Two new species and 18 new records for the flora of Laos
DOI:
https://doi.org/10.20531/tfb.2021.49.1.14Keywords:
Bolaven Plateau, Dong Hua Sao National Protected Area, Indochina, flora, taxonomyAbstract
Six pteridophyte species of five families and 12 spermatophyte species of 10 families are reported from Bolaven Plateau, southern Laos, as new records to the flora of Laos. Moreover, two new species, Sterculia bolavenensis (Malvaceae) and Wikstroemia bolavenensis (Thymelaeaceae), are described. For each species, voucher specimens are cited, photographs are shown and additional information including geographical distribution, ecology and taxonomic notes are provided.
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Aubréville, A., Tardieu-Blot, M.L., Leroy, J.F. & Morat, P. (1960–present). Flore du Cambodge, du Laos et du Viêtnam. Muséum national d’histoire naturelle, Paris.
Barlow, B.A. (1997). Loranthaceae. In: C. Kalkman, P.E. Stevens, D.W. Kirkup, W.J.J.O. de Wilde & H.P. Nooteboom (eds), Flora Malesiana, Ser. 1, Vol. 13, pp. 209–401. Noordhoff-Kolff N.V., Djakarta.
Cho, S.Y., Phourin, C. & Kim, Y.D. (2016). A checklist for the seed plants of Cambodia. National Institute of Biological Resources, Inchon.
Christensen, C. (1934). Filices nova Indochinenses. Bulletin du Muséum National d’Histoire Naturelle 2(6): 100–109.
Ding H., Savinov, I.A. & van Welzen, P.C. (2010). Celastraceae. In: T. Santisuk & K. Larsen (eds), Flora of Thailand Vol. 10, pp. 141–198. The Forest Herbarium. Department of National Parks, Wildlife and Plant Conservation, Bangkok.
Esser, H-J. & Jebb, M.H.P. (2010). A new Schefflera and taxonomic notes on Araliaceae from Thailand. Thai Forest Bulletin, Botany 38: 160–166.
Griffin, O. & Parnell, J. (1997). Loganiaceae. In: T. Santisuk & K. Larsen (eds), Flora of Thailand Vol. 6, pp. 197–225. The Forest Herbarium. Department of National Parks, Wildlife and Plant Conservation, Bangkok.
Hô, P.H. (1999). An Illustrated Flora of Vietnam. Vol. 1. published by author, Ho Chi Minh.
Huang, P.H. & van der Werff, H. (2008). Actinodaphne. In: Z.Y. Wu, P.H. Raven & D.Y. Hong (eds), Flora of China Vol. 7, pp 161–166. Science Press, Beijing; Missouri Botanical Garden Press, St. Louis.
Julius, A., Kamin, I., Kiew, R. & Uttridge, T.M.A. (2013). Gardneria and Spigelia (Loganiaceae), two genera new to the Flora of Peninsular Malaysia. Phytotaxa 129: 39–46.
Leenhouts, P.W. (1962a). Florae Malesianae Precursores XXXIII. Loganiaceae. Bulletin du Jardin botanique de l’État a Bruxelles 32: 417−458.
Leenhouts, P.W. (1962b). Loganiaceae. In: C.G.G.J. Steenis (ed.), Flora Malesiana, Ser. 1, Vol 6, pp. 293–387. Wolters-Noordhoff Publishing, Groningen.
Lindsay, S. & Middleton D.J. (2012 onwards). Ferns of Thailand, Laos and Cambodia. Available at http://rbg-web2.rbge.org.uk/thaiferns/
Middleton, D.J., Armstrong, K., Baba, Y., Balslev, H., Chayamarit, K., Chung, R.C.K., Conn, B.J., Fernando, E.S., Fujikawa, K., Kiew, R., Luu, H.T., Aung M.M., Newman, M.F., Tagane, S., Tanaka, N., Thomas, D.C., Tran, T.B., Utteridge, T.M.A., van Welzen, P.C., Widyatmoko, D., Yahara T. & Wong K.M. (2019). Progress on Southeast Asia’s Flora projects. Gardens’ Bulletin Singapore 71: 267–319.
