Abstract
A new species of Strobilanthes (Acanthaceae), S. bolavenensis, is described from Bolaven Plateau, southern Laos. Photos and illustration are given together with information of habitat, ecology, vernacular name and preliminary conservation assessment based on IUCN criteria.
References
<p>Benoist, R. (1935) Acanthacées. <em>In</em>: Lecomte, P.H. & Gagnepain, F. (Eds.) <em>Flore générale de l’Indo-Chine 4</em>, Masson, Paris, pp. 610–772.</p>
<p>Blume, C.L. (1826) <em>Bijdragen tot de Flora van Nederlandsch Indie </em>14. Ter Lands Drukker, Batavia, pp. 780–807. https://doi.org/10.5962/bhl.title.395</p>
<p>Chen, J.T., Huang, X.H., Lv, Z.Y., Kuang, T.H., Luo, J., Deng, Y.F. & Deng, T. (2020) <em>Strobilanthes sunhangii </em>(Acanthaceae), a new species from Tibet, China. <em>PhytoKeys</em> 166: 117–127. https://doi.org/10.3897/phytokeys.166.58831</p>
<p>Deng, Y.F., Wood, J.R.I & Scotland, R.W. (2006) New and reassessed species of <em>Strobilanthes</em> (Acanthaceae) in the Flora of China. <em>Botanical Journal of Linnean Society</em> 150: 369–390. https://doi.org/10.1111/j.1095-8339.2006.00473.x</p>
<p>Deng, Y.F., Wang, H. & Zhou, S.S. (2007) Two newly recorded species of <em>Strobilanthes</em> (Acanthaceae) from China. <em>Acta Phytotaxonomica Sinica</em> 45: 849–854. https://doi.org/10.1360/aps06204</p>
<p>Hô, P.H. (2000) <em>Cay Co Viet Nam: An Illustrated Flora of Vietnam Vol. 3.</em> Published by the author, Montreal, 1024 pp.</p>
<p>Hu, J.Q., Deng, Y.F. & Wood, J.R.I. (2011)<em> Strobilanthes</em>. <em>In</em>: Wu, Z., Raven, P.H. & Hong, D.Y. (Eds.) <em>Flora of China 19</em>. Missouri Botanical Garden Press, St. Louis and Science Press, Beijing, pp. 381–429.</p>
<p>Huang, S.Z. (1986) A new species of <em>Strobilanthes</em> (Acanthaceae). <em>Guihaia</em> 6 (3): 179–181.</p>
<p>IUCN (2012) <em>IUCN Red List Categories and Criteria: Version 3.1 ed. 2. </em>IUCN, Gland, Switzerland and Cambridge, UK.</p>
<p>Nagahama, A., Tagane, S., Souladeth, P., Sengthong, A. & Yahara, T. (2019) <em>Gentiana bolavenensis</em> (Gentianaceae), a new species from Dong Hua Sao National Protected Area in Southern Laos. <em>Thai Forest Bulletin, Botany</em> 47 (2): 133–136. https://doi.org/10.20531/tfb.2019.47.2.02</p>
<p>Newman, M., Pullan, M., Ketphanh, S., Svengsuksa, B., Thomas, P., Sengdala, K., Lamxay, V. & Armstrong, K. (2017–present) <em>A Checklist of the Vascular Plants of Lao PDR. </em>Royal Botanic Garden Edinburgh, Edinburgh. Available from: https://padme.rbge.org.uk/laos/ (accessed 18 January 2021)</p>
<p>Nguyen, T.S., Lin, Z.L., Sinh, K.N. & Deng, Y.F. (2018) <em>Strobilanthes erecta</em> (Acanthaceae), a newly recorded species from China and Vietnam. <em>Phytotaxa</em> 372 (4): 283–290. https://doi.org/10.11646/phytotaxa.372.4.5</p>
<p>Pooma, R. & Suddee, S. (Eds.) (2014) <em>Tem Smitinand’s Thai Plant Names, revised edition 2014.</em> The Office of the Forest Herbarium, Department of National Parks, Wildlife and Plant Conservation, Bangkok, 826 pp.</p>
<p>POWO (2019) <em>Plants of the World Online</em>. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet. Available from: http://www.plantsoftheworldonline.org/ (accessed 29 January 2021)</p>
<p>Souladeth, P., Tagane, S., Zhang, M., Okabe, N. & Yahara, T. (2017) Flora of Nam Kading National Protected Area I: a new species of yellow-flowered <em>Strobilanthes</em> (Acanthaceae), <em>S. namkadingensis</em>. <em>PhytoKeys</em> 81: 11–17. https://doi.org/10.3897/phytokeys.81.13203</p>
