<documentID-CLB-Dataset="56058"ID-DOI="http://dx.doi.org/10.3897/phytokeys.194.81018"ID-GBIF-Dataset="76607a4a-ed57-4955-8da7-41967ace79d9"ID-PMC="PMC9016033"ID-Pensoft-Pub="1314-2003-194-23"ID-Pensoft-UUID="65088668813055A2920DE466EF10AC22"ID-PubMed="35586320"ModsDocID="1314-2003-194-23"checkinTime="1649708652638"checkinUser="pensoft"docAuthor="Huang, Yu-Song, Nong, Shi-Yue, Li, Xing-Kang, Xie, Gao & Tong, Yi-Hua"docDate="2022"docId="75D5DB9D0C26579D9F27E754C438A255"docLanguage="en"docName="PhytoKeys 194: 23-31"docOrigin="PhytoKeys 194"docPubDate="2022-04-11"docSource="http://dx.doi.org/10.3897/phytokeys.194.81018"docTitle="Vaccinium bangliangense Y. S. Huang & Y. H. Tong 2022, sp. nov."docType="treatment"docVersion="7"id="65088668813055A2920DE466EF10AC22"lastPageNumber="23"masterDocId="65088668813055A2920DE466EF10AC22"masterDocTitle="Vaccinium bangliangense, a new species of Ericaceae from limestone areas in Guangxi, China"masterLastPageNumber="31"masterPageNumber="23"pageNumber="23"updateTime="1732940345098"updateUser="ExternalLinkService">
<mods:titleid="336BA6995892CF967B5529DA4A9D3F0F">Vaccinium bangliangense, a new species of Ericaceae from limestone areas in Guangxi, China</mods:title>
<mods:affiliationid="E8895453366DD04A33E03EDC09911FF4">Guangxi Key Laboratory of Plant Functional Phytochemicals and Sustainable Utilization, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and the Chinese Academy of Sciences, Guilin, Guangxi, 541006, China</mods:affiliation>
<mods:affiliationid="A91B0F64ED0949299132601F04A5624D">Guangxi Key Laboratory of Plant Functional Phytochemicals and Sustainable Utilization, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and the Chinese Academy of Sciences, Guilin, Guangxi, 541006, China & College of life Sciences, Guangxi Normal University, Guilin, Guangxi, 541004, China</mods:affiliation>
<mods:affiliationid="A842A1C1135420D8A1EB0F3C6D94F32F">Guangxi Key Laboratory of Plant Functional Phytochemicals and Sustainable Utilization, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and the Chinese Academy of Sciences, Guilin, Guangxi, 541006, China & College of Tourism & Landscape Architecture, Guilin University of Technology, Guilin, Guangxi, 541006, China</mods:affiliation>
<mods:affiliationid="E1F26BBDA385981D5EC9C5C0653A4A30">Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, Guangdong, 510650, China & Center of Conservation Biology, Core Botanical Gardens, Chinese Academy of Sciences, Guangzhou, Guangdong, 510650, China</mods:affiliation>
<taxonomicNameid="BADA89B931DF717DA416B8DF95F1F207"ID-CoL="98XWR"LSID="75D5DB9D-0C26-579D-9F27-E754C438A255"authority="Y. S. Huang & Y. H. Tong"authorityName="Y. S. Huang & Y. H. Tong"authorityYear="2022"class="Magnoliopsida"family="Ericaceae"genus="Vaccinium"higherTaxonomySource="CoL"kingdom="Plantae"lsidName="Vaccinium bangliangense"order="Ericales"pageId="0"pageNumber="23"phylum="Tracheophyta"rank="species"species="bangliangense"status="sp. nov.">Vaccinium bangliangense Y.S. Huang & Y.H. Tong</taxonomicName>
<figureCitationid="1286C0F481B1BDB6A6D00A7D0F974A58"captionStart="Figure 1"captionStartId="F1"captionText="Figure 1. Vaccinium bangliangense A habitat B habit C young branch, showing the leaves with a sparsely villous margin D fruiting branch E flowering branch with tinged reddish flowers F inflorescence borne on leafless old stem with yellowish-green flowers G flower (lateral view) H flower (vertical view) I flower bud J, K flowers with opened corolla L flower with corolla and stamens removed M bracteole N transection of ovary O calyx tube and disc P androecium and adaxial (left), lateral (middle) and abaxial (right) view of a stamen Q infructescence R seeds. Scale bars: 5 mm (G-I, P, Q); 1 mm (M-O, R)."figureDoi="10.3897/phytokeys.194.81018.figure1"httpUri="https://binary.pensoft.net/fig/671064"pageId="0"pageNumber="23">Figs 1</figureCitation>
