{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,26]],"date-time":"2026-07-26T01:28:20Z","timestamp":1785029300957,"version":"3.55.0"},"reference-count":21,"publisher":"Public Library of Science (PLoS)","issue":"10","license":[{"start":{"date-parts":[[2024,10,16]],"date-time":"2024-10-16T00:00:00Z","timestamp":1729036800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"CT Group"},{"DOI":"10.13039\/501100015501","name":"Qu\u1ef9 \u0110\u1ed5i m\u1edbi s\u00e1ng t\u1ea1o Vingroup","doi-asserted-by":"publisher","award":["VINIF.2020.DA04"],"award-info":[{"award-number":["VINIF.2020.DA04"]}],"id":[{"id":"10.13039\/501100015501","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["www.plosone.org"],"crossmark-restriction":false},"short-container-title":["PLoS ONE"],"abstract":"<jats:p>Three new species of <jats:italic>Polycarpaea<\/jats:italic> from Vietnam, <jats:italic>Polycarpaea vanphongensis<\/jats:italic> V.T. Tran, H.T. Truong &amp; N.V. Binh, <jats:italic>Polycarpaea chungana<\/jats:italic> V.T. Tran, H.T. Truong &amp; N.V. Binh, <jats:italic>Polycarpaea phuquocensis<\/jats:italic> V.T. Tran, H.T. Truong &amp; N.V. Binh are described and illustrated based on evidence of molecular sequence data from two markers (ITS1-5.8S-ITS2 and <jats:italic>rps<\/jats:italic>16) and combined morphological characteristics. <jats:italic>Polycarpaea vanphongensis<\/jats:italic> is closely related to <jats:italic>Polycarpaea gaudichaudi<\/jats:italic> Gagnep., <jats:italic>Polycarpaea arenaria<\/jats:italic> (Lour.) Gagnep., <jats:italic>Polycarpaea phuquocensis<\/jats:italic> V.T. Tran, H.T. Truong &amp; N.V. Binh but differs by its stem glabrous, leaf ovate to elliptic, glabrous, ovary oblong ovoid, base obtuse, apex attenuate, capsule oblong void, 3.8 mm long. <jats:italic>Polycarpaea phuquocensis<\/jats:italic> V.T. Tran, H.T. Truong &amp; N.V. Binh differs from the three species mentioned above by its stem being densely villous, leaf spathulate, ciliate, ovary ovoid, base acute, apex obtuse, capsule ovoid, 1.2 mm long. <jats:italic>Polycarpaea chungana<\/jats:italic> V.T. Tran, H.T. Truong &amp; N.V. Binh is most similar to <jats:italic>Polycarpaea lignosa<\/jats:italic> Gagnep., but differs in having leaf oblong or linear, sparse ciliate, sepal and petal apex deeply concaved or slightly bifid, ovary ovoid, ovoid, 0.8\u20131.0 mm long. Furthermore, the achievements of analysis using molecular data on the systematic positions of 7 other species are results that have not been in previous molecular analyses.<\/jats:p>","DOI":"10.1371\/journal.pone.0301407","type":"journal-article","created":{"date-parts":[[2024,10,16]],"date-time":"2024-10-16T17:22:21Z","timestamp":1729099341000},"page":"e0301407","update-policy":"https:\/\/doi.org\/10.1371\/journal.pone.corrections_policy","source":"Crossref","is-referenced-by-count":2,"title":["Molecular phylogeny and cryptic morphology: A combined approach to taxonomic novelties in Polycarpaea (Caryophyllaceae) from Vietnam"],"prefix":"10.1371","volume":"19","author":[{"given":"Truong Thanh","family":"Hoang","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Le Ba","family":"Le","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ngan Thi Kim","family":"Le","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0000-7521-2065","authenticated-orcid":true,"given":"Minh Thi Ai","family":"Nguyen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anh Thi Lan","family":"Truong","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nhung Thi","family":"Tran","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vinh Thai","family":"Tran","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Son Van","family":"Le","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kim Thi","family":"Duong","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Khoa Viet Bach","family":"Hoang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2355-3180","authenticated-orcid":true,"given":"Trieu Ngoc","family":"Le","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Binh Van","family":"Nguyen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6539-0327","authenticated-orcid":true,"given":"Tien Van","family":"Tran","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"340","published-online":{"date-parts":[[2024,10,16]]},"reference":[{"issue":"2","key":"pone.0301407.ref001","first-page":"3","article-title":"Sur le nouveau Polycarpaea","author":"JB Lamarck","year":"1792","journal-title":"Journal d\u2019Histoire Naturelle"},{"key":"pone.0301407.ref002","first-page":"935","article-title":"An illustrated Flora of Vietnam 1","author":"HH Pham","year":"1993","journal-title":"Montr\u00e9al"},{"key":"pone.0301407.ref003","first-page":"1","volume-title":"Flora of China (Caryophyllaceae-Lardizabalaceae) 6","author":"L Dequan","year":"2001"},{"key":"pone.0301407.ref004","first-page":"206","volume-title":"The Families and Genera of Vascular Plants. 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