<p>Souladeth, P., Tagane, S., Newman, M.F. & Prajaksood, A. (2020) Two new species of <em>Eriocaulon </em>(Eriocaulaceae) from Laos. <em>Kew Bulletin </em>75 (4): 56. https://doi.org/10.1007/s12225-020-09909-0</p>
<p>Suddee, S., Tagane, S., Souladeth, P., Kongxaysavath, D., Rueangreua, S., Suyama, Y. & Suzuki, E. (2020) <em>Coleus bolavenensis</em> (Lamiaceae), a new species from Laos. <em>Thai Forest Bulletin, Botany</em> 48 (1): 82–85. https://doi.org/10.20531/tfb.2020.48.1.14</p>
<p>Tagane, S., Souladeth, P., Kongxaysavath, D., Rueangruea, S., Suddee, S., Suyama, Y., Suzuki, E. & Yahara, T. (2021a) Two new species and 18 new records for the flora of Laos. <em>Thai Forest Bulletin, Botany</em> 49 (1): 111–126. [https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/240503]</p>
<p>Tagane, S., Souladeth, P. & Yahara, T. (2021b) Two new species and seven new records of Lauraceae for the flora of Laos. <em>Acta Phytotaxonomica et Geobotanica</em>, in press.</p>
<p>Wood, J.R.I. & Scotland, R.W. (2009) New and little-known species of <em>Strobilanthes</em> (Acanthaceae) from India and South East Asia. <em>Kew Bulletin</em> 64: 3–47. https://doi.org/10.1007/s12225-009-9098-2</p>
<p>Wood, J.R.I., Nuraliev, M.S., Kuznetzov, A.N., Kuznetzova, S.P. & Scotland, R.W. (2017) <em>Strobilanthes barbigera</em> (Acanthaceae), a new species from Vietnam. <em>Kew Bulletin</em> 72: 28. https://doi.org/10.1007/s12225-017-9703-8</p>
<p>Yamazaki, K., Tagane, S., Souladeth, P. & Miyamoto, J. (2021) A New Variety, <em>Justicia vagabunda</em> var. <em>laxiflora</em> (Acanthaceae) from Bolaven Plateau, southern Laos. <em>Acta Phytotaxonomica et Geobotanica</em> 72 (2): 161–166. [https://www.jstage.jst.go.jp/article/apg/72/2/72_202015/_article/-char/ja/]</p>
<p>Blume, C.L. (1826) <em>Bijdragen tot de Flora van Nederlandsch Indie </em>14. Ter Lands Drukker, Batavia, pp. 780–807. https://doi.org/10.5962/bhl.title.395</p>
<p>Chen, J.T., Huang, X.H., Lv, Z.Y., Kuang, T.H., Luo, J., Deng, Y.F. & Deng, T. (2020) <em>Strobilanthes sunhangii </em>(Acanthaceae), a new species from Tibet, China. <em>PhytoKeys</em> 166: 117–127. https://doi.org/10.3897/phytokeys.166.58831</p>
<p>Deng, Y.F., Wood, J.R.I & Scotland, R.W. (2006) New and reassessed species of <em>Strobilanthes</em> (Acanthaceae) in the Flora of China. <em>Botanical Journal of Linnean Society</em> 150: 369–390. https://doi.org/10.1111/j.1095-8339.2006.00473.x</p>
<p>Deng, Y.F., Wang, H. & Zhou, S.S. (2007) Two newly recorded species of <em>Strobilanthes</em> (Acanthaceae) from China. <em>Acta Phytotaxonomica Sinica</em> 45: 849–854. https://doi.org/10.1360/aps06204</p>
<p>Hô, P.H. (2000) <em>Cay Co Viet Nam: An Illustrated Flora of Vietnam Vol. 3.</em> Published by the author, Montreal, 1024 pp.</p>
<p>Hu, J.Q., Deng, Y.F. & Wood, J.R.I. (2011)<em> Strobilanthes</em>. <em>In</em>: Wu, Z., Raven, P.H. & Hong, D.Y. (Eds.) <em>Flora of China 19</em>. Missouri Botanical Garden Press, St. Louis and Science Press, Beijing, pp. 381–429.</p>
<p>Huang, S.Z. (1986) A new species of <em>Strobilanthes</em> (Acanthaceae). <em>Guihaia</em> 6 (3): 179–181.</p>
<p>IUCN (2012) <em>IUCN Red List Categories and Criteria: Version 3.1 ed. 2. </em>IUCN, Gland, Switzerland and Cambridge, UK.</p>
