<documentid="A578D92AF320E983CF02B445B8AA7E13"ID-CLB-Dataset="302302"ID-DOI="10.11646/phytotaxa.295.3.11"ID-GBIF-Dataset="0bd519aa-4a00-424b-bca6-425f2a1ae127"ID-ISSN="1179-3163"ID-Zenodo-Dep="13690019"IM.bibliography_approvedBy="felipe"IM.illustrations_approvedBy="felipe"IM.materialsCitations_approvedBy="felipe"IM.metadata_approvedBy="felipe"IM.tables_requiresApprovalFor="GgImagineBatch"IM.taxonomicNames_approvedBy="felipe"IM.treatments_approvedBy="felipe"checkinTime="1725503935565"checkinUser="felipe"docAuthor="Yang, Li-Hua, Huang, Jing-Zhong, Deng, Fang-Dong & Kang, Ming"docDate="2017"docId="03945229FFB2E71A0DF5F94DF687B45D"docLanguage="en"docName="phytotaxa.295.3.11.pdf"docOrigin="Phytotaxa 295 (3)"docSource="http://dx.doi.org/10.11646/phytotaxa.295.3.11"docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article"docStyleId="96748F8F1B6C902996E134952A3A36B9"docStyleName="Phytotaxa.2014-.journal_article"docStyleVersion="13"docTitle="Oreocharis uniflora L. H. Yang & M. Kang 2017, sp. nov."docType="treatment"docVersion="2"lastPageNumber="294"masterDocId="FFAD2A51FFB2E7190D7DFFB9F676B55C"masterDocTitle="Oreocharis uniflora, a new species of Gesneriaceae from Guangdong, China"masterLastPageNumber="296"masterPageNumber="292"pageNumber="292"updateTime="1725504607232"updateUser="ExternalLinkService"zenodo-license-figures="UNSPECIFIED"zenodo-license-treatments="UNSPECIFIED">
<taxonomicNameid="4C3D98BCFFB2E7190DF5F94DF415B253"ID-CoL="7553N"authority="L.H.Yang & M.Kang"authorityName="L. H. Yang & M. Kang"authorityYear="2017"box="[136,611,1780,1807]"class="Magnoliopsida"family="Gesneriaceae"genus="Oreocharis"kingdom="Plantae"order="Lamiales"pageId="0"pageNumber="292"phylum="Tracheophyta"rank="species"species="uniflora"status="sp. nov.">
long), 3–5-serrate calyx lobes, campanulate-tubular corolla tube, 4 stamens, and 1 disc-shaped stigma. Differing from
<taxonomicNameid="4C3D98BCFFB2E7190E2DF831F275B2C1"authorityName="Moller & Weber"baseAuthorityName="Wang"baseAuthorityYear="1975"box="[848,1027,1928,1949]"class="Magnoliopsida"family="Gesneriaceae"genus="Oreocharis"kingdom="Plantae"order="Lamiales"pageId="0"pageNumber="292"phylum="Tracheophyta"rank="species"species="lungshengensis">O. lungshengensis</taxonomicName>
by its 1-flowered cymes, 3–5-serrate calyx lobes, pale purple to reddish purple corolla, inside with longitudinally purple striations, campanulate-tubular corolla tube, 4 free anthers, and 1 disc-shaped stigma.
<collectionCodeid="ED2C7BFAFFB3E7180C5BFF7DF712B585"box="[294,356,196,217]"country="China"httpUri="http://biocol.org/urn:lsid:biocol.org:col:15606"lsid="urn:lsid:biocol.org:col:15606"name="South China Botanical Garden"pageId="1"pageNumber="293"type="Herbarium">IBSC</collectionCode>
, papery when dried, margin serrate to crenate, apex obtuse to subacute, base cordate to broadly cuneate and slightly unequal, adaxial surface densely to sparsely white villous, abaxial surface densely villous along veins; lateral veins 5–6 on each side of midrib, adaxially concave, abaxially prominent. Cymes 1–2, axillary, 1-flowered; peduncle slender,
in diameter at the mouth; limb distinctly 2-lipped, all lobes broadly oblong, apex obtuse, margin slightly premorse; adaxial lip 2-lobbed near base, lobes 7.5–8.8 ×
<taxonomicNameid="4C3D98BCFFB3E7180C7FF828F7B6B2FA"authorityName="Yang & Huang & Deng & Kang"authorityYear="2017"box="[258,448,1937,1958]"class="Magnoliopsida"family="Gesneriaceae"genus="Oreocharis"kingdom="Plantae"order="Lamiales"pageId="1"pageNumber="293"phylum="Tracheophyta"rank="species"species="uniflora"status="sp. nov.">
<taxonomicNameid="4C3D98BCFFB0E71B0C7EFA91F7B5B061"authorityName="Yang & Huang & Deng & Kang"authorityYear="2017"box="[259,451,1320,1341]"class="Magnoliopsida"family="Gesneriaceae"genus="Oreocharis"kingdom="Plantae"order="Lamiales"pageId="2"pageNumber="294"phylum="Tracheophyta"rank="species"species="uniflora"status="sp. nov.">
(A) habit, (B) adaxial leaf surface, (C) abaxial leaf surface, (D) flower in front view, (E) flower in side view, (F, G) opened corolla showing stamens, (H) pistil and calyx, (I) mature fruits before dehiscence, (J) dehisced fruits. Scale bars: B, C = 3 cm, D–J = 1 cm. Photos by Li-Hua Yang.
