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Article
Published: 2022-08-04

Didymoplexis gibbosa (Orchidaceae), a new mycoheterotrophic species from southern Vietnam

Komarov Botanical Institute of the Russian Academy of Sciences, 2, Prof. Popov Str., 197376 St. Petersburg, Russia.
Komarov Botanical Institute of the Russian Academy of Sciences, 2, Prof. Popov Str., 197376 St. Petersburg, Russia
Joint Russian-Vietnamese Tropical Scientific and Technological Center, Nguyen Van Huyen Str., Cau Giay, Hanoi, Vietnam. Department of Higher Plants, Biological Faculty, M.V. Lomonosov Moscow State University, 1, 12, Leninskie Gory, 119234 Moscow, Russia.
Joint Russian-Vietnamese Tropical Scientific and Technological Center, Nguyen Van Huyen Str., Cau Giay, Hanoi, Vietnam. A.N. Severtsov Institute of Ecology and Evolution of the Russian Academy of Sciences, 33, Leninsky av., 119071 Moscow, Russia.
Joint Russian-Vietnamese Tropical Scientific and Technological Center, Nguyen Van Huyen Str., Cau Giay, Hanoi, Vietnam
Joint Russian-Vietnamese Tropical Scientific and Technological Center, Nguyen Van Huyen Str., Cau Giay, Hanoi, Vietnam. Department of Higher Plants, Biological Faculty, M.V. Lomonosov Moscow State University, 1, 12, Leninskie Gory, 119234 Moscow, Russia.
achlorophyllous plants endemism flora orchids plant diversity plant taxonomy Quang Nam Province Monocots

Abstract

The paper presents a description of a new species, Didymoplexis gibbosa (Gastrodiinae, Gastrodieae) discovered recently in southern Vietnam. This is the fifth species of the genus reported from Vietnam. The new species is most similar to the widely distributed D. pallens. Description of the discovered species is accompanied with data on ecology, phenology and distribution, estimated IUCN Red List status, studied specimens, brief taxonomic notes and illustrations.

References

  1. Averyanov, L.V. (2011) The orchids of Vietnam. Illustrated survey. Part 3. Subfamily Epidendroideae (primitive tribes – Neottieae, Vanilleae, Gastrodieae, Nervilieae). Turczaninowia 14 (2): 15–100.

  2. Averyanov, L.V., Nuraliev, M.S., Maisak, T.V., Kuznetsov, A.N. & Kuznetsova, S.P. (2019) Didymoplexis holochelia (Orchidaceae, Gastrodiinae), a new species from northern Vietnam. Phytotaxa 405 (1): 54–60. https://doi.org/10.11646/phytotaxa.405.1.5

  3. Chen, X.Q., Liu, Z.J., Zhu, G.H., Lang, K.Y., Ji, Z.H., Luo, Y.B., Jin, X.H., Cribb, P.J., Wood, J.J., Gale, S.W., Ormerod, P., Vermeulen, J.J., Wood, H.P., Clayton, D. & Bell, A. (2009) Orchidaceae. In: Wu, Z.Y., Raven, P.H. & Hong, D.Y. (Eds.) Flora of China, vol. 25. Science Press and Missouri Botanical Garden, Beijing and St. Louis, 569 pp.

  4. Cribb, P., Gautier, L., Trigui, S. & Nusbaumer, L. (2011) Two new records of Orchidaceae from Madagascar, with an updated list of species shared with continental Africa. Candollea 66 (2): 413–416. https://dx.doi.org/10.15553/c2011v662a22

  5. Cribb, P., Gautier, L. & Nusbaumer, L. (2013) How many species are there in the holomycotrophic genus Didymoplexis Griff. (Orchidaceae) in Madagascar? Candollea 68 (1): 41–49. https://dx.doi.org/10.15553/c2013v681a3

  6. Garay, L.A. (1954) Notatio Orchidologica 3. Archivos do Jardim Botânico do Rio de Janeiro 13: 31–54.

  7. Govaerts, R., Bernet, P., Kratochvil, K., Gerlach, G., Carr, G., Alrich, P., Pridgeon, A.M., Pfahl, J., Campacci, M.A., Baptista, H.D., Tigges, H., Shaw, J., Cribb, P., George, A., Kreuz, K. & Wood, J.J. (2022) World Checklist of Orchidaceae. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet. Available from: http://wcsp.science.kew.org/ (accessed 12 July 2022)