<figureCitationid="467ED14FC32BD4DF7E90B59C6B82CC01"captionStart="Figure 2"captionStartId="F2"captionText="Figure 2. A-C Vaccinium bangliangense A flowering branch with tinged reddish flowers B flowering branch with yellowish-green flowers C fruiting branch D-F V. pseudotonkinense D flowering branch with opened flower E flowering branch with unopened flower F fruiting branch G-I V. sciaphilum G flowering branch H leafy branch I fruiting branch. All by Yi-Hua Tong, except G by Xin-Xin Zhu."figureDoi="10.3897/phytokeys.194.81018.figure2"httpUri="https://binary.pensoft.net/fig/671065"pageId="0"pageNumber="23">, 2A-C</figureCitation>
<figureCitationid="AB59791AD636E4796CA8C896512DE3D9"captionStart="Figure 3"captionStartId="F3"captionText="Figure 3. A, B Vaccinium bangliangense A basal gland B calyx, arrows showing apical glands C, D V. pseudotonkinense C basal gland D calyx, showing lobes with a ciliate and glandular margin E, F V. sciaphilum E basal gland F calyx. Scale bars: 2 mm."figureDoi="10.3897/phytokeys.194.81018.figure3"httpUri="https://binary.pensoft.net/fig/671066"pageId="0"pageNumber="23">, 3A, B</figureCitation>
<figureCitationid="43A0DC7671765E8669B78CD44B31D1FC"captionStart="Figure 4"captionStartId="F4"captionText="Figure 4. Vaccinium bangliangense A SEM micrograph of seed B elongated cells of testa. Scale bars: 100 μm."figureDoi="10.3897/phytokeys.194.81018.figure4"httpUri="https://binary.pensoft.net/fig/671067"pageId="0"pageNumber="23">, 4</figureCitation>
<taxonomicNameid="BF5E9946742895E0F7DA3114F52EDA52"authorityName="Y. S. Huang & Y. H. Tong"authorityYear="2022"class="Magnoliopsida"family="Ericaceae"genus="Vaccinium"higherTaxonomySource="CoL"kingdom="Plantae"lsidName="Vaccinium bangliangense"order="Ericales"pageId="0"pageNumber="23"phylum="Tracheophyta"rank="species"species="bangliangense">
C.Y. Wu in having small and dense obovate leaf blades with a retuse apex, hairy young branches and calyx and campanulate corollas, but can be distinguished from the former by basal glands on leaf blade margin at 0.3-0.8 mm (vs. 2.6-4 mm, Fig.
<figureCitationid="5C03B76E11AC983BE89FCF97D2918DE5"captionStart="Figure 3"captionStartId="F3"captionText="Figure 3. A, B Vaccinium bangliangense A basal gland B calyx, arrows showing apical glands C, D V. pseudotonkinense C basal gland D calyx, showing lobes with a ciliate and glandular margin E, F V. sciaphilum E basal gland F calyx. Scale bars: 2 mm."figureDoi="10.3897/phytokeys.194.81018.figure3"httpUri="https://binary.pensoft.net/fig/671066"pageId="0"pageNumber="23">3C</figureCitation>
<figureCitationid="A841C17F5A889774C810030828F08225"captionStart="Figure 2"captionStartId="F2"captionText="Figure 2. A-C Vaccinium bangliangense A flowering branch with tinged reddish flowers B flowering branch with yellowish-green flowers C fruiting branch D-F V. pseudotonkinense D flowering branch with opened flower E flowering branch with unopened flower F fruiting branch G-I V. sciaphilum G flowering branch H leafy branch I fruiting branch. All by Yi-Hua Tong, except G by Xin-Xin Zhu."figureDoi="10.3897/phytokeys.194.81018.figure2"httpUri="https://binary.pensoft.net/fig/671065"pageId="0"pageNumber="23">2E</figureCitation>
<figureCitationid="7AC4C8EFC63BDF97A6E57DA453673C17"captionStart="Figure 3"captionStartId="F3"captionText="Figure 3. A, B Vaccinium bangliangense A basal gland B calyx, arrows showing apical glands C, D V. pseudotonkinense C basal gland D calyx, showing lobes with a ciliate and glandular margin E, F V. sciaphilum E basal gland F calyx. Scale bars: 2 mm."figureDoi="10.3897/phytokeys.194.81018.figure3"httpUri="https://binary.pensoft.net/fig/671066"pageId="0"pageNumber="23">3D</figureCitation>
