https://li01.tci-thaijo.org/index.php/ThaiForestBulletin <p>Thai Forest Bulletin (Botany) - here referred to as TFB (Botany) - was first published in 1954 by the Royal Forest Department, under the leadership of its first editor Prof. Dr. Tem Smitinand. In 2002, the journal was published by the Department of National Parks, Wildlife and Plant Conservation with Prof. Dr. Thawatchai Santisuk as editor, supported by editorial board members from several prominent herbaria in Europe. At present, the TFB (Botany) is published by the Forest Herbarium in Bangkok, with Dr. Tim Utteridge and Ms Nannapat Pattharahirantricin as editors. The journal is published once a year, usually January with the manuscript no submission deadline, and articles are published in English. All manuscripts are peer reviewed by international scientists and edited by native English language speakers on the editorial board before acceptance and publication. TFB (Botany) will become both printed and electronic journal starting with volume 44 (2016), and through the TFB (Botany) Archive, every article published since 1954 is available and completely searchable online.</p> <p>ISSN : 0495-3843 (print), 2465-423x (electronic)</p> en-US voradol@yahoo.com (Dr. Voradol Chamchumroon) saveta.yo@gmail.com (Dr. Sawita Yooprasert) Tue, 06 Jan 2026 15:48:19 +0700 OJS 3.3.0.8 http://blogs.law.harvard.edu/tech/rss 60 https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/266446 <p><em>Tetrastigma quangninhense</em> (Vitaceae), a new species found in Quang Ninh Province, northern Vietnam, referable to <em>Tetrastigma </em>sect. <em>Tetrastigma</em> is described. A morphological comparison with resembling species is provided. A description, details of distribution and habitat are supplemented with photos.</p> Nguyen The Cuong, Minh Tam Ha, Van Hai Do, Pimwadee Pornpongrungrueng Copyright (c) 2026 The Forest Herbarium http://creativecommons.org/licenses/by-nc-nd/4.0 https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/266446 Fri, 06 Mar 2026 00:00:00 +0700 https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/259689 <p><em>Peliosanthes siamensis</em> (Asparagaceae) is described from northern Thailand. A description, distribution, ecology, phenology, notes and illustration are provided. A provisional conservation status of the species in Thailand is also given.</p> Woranart Thammarong, Woranuch La-ongsri, Wattana Tanming, Sarayut Rakarcha Copyright (c) 2026 The Forest Herbarium http://creativecommons.org/licenses/by-nc-nd/4.0 https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/259689 Wed, 25 Feb 2026 00:00:00 +0700 https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/265936 <p>Two new species,<em> Greenea laotica </em>(Rubiaceae) and<em> Palaquium laoticum </em>(Sapotaceae), are described based on specimens collected from the Nam Kading National Protected Area and its vicinity in central Laos. In addition, seven taxa of angiosperms are reported as new records for the flora of Laos: <em>Lonicera macrantha </em>(Caprifoliaceae)<em>, Heritiera angustata</em>,<em> Heritiera parvifolia </em>(Malvaceae), <em>Olax imbricata</em> (Olacaceae), <em>Pellacalyx yunnanensis </em>(Rhizophoraceae),<em> Psychotria bonii </em>(Rubiaceae), and<em> Pouzolzia zeylanica </em>var.<em> calcicola </em>(Urticaceae)<em>.</em> For each species, voucher specimens are cited, photographs are shown and additional information including geographical distribution, ecology and taxonomic notes are provided. Lectotype is proposed for <em>Olax imbricata</em>.</p> Shuichiro Tagane, Phetlasy Souladeth, Deuanta Kongxaisavath, Keooudone Souvannakhoummane, Phongphayboun Phonepaseuth, Thyraphon Vongthavone, Van Son Dang, Takenori Yamamoto Copyright (c) 2026 The Forest Herbarium http://creativecommons.org/licenses/by-nc-nd/4.0 https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/265936 Tue, 06 Jan 2026 00:00:00 +0700