emphasis>
axillary,
<emphasis bold="true" italics="true" pageId="0" pageNumber="75">peduncles</emphasis>
very short,
<normalizedToken originalValue="±">+/-</normalizedToken>
0.1
<normalizedToken originalValue="×">x</normalizedToken>
0.1 mm, with minute bracts, male or female flowers usually solitary, staminate flowers proximal, pistillate flowers usually distal.
<emphasis bold="true" pageId="0" pageNumber="75">
<emphasis italics="true" pageId="0" pageNumber="75">Staminate flowers</emphasis>
:
<emphasis italics="true" pageId="0" pageNumber="75">pedicel</emphasis>
</emphasis>
slender,
<normalizedToken originalValue="±">+/-</normalizedToken>
7 mm long;
<emphasis bold="true" italics="true" pageId="0" pageNumber="75">calyx</emphasis>
shallowly plate-like,
<normalizedToken originalValue="±">+/-</normalizedToken>
4 mm in diam., red, 6-lobed; lobes biseriate, broadly obovate, slightly fleshy, 0.9-1.2
<normalizedToken originalValue="×">x</normalizedToken>
1.1-1.3 mm, apex obtuse or retuse, scales present;
<emphasis bold="true" italics="true" pageId="0" pageNumber="75">stamens</emphasis>
3, filaments connate, androphore
<normalizedToken originalValue="±">+/-</normalizedToken>
0.2 mm long, splitting horizontally, branches up to 0.5 mm long with anthers underneath, anthers
<normalizedToken originalValue="±">+/-</normalizedToken>
0.3
<normalizedToken originalValue="×">x</normalizedToken>
0.3 mm.
<emphasis bold="true" pageId="0" pageNumber="75">
<emphasis italics="true" pageId="0" pageNumber="75">Pistillate flowers</emphasis>
:
<emphasis italics="true" pageId="0" pageNumber="75">pedicel</emphasis>
</emphasis>
<normalizedToken originalValue="±">+/-</normalizedToken>
3 mm long, thickening upwards; calyx
<normalizedToken originalValue="±">+/-</normalizedToken>
6 mm in diam., greenish, whitish yellow, or pinkish, lobes biseriate, obovate, subcoriaceous, outer lobes 2.5-3.0
<normalizedToken originalValue="×">x</normalizedToken>
<normalizedToken originalValue="±">+/-</normalizedToken>
2.5 mm, slightly longer and wider than the inner, inner lobes
<normalizedToken originalValue="±">+/-</normalizedToken>
2.5
<normalizedToken originalValue="×">x</normalizedToken>
2.1-2.5 mm, apex obtuse to truncate, shortly and abruptly acuminate;
<emphasis bold="true" italics="true" pageId="0" pageNumber="75">ovary</emphasis>
obconical, 1.2-1.6 mm in diam., 3-locular, 2 ovules per locule, rim present at the apex, obviously erose; stigmas 3, spreading horizontally from top of ovary, apex split and recurved through
<normalizedToken originalValue="±">+/-</normalizedToken>
180°, sepals persistent and enlarged to
<normalizedToken originalValue="±">+/-</normalizedToken>
5
<normalizedToken originalValue="×">x</normalizedToken>
4 mm in fruit.
<emphasis bold="true" italics="true" pageId="0" pageNumber="75">Capsules</emphasis>
urceolate,
<normalizedToken originalValue="±">+/-</normalizedToken>
4
<normalizedToken originalValue="×">x</normalizedToken>
5-6 mm, with a raised, lobed apical rim and persistent stigmas.
</paragraph>
<caption doi="10.3897/phytokeys.206.85241.figure3" httpUri="https://binary.pensoft.net/fig/735690" pageId="0" pageNumber="75" start="Figure 3" startId="F3">
<paragraph pageId="0" pageNumber="75">
<emphasis bold="true" pageId="0" pageNumber="75">Figure 3.</emphasis>
Holotype of
<taxonomicName authorityName="Huan C. Wang &amp; Feng Yang" authorityYear="2022" class="Magnoliopsida" domain="Unassigned" family="Euphorbiaceae" genus="Breynia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Breynia hiemalis" order="Malpighiales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="hiemalis">
<emphasis italics="true" pageId="0" pageNumber="75">Breynia hiemalis</emphasis>
</taxonomicName>
(YUKU-02074690).