<figureCitationid="1306FFBAFFB0E71B0E13FA6BF5C7B0B7"box="[878,945,1490,1515]"captionStart="FIGURE 3"captionStartId="3.[136,229,991,1012]"captionTargetBox="[173,1413,301,946]"captionTargetId="figure-54@3.[158,1430,281,966]"captionTargetPageId="3"captionText="FIGURE 3. Geographic distribution of Oreocharis uniflora (triangle), O. striata (circle) and O. lungshengensis (square)."figureDoi="http://doi.org/10.5281/zenodo.13690025"httpUri="https://zenodo.org/record/13690025/files/figure.png"pageId="2"pageNumber="294">Fig 3</figureCitation>
—There are only three adjacent and small populations of
<taxonomicNameid="4C3D98BCFFB0E71B0974F9DBF2A8B327"authorityName="Yang & Huang & Deng & Kang"authorityYear="2017"box="[1033,1246,1634,1659]"class="Magnoliopsida"family="Gesneriaceae"genus="Oreocharis"kingdom="Plantae"order="Lamiales"pageId="2"pageNumber="294"phylum="Tracheophyta"rank="species"species="uniflora">
locality, with no more than 100 mature individuals in all. Based on the current information,
<taxonomicNameid="4C3D98BCFFB0E71B095EF93FF2EAB3C3"authorityName="Yang & Huang & Deng & Kang"authorityYear="2017"box="[1059,1180,1670,1695]"class="Magnoliopsida"family="Gesneriaceae"genus="Oreocharis"kingdom="Plantae"order="Lamiales"pageId="2"pageNumber="294"phylum="Tracheophyta"rank="species"species="uniflora">
should be considered as ‘Critically Endangered’ (CR): B2ab (ii, iii)+C2a(i, ii), following the IUCN categories and criteria (
<bibRefCitationid="EFAC9ECEFFB0E71B09DDF913F352B39F"author="IUCN"box="[1184,1316,1706,1731]"pageId="2"pageNumber="294"refId="ref2274"refString="IUCN (2016) Guidelines for Using the IUCN Red List Categories and Criteria. Version 12. Prepared by the Standards and Petitions Subcommittee. Available from: http: // www. iucnredlist. org / documents / RedListGuidelines. pdf. (accessed 15 April 2016)"type="book"year="2016">IUCN 2016</bibRefCitation>
<taxonomicNameid="4C3D98BCFFB0E71B0C1CF8AFF448B273"authorityName="Yang & Huang & Deng & Kang"authorityYear="2017"box="[353,574,1814,1839]"class="Magnoliopsida"family="Gesneriaceae"genus="Oreocharis"kingdom="Plantae"order="Lamiales"pageId="2"pageNumber="294"phylum="Tracheophyta"rank="species"species="uniflora">
<taxonomicNameid="4C3D98BCFFB0E71B0962F8AFF29CB273"authorityName="Moller & Weber"baseAuthorityName="Wang"baseAuthorityYear="1975"box="[1055,1258,1814,1839]"class="Magnoliopsida"family="Gesneriaceae"genus="Oreocharis"kingdom="Plantae"order="Lamiales"pageId="2"pageNumber="294"phylum="Tracheophyta"rank="species"species="lungshengensis">
<taxonomicNameid="4C3D98BCFFB0E71B0FF6F883F52FB20F"authorityName="Moller & Weber"baseAuthorityName="Wang"baseAuthorityYear="1975"box="[651,857,1850,1875]"class="Magnoliopsida"family="Gesneriaceae"genus="Oreocharis"kingdom="Plantae"order="Lamiales"pageId="2"pageNumber="294"phylum="Tracheophyta"rank="species"species="lungshengensis">
