Abstract
A new species of Schoenorchis, belonging to the family Orchidaceae is described from tropical mixed evergreen forests of Mishmi Hills, (Arunachal Pradesh, India). It is allied to Schoenorchis micrantha and S. brevirachis but differs in the size and shape of plant, the size of the leaf blade, inflorescence and flower. A detailed description with taxonomic notes, colour photos and information on the habitat, conservation status are provided.
References
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<p>Schlechter (1913) <em>Schoenorchis nivea</em> (Lindl.) Schltr.<em> Repertorium specierum novarum regni vegetabilis.</em> Beeh. 1: 986.</p>
<p>Seidenfaden, G. & Smitinand, T. (1963) <em>The orchids of Thailand. A preliminary list. </em>The Siam Society, Bangkok, 870 pp.</p>
<p>Seidenfaden, G. (1992) <em>Schoenorchis brevirachis</em> Seidenf.<em> Opera botanica</em> 114: 369.</p>
<p>Singh, S.K., Agrawala, D.K., Jalal, J.S., Das, S.S., Mao, A.A. & Singh, P. (2019) <em>Orchids of India- A pictorial guide.</em> Kolkata, India: Botanical Survey of India, Ministry of Environment, Forest & Climate change, 547 pp.</p>
<p>Smith, JJ. (1912) <em>Schoenorchis gemmata</em> J.J. Sm. <em>Natuurkundig Tijdschrift voor Nederlandsch Indië</em> 72: 100.</p>
<p>Smith, JJ. (1912) <em>Schoenorchis minutiflora</em> (Ridl.) J.J. Sm. <em>Natuurkundig tijdschrift voor Nederlandsch Indië</em> 72: 101.</p>
<p>Wight (1851) <em>Taeniophyllum jerdonianum</em> Wight. <em>Icones plantarum Indiae Orientalis</em> 5: t. 1756.</p>
<p>Blume, C.L. (1825) <em>Bijdragen tot de flora van Niderlandisch Indie.</em> Batavia, Ter Lands, 434 pp. https://doi.org/10.5962/bhl.title.395</p>
<p>Chen, X. & Wood, J.J. (2009) <em>Schoenorchis. In: </em>Wu, Z.Y., Raven, P.H. & Hong, D.Y. (Eds.) <em>Flora of China.</em> Vol. 25. (Orchidaceae). Science Press, Beijing and Missouri Botanical Garden Press, St. Louis, pp. 452–453.</p>
<p>Chowdhery, H.J. (1998) <em>Orchid Flora of Arunachal Pradesh.</em> Dehra Dun, India: Bishen Singh Mahendra Pal Singh, 824 pp.</p>
<p>Garay (1972) <em>Schoenorchis jerdoniana</em> (Wight) Garay. <em>Botanical Museum leaflets, Harvard University</em> 23: 202. https://doi.org/10.5962/p.168559</p>
<p>Gogoi, K. (2018) <em>Wild Orchids of Assam - A Pictorial Guide.</em> Guwahati, Assam: Assam State Biodiversity Board, 473 pp.</p>
<p>Gogoi, K. (2019) <em>Orchids of Assam - A Pictorial Guide.</em> Dibrugarh, Assam: Dibrugarh University, 588 pp.</p>
<p>Govaerts, R., Campacci, M.A., Baptista, D.H., Cribb, P.J., George, A., Kreutz, K. & Wood, J.J. (2022) <em>World checklist of Orchidaceae.</em> The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the Internet. Available from: http://apps.kew.org/wcsp/ (Accessed 1 May 2022).</p>
<p>Hegde, S.N. (2017) <em>Orchids of Arunachal Pradesh. </em>Revised Edition, Department of Environment and forest, Government of Arunachal Pradesh. 168 pp.</p>