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="75" type="phenology">
<paragraph pageId="0" pageNumber="75">Phenology.</paragraph>
<paragraph pageId="0" pageNumber="75">Flowering from December to January, fruiting from January to February.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="75" type="etymology">
<paragraph pageId="0" pageNumber="75">Etymology.</paragraph>
<paragraph pageId="0" pageNumber="75">
The epithet
<normalizedToken originalValue="">''</normalizedToken>
<emphasis italics="true" pageId="0" pageNumber="75">hiemalis</emphasis>
<normalizedToken originalValue="">''</normalizedToken>
is Latin for
<normalizedToken originalValue="">''</normalizedToken>
belonging to
<normalizedToken originalValue="winter">winter''</normalizedToken>
, referring to the flowering period of this new species.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="75" type="distribution">
<paragraph pageId="0" pageNumber="75">Distribution and habitat.</paragraph>
<paragraph pageId="0" pageNumber="75">
<taxonomicName authorityName="Huan C. Wang &amp; Feng Yang" authorityYear="2022" class="Magnoliopsida" domain="Unassigned" family="Euphorbiaceae" genus="Breynia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Breynia hiemalis" order="Malpighiales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="hiemalis">
<emphasis italics="true" pageId="0" pageNumber="75">Breynia hiemalis</emphasis>
</taxonomicName>
appears to be rare and is endemic to Yunnan, south-west China. It is known from only a single locality in the valley of the Yuanjiang River, which flows from Yunnan (south-west China) through northern Vietnam to the Gulf of Tonkin (Fig.
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. South-western China, showing the known distribution (red star) of Breynia hiemalis. The blue lines represent the rivers." figureDoi="10.3897/phytokeys.206.85241.figure4" httpUri="https://binary.pensoft.net/fig/735691" pageId="0" pageNumber="75">4</figureCitation>
). The climate in Yuanjiang valley is characterized by a long dry season (the dry season can be further divided into a cool dry season (November to February) and a hot dry season (March to April)), with an annual average temperature of 24 °C and a mean annual evaporation capacity of 2700-3800 mm, that is three to six times higher than the mean annual precipitation (600-800 mm), and with 80-90% of the precipitation concentrated in the wet season (from May to October) (
<bibRefCitation author="Jin, ZZ" journalOrPublisher="Nordic Journal of Botany" pageId="0" pageNumber="75" refId="B11" refString="Jin, ZZ, 2002. Floristic features of dry-hot and dry-warm valleys, Yunnan and Sichuan. Yunnan Science and Technology Press, Kunming, 1-255." title="Floristic features of dry-hot and dry-warm valleys, Yunnan and Sichuan. Yunnan Science and Technology Press, Kunming, 1 - 255." year="2002">Jin 2002</bibRefCitation>
;
<bibRefCitation author="Shen, R" journalOrPublisher="Shengtai Huanjing Xuebao" pageId="0" pageNumber="75" pagination="2821 - 2825" refId="B24" refString="Shen, R, Zhang, JL, He, B, Li, F, Zhang, ZM, Zhou, R, Ou, XK, 2010. The structure characteristic and analysis on similarity of grassland community in dry-hot valley of Yuanjiang River. Shengtai Huanjing Xuebao 19 (12): 2821 - 2825" title="The structure characteristic and analysis on similarity of grassland community in dry-hot valley of Yuanjiang River." volume="19" year="2010">Shen et al. 2010</bibRefCitation>
;
<bibRefCitation DOI="https://doi.org/10.1093/botlinnean/box023" author="Zhou, Z" journalOrPublisher="Botanical Journal of the Linnean Society" pageId="0" pageNumber="75" pagination="167 - 184" refId="B32" refString="Zhou, Z, Gu, BJ, Sun, H, Zhu, H, Tang, YH, 2017. Molecular phylogenetic analyses of Euphorbiaceae tribe Epiprineae, with the description of a new genus, Tsaiodendron gen. nov., from south-western China. Botanical Journal of the Linnean Society 184 (2): 167 - 184, DOI: https://doi.org/10.1093/botlinnean/box023" title="Molecular phylogenetic analyses of Euphorbiaceae tribe Epiprineae, with the description of a new genus, Tsaiodendron gen. nov., from south-western China." url="https://doi.org/10.1093/botlinnean/box023" volume="184" year="2017">Zhou et al. 2017</bibRefCitation>
).