  8. Griffith, W. (1844) On some plants, mostly undescribed, in the H.C. Botanic Gardens, Calcutta. Calcutta Journal of Natural History 4: 375–390. [https://www.biodiversitylibrary.org/item/176237#page/415/mode/1up]

  9. Hayata, B. (1912) Icones Plantarum Formosanarum. Vol. 2. Taihoku, Taipei, 156 pp. https://doi.org/10.5962/bhl.title.1316

  10. Hermans, J., Rajaovelona, L. & Cribb, P. (2021) New species in Orchidaceae from Madagascar. Kew Bulletin 76 (1): 39–56. https://doi.org/10.1007/s12225-021-09923-w

  11. Inoue, K. (2016) Didymoplexis Griff. In: Iwatsuki, K., Boufford, D.E. & Ohba, H. (Eds.) Flora of Japan. Vol. IVb. Kodansha LTD, Tokyo, p. 261.

  12. IUCN Standards and Petitions Subcommittee (2019) Guidelines for using the IUCN Red List categories and criteria Ver. 14. Available from: https://cmsdocs.s3.amazonaws.com/RedListGuidelines.pdf (accessed 18 February 2022)

  13. King, G. & Pantling, R. (1898) The orchids of the Sikkim-Himalaya. Part 4. Annals of the Royal Botanic Garden Calcutta 8: 1–342.

  14. Kumar, P., Bouamanivong, S., Fischer, G.A. & Gale, S.W. (2020) Didymoplexiella laosensis (Orchidaceae: Epidendroideae: Gastrodieae), a new holomycotrophic orchid from Lao PDR. Phytotaxa 430 (1): 1–8. https://doi.org/10.11646/phytotaxa.430.1.1

  15. Pedersen, H.E., Kurzweil, H., Suddee, S., de Vogel, E.F., Cribb, P., Chantanaorrapint, S., Watthana, S., Gale, S.W., Seelanan, T. & Suwanphakdee, C. (2014) Orchidaceae 2 (Epidendroideae p.p.: Neottieae, Tropidieae, Nervilieae, Gastrodieae, Thaieae, Calypsoeae, Arethuseae, Collabieae, Cymbidieae). In: Santisuk, T. & Balslev, H. (Eds.) Flora of Thailand, vol. 12, pt. 2. Prachachon Co. Ltd., Bangkok, pp. 303–670.

  16. Seidenfaden, G. (1997) Contributions to the orchid flora of Thailand XIII. Olsen & Olsen, Fredenborg, 65 pp.

  17. Seidenfaden, G. & Wood, J.J. (1992) The orchids of Peninsular Malaysia and Singapore. Olsen & Olsen, Fredensborg, 779 pp.

  18. Smith, J.J. (1914) Die Orchideen von Java, Vierter Nachtrag. Bulletin du Jardin Botanique de Buitenzorg, sér. 2, 14: 1–56. [https://www.biodiversitylibrary.org/item/27224#page/97/mode/1up]

  19. Suetsugu, K. & Hsu, T.C. (2019) New combinations in the genus Didymoplexis (Orchidaceae; Epidendroideae; Gastrodieae), with a new variety of D. siamensis from Amami-Oshima Island, Japan. Phytotaxa 388 (2): 174–178. https://doi.org/10.11646/phytotaxa.388.2.4

  20. Summerhayes, V.S. (1951) African Orchids XX. Kew Bulletin 6 (3): 461–475. https://doi.org/10.2307/4118030

  21. Tuyama, T. (1941) Orchidaceae Novae Micronesiacae (V). Journal of Japanese Botany 17 (9): 505–523. https://www.jjbotany.com/pdf/JJB_017_505_523.pdf

  22. WCVP (2022) World Checklist of Vascular Plants, version 2.0. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet. Available from: http://wcvp.science.kew.org/ (accessed 12 July 2022)

  23. Zhou, X., Cheng, Z., Liu, Q., Zhang, J., Hu, A., Huang, M., Hu, C. & Tian, H. (2016) An updated checklist of Orchidaceae for China, with two new national records. Phytotaxa 276 (1): 1–148. https://doi.org/10.11646/phytotaxa.276.1.1