Two New Records of Species and A New Synonym of Genus Typhonium (Araceae) For Flora of Indochina
Main Article Content
Abstract
Two species of the genus Typhonium are described as the new species for the Flora of Indochina. T. cordifolium was discovered for the first time in Cambodia and Vietnam and T. khonkaenensis was found for the first time in Vientian of Laos. In the paper, the name T. rhizomatosum Galloway & Schmidt is recorded as a new synonym of T. cordifolium S. Y. Hu, while T. khonkaenensis is confirmed as a separated species in the genus Typhonium.
Keywords:
Typhonium, synonym, Cambodia, Laos, Vietnam, Indochina.
References
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M. Grayum, A. Hay, W. Hetterscheid, E. Landolt, S. Mayo, J. Murata, V. D. Nguyen, C. M. Sakuragui, Y. Singh, S. Thompson, G. Zhu, World Checklist and Bibliography of Araceae (and Acoraceae), Royal Botanic Gardens, Kew, Richmond, 2002.
[3] S. J. Mayo, J. Bogner, P. C. Boyce, The genera of Araceae, Royal Botanic Gardens, Kew, Richmond, 1997.
[4] A. Galloway, New Araceae Species from Laos and Thailand, Aroideana, Vol. 35, 2012, pp. 51-64.
[5] A. Galloway, Two new Typhonium Species from Laos and Thailand, Aroideana, Vol. 38, 2015, pp. 8-12.
[6] W. Hetterscheid, A. Galloway, New Typhonium (Araceae) Species from Thailand, Aroideana, Vol. 29, 2006, pp. 80-85.
[7] W. Hetterscheid, P. C. Boyce, A Classification of Sauromatum Schott and New Species of Typhonium Shott (Araceae), Aroideana, Vol. 23, 2000, pp. 48-55.
[8] W. Hetterscheid, D. Sookchaloem, J. Murata, Typhonium (Araceae) of Thailand: New Species and Revised key, Aroideana, Vol. 24, 2001, pp. 30-55.
[9] W. Hetterscheid, V. D. Nguyen, Three New Species of Typhonium (Araceae) from Vietnam, Aroideana, Vol. 24, 2001, pp. 24-29.
[10] V. D. Nguyen, Typhonium stigmatilobatum (Araceae tribe Areae), a New Species from Vietnam, Kew Bulletin, Vol. 63, 2008, pp. 491-493.
[11] V. D. Nguyen, Flora of Vietnam 16 Science and Technology Publishing House, Hanoi, 2017.
[12] V. D. Nguyen, T. Croat, A new species of Typhonium (Araceae) from Vietnam, Aroideana Vol. 20, 1997, pp. 48-52.
[13] V. D. Nguyen, T. Croat, A New Species of Typhonium (Araceae) from Vietnam, Novon, Vol. 20, 2010, pp. 195-197.
[14] V. D. Nguyen, C. T. Le, V. D. Nguyen, M. T. Ha, T. V. A. Nguyen, T. Croat, Typhonium phuocbinhense sp. nov. (Araceae: Areae), a New Species from Central Vietnam, Phytotaxa, Vol. 482, 2021, pp. 073-079,
https://doi.org/10.11646/phytotaxa.482.1.8.
[15] F. Gagnepain, Araceae, Floré Géneral de L’Indo-Chine, Paris, Vol. 6, No. 9, pp. 1075-1196.
[16] D. Sribooma, J. Murata, K. Iwatsuki, A revision of Typhonium (Araceae), Journal of Faculty of Science University of Tokyo Sec. 3, Vol. 15, No. 4, 1994, pp. 255-313.
[17] S. Y. Hu, Araceae. Studies in the Flora of Thailand 41, Dansk, Bot, Arkiv, Vol. 23, 1968, pp. 409-457.
[18] International Code of Botanical Nomenclature, Vienna Code,
https://www.iapt-taxon.org/historic/2006.htm/, 2006 (accessed on: August 24th 2021).
[19] The IUCN Red List of Threatened Species, Version 2021-1. IUCN Red List Unit, Cambridge U. K. http://www.iucnredlist.org/, 2021 (accessed on: August 23th 2021).
[20] M. Newman, S. Ketphanh, B. Svengsuksa, P. Thomas, K. Sengdala, V. Lamxay, K. Armstrong, A Checklist of the Vascular Plants of Lao PDR, Royal Botanic Garden Edinburgh, Edinburgh, UK. 2007.
[21] A. Kumar, P. Venu, Y .V. Rao, Rediscovery of Typhonium Inopinatum (Araceae) from India with Notes on the Identity of T. Khandwaense, Rheedea, Vol. 24, 2014, pp. 120-123.
[22] K. Sasikala, E. Vajravelu, P. Daniel, Fascicles of Flora of India, Botanical Survey of India, New Delhi, Vol. 29, 2019, pp. 1-357.
[23] W. Hetterscheid, D. Sookchaloem, Typhonium - Acoraceae and Araceae, Flora of Thailand, Bangkok, Vol. 11, 2012, pp. 298-321.
[24] Royal Botanic Garden Kew, Typhonium khonkaenensis A. Galloway, S. Charoenwong,
http://www. plantsoftheworldonline.org/taxon/urn:lsid:ipni.org:names:60470215-2, 2021 (accessed on: 12/8/2021).
[25] S. L. Low, C. C. Yu, I. H. Ooi, W. Eiahthong, A. Galloway, Z. Zhou, Y. Xing, Extensive Miocence Speciation in and out of Indochina: The Biogeorgraphic History of Typhonium Sense Stricto (Araceae) and its Implication for the Assembly of Indochina Flora, Journal of Systematic and Evolution, 2020, pp. 1-10.