<taxonomicName authorityName="Huan C. Wang &amp; Feng Yang" authorityYear="2022" class="Magnoliopsida" domain="Unassigned" family="Euphorbiaceae" genus="Breynia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Breynia hiemalis" order="Malpighiales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="hiemalis">
<emphasis italics="true" pageId="0" pageNumber="75">Breynia hiemalis</emphasis>
</taxonomicName>
grows in savanna on a mountain slope (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Habitat of Breynia hiemalis A distant view of the type locality B nearby view." figureDoi="10.3897/phytokeys.206.85241.figure5" httpUri="https://binary.pensoft.net/fig/735692" pageId="0" pageNumber="75">5</figureCitation>
) at elevations of 500-700 m, together with
<taxonomicName class="Magnoliopsida" family="Rubiaceae" genus="Lannea" kingdom="Plantae" lsidName="Lannea coromandelica" order="Gentianales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="coromandelica">
<emphasis italics="true" pageId="0" pageNumber="75">Lannea coromandelica</emphasis>
</taxonomicName>
(Houtt.) Merr. (
<taxonomicName class="Magnoliopsida" family="Anacardiaceae" genus="Lannea" kingdom="Plantae" lsidName="" order="Sapindales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="family">Anacardiaceae</taxonomicName>
),
<emphasis italics="true" pageId="0" pageNumber="75">Adina cordifolia</emphasis>
(Roxb.) Brandis (
<taxonomicName class="Magnoliopsida" family="Rubiaceae" genus="Lannea" kingdom="Plantae" lsidName="" order="Gentianales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="family">Rubiaceae</taxonomicName>
),
<taxonomicName class="Magnoliopsida" family="Fabaceae" genus="Bauhinia" kingdom="Plantae" lsidName="Bauhinia brachycarpa" order="Fabales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="brachycarpa">
<emphasis italics="true" pageId="0" pageNumber="75">Bauhinia brachycarpa</emphasis>
</taxonomicName>
Wall. ex Benth. (
<taxonomicName class="Magnoliopsida" family="Fabaceae" genus="Bauhinia" kingdom="Plantae" lsidName="" order="Fabales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="family">Fabaceae</taxonomicName>
),
<taxonomicName class="Magnoliopsida" family="Fabaceae" genus="Tephrosia" kingdom="Plantae" lsidName="Tephrosia purpurea" order="Fabales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="purpurea">
<emphasis italics="true" pageId="0" pageNumber="75">Tephrosia purpurea</emphasis>
</taxonomicName>
(L.) Pers. (
<taxonomicName class="Magnoliopsida" family="Fabaceae" genus="Tephrosia" kingdom="Plantae" lsidName="" order="Fabales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="family">Fabaceae</taxonomicName>
),
<taxonomicName class="Magnoliopsida" family="Lythraceae" genus="Woodfordia" kingdom="Plantae" lsidName="Woodfordia fruticosa" order="Myrtales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="fruticosa">
<emphasis italics="true" pageId="0" pageNumber="75">Woodfordia fruticosa</emphasis>
</taxonomicName>
(L.) Kurz (
<taxonomicName class="Magnoliopsida" family="Lythraceae" genus="Woodfordia" kingdom="Plantae" lsidName="" order="Myrtales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="family">Lythraceae</taxonomicName>
),
<taxonomicName class="Magnoliopsida" family="Malvaceae" genus="Waltheria" kingdom="Plantae" lsidName="Waltheria indica" order="Malvales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="indica">
<emphasis italics="true" pageId="0" pageNumber="75">Waltheria indica</emphasis>
</taxonomicName>
L. (
<taxonomicName class="Magnoliopsida" family="Malvaceae" genus="Waltheria" kingdom="Plantae" lsidName="" order="Malvales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="family">Malvaceae</taxonomicName>
),
<taxonomicName class="Magnoliopsida" family="Oleaceae" genus="Jasminium" kingdom="Plantae" lsidName="Jasminium mesnyi" order="Lamiales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="mesnyi">
<emphasis italics="true" pageId="0" pageNumber="75">Jasminium mesnyi</emphasis>
</taxonomicName>
Hance (
<taxonomicName authorityName="B.C.J.Dumortier" authorityYear="1829" class="Magnoliopsida" family="Oleaceae" genus="Jasminium" kingdom="Plantae" lsidName="" order="Lamiales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="family">Oleaceae</taxonomicName>
),
<taxonomicName class="Magnoliopsida" family="Anacardiaceae" genus="Searsia" kingdom="Plantae" lsidName="Searsia paniculata" order="Sapindales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="paniculata">
<emphasis italics="true" pageId="0" pageNumber="75">Searsia paniculata</emphasis>
</taxonomicName>
(Wall. ex G. Don) Moffett (
<taxonomicName class="Magnoliopsida" family="Anacardiaceae" genus="Searsia" kingdom="Plantae" lsidName="" order="Sapindales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="family">Anacardiaceae</taxonomicName>
),
<taxonomicName class="Liliopsida" family="Poaceae" genus="Heteropogon" kingdom="Plantae" lsidName="Heteropogon contortus" order="Poales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="contortus">
<emphasis italics="true" pageId="0" pageNumber="75">Heteropogon contortus</emphasis>
</taxonomicName>
(L.) P. Beauv. ex Roem. &amp; Schult. (
<taxonomicName class="Liliopsida" family="Poaceae" genus="Heteropogon" kingdom="Plantae" lsidName="" order="Poales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="family">Poaceae</taxonomicName>
), and others.