<figureCitationid="6995BD473C2FABF992AFCCCFEC3357E6"captionStart="Figure 2"captionStartId="F2"captionText="Figure 2. A-C Vaccinium bangliangense A flowering branch with tinged reddish flowers B flowering branch with yellowish-green flowers C fruiting branch D-F V. pseudotonkinense D flowering branch with opened flower E flowering branch with unopened flower F fruiting branch G-I V. sciaphilum G flowering branch H leafy branch I fruiting branch. All by Yi-Hua Tong, except G by Xin-Xin Zhu."figureDoi="10.3897/phytokeys.194.81018.figure2"httpUri="https://binary.pensoft.net/fig/671065"pageId="0"pageNumber="23">2G</figureCitation>
<figureCitationid="2CECABE59987690B3DA58A874ED4251E"captionStart="Figure 2"captionStartId="F2"captionText="Figure 2. A-C Vaccinium bangliangense A flowering branch with tinged reddish flowers B flowering branch with yellowish-green flowers C fruiting branch D-F V. pseudotonkinense D flowering branch with opened flower E flowering branch with unopened flower F fruiting branch G-I V. sciaphilum G flowering branch H leafy branch I fruiting branch. All by Yi-Hua Tong, except G by Xin-Xin Zhu."figureDoi="10.3897/phytokeys.194.81018.figure2"httpUri="https://binary.pensoft.net/fig/671065"pageId="0"pageNumber="23">2G</figureCitation>
<figureCitationid="B12D3DD4EC441A818D9D484B2D5C4D55"captionStart="Figure 3"captionStartId="F3"captionText="Figure 3. A, B Vaccinium bangliangense A basal gland B calyx, arrows showing apical glands C, D V. pseudotonkinense C basal gland D calyx, showing lobes with a ciliate and glandular margin E, F V. sciaphilum E basal gland F calyx. Scale bars: 2 mm."figureDoi="10.3897/phytokeys.194.81018.figure3"httpUri="https://binary.pensoft.net/fig/671066"pageId="0"pageNumber="23">3F</figureCitation>
<figureCitationid="13F9BA2C3ACB7AD82158FBC58675C798"captionStart="Figure 2"captionStartId="F2"captionText="Figure 2. A-C Vaccinium bangliangense A flowering branch with tinged reddish flowers B flowering branch with yellowish-green flowers C fruiting branch D-F V. pseudotonkinense D flowering branch with opened flower E flowering branch with unopened flower F fruiting branch G-I V. sciaphilum G flowering branch H leafy branch I fruiting branch. All by Yi-Hua Tong, except G by Xin-Xin Zhu."figureDoi="10.3897/phytokeys.194.81018.figure2"httpUri="https://binary.pensoft.net/fig/671065"pageId="0"pageNumber="23">2I</figureCitation>
<tableCitationid="7D64F6D5C589C2C28B4EDACAB515439D"captionStart="Table 1"captionStartId="T1"captionText="Table 1. A morphological comparison of key characters of Vaccinium bangliangense, V. sciaphilum and V. pseudotonkinense."httpUri="http://table.plazi.org/id/B4EEDE143579FF3C5A85597BBBBBB658"pageId="0"pageNumber="23"tableUuid="B4EEDE143579FF3C5A85597BBBBBB658">1</tableCitation>
<taxonomicNameid="87BA60E07B9A34FE39816E932A76A40C"authorityName="Y. S. Huang & Y. H. Tong"authorityYear="2022"class="Magnoliopsida"family="Ericaceae"genus="Vaccinium"higherTaxonomySource="CoL"kingdom="Plantae"lsidName="Vaccinium bangliangense"order="Ericales"pageId="0"pageNumber="23"phylum="Tracheophyta"rank="species"species="bangliangense">
<tdid="6993BA966FD1601249D54BC71F64C543"colspan="1"pageId="0"pageNumber="23"rowspan="1">2-flowered or solitary, peduncle very short or 3-5 mm long</td>
<tdid="2827C6532898DE209A421601B285D3B0"colspan="1"pageId="0"pageNumber="23"rowspan="1">solitary, sometimes 2-flowered, peduncle very short</td>
<tdid="4E6D7080E830D8E531FF0090F676B222"colspan="1"pageId="0"pageNumber="23"rowspan="1">solitary, sometimes 2-flowered, peduncle very short</td>
<tdid="66A45BC34AD1F5E03B8EA78A5A0126D2"colspan="1"pageId="0"pageNumber="23"rowspan="1">glabrous or sparsely pubescent abaxially, margin ciliolate, apex with a gland</td>
