identifier	taxonID	type	CVterm	format	language	title	description	additionalInformationURL	UsageTerms	rights	Owner	contributor	creator	bibliographicCitation
FBC0A9E943A65465873FA272FF742A7C.text	FBC0A9E943A65465873FA272FF742A7C.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Coptis wawushanensis Y. T. Ma, T. Zhou & Y. Xiao 2026	<div><p>Coptis wawushanensis Y. T. Ma, T. Zhou &amp; Y. Xiao sp. nov.</p><p>Figs 2, 3</p><p>Common name.</p><p>“ 瓦屋山黄连 ” (Wa Wu Shan Huang Lian).</p><p>Type.</p><p>• China. Sichuan Province. Hongya County. <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=103.15&amp;materialsCitation.latitude=29.466667" title="Search Plazi for locations around (long 103.15/lat 29.466667)">Heishan Village</a>; 1655 m a. s. l.; 29°28'N, 103°9'E; 16 April 2025; Yang Xiao &amp; Chi Zhang HS 25041601 (holotype: CDCM!) (Suppl. material 3) .</p><p>Diagnosis.</p><p>Coptis wawushanensis is morphologically similar to C. omeiensis but differs by an ovate leaf blade (vs. lanceolate to narrowly ovate), a central leaf segment 1.5–2.5 × as long as the lateral segments (vs. 3–3.5 ×), short scapes 5–8 cm long (vs. 15–27 cm), petals narrowly lanceolate (vs. linear-lanceolate), and well-developed stolons (vs. absent). It differs from its sister species C. huanjiangensis by the longer central segment relative to the lateral segments (1.5–2.5 × vs. subequal to slightly longer), linear-lanceolate sepals (vs. long-elliptic or lanceolate), narrowly lanceolate petals (vs. spatulate), and stolons present (vs. absent). It can be further distinguished from C. deltoidea by leaves deeply 6–11 - lobed with remote lobes (vs. 4–6 - lobed with lobes ± contiguous), a central leaf segment 1.5–2.5 × as long as the lateral segments (vs. only slightly longer), and linear-lanceolate sepals (vs. narrowly ovate).</p><p>Description.</p><p>Herbs perennial. Rhizomes unbranched or sparsely branched. Leaves basal, petioles 7–25 cm, glabrous; lamina 7–18 × 4–15 cm, ovate, three-segmented, margins sparsely bearing upturned spinulose hairs; central segment petiolulate, petiolule 0.3–2.5 cm long, 7–16 × 2.5–7 cm, rhombic-lanceolate, deeply 6–11 - lobed, lobes remote, ultimate lobes margin acute serrate; lateral segments sessile or with a slender petiolule, petiolule 1–6 mm long, obliquely ovate, unequally bidentate. Inflorescences cymose, monochasial or dichasial, 3–5 - flowered; scape 1 – several, erect, 5–8 cm long, glabrous, sulcate; bracts lanceolate, deeply 3 - lobed or pectinate-pinnatifid. Flowers actinomorphic, bisexual; sepals 5, 5.5–9.0 × 0.8–1.6 mm, linear-lanceolate, greenish, sparsely puberulous; petals ca. 10, 2–4 mm long, 1 / 3–1 / 2 as long as sepals, narrowly lanceolate, glabrous, apex acuminate; stamens numerous, glabrous, 1.5–3 mm long; pistils 8–12, 2–4 mm long. Follicles 6.5–10 mm long, stipitate. Seeds ca. 2 × 0.8 mm, ellipsoid, brown.</p><p>Distribution and habitat.</p><p>Several populations of this species have been found in Wawu Mountain in Meishan City and Emei Mountain in Leshan City, China. It grows in the forest at 1600–2000 m. a. s. l.</p><p>Etymology.</p><p>The specific epithet is derived from the type locality, Wawu Mountain, Sichuan.</p><p>Phenology.</p><p>The species was observed flowering in February – March and fruiting in April – May.</p><p>Conservation status.</p><p>Coptis wawushanensis is currently known only from the Wawu Mountain (Meishan City) and Emei Mountain (Leshan City) regions in Sichuan Province, China. Five discrete populations have been documented, each comprising approximately 100 individuals. Pending the collection of more comprehensive data, its conservation status is preliminarily assessed as “ Data Deficient (DD) ” according to the IUCN guidelines (IUCN Standards and Petitions Committee 2022).</p><p>Note.</p><p>An identification key to Coptis wawushanensis and its closest relatives ( C. huanjiangensis, C. omeiensis, and C. deltoidea) is provided below.</p></div>	https://treatment.plazi.org/id/FBC0A9E943A65465873FA272FF742A7C	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Pensoft via Plazi	Xiao, Yang;Zhang, Chi;Ke, Wenjia;Tang, Zhongxiang;Chen, Xin;Yan, Zhuyun;Song, Liangke;Yang, Jue;Shen, Wenzhong;Zhou, Tao;Ma, Yuntong	Xiao, Yang, Zhang, Chi, Ke, Wenjia, Tang, Zhongxiang, Chen, Xin, Yan, Zhuyun, Song, Liangke, Yang, Jue, Shen, Wenzhong, Zhou, Tao, Ma, Yuntong (2026): Coptis wawushanensis (Ranunculaceae), a new species from Sichuan, China. PhytoKeys 272: 107-119, DOI: 10.3897/phytokeys.272.162961