</paragraph>
<caption doi="10.3897/phytokeys.206.85241.figure4" httpUri="https://binary.pensoft.net/fig/735691" pageId="0" pageNumber="75" start="Figure 4" startId="F4">
<paragraph pageId="0" pageNumber="75">
<emphasis bold="true" pageId="0" pageNumber="75">Figure 4.</emphasis>
South-western China, showing the known distribution (red star) of
<taxonomicName authorityName="Huan C. Wang &amp; Feng Yang" authorityYear="2022" class="Magnoliopsida" domain="Unassigned" family="Euphorbiaceae" genus="Breynia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Breynia hiemalis" order="Malpighiales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="hiemalis">
<emphasis italics="true" pageId="0" pageNumber="75">Breynia hiemalis</emphasis>
</taxonomicName>
. The blue lines represent the rivers.
</paragraph>
</caption>
<caption doi="10.3897/phytokeys.206.85241.figure5" httpUri="https://binary.pensoft.net/fig/735692" pageId="0" pageNumber="75" start="Figure 5" startId="F5">
<paragraph pageId="0" pageNumber="75">
<emphasis bold="true" pageId="0" pageNumber="75">Figure 5.</emphasis>
Habitat of
<taxonomicName authorityName="Huan C. Wang &amp; Feng Yang" authorityYear="2022" class="Magnoliopsida" domain="Unassigned" family="Euphorbiaceae" genus="Breynia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Breynia hiemalis" order="Malpighiales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="hiemalis">
<emphasis italics="true" pageId="0" pageNumber="75">Breynia hiemalis</emphasis>
</taxonomicName>
<emphasis bold="true" pageId="0" pageNumber="75">A</emphasis>
distant view of the type locality
<emphasis bold="true" pageId="0" pageNumber="75">B</emphasis>
nearby view.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="75" type="materials_examined">
<paragraph pageId="0" pageNumber="75">Additional specimens examined</paragraph>
<paragraph pageId="0" pageNumber="75">
<emphasis bold="true" pageId="0" pageNumber="75">
(
<emphasis italics="true" pageId="0" pageNumber="75">
<typeStatus>Paratypes</typeStatus>
</emphasis>
).
<materialsCitation collectingDate="2015-12-17" collectorName="H. C. Wang" country="China" county="Yuanjiang County" location="Pupiao" specimenCount="1" stateProvince="Yunnan">
<collectingCountry name="China">China</collectingCountry>
.
<collectingRegion country="China" name="Yunnan">Yunnan</collectingRegion>
:
<collectingCounty>Yuanjiang County</collectingCounty>
,
<location LSID="urn:lsid:plazi:treatment:931AEDC0724056BEBE43BB595B220C46:4A1688FC051D3340559786ABABFEAA91" country="China" county="Yuanjiang County" name="Pupiao" stateProvince="Yunnan">Pupiao</location>
,
<collectingDate value="2015-12-17">17 Dec. 2015</collectingDate>
,
<emphasis italics="true" pageId="0" pageNumber="75">
<collectorName>H. C. Wang</collectorName>
et al. YJ736
</emphasis>
(YUKU)
</materialsCitation>
</emphasis>
.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="75" type="taxonomic notes">
<paragraph pageId="0" pageNumber="75">Taxonomic notes.</paragraph>
<paragraph pageId="0" pageNumber="75">
According to
<bibRefCitation DOI="https://doi.org/10.3767/000651914X684484" author="Van Welzen, PC" journalOrPublisher="Blumea" pageId="0" pageNumber="75" pagination="77 - 94" refId="B29" refString="Van Welzen, PC, Pruesapan, K, Telford, IRH, Esser, HJ, Bruhl, JJ, 2014. Phylogenetic reconstruction prompts taxonomic changes in Sauropus, Synostemon and Breynia (Phyllanthaceae tribe Phyllantheae). Blumea 59 (2): 77 - 94, DOI: https://doi.org/10.3767/000651914X684484" title="Phylogenetic reconstruction prompts taxonomic changes in Sauropus, Synostemon and Breynia (Phyllanthaceae tribe Phyllantheae)." url="https://doi.org/10.3767/000651914X684484" volume="59" year="2014">Van Welzen et al. (2014)</bibRefCitation>
and