<tdid="0A71B151B6334E7BED9F0E63FA5B694A"colspan="1"pageId="0"pageNumber="23"rowspan="1">glabrous or sparsely pubescent abaxially, margin ciliate and glandular, apex without a gland</td>
<tdid="F4DC8B015E6EAF82C2FBE86569C0C5D7"colspan="1"pageId="0"pageNumber="23"rowspan="1">densely hispid abaxially, margin ciliate, apex without a gland</td>
<taxonomicNameid="3F3F16DC0BD8B0D9C1B85E99F8635389"authorityName="Y. S. Huang & Y. H. Tong"authorityYear="2022"class="Magnoliopsida"family="Ericaceae"genus="Vaccinium"higherTaxonomySource="CoL"kingdom="Plantae"lsidName="Vaccinium bangliangense"order="Ericales"pageId="0"pageNumber="23"phylum="Tracheophyta"rank="species"species="bangliangense">
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<taxonomicNameid="B3D79D7876CA4301B8196AB9F302651C"authorityName="Y. S. Huang & Y. H. Tong"authorityYear="2022"class="Magnoliopsida"family="Ericaceae"genus="Vaccinium"higherTaxonomySource="CoL"kingdom="Plantae"lsidName="Vaccinium bangliangense"order="Ericales"pageId="0"pageNumber="23"phylum="Tracheophyta"rank="species"species="bangliangense">
Small evergreen shrubs, 10-20 cm tall, usually epilithic, sometimes epiphytic on tree trunks. Stem ascending, with long creeping rhizomes. Roots with bead-like swellings 1-3 cm in diam. Young branches brownish-red, grey when older, densely white villous, glabrescent. Leaves dense; petiole 1-2 mm long, red, adaxially sparsely pubescent, glabrescent, abaxially glabrous; blades obovate or broadly obovate, 1-1.7
0.6-1.2 cm, leathery, adaxially near margin sparsely villous when young, glabrescent, abaxially sparsely brown glandular hispidulous, base cuneate, basal gland 1 per side, at 0.3-0.8 mm distance from petiole, margin entire, revolute, apex obtuse, slightly retuse; mid-vein impressed adaxially, raised abaxially; lateral veins 2-4 pairs, flat and inconspicuous or impressed adaxially, raised abaxially. Inflorescence shortly racemose, 2-flowered or solitary, axillary or borne on leafless old stems; peduncle very short or 3-5 mm long, base with several bracts, glabrous or sparsely white villous on distal part; bracts ovate, 0.5-1 mm long, ca. 0.5 mm wide, margin ciliolate, apex glandular; pedicel 5-7 mm long, glabrous, thickening towards the apex, articulate with the calyx tube; bracteoles 2, adnate to 1-3 mm above the pedicle base, triangular-ovate, ca. 1
1.5 mm, both surfaces glabrous or sparsely pubescent abaxially, margin ciliolate, apex glandular; corolla yellowish-green or tinged reddish, broadly campanulate, ca. 9
5 mm, both surfaces glabrous, 5-lobed; lobes triangular-ovate, apical part reflexed, apex acute, pubescent abaxially, glabrous adaxially; stamens 10, 5.5-6 mm long; filaments white, tinged reddish in reddish flowers, flat, incurved, ca. 2 mm long, densely villous; anthers yellow, 4-5 mm long, thecae ca. 1.5 mm long, tubules 3-3.5 mm long, with 2 spurs at the base abaxially, spurs ca. 1.3 mm long, interlocked (that is: the spurs on antesepalous stamens extending laterally outside of antepetalous anthers and strongly overlapping with spurs of next antesepalous stamens, those on antepetalous anthers strongly hooked outward below spurs of antesepalous stamens); disc yellowish, annular, glabrous; style greenish, tinged reddish in reddish flowers, cylindrical, ca. 6.5 mm long, glabrous, stigma truncate; ovary pseudo-10-locular, each locule with several ovules. Berry globose, ca. 8 mm in diam., glabrous, greenish when young, white when mature, fruiting calyx persistent, narrowly triangular-ovate and slightly inflexed; seeds reniform, ventrally compressed, 1.5-2 mm long, testa brownish, cells elongated, with thickened anticlinal walls.
