Abstract
A species new to science, Dendrobium ormerodii Handoyo, Naive & J.Champ. from Kalimantan, Borneo is herein described and illustrated. The species is superficially similar to D. fulminicaule but differs in having shorter stem, narrower leaf, dorsal sepal with acute apex, labellum without sidelobes or without the broadening at the base, labellum apex obtuse-truncate, and shorter column. Detailed description, a colour plate, line drawing, notes on phenology, distribution, and a conservation assessment are provided below.
References
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Swartz, O. (1799) Dendrobium. Nova Acta Regiae Societatis Scientiarum Upsaliensis Ser. 2, 6: 82–85.
Takamiya, T., Wongsawad, P., Sathapattayanon, A., Tajima, N., Suzuki, S., Kitamura, S., Shioda, N., Handa, T., Kitanaka, S., Iijima, H. & Yukawa, T. (2014) Molecular phylogenetics and character evolution of morphologically diverse groups, Dendrobium section Dendrobium and allies. AoB Plants 6: plu045. https://doi.org/10.1093/aobpla/plu045
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Blume, C.L. (1825) Bijdragen tot de Flora van nederlandsch Indie. Lands Drukkerij: Batavia. https://doi.org/10.5962/bhl.title.115427
Brieger, F.G. (1981) Subtribus Dendrobiinae. In: Brieger, F.G., Maatsch, R. & Senghas, K. (Eds.) Rudolf Schlechter, Die Orchideen: ihre Bescreibung, Kultur und Zu?chtung, 3rd edn, Band 1, Teil A, Lieferung 11–12.
Comber, J.B. (1990) Orchids of Java. Royal Botanic Gardens, Kew. 1026 pp.
Comber, J.B. (2001) Orchids of Sumatra. Bentham-Moxon Trust, Royal Botanic Gardens, Kew. 407 pp.
Cootes, J. & Tiong, G. (2015) A guide to Dendrobium of the Philippines. Natural History Publications, Borneo.
IUCN Standards and Petitions Subcommittee (2019) Guidelines for Using the IUCN Red List Categories and Criteria. Version 14. Prepared by the Standards and Petitions Subcommittee. Available from: http://www.iucnredlist.org/documents/RedListGuidelines.pdf (accessed 18 April 2020)
Lavarack, B., Wayne, H. & Stocker, G. (2000) Dendrobium and it’s Relatives. Periplus Editions (HK) Ltd. 287 pp.
Lindley, J. (1830–1840) Genera and species of Orchidaceous plants. London: Ridgways, Piccadilly. https://doi.org/10.5962/bhl.title.499
Lindley, J. (1842) Edwards’s botanical register Misc. 28. London: James Ridgway, Piccadilly.
Lindley, J. (1872) Gardener’s Chronicle and agricultural gazette. 1872: 109.
O’Byrne, P. (1994) Lowland Orchids of Papua New Guinea. SNP Publisher Pte Ltd. Singapore. 375 pp.
Ormerod, P. (2017) Checklist of Papuasian Orchids. Nature & Travel Books, Lismore, Australia, 494 pp.
Reichenbach, H.G. (1878) Otia botanica Hamburgensia. Hamburgi. https://doi.org/10.5962/bhl.title.50465
Ridley, H.N. (1907) Materials for a flora of the Malayan Peninsula, Part I. Methodist Publishing House, Singapore. https://doi.org/10.5962/bhl.title.19701
Schuiteman, A. & Adams, P.B. (2014) Dendrobium. In: Pridgeon, M.A., Cribb, P.J., Chase, M.W. & Rasmussen, F.N. (eds.) Genera orchidacearum, vol. 6. Epidendroideae (Part three). Oxford: Oxford University Press.
Schumann, K. & Lauterbach, K. (1905) Nachträge zur Flora der deutschen Schutzgebiete in der Südsee: mit Ausschluss Samoa’s und der Karolinen. Leipzig. https://doi.org/10.5962/bhl.title.710
Smith, J.J. (1908) Nueu Orchideen des malaiischen Archipels, II. Bulletin de Département de l’Agriculture aux Indes Néerlandaises. Buitenzorg 15: 13.
Smith, J.J. (1917) Orchidaceae Novae Malayenses. VIII. Bulletin du Jardin botanique de Buitenzorg, ser. 2, 25: 51.
Swartz, O. (1799) Dendrobium. Nova Acta Regiae Societatis Scientiarum Upsaliensis Ser. 2, 6: 82–85.
Takamiya, T., Wongsawad, P., Sathapattayanon, A., Tajima, N., Suzuki, S., Kitamura, S., Shioda, N., Handa, T., Kitanaka, S., Iijima, H. & Yukawa, T. (2014) Molecular phylogenetics and character evolution of morphologically diverse groups, Dendrobium section Dendrobium and allies. AoB Plants 6: plu045. https://doi.org/10.1093/aobpla/plu045
Wood, J.J. (2014) Dendrobium of Borneo. Natural History Publications (Borneo), Kota Kinabalu. 946 pp.