<taxonomicNameid="4C3D98BCFFB0E71B0EE4F883F260B20F"authorityName="Yang & Huang & Deng & Kang"authorityYear="2017"box="[921,1046,1850,1875]"class="Magnoliopsida"family="Gesneriaceae"genus="Oreocharis"kingdom="Plantae"order="Lamiales"pageId="2"pageNumber="294"phylum="Tracheophyta"rank="species"species="uniflora">
, we found that this new species can be clearly differentiated from both by several characters described in the diagnosis, and the detailed morphological comparison is provided in
<tableCitationid="C6BFD684FFB0E71B0CBFF83BF46CB2C7"box="[450,538,1922,1947]"captionStart="TABLE 1"captionStartId="3.[136,216,1063,1084]"captionText="TABLE 1. Morphological comparison of Oreocharis uniflora, O. striata and O. lungshengensis."pageId="2"pageNumber="294">Table 1</tableCitation>
. In fact, the morphology of
<taxonomicNameid="4C3D98BCFFB0E71B0E10F83BF59BB2C7"authorityName="Yang & Huang & Deng & Kang"authorityYear="2017"box="[877,1005,1922,1947]"class="Magnoliopsida"family="Gesneriaceae"genus="Oreocharis"kingdom="Plantae"order="Lamiales"pageId="2"pageNumber="294"phylum="Tracheophyta"rank="species"species="uniflora">
<taxonomicNameid="4C3D98BCFFB0E71B0DF5F81FF72FB2E3"authorityName="Moller & Weber"baseAuthorityName="Wang"baseAuthorityYear="1975"box="[136,345,1958,1983]"class="Magnoliopsida"family="Gesneriaceae"genus="Oreocharis"kingdom="Plantae"order="Lamiales"pageId="2"pageNumber="294"phylum="Tracheophyta"rank="species"species="lungshengensis">
, the characteristics, such as, elliptic to elliptic-ovate leaf blade, white villous pubescence, leaf base cordate to broadly cuneate and 4 stamens are more similar to
<taxonomicNameid="4C3D98BCFFB0E71B0EFEF873F224B2BF"authorityName="Moller & Weber"baseAuthorityName="Wang"baseAuthorityYear="1975"box="[899,1106,1994,2019]"class="Magnoliopsida"family="Gesneriaceae"genus="Oreocharis"kingdom="Plantae"order="Lamiales"pageId="2"pageNumber="294"phylum="Tracheophyta"rank="species"species="lungshengensis">
<taxonomicNameid="4C3D98BCFFB0E71B0C4EF7ABF7C4BD77"authorityName="Yang & Huang & Deng & Kang"authorityYear="2017"box="[307,434,2066,2091]"class="Magnoliopsida"family="Gesneriaceae"genus="Oreocharis"kingdom="Plantae"order="Lamiales"pageId="2"pageNumber="294"phylum="Tracheophyta"rank="species"species="uniflora">
<taxonomicNameid="4C3D98BCFFB0E71B0E63F7ABF598BD77"authorityName="Moller & Weber"baseAuthorityName="Wang"baseAuthorityYear="1975"box="[798,1006,2066,2091]"class="Magnoliopsida"family="Gesneriaceae"genus="Oreocharis"kingdom="Plantae"order="Lamiales"pageId="2"pageNumber="294"phylum="Tracheophyta"rank="species"species="lungshengensis">
<figureCitationid="1306FFBAFFB0E71B0E82F7ABF249BD77"box="[1023,1087,2066,2091]"captionStart="FIGURE 3"captionStartId="3.[136,229,991,1012]"captionTargetBox="[173,1413,301,946]"captionTargetId="figure-54@3.[158,1430,281,966]"captionTargetPageId="3"captionText="FIGURE 3. Geographic distribution of Oreocharis uniflora (triangle), O. striata (circle) and O. lungshengensis (square)."figureDoi="http://doi.org/10.5281/zenodo.13690025"httpUri="https://zenodo.org/record/13690025/files/figure.png"pageId="2"pageNumber="294">Fig 3</figureCitation>