<bibRefCitation DOI="https://doi.org/10.11646/phytotaxa.540.1.1" author="Bouman, RW" journalOrPublisher="Phytotaxa" pageId="0" pageNumber="75" pagination="001 - 100" refId="B4" refString="Bouman, RW, Kessler, PJA, Telford, IRH, Bruhl, JJ, Strijk, JS, Saunders, RMK, Esser, H-J, Falcon-Hidalgo, B, Van Welzen, PC, 2022. A revised phylogenetic classification of tribe Phyllantheae (Phyllanthaceae). Phytotaxa 540 (1): 001 - 100, DOI: https://doi.org/10.11646/phytotaxa.540.1.1" title="A revised phylogenetic classification of tribe Phyllantheae (Phyllanthaceae)." url="https://doi.org/10.11646/phytotaxa.540.1.1" volume="540" year="2022">Bouman et al. (2022)</bibRefCitation>
,
<taxonomicName genus="B." lsidName="B. hiemalis" pageId="0" pageNumber="75" rank="species" species="hiemalis">
<emphasis italics="true" pageId="0" pageNumber="75">B. hiemalis</emphasis>
</taxonomicName>
should be assigned to sect.
<taxonomicName class="Magnoliopsida" domain="Unassigned" family="Euphorbiaceae" genus="Breynia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Breynia" order="Malpighiales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="section" section="Cryptogynium">Breynia Cryptogynium</taxonomicName>
because of its horizontal anthers (the androphore splits apically into three horizontal arms with the anthers hanging underneath) and ovary with a rim. Prior to the present study, only five species of sect.
<taxonomicName class="Magnoliopsida" domain="Unassigned" family="Euphorbiaceae" genus="Breynia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Breynia" order="Malpighiales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="section" section="Cryptogynium">Breynia Cryptogynium</taxonomicName>
were recorded in China, namely
<taxonomicName genus="B." lsidName="B. compressa" pageId="0" pageNumber="75" rank="species" species="compressa">
<emphasis italics="true" pageId="0" pageNumber="75">B. compressa</emphasis>
</taxonomicName>
(
<normalizedToken originalValue="Müll">Muell</normalizedToken>
. Arg.) Chakrab. &amp; N. P. Balakr. (a member of the
<taxonomicName genus="B." lsidName="B. quadrangularis" pageId="0" pageNumber="75" rank="species" species="quadrangularis">
<emphasis italics="true" pageId="0" pageNumber="75">B. quadrangularis</emphasis>
</taxonomicName>
(Willd.) Chakrab. &amp; N. P. Balakr. complex which was recognized as a distinct species by
<bibRefCitation author="Chakrabarty, T" journalOrPublisher="Journal of Economic and Taxonomic Botany" pageId="0" pageNumber="75" pagination="415 - 419" refId="B5" refString="Chakrabarty, T, Balakrishnan, NP, 2015. Reinstatement of four taxa synonymized under Breynia quadrangularis with proposal for a new subgenus Hemisauropus (Phyllanthaceae). Journal of Economic and Taxonomic Botany 39 (3-4): 415 - 419" title="Reinstatement of four taxa synonymized under Breynia quadrangularis with proposal for a new subgenus Hemisauropus (Phyllanthaceae)." volume="39" year="2015">Chakrabarty and Balakrishnan (2015)</bibRefCitation>
),
<taxonomicName genus="B." lsidName="B. delavayi" pageId="0" pageNumber="75" rank="species" species="delavayi">
<emphasis italics="true" pageId="0" pageNumber="75">B. delavayi</emphasis>
</taxonomicName>
(Croizat) Welzen et Pruesapan,
<taxonomicName genus="B." lsidName="B. pierrei" pageId="0" pageNumber="75" rank="species" species="pierrei">
<emphasis italics="true" pageId="0" pageNumber="75">B. pierrei</emphasis>
</taxonomicName>
(Beille) Welzen et Pruesapan,
<taxonomicName genus="B." lsidName="B. similis" pageId="0" pageNumber="75" rank="species" species="similis">
<emphasis italics="true" pageId="0" pageNumber="75">B. similis</emphasis>
</taxonomicName>
(Craib) Welzen et Pruesapan and
<taxonomicName genus="B." lsidName="B. tsiangii" pageId="0" pageNumber="75" rank="species" species="tsiangii">