<p>Nagahama, A., Tagane, S., Souladeth, P., Sengthong, A. & Yahara, T. (2019) <em>Gentiana bolavenensis</em> (Gentianaceae), a new species from Dong Hua Sao National Protected Area in Southern Laos. <em>Thai Forest Bulletin, Botany</em> 47 (2): 133–136. https://doi.org/10.20531/tfb.2019.47.2.02</p>
<p>Newman, M., Pullan, M., Ketphanh, S., Svengsuksa, B., Thomas, P., Sengdala, K., Lamxay, V. & Armstrong, K. (2017–present) <em>A Checklist of the Vascular Plants of Lao PDR. </em>Royal Botanic Garden Edinburgh, Edinburgh. Available from: https://padme.rbge.org.uk/laos/ (accessed 18 January 2021)</p>
<p>Nguyen, T.S., Lin, Z.L., Sinh, K.N. & Deng, Y.F. (2018) <em>Strobilanthes erecta</em> (Acanthaceae), a newly recorded species from China and Vietnam. <em>Phytotaxa</em> 372 (4): 283–290. https://doi.org/10.11646/phytotaxa.372.4.5</p>
<p>Pooma, R. & Suddee, S. (Eds.) (2014) <em>Tem Smitinand’s Thai Plant Names, revised edition 2014.</em> The Office of the Forest Herbarium, Department of National Parks, Wildlife and Plant Conservation, Bangkok, 826 pp.</p>
<p>POWO (2019) <em>Plants of the World Online</em>. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet. Available from: http://www.plantsoftheworldonline.org/ (accessed 29 January 2021)</p>
<p>Souladeth, P., Tagane, S., Zhang, M., Okabe, N. & Yahara, T. (2017) Flora of Nam Kading National Protected Area I: a new species of yellow-flowered <em>Strobilanthes</em> (Acanthaceae), <em>S. namkadingensis</em>. <em>PhytoKeys</em> 81: 11–17. https://doi.org/10.3897/phytokeys.81.13203</p>
<p>Souladeth, P., Tagane, S., Newman, M.F. & Prajaksood, A. (2020) Two new species of <em>Eriocaulon </em>(Eriocaulaceae) from Laos. <em>Kew Bulletin </em>75 (4): 56. https://doi.org/10.1007/s12225-020-09909-0</p>
<p>Suddee, S., Tagane, S., Souladeth, P., Kongxaysavath, D., Rueangreua, S., Suyama, Y. & Suzuki, E. (2020) <em>Coleus bolavenensis</em> (Lamiaceae), a new species from Laos. <em>Thai Forest Bulletin, Botany</em> 48 (1): 82–85. https://doi.org/10.20531/tfb.2020.48.1.14</p>
<p>Tagane, S., Souladeth, P., Kongxaysavath, D., Rueangruea, S., Suddee, S., Suyama, Y., Suzuki, E. & Yahara, T. (2021a) Two new species and 18 new records for the flora of Laos. <em>Thai Forest Bulletin, Botany</em> 49 (1): 111–126. [https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/240503]</p>
<p>Tagane, S., Souladeth, P. & Yahara, T. (2021b) Two new species and seven new records of Lauraceae for the flora of Laos. <em>Acta Phytotaxonomica et Geobotanica</em>, in press.</p>
<p>Wood, J.R.I. & Scotland, R.W. (2009) New and little-known species of <em>Strobilanthes</em> (Acanthaceae) from India and South East Asia. <em>Kew Bulletin</em> 64: 3–47. https://doi.org/10.1007/s12225-009-9098-2</p>
<p>Wood, J.R.I., Nuraliev, M.S., Kuznetzov, A.N., Kuznetzova, S.P. & Scotland, R.W. (2017) <em>Strobilanthes barbigera</em> (Acanthaceae), a new species from Vietnam. <em>Kew Bulletin</em> 72: 28. https://doi.org/10.1007/s12225-017-9703-8</p>
<p>Yamazaki, K., Tagane, S., Souladeth, P. & Miyamoto, J. (2021) A New Variety, <em>Justicia vagabunda</em> var. <em>laxiflora</em> (Acanthaceae) from Bolaven Plateau, southern Laos. <em>Acta Phytotaxonomica et Geobotanica</em> 72 (2): 161–166. [https://www.jstage.jst.go.jp/article/apg/72/2/72_202015/_article/-char/ja/]</p>