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Journal of Threatened Taxa Building evidence for conservaton globally www.threatenedtaxa.org ISSN 0974-7907 (Online) | ISSN 0974-7893 (Print) Short Communication New distribution records in the orchid flora of Tripura, India Arjun Adit, Monika Koul & Rajesh Tandon 26 November 2019 | Vol. 11 | No. 14 | Pages: 14876–14885 DOI: 10.11609/jot.4613.11.14.14876-14885 For Focus, Scope, Aims, Policies, and Guidelines visit htps://threatenedtaxa.org/index.php/JoTT/about/editorialPolicies#custom-0 For Artcle Submission Guidelines, visit htps://threatenedtaxa.org/index.php/JoTT/about/submissions#onlineSubmissions For Policies against Scientfc Misconduct, visit htps://threatenedtaxa.org/index.php/JoTT/about/editorialPolicies#custom-2 For reprints, contact <[email protected]> The opinions expressed by the authors do not refect the views of the Journal of Threatened Taxa, Wildlife Informaton Liaison Development Society, Zoo Outreach Organizaton, or any of the partners. The journal, the publisher, the host, and the part- Publisher & Host ners are not responsible for the accuracy of the politcal boundaries shown in the maps by the authors. Partner Member Threatened Taxa Journal of Threatened Taxa | www.threatenedtaxa.org | 26 November 2019 | 11(14): 14876–14885 New distribution records in the orchid flora of Tripura, India ISSN 0974-7907 (Online) 1 2 3 Short Communication Short Arjun Adit , Monika Koul & Rajesh Tandon ISSN 0974-7893 (Print) PLATINUM 1,3 Department of Botany, University of Delhi, Delhi 110007, India. 2 Department of Botany, Hansraj College, University of Delhi, Delhi 110007, India. OPEN ACCESS 1 [email protected], 2 [email protected], 3 [email protected] (corresponding author) Abstract: Ten species of orchids belonging to eight genera are then. There have been many new orchid records from recorded for the frst tme from Tripura State of India. The taxa the neighboring states in the northeastern region (Odyuo include Bulbophyllum afne Wall. ex Lindl., Bulbophyllum lobbii Lindl., Coelogyne suaveolens (Lindl.) Hook.f., Dendrobium tortle Lindl., et al. 2013, 2017; Chowlu et al. 2014; Nanda et al. 2014; Micropera pallida Lindl., Mycaranthes foribunda (D.Don) S.C.Chen & Panday et al. 2014; Verma & Lavania 2014), however, only J.J.Wood, Pinalia acervata (Lindl.) Kuntze, Pinalia globulifera (Seidenf.) A.N.Rao, Thelasis khasiana Hook.f. and Trichoglots ramosa (Lindl.) a few new records are published from the state of Tripura Senghas. Geographical distributon along with detailed descriptons (Das & Data 2016; Panda et al. 2016). The present report and photographs of the recorded species are provided. provides records of 10 orchid species which were earlier Keywords: Epiphytes, Indo-Malayan, new report, northeastern India, not known from the state. The specimens were gathered Orchidaceae. during feld surveys conducted during the frst half of 2018 and were systematcally identfed using available literature (Kumar & Kumar 2005; Schuiteman et al. 2008; Chen et al. 2009; Agrawala & Chowdhery 2013; Kumar et Orchidaceae represents the largest angiosperm al. 2018). family and is known to occupy a variety of niches, with growth forms ranging from terrestrial to epiphytc and Materials and Methods even underground (IUCN 2017). With over 1,300 species, Extensive feld surveys were conducted in the forests orchids make up nearly 9% of the Indian fora and of Tripura State between March and August 2018. represent the largest family of fowering plants in India Orchids were photographed and morphometric data (ICAR-NRCO 2017). The northeastern region of India is were gathered besides the GPS coordinates and details recognized for its rich and unexplored foristc diversity of habitat. Only one orchid specimen representng each due to its placement in the Indo-Malayan ecozone. The taxon was collected due to their threatened status and earlier record from the state, the Flora of Tripura (Deb low populaton size, and was pressed, treated with 1983) cites 33 orchid species. The publicaton, however, formalin and prepared using standard method (de is more than 35 years old and the vegetaton (foral Vogel 1987; Bridson & Forman 1992). These herbarium species compositon) of the state has changed since specimens were deposited at the Delhi University DOI: htps://doi.org/10.11609/jot.4613.11.14.14876-14885 Editor: Pankaj Kumar, Kadoorie Farm and Botanic Gardern (KFGB) Corporaton, Hong Kong S.A.R., P.R. China. Date of publicaton: 26 November 2019 (online & print) Manuscript details: #4613 | Received 05 October 2018 | Final received 30 October 2019 | Finally accepted 05 November 2019 Citaton: Adit, A., M. Koul & R. Tandon (2019). New distributon records in the orchid fora of Tripura, India. Journal of Threatened Taxa 11(14): 