A new species of Typhonium (Araceae) from Vietnam.

PhytoKeys - 2024
Hong Truong Luu1,2, Nga Nguyen-Phi3,4, Quoc Dat Nguyen1, Hieu Cuong Nguyen1, Hong Thien Van5, Xuan Bach Nguyen-Le1
1Southern Institute of Ecology, Institute of Applied Materials Science, Vietnam Academy of Science and Technology, No. 1D, TL 29 Street, Thanh Loc Ward, District 12, Ho Chi Minh City, Vietnam Vietnam Academy of Science and Technology Ho Chi Minh City Vietnam.
2Graduate University of Science and Technology, Vietnam Academy of Science and Technology, No. 18, Hoang Quoc Viet Street, Cau Giay District, Ho Chi Minh City, Vietnam Graduate University of Science and Technology Ho Chi Minh City Vietnam.
3Vietnam National University - HCMC, Linh Trung Ward, Thu Duc City, Ho Chi Minh City, Vietnam Vietnam National University Ho Chi Minh City Vietnam.
4Department of Ecology and Evolutionary Biology, University of Science, Vietnam National University HCMC, 227 Nguyen Van Cu Street, District 5, Ho Chi Minh City, Vietnam University of Science Ho Chi Minh City Vietnam.
5Institute of Biotechnology and Food Technology, Industrial University of Ho Chi Minh City, No. 12 Nguyen Van Bao Street, Go Vap District, Ho Chi Minh City, Vietnam Industrial University of Ho Chi Minh City Ho Chi Minh City Vietnam.

Tóm tắt

Typhoniumobtusum is described as a new species endemic to Vietnam. It is unique in the genus in having an oblong-elliptic spathe limb with an obtuse apex and yellowish-greenish filiform staminodes with a down-curved acumen. The ecology, distribution and assessment of the conservation status of the new taxon, as well as a key to all known Typhonium species in Vietnam, are provided.