<emphasis italics="true" pageId="0" pageNumber="75">B. tsiangii</emphasis>
</taxonomicName>
(P. T. Li) Welzen et Pruesapan (
<bibRefCitation author="Li, BT" journalOrPublisher="Springer, Tokyo" pageId="0" pageNumber="75" refId="B16" refString="Li, BT, Gilbert, MG, 2008. Sauropus Blume. Flora of China, vol. 11. Science Press, Beijing &amp; Missouri Botanical Garden Press, St. Louis, Missouri, USA, 202-207." title="Sauropus Blume. Flora of China, vol. 11. Science Press, Beijing &amp; Missouri Botanical Garden Press, St. Louis, Missouri, USA, 202 - 207." year="2008">Li and Gilbert 2008</bibRefCitation>
;
<bibRefCitation DOI="https://doi.org/10.3767/000651914X684484" author="Van Welzen, PC" journalOrPublisher="Blumea" pageId="0" pageNumber="75" pagination="77 - 94" refId="B29" refString="Van Welzen, PC, Pruesapan, K, Telford, IRH, Esser, HJ, Bruhl, JJ, 2014. Phylogenetic reconstruction prompts taxonomic changes in Sauropus, Synostemon and Breynia (Phyllanthaceae tribe Phyllantheae). Blumea 59 (2): 77 - 94, DOI: https://doi.org/10.3767/000651914X684484" title="Phylogenetic reconstruction prompts taxonomic changes in Sauropus, Synostemon and Breynia (Phyllanthaceae tribe Phyllantheae)." url="https://doi.org/10.3767/000651914X684484" volume="59" year="2014">Van Welzen et al. 2014</bibRefCitation>
;
<bibRefCitation author="Chakrabarty, T" journalOrPublisher="Journal of Economic and Taxonomic Botany" pageId="0" pageNumber="75" pagination="415 - 419" refId="B5" refString="Chakrabarty, T, Balakrishnan, NP, 2015. Reinstatement of four taxa synonymized under Breynia quadrangularis with proposal for a new subgenus Hemisauropus (Phyllanthaceae). Journal of Economic and Taxonomic Botany 39 (3-4): 415 - 419" title="Reinstatement of four taxa synonymized under Breynia quadrangularis with proposal for a new subgenus Hemisauropus (Phyllanthaceae)." volume="39" year="2015">Chakrabarty and Balakrishnan 2015</bibRefCitation>
).
<taxonomicName authorityName="Huan C. Wang &amp; Feng Yang" authorityYear="2022" class="Magnoliopsida" domain="Unassigned" family="Euphorbiaceae" genus="Breynia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Breynia hiemalis" order="Malpighiales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="hiemalis">
<emphasis italics="true" pageId="0" pageNumber="75">Breynia hiemalis</emphasis>
</taxonomicName>
shows some resemblance to
<taxonomicName genus="B." lsidName="B. compressa" pageId="0" pageNumber="75" rank="species" species="compressa">
<emphasis italics="true" pageId="0" pageNumber="75">B. compressa</emphasis>
</taxonomicName>
and
<taxonomicName genus="B." lsidName="B. delavayi" pageId="0" pageNumber="75" rank="species" species="delavayi">
<emphasis italics="true" pageId="0" pageNumber="75">B. delavayi</emphasis>
</taxonomicName>
in its dwarf habit and axillary inflorescences. However,
<taxonomicName genus="B." lsidName="B. hiemalis" pageId="0" pageNumber="75" rank="species" species="hiemalis">
<emphasis italics="true" pageId="0" pageNumber="75">B. hiemalis</emphasis>
</taxonomicName>
can be distinguished from
<taxonomicName genus="B." lsidName="B. compressa" pageId="0" pageNumber="75" rank="species" species="compressa">
<emphasis italics="true" pageId="0" pageNumber="75">B. compressa</emphasis>
</taxonomicName>
by several characters, namely stems more or less procumbent to ascending (vs. erect or arching in
<taxonomicName genus="B." lsidName="B. compressa" pageId="0" pageNumber="75" rank="species" species="compressa">
<emphasis italics="true" pageId="0" pageNumber="75">B. compressa</emphasis>
</taxonomicName>
), calyx of the staminate flower shallowly plate-like (vs. star-shaped), lobes broadly obovate (vs. suborbicular or squarish), apex obtuse or retuse (vs. emarginate-truncate to deeply bilobulate) (Fig.