Nagahama, A., Tagane, S. Souladeth, P., Sengthong, A. & Yahara, T. (2019). Gentiana bolavenensis (Gentianaceae), a new species from Dong Hua Sao National Protected Area in southern Laos. Thai Forest Bulletin (Botany) 47: 133–136.
Naiki, A., Tagane, S., Chhang, P., Toyama, H., Zhu, H., Dang, V.-S. & Yahara, T. (2015). Flora of Bokor National Park, Cambodia II: Four new species and nine new records of Lasianthus (Rubiaceae) from Cambodia. Acta Phytotaxonomica et Geobotanica 66(3): 153–179.
Newman, M.F., Ketphanh, S., Svengsuksa, B., Thomas, P., Sengdala, K., Lamxay, V. & Armstrong, K. (2007). A Checklist of the Vascular Plants of Lao PDR. Royal Botanic Garden Edinburgh, Edinburgh. 394 pp.
Newman, M.F., Pullan, M., Ketphanh, S., Svengsuksa, B., Thomas, P., Sengdala, K., Lamxay, V. & Armstrong, K. (2017–present). A checklist of the vascular plants of Lao PDR. Online database available at https://padme.rbge.org.uk/laos/
Nooteboom, H.P. & Vidal, J.E. (1977). Symplocaceae. Flore du Cambodge, du Laos et du Viêtnam Vol. 16. Muséum national d’histoire naturelle, Paris, 75 pp.
Oguri, E., Tagane, S., Chhang, P., Toyama, H., Murakami, H. & Yahara, T. (2017). Flora of Bokor National Park, Cambodia VI: A new species of Wikstroemia (Thymelaeaceae), W. bokorensis. Phytotaxa 317: 280–285.
Rundel, P.W. (1999). Forest Habitats and Flora in Laos PDR, Cambodia. WWF Indochina Programme, Hanoi.
Smitinand, T. & Larsen, K. et al. (eds) (1970–present) Flora of Thailand. The Forest Herbarium, Bangkok.
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 Strobilanthes (Acanthaceae), S. namkadingensis. PhytoKeys 81: 11–17.
Souladeth, P., Tagane, S., Naiki, A., Nagamasu, H. & Yahara, T. (2018). Gentiana laotica, a new species of Gentianaceae from Laos. Thai Forest Bulletin (Botany) 46: 72–75.
Souladeth, P., Tagane, S. & Yahara, T. (2019). Flora of Nam Kading National Protected Area V: Two new species of Camellia (Theaceae), C. namkadingensis and C. rosacea. Thai Forest Bulletin (Botany) 47: 82–90.
Souladeth, P., Tagane, S., Newman, M.F. & Prajaksood, A. (2020). Two new species of Eriocaulon (Eriocaulaceae) from Laos. Kew Bulletin 75: 56.
Souladeth, P., Tagane, S., Suyama, Y., Ishii, N., Nagahama, A. & Souvannakhoummane, K. (2021a). Impatiens subfalcata (Balsaminaceae), a new species from Laos. Edinburgh Journal of Botany 78: 1–10.
Souladeth, P., Tagane, S., Suddee, S., Kongxaysavath, D. & Rueangruea, S. (2021b). Sonerila bolavenensis, a new species of Melastomataceae from Laos. Thai Forest Bulletin (Botany) 49(1): 106–110.
Souvannakhoummae, K., Souladeth, P., Tagane, S., Yang, C.-J. & Yahara, T. (2018). Flora of Nam Kading National Protected Area VI: Didymocarpus middletonii (Gesneriaceae), a new species from limestone. Edinburgh Journal of Botany 76: 45–54.
Suetsugu, K., Souladeth, P., Tagane, S. & Yahara, T. (2018). First record of the mycoheterotrophic orchid Lecanorchis taiwaniana from Nam Ha National Protected Area, northern Laos. Acta Phytotaxonomica et Geobotanica 69: 139–141.
Tagane, S., Dang, V. S., Souladeth, P., Nagamasu, H., Toyama, H., Naiki, A., Tran, H., Yang, C.-J., Prajaksood, A. & Yahara, T. (2018a). Five new species of Syzygium (Myrtaceae) from Indochina and Thailand. Phytotaxa 375: 247–260.