<p>Jalal, J.S.; Jayanthi, J. & Schuiteman, A. (2014) <em>Xenikophyton</em> Garay (Orchidaceae—Aeridinae), a new synonym of Schoenorchis Reinw. ex Blume in <em>Kew Bulletin</em> (2014) 69: 9508. https://doi.org/10.1007/s12225-014-9508-y</p>
<p>Kumar, M. & Sequiera, S. (2000) A new species of <em>Schoenorchis</em> (Orchidaceae) from India. <em>Kew Bulletin</em> 55: 241–244. https://doi.org/10.2307/4117786</p>
<p>Lindley, J. (1833) <em>Genera and Species of Orchidaceous Plants,</em> London, 582 pp.</p>
<p>Lindley, J. (1838) <em>Saccolabium gemmatum</em> Lindl. <em>Edwards’s botanical register.</em> 24 (Misc.): 50.</p>
<p>Lucksom, S.Z. (2007) <em>The Orchids of Sikkim and North East Himalaya:</em> Development Area, Jiwan Thing Marg, Gangtok, East Sikkim, India. 984 pp.</p>
<p>Misra, S. (2019) <em>Orchids of India- a hand book.</em> Dehra Dun, India: Bishen Singh Mahendra Pal Singh, 652 pp.</p>
<p>Parish, C.S.P. & Reichenbach, H.G. (1874) <em>Saccolabium fragrans</em> C.S.P.Parish & Rchb.f. in <em>Journal of Botany</em> 12: 197.</p>
<p>Pearce, N.R. & Cribb, P.J. (2002) <em>Orchids of Bhutan: Flora of Bhutan,</em> Vol. 3, No. 3. Edinburg: Royal Botanical Garden, 643 pp.</p>
<p>POWO. (2022) <em>Plants of the World Online</em> [Internet]. Facilitated by the Royal Botanic Gardens, Kew; accessed on 5 December 2021. Available from: http://www.plantsoftheworldonline.org/ (Accessed 1 May 2022)</p>
<p>Pradhan, U.C. (1979) <em>Indian Orchids Guide to Identification and Culture.</em> Vol. 2. Faridabad, India, Thomson Press. pp. 190–747.</p>
<p>Rao, A.N. (2010) Orchid flora of Arunachal Pradesh - an update<em>.</em> <em>Bulletin of Arunachal Forest Research</em> 26 (1–2): 82–110.</p>
<p>Reichenbach, H.G. (1887) New or noteworthy plants. <em>The Gardeners’ Chronicle</em> 2: 214.</p>
<p>Reichenbach, H.G. (1874) I. New orchids discovered by the Rev. C. Parish, at <em>Moulmein. Journal of Botany, British and Foreign</em> 12: 196–199.</p>
<p>Ridley (1909) <em>Saccolabium minutiflorum</em> Ridl. <em>Journal of the Federated Malay States Museums</em> 4: 71.</p>
<p>Schlechter (1913) <em>Schoenorchis nivea</em> (Lindl.) Schltr.<em> Repertorium specierum novarum regni vegetabilis.</em> Beeh. 1: 986.</p>
<p>Seidenfaden, G. & Smitinand, T. (1963) <em>The orchids of Thailand. A preliminary list. </em>The Siam Society, Bangkok, 870 pp.</p>
<p>Seidenfaden, G. (1992) <em>Schoenorchis brevirachis</em> Seidenf.<em> Opera botanica</em> 114: 369.</p>
<p>Singh, S.K., Agrawala, D.K., Jalal, J.S., Das, S.S., Mao, A.A. & Singh, P. (2019) <em>Orchids of India- A pictorial guide.</em> Kolkata, India: Botanical Survey of India, Ministry of Environment, Forest & Climate change, 547 pp.</p>
<p>Smith, JJ. (1912) <em>Schoenorchis gemmata</em> J.J. Sm. <em>Natuurkundig Tijdschrift voor Nederlandsch Indië</em> 72: 100.</p>
<p>Smith, JJ. (1912) <em>Schoenorchis minutiflora</em> (Ridl.) J.J. Sm. <em>Natuurkundig tijdschrift voor Nederlandsch Indië</em> 72: 101.</p>
<p>Wight (1851) <em>Taeniophyllum jerdonianum</em> Wight. <em>Icones plantarum Indiae Orientalis</em> 5: t. 1756.</p>