Từ khóa

#Araceae #Typhoniumobtusum #Vietnam #endemic #new species

Tài liệu tham khảo

Boyce PC, Sookchaloem D, Hetterscheid WL, Gusman G, Jacobsen N, Idei T, Nguyen VD. (2012) Araceae. Flora of Thailand 11: 101–321. Bridson D, Forman L. (1999) Herbarium Handbook (3rd Ed.). Lubrecht & Cramer Ltd, Kew, 346 pp. Gagnepain F. (1942a) Aracées. In: Lecomte H. (Ed.) Flore Générale de l’Indo-Chine 6.Masson, Paris, 1174–1181. Gagnepain F. (1942b) Typhonium (Araceae) nouveaux d’Indochine. Bulletin de la Société botanique de France 89: 10–12. 10.1080/00378941.1942.10833053 Galloway A. (2012) New Araceae species from Laos and Thailand. Aroideana 35: 51–64. Hetterscheid W. (2013) New Typhonium species from Asia. Aroideana 36: 93–97. Hetterscheid WLA, Boyce PC. (2000) A reclassification of Sauromatum Schott and new species of Typhonium Schott (Araceae). Aroideana 23: 48–55. Hetterscheid WLA, Nguyen VD. (2001) Three new species of Typhonium (Araceae) from Vietnam. Aroideana 24: 24–29. Hetterscheid W, Sookchaloem D, Murata J. (2001) Typhonium (Araceae) of Thailand: New species and a revised key. Aroideana 24: 30–55. Hu SY. (1968) Studies in the Flora of Thailand 41. Araceae. Dansk Botanisk Arkiv 23: 409–457. IUCN Standards and Petitions Subcommittee (2022) Guidelines for using IUCN Red List Categories and Criteria. Version 15. Prepared by the Standards and Petitions Subcommittee. https://www.iucnredlist.org/documents/RedListGuidelines.pdf [Accessed 31 January 2024] King G, Prain D. (1898) Descriptions of some new plants from the north-eastern frontiers of India. Journal of the Asiatic Society of Bengal 67: 284–305. Low SL, Yu CC, Ooi IH, Eiadthong W, Galloway A, Zhou ZK, Xing YW. (2021) Extensive Miocene speciation in and out of Indochina: The biogeographic history of Typhoniumsensu stricto (Araceae) and its implication for the assembly of Indochina flora. Journal of Systematics and Evolution 59(3): 419–428. 10.1111/jse.12689 Luu HT, Van HT, Ngo TTD, Nguyen LP, Le HP. (2017) Typhoniumthatsonense (Araceae), a new species from Vietnam. Novon 25(4): 438–441. 10.3417/D-16-00020 Murata J, Ohi-Toma T, Tanaka N. (2010) New or noteworthy plant collections from Myanmar (4): Typhoniumcordifolium and two new species, T.neogracile and T.praecox (Araceae). Shokubutsu Kenkyu Zasshi 85: 1–7. Nguyen VD. (2005) Araceae. In: Nguyen TB. (Ed.) Checklist of Plant Species of Vietnam (Vol.3). Agriculture Publishing House, Hanoi, 871–898. Nguyen VD. (2008) Typhoniumstigmatilobatum (Araceae tribe Areae), a new species from Vietnam. Kew Bulletin 63(3): 491–493. 10.1007/s12225-008-9044-8 Nguyen VD. (2017) Flora of Vietnam 16: Araceae Juss. Publishing House for Science and Technology, Hanoi, 458 pp. Nguyen VD, Croat TB. (1997) A new species of Typhonium (Araceae) from Vietnam. Aroideana 20: 48–52. Nguyen VD, Croat TB. (2010) A new species of Typhonium (Araceae) from Vietnam. Novon 20(2): 195–197. 10.3417/2008091 Nguyen VD, Vu XP. (2004) The genus Typhonium (Araceae) in flora of Vietnam. Academia Journal of Biology 26: 25–31. Nguyen VD, Le CT, Nguyen VD, Ha MT, Nguyen TVA, Croat T. (2021) Typhoniumphuocbinhense sp. nov. (Araceae: Areae), a new species from central Vietnam. Phytotaxa 482: 073–079. 10.11646/phytotaxa.482.1.8 Nguyen VD, Le CT, Dinh QD, Nguyen TVA, Tran VT, Croat TB. (2022a) Typhoniumkbangense, a new species of Araceae (Aroidea–Areae) from Central Vietnam. Nordic Journal of Botany 2022(8): e03601. 10.1111/njb.03601 Nguyen VD, Nguyen TVA, Tran VT, Le CT. (2022b) Two new records of species and a new synonym of genus Typhonium (Araceae) for flora of Indochina. VNU Journal of Science: Natural Sciences and Technology 38: 54–60. Nguyen-Phi N, Van HT, Luu HT. (2023) Typhoniumrhizomatosum (Araceae), a new record for the flora of Vietnam. Academia Journal of Biology 45(3): 125–131. 10.15625/2615-9023/18612 Pham TKT, Nguyen DD, Nguyen VC, Nguyen VD, Tran VT. (2023) Typhoniumhangiae (Araceae: Aroideae: Areae), a new species from Central Vietnam with a key to Vietnamese species of the genus. Kew Bulletin 78(4): 1–6. 10.1007/s12225-023-10134-8 Pham-Hoang H. (1993) Cây cỏ Việt Nam [An illustrated flora of Vietnam]. Vol. 3. Montreal, Canada, 1176 pp. Pham-Hoang H. (2003) Cây cỏ Việt Nam [An illustrated flora of Vietnam]. Vol. 3. Youth Publishing House, Ho Chi Minh, 1020 pp. POWO (2024) Plants of the World Online. Facilitated by the Royal Botanic Gardens, Kew. http://www.plantsoftheworldonline.org/ [Accessed 31 January 2024] Schott HW. (1829) Wiener Zeitschrift für Kunst, Litteratur, Theater und Mode. Vienna. Serebryanyi M, Trinh T, Hetterscheid W. (2023) New tuberous Araceae from Binh Thuan Province (South Vietnam). Blumea 68(1): 39–48. 10.3767/blumea.2023.68.01.03 Sriboonma D, Murata J, Iwatsuki K. (1994) Revision of Typhonium (Araceae). Journal of the Faculty of Science, University of Tokyo Section III. Botany 15: 255–313. Thiers B. (2024) Index Herbariorum: A global directory of public herbaria and associated staff. New York Botanical Garden’s Virtual Herbarium. http://sweetgum.nybg.org/ih/ [Accessed 31 January 2024] Van HT, Nguyen-Phi N, Vu NL, Galloway A, Luu HT. (2017) Typhoniumdongnaiense (Araceae), a new species from Vietnam. Annales Botanici Fennici 54(4–6): 405–408. 10.5735/085.054.0622 Van HT, Van Son L, Nguyen-Phi N, Nguyen QD, Nguyen TQT, Nguyen HC, Luu HT. (2021) A new species and a new record of Typhonium (Araceae) from southern Vietnam. Phytotaxa 527(3): 201–208. 10.11646/phytotaxa.527.3.4