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Breynia hiemalis (A, D), B. compressa (B, E), B. granulosa (C), B. delavayi (F). A-C pistillate flowers D-F staminate flowers." figureDoi="10.3897/phytokeys.206.85241.figure6" httpUri="https://binary.pensoft.net/fig/735693" pageId="0" pageNumber="75">6</figureCitation>
: D, E), ovary rim erose (vs. retuse) (Fig.
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Breynia hiemalis (A, D), B. compressa (B, E), B. granulosa (C), B. delavayi (F). A-C pistillate flowers D-F staminate flowers." figureDoi="10.3897/phytokeys.206.85241.figure6" httpUri="https://binary.pensoft.net/fig/735693" pageId="0" pageNumber="75">6</figureCitation>
: A, B), capsule urceolate (vs. ovoid), with raised and lobed apical rim (vs. with low and smooth apical rim). Additionally,
<taxonomicName genus="B." lsidName="B. hiemalis" pageId="0" pageNumber="75" rank="species" species="hiemalis">
<emphasis italics="true" pageId="0" pageNumber="75">B. hiemalis</emphasis>
</taxonomicName>
flowers in winter (from December to January), whereas
<taxonomicName genus="B." lsidName="B. compressa" pageId="0" pageNumber="75" rank="species" species="compressa">
<emphasis italics="true" pageId="0" pageNumber="75">B. compressa</emphasis>
</taxonomicName>
flowers from summer to autumn (from April to October).
<taxonomicName authorityName="Huan C. Wang &amp; Feng Yang" authorityYear="2022" class="Magnoliopsida" domain="Unassigned" family="Euphorbiaceae" genus="Breynia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Breynia hiemalis" order="Malpighiales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="hiemalis">
<emphasis italics="true" pageId="0" pageNumber="75">Breynia hiemalis</emphasis>
</taxonomicName>
differs strikingly from
<taxonomicName genus="B." lsidName="B. delavayi" pageId="0" pageNumber="75" rank="species" species="delavayi">
<emphasis italics="true" pageId="0" pageNumber="75">B. delavayi</emphasis>
</taxonomicName>
in its obscure reticulate veins (vs. reticulate veins elevated on both surfaces) and calyx of the staminate flower shallowly plate-like (vs. star-shaped) (Fig.
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Breynia hiemalis (A, D), B. compressa (B, E), B. granulosa (C), B. delavayi (F). A-C pistillate flowers D-F staminate flowers." figureDoi="10.3897/phytokeys.206.85241.figure6" httpUri="https://binary.pensoft.net/fig/735693" pageId="0" pageNumber="75">6</figureCitation>
: D, F).
</paragraph>
<caption doi="10.3897/phytokeys.206.85241.figure6" httpUri="https://binary.pensoft.net/fig/735693" pageId="0" pageNumber="75" start="Figure 6" startId="F6">
<paragraph pageId="0" pageNumber="75">
<emphasis bold="true" pageId="0" pageNumber="75">Figure 6.</emphasis>
<taxonomicName authorityName="Huan C. Wang &amp; Feng Yang" authorityYear="2022" class="Magnoliopsida" domain="Unassigned" family="Euphorbiaceae" genus="Breynia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Breynia hiemalis" order="Malpighiales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="hiemalis">
<emphasis italics="true" pageId="0" pageNumber="75">Breynia hiemalis</emphasis>
</taxonomicName>
(
<emphasis bold="true" pageId="0" pageNumber="75">A, D</emphasis>
),
<taxonomicName genus="B." lsidName="B. compressa" pageId="0" pageNumber="75" rank="species" species="compressa">
<emphasis italics="true" pageId="0" pageNumber="75">B. compressa</emphasis>
</taxonomicName>
(
<emphasis bold="true" pageId="0" pageNumber="75">B, E</emphasis>
),
<taxonomicName genus="B." lsidName="B. granulosa" pageId="0" pageNumber="75" rank="species" species="granulosa">
<emphasis italics="true" pageId="0" pageNumber="75">B. granulosa</emphasis>
</taxonomicName>
(
<emphasis bold="true" pageId="0" pageNumber="75">C</emphasis>
),
<taxonomicName genus="B." lsidName="B. delavayi" pageId="0" pageNumber="75" rank="species" species="delavayi">
<emphasis italics="true" pageId="0" pageNumber="75">B. delavayi</emphasis>
</taxonomicName>
(
<emphasis bold="true" pageId="0" pageNumber="75">F</emphasis>
).
<emphasis bold="true" pageId="0" pageNumber="75">A-C</emphasis>
pistillate flowers
<emphasis bold="true" pageId="0" pageNumber="75">D-F</emphasis>
staminate flowers.