14876–14885; htps://doi.org/10.11609/jot.4613.11.14.14876-14885 Copyright: © Adit et al. 2019. Creatve Commons Atributon 4.0 Internatonal License. JoTT allows unrestricted use, reproducton, and distributon of this artcle in any medium by adequate credit to the author(s) and the source of publicaton. Funding: Ruford Small Grants for Nature Conservaton. Competng interests: The authors declare no competng interests. Acknowledgements: AA is thankful for the fnancial assistance from the Ruford Small Grants for Nature Conservaton (25610-1), United Kingdom and the Junior Research Fellowship from the Council of Scientfc and Industrial Research (CSIR). We are deeply grateful to the Forest Department, Government of Tripura for providing logistcs required during the project besides the permission to conduct research in the state (No.F.2-61/For/Misc/Est-2013/23009-019). 14876 New orchid records for Tripura Adit et al. Herbarium (DUH), India, and accession numbers were Flowering and Fruitng: June–July. noted down. Comparisons between herbarium records Habitat: Found in a large populaton growing on were made using online portals such as the Kew a single Balakata baccata (Roxb.) Esser tree in moist Herbarium Catalogue (htp://apps.kew.org/herbcat/ broadleaf forest adjacent to Tlangsang Village in Jampui gotoHomePage.do) and the Swiss Orchid Foundaton Hills. at the Herbarium Jany Renz (htps://orchid.unibas.ch/ Specimen examined: DUH 14443 (DUH), 7.vi.2018, index.php/en/database-search/advanced-search). Tlangsang, North District, Tripura, India, 23.9060N, 92.2720E, 690m, coll. Arjun Adit 2121. Taxonomic Treatment Other specimen examined: K001114844 (K), 1852, Bulbophyllum afne Wall. ex Lindl. Nepal, coll. N. Wallich 1982. Gen. Sp. Orchid. Pl. 48. 1830; Sarcopodium afne Distributon: Bhutan, Cambodia, India (throughout), (Wall. ex Lindl.) Lindl. & Paxton, Paxton′s Fl. Gard. 1: 155. Laos, Myanmar, Nepal, southern China, Taiwan, Thailand, 1853; Phyllorkis afnis (Wall. ex Lindl.) Kuntze, Revis. and Vietnam. Gen. Pl. 2: 677. 1891; Bulbophyllum kusukusense Hayata, Icon. Pl. Formosan. 4: 48, f. 19. 1914. Type: Nepal, 1852, Bulbophyllum lobbii Lindl. N. Wallich 1982 (K!) Edwards’s Bot. Reg. 33: 29. 1847; Sarcopodium lobbii Erect epiphytc herb; rhizome sturdy, 0.5–0.8 cm in (Lindl.) Lindl. & Paxton, Paxton′s Fl. Gard. 1: 155. 1850; diameter; pseudobulbs erect, 6–8 cm apart, cylindrical, Sarcobodium lobbii (Lindl.) Beer, Prakt. Stud. Orchid. 2.5–3.5 cm in length, 0.8–1.2 cm in diameter; leaf solitary 306. 1854; Phyllorkis lobbii (Lindl.) Kuntze, Revis. Gen. with entre margin, petole 1–2 cm long, lamina 14–16 Pl. 2: 677. 1891; Phyllorchis lobbii (Lindl.) Kuntze, Revis. x 2–3 cm, oblong with parallel venaton, retuse apex Gen. Pl. 2: 677. 1891. Type: Java, Pangerango, Lobb 312 and decurrent base; inforescence consistng of a single (K-LINDL.) fower originatng from the rhizome; fower pedicellate, Erect epiphytc herb; rhizome sturdy, 1.0–1.5 cm in bracteate, 2.0–2.5 cm long, zygomorphic; sepals and diameter; pseudobulbs erect, 10–15 cm apart, globose, petals lanceolate with acute apices, 1.3–1.7 x 0.4–0.7 cm, 1.2–1.5 cm in length, 1.2–1.5 cm in diameter; leaf solitary white with longitudinal maroon stripes; lip lanceolate with entre margin, petole 1.4–1.7 cm long, lamina 10– with acute apex, 0.4–0.5 x 0.1–0.2 cm, orange to scarlet 10.5 x 2–3­­­­­­­­­­­­­­­ cm, oblong with parallel venaton, acute apex in color; column slightly recurved, 0.5cm long, sessile; and decurrent base; inforescence consistng of a single anther cap orange, pollinia 2, cream yellow (Images 1, fower originatng from rhizome; fower pedicellate, 11). bracteate, 4.0–4.5 cm long, zygomorphic; sepals and © Arjun Adit © Arjun Adit Image 1. Bulbophyllum afne Wall. ex Lindl. Image 2. Bulbophyllum lobbii Lindl. Journal of Threatened Taxa | www.threatenedtaxa.org | 26 November 2019 | 11(14): 14876–14885 14877 New orchid records for Tripura Adit et al. petals lanceolate with acute apex, 2.5–3.0 x 0.7–1.1 cm, (Lindl.) Kuntze, Revis. Gen. Pl. 2: 680. 1891. Type: India, creamish-yellow with faint longitudinal maroon stripes; 19 May 1856, Bishop Winchester s.n. (K!) lip triangulate with acute apex, 1.0–1.2 x 1.2–1.4 cm, Erect epiphytc herb; rhizome sturdy, 0.8–1.0 cm in white; column slightly recurved, 0.8cm long, sessile; diameter; pseudobulbs erect, 7–9 cm apart, cylindrical, anther cap yellow, pollinia 2, cream yellow (Images 2, 12). 5.5–6.0 cm in length, 2.0–2.5 cm in diameter; leaves two, Habitat: Growing on Cryptocarya amygdalina Nees with undulate margin, petole 3–3.5 cm long, lamina and Magnolia montana (Blume) Figlar trees in the moist 19–20 x 3.2–3.5 cm, oblanceolate with parallel venaton, broadleaf forest of Phuldungsei in Jampui Hills along with acuminate apex and decurrent base; Inforescence other epiphytes like Hoya lanceolata Wall.