<taxonomicNameid="53890608B8C9B97A6BD3A7834BE56AFC"authorityName="Y. S. Huang & Y. H. Tong"authorityYear="2022"class="Magnoliopsida"family="Ericaceae"genus="Vaccinium"higherTaxonomySource="CoL"kingdom="Plantae"lsidName="Vaccinium bangliangense"order="Ericales"pageId="0"pageNumber="23"phylum="Tracheophyta"rank="species"species="bangliangense">
<taxonomicNameid="EBD1B952DC8FD4E736123977E9E7C641"authorityName="Y. S. Huang & Y. H. Tong"authorityYear="2022"class="Magnoliopsida"family="Ericaceae"genus="Vaccinium"higherTaxonomySource="CoL"kingdom="Plantae"lsidName="Vaccinium bangliangense"order="Ericales"pageId="0"pageNumber="23"phylum="Tracheophyta"rank="species"species="bangliangense">
<taxonomicNameid="E0BADABD184723C309228D49C13ABF78"authorityName="Y. S. Huang & Y. H. Tong"authorityYear="2022"class="Magnoliopsida"family="Ericaceae"genus="Vaccinium"higherTaxonomySource="CoL"kingdom="Plantae"lsidName="Vaccinium bangliangense"order="Ericales"pageId="0"pageNumber="23"phylum="Tracheophyta"rank="species"species="bangliangense">
The specific epithet is derived from the type locality, Bangliang Gibbon National Nature Reserve of Guangxi, China. The Chinese name is given as "
<taxonomicNameid="673ED381F34F18AB0CF248155F1DAC55"authorityName="Y. S. Huang & Y. H. Tong"authorityYear="2022"class="Magnoliopsida"family="Ericaceae"genus="Vaccinium"higherTaxonomySource="CoL"kingdom="Plantae"lsidName="Vaccinium bangliangense"order="Ericales"pageId="0"pageNumber="23"phylum="Tracheophyta"rank="species"species="bangliangense">
was found only in Bangliang Gibbon National Nature Reserve of Guangxi, China. It usually grows on rocks of limestone hillside or peak at an elevation from 850-900 m, sometimes on the trunks of
). The slope direction is to the south and the slope gradient is ca. 30°. The tree layer is up to 8 m tall with a canopy cover of 70% and the shrub and herb layer covers are 85% and 20%, respectively. The associated species include
<taxonomicNameid="C1C029631ED50E234A998AF6C2E6829A"class="Magnoliopsida"family="Sapotaceae"genus="Sinosideroxylon"kingdom="Plantae"lsidName="Sinosideroxylon pedunculatum subsp. var. var. pubifolium"order="Ericales"pageId="0"pageNumber="23"phylum="Tracheophyta"rank="variety"species="pedunculatum"subSpecies="var."variety="pubifolium">Sinosideroxylon pedunculatum (Hemsl.) H. Chuang var. pubifolium</taxonomicName>
<taxonomicNameid="801D4D31B01F19C1552E445CF748CF0A"authorityName="T.G.Hartley"authorityYear="1981"baseAuthorityName="Chun ex C.C.Huang"class="Magnoliopsida"family="Rutaceae"genus="Tetradium"kingdom="Plantae"lsidName="Tetradium calcicola"order="Sapindales"pageId="0"pageNumber="23"phylum="Tracheophyta"rank="species"species="calcicola">
<taxonomicNameid="CCF1348D1DC61729624B360293F676A4"authorityName="Y.L.Chen & P.K.Chou"authorityYear="1979"class="Magnoliopsida"family="Rhamnaceae"genus="Sageretia"kingdom="Plantae"lsidName="Sageretia camelliifolia"order="Rosales"pageId="0"pageNumber="23"phylum="Tracheophyta"rank="species"species="camelliifolia">
<taxonomicNameid="42B29A8F394B2B8A516D37935258649D"authorityName="Y. S. Huang & Y. H. Tong"authorityYear="2022"class="Magnoliopsida"family="Ericaceae"genus="Vaccinium"higherTaxonomySource="CoL"kingdom="Plantae"lsidName="Vaccinium bangliangense"order="Ericales"pageId="0"pageNumber="23"phylum="Tracheophyta"rank="species"species="bangliangense">
could probably be found in similar habitats of surrounding limestone areas in the future. However, wild surveys have been conducted for more than ten years in the area where the new species was found. Only two subpopulations were found in the protected region with a total of fifteen individuals and seven of these are mature. Based on the current data, its population size is very small, and the area of occupancy (AOO) is restricted. According to Guidelines for Using the IUCN Red List Categories and Criteria (
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<bibRefCitationid="028AC6119B52CCFCBE279CB263CC1E03"author="IUCN"journalOrPublisher="Journal of Guangxi Normal University: Natural Science Edition"pageId="0"pageNumber="23"refId="B7"refString="IUCN, 2012. IUCN Red List Categories and Criteria: Version 3.1. Second edition. IUCN, Gland, Switzerland and Cambridge, [iv +] 32 pp."title="IUCN Red List Categories and Criteria: Version 3.1. Second edition. IUCN, Gland, Switzerland and Cambridge, [iv +] 32 pp."year="2012">IUCN 2012</bibRefCitation>
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