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="75">
Of the species of
<taxonomicName authorityName="Desor in Agassiz &amp; Desor" authorityYear="1847" class="Magnoliopsida" domain="Unassigned" family="Euphorbiaceae" genus="Breynia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Breynia" order="Malpighiales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="75">Breynia</emphasis>
</taxonomicName>
found in south-east Asia,
<taxonomicName genus="B." lsidName="B. hiemalis" pageId="0" pageNumber="75" rank="species" species="hiemalis">
<emphasis italics="true" pageId="0" pageNumber="75">B. hiemalis</emphasis>
</taxonomicName>
is also morphologically similar to
<taxonomicName genus="B." lsidName="B. granulosa" pageId="0" pageNumber="75" rank="species" species="granulosa">
<emphasis italics="true" pageId="0" pageNumber="75">B. granulosa</emphasis>
</taxonomicName>
(Airy Shaw) Welzen &amp; Pruesapan, from eastern Thailand. Nevertheless,
<taxonomicName genus="B." lsidName="B. granulosa" pageId="0" pageNumber="75" rank="species" species="granulosa">
<emphasis italics="true" pageId="0" pageNumber="75">B. granulosa</emphasis>
</taxonomicName>
differs from
<taxonomicName genus="B." lsidName="B. hiemalis" pageId="0" pageNumber="75" rank="species" species="hiemalis">
<emphasis italics="true" pageId="0" pageNumber="75">B. hiemalis</emphasis>
</taxonomicName>
in having obovate leaves (vs. broadly elliptic to orbicular, rarely slightly ovate in
<taxonomicName genus="B." lsidName="B. hiemalis" pageId="0" pageNumber="75" rank="species" species="hiemalis">
<emphasis italics="true" pageId="0" pageNumber="75">B. hiemalis</emphasis>
</taxonomicName>
), calyx of staminate flower campanulate (vs. shallowly plate-like), androphores
<normalizedToken originalValue="±">+/-</normalizedToken>
0.8 mm (vs.
<normalizedToken originalValue="±">+/-</normalizedToken>
0.2 mm) long, smaller pistillate flowers, usually 4-5 mm (vs.
<normalizedToken originalValue="±">+/-</normalizedToken>
6 mm) in diam., stigmas ascending (vs. horizontally spreading) (Fig.
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Breynia hiemalis (A, D), B. compressa (B, E), B. granulosa (C), B. delavayi (F). A-C pistillate flowers D-F staminate flowers." figureDoi="10.3897/phytokeys.206.85241.figure6" httpUri="https://binary.pensoft.net/fig/735693" pageId="0" pageNumber="75">6</figureCitation>
: A, C) and ovoid (vs. urceolate) capsules.
<taxonomicName authorityName="Huan C. Wang &amp; Feng Yang" authorityYear="2022" class="Magnoliopsida" domain="Unassigned" family="Euphorbiaceae" genus="Breynia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Breynia hiemalis" order="Malpighiales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="species" species="hiemalis">
<emphasis italics="true" pageId="0" pageNumber="75">Breynia hiemalis</emphasis>
</taxonomicName>
is also similar to
<taxonomicName genus="B." lsidName="B. poilanei" pageId="0" pageNumber="75" rank="species" species="poilanei">
<emphasis italics="true" pageId="0" pageNumber="75">B. poilanei</emphasis>
</taxonomicName>
(Beille) Welzen et Pruesapan from Vietnam, but it clearly differs from the latter by its more or less procumbent to ascending stems (vs. erect in
<taxonomicName genus="B." lsidName="B. poilanei" pageId="0" pageNumber="75" rank="species" species="poilanei">
<emphasis italics="true" pageId="0" pageNumber="75">B. poilanei</emphasis>
</taxonomicName>
), 0.1-0.2 (-0.3) m (vs. 1.5 m) tall, branches 3-8 cm (vs. 5-15 cm) long, stipules triangular-lanceolate (vs. triangular), 1.5-2.0 mm (vs. 0.5 mm) long, leaves broadly elliptic to orbicular, rarely slightly ovate (vs. ovate, rarely orbicular), capsules 4 mm (vs. up to 10 mm) wide. A key to distinguish the members of
<taxonomicName class="Magnoliopsida" domain="Unassigned" family="Euphorbiaceae" genus="Breynia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Breynia subsp. sect." order="Malpighiales" pageId="0" pageNumber="75" phylum="Tracheophyta" rank="section" section="Cryptogynium" species="poilanei" subSpecies="sect.">Breynia sect. Cryptogynium</taxonomicName>
in China is given below.
</paragraph>
</subSubSection>
</treatment>
</document>