Tagane, S., Souladeth, P., Rueangruea, S., Okabe, N., Zhang, M., Chayer, S., Yang, C.-J. & Yahara, T. (2018b). Flora of Nam Kading National Protected Area II: 30 new records of angiosperms for Laos. Edinburgh Journal of Botany 75: 107–116.
Tagane, S., Souladeth, P., Zhang, M. & Yahara, T. (2018c). Flora of Nam Kading National Protected Area IV: Two new species of Annonaceae, Monoon namkadingense and Neo-uvaria laosensis. Phytotaxa 336: 82–88.
Tagane, S., Souladeth, P., Nagahama, A., Suyama, Y., Ishii, N., Tanaka, N. & Yahara T. (2020a). Twenty-five new species records in the flora of Laos. The Natural History Bulletin of the Siam Society 64: 25–41.
Tagane, S., Souladeth, P., Yang, C.-J. & Yahara, T. (2020b). Flora of Nam Kading National Protected Area VII: a new species of Diospyros (Ebenaceae), D. laoensis. Phytotaxa 477(1): 90–96.
Tagane S., Souladeth P., Yahara T. (2021). Two new species and seven new Records of Lauraceae for the Flora of Laos. Acta Phytotaxonomica et Geobotanica, in press.
Tagane, S., Toyama, H., Fuse, K., Chhang, P., Naiki, A., Nagamasu, H. & Yahara, T. (2017). A Picture Guide of Forest Trees in Cambodia IV~ Bokor National Park. Center for Asian Conservation Ecology, Kyushu University, Fukuoka, 780 pp. [available from http://ffish.asia/pdfs/PictureGuide_Bokor.pdf]
Tanaka, N., Tagane, S. & Souladeth P. (2020). Zingiber collinsii Mood & Theilade (Zingiberaceae), a newly recorded ginger from Laos. Journal of Thai Botany 12(2): 105–111.
Tanaros, M., Vajrodaya, S. & Chayamarit K. (2010). Taxonomic study of the genus Actinodaphne Nees (Lauraceae) in Thailand. Thai Journal of Botany 2(1): 7–23.
Van der Maesen, L.J.G. (1998). Revision of the genus Dunbaria Wight & Arn. (Leguminosae-Papilioideae). Wageningen Agricultural University Papers 98-1, Wageningen.
Veldkamp, J.F. & Wardani W. (2015). Asplenium tenerum var. pallidum is the correct name for A. thunbergii var. belangeri (Aspleniaceae). Reinwardtia 14: 303–306.
Wang, Y. Z. & Gilbert, M.G. (2007). Wikstroemia. In: Z.Y. Wu, P.H. Raven & D.Y. Hong (eds), Flora of China Vol. 13, pp 215–229. Science Press, Beijing; Missouri Botanical Garden Press, St. Louis.
Wu, Z., Raven, P.H. & Hong, D. (eds) (1994–2013). Flora of China. Beijing, Science Press, Beijing, and Missouri Botanical Garden Press, St. Louis.
Yang, C.-J., Tagane, S., Souladeth, P., Okabe, N., Hu, J.-M. & Yahara, T. (2018). Flora of Nam Kading National Protected Area III: Begonia namkadingensis (Begoniaceae), a new species in limestone area. Phytotaxa 334 (2): 195–199.
Zhang, X.C. & Nooteboom, H.P. (1998). A taxonomic revision of Plagiogyria. Blumea 43: 401–469.
Zhang, X.C. & Nooteboom, H.P. (2013a). Plagiogyriaceae. In: Z.Y. Wu, P.H. Raven & D.Y. Hong, eds, Flora of China, Vol. 2–3 (Pteridophytes), pp. 128–131. Science Press, Beijing; Missouri Botanical Garden Press, St. Louis.
Zhang, X.C. & Nooteboom, H.P. (2013b). Leptochilus. In: Z.Y. Wu, P.H. Raven & D.Y. Hong (eds), Flora of China, Vol. 2–3 (Pteridophytes), pp. 833–838. Science Press, Beijing; Missouri Botanical Garden Press, St. Louis.
