J. Jpn. Bot. 93(4): 287–290 (2018)

Chandra Kanta Sa, Prabin Ba,*, Santosh Ta, Mohan Pa, Janita Gb, Lokesh Ratna Sc and Ram Prasad Ca: erecta var. oblanceolata ()—A New Record for the Flora of Nepal aResearch Centre for Applied Science and Technology, Tribhuvan University, Kirtipur, Kathmandu, NEPAL; bInternational Centre for Integrated Mountain Development, Khumaltar, Lalitpur, NEPAL; cDepartment of Botany, Amrit Campus, Tribhuvan University, Thamel, Kathmandu, NEPAL *Corresponding author: [email protected]

Summary: (Thunb.) comprises about 15 species distributed in Blume var. oblanceolata N. Pearce & P. J. Cribb temperate zone of the northern hemisphere (Orchidaceae) is reported from west and central (Pridgeon et al. 2005, Chen et al. 2009). To date, Nepal. This is a new record for the fl ora of Nepal, Cephalanthera is represented by a single species, and the western most distribution for the species. C. longifolia (L.) Fritsch, in Nepal (Press et al. A brief note with habitat and distribution is provided. 2000, Rajbhandari 2015). During establishment of a permanent plot Cephalanthera L. C. Richard (Orchidaceae; for monitoring forest vegetation of Paripatal subfamily ; tribe Neotiieae) Women Community Forest, Darchula District,

Fig. 1. Cephalanthera erecta (Thunb.) Blume var. oblanceolata N. Pearce & P. J. Cribb. Habitat. Paripatal Women Community Forest, Darchula District, Western Nepal. 2 June 2016.

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Fig. 2. Cephalanthera erecta (Thunb.) Blume var. oblanceolata N. Pearce & P. J. Cribb (P. Bhandari, M. Pandey & S. Thapa K100-2016, KATH030390).

Western Nepal, a species of Cephalanthera oblanceolata N. Pearce & P. J. Cribb. We also was collected in 2016. The was unusual collected the same taxon in Phulchowki forest, in floral morphology; there was no distinction Central Nepal in 2017. between sepals, petals and labellum. On Cephalanthera erecta var. oblanceolata is checking relevant literature (Pearce et al. 2001, typically characterized by a simple lip, without Pearce and Cribb 2002), this was found to be spur, and is thought to be a peloric form of C. Cephalanthera erecta (Thunb.) Blume var. erecta, and is distributed in Bhutan, Korea and August 2018 The Journal of Japanese Botany Vol. 93 No. 4 289

Table 1. Comparison between Cephalanthera erecta and C. longifolia in morphological characters Characters C. erecta C. longifolia Plant height up to 30 cm up to 60 cm Leaves elliptic to ovate-lanceolate, ca. 2–8 cm long lanceolate to linear-lanceolate, ca. 8–18 cm long Infl orescence racemose, ± laxly 3–10-fl owered racemose, ± densely 8–20-fl owered Sepals oblong-elliptic, 8–10 × 2.5–3.5 mm ovate-lanceolate, 12–18 × 4–6 mm Lips hypochile spurred, epichile with 3 brownish lamellae hypochile saccate, epichile with 3–5 orange lamellae

Japan (Pearce and Cribb 2002, Lee et al. 2009, characterized by having a saccate lip, enclosed Takashima and Kurihara 2016). Although, the within the base of lateral sepals, C. erecta occurrence of C. erecta var. erecta has not been possesses a spurred lip, protruded between reported from Nepal (Hara et al. 1978, Press et bases of lateral sepals (Chen et al. 2009). Table al. 2000, Rokaya et al. 2013, Rajbhandari 2015), 1 shows the difference between C. longifolia our fi nding is treated as a new record for the fl ora and C. erecta in morphological as well as fl oral of Nepal, and is the western most distributional characters. However, C. erecta var. oblanceolata record for this species. differs from var. erecta in having a simple lip without spur, and is regarded as the peloric form Cephalanthera erecta (Thunb.) Blume of C. erecta (Pearce et al. 2001, Pearce and var. oblanceolata N. Pearce & P. J. Cribb in Cribb 2002). Edinburgh J. Bot. 58(1): 110 (2001). [Figs. 1, 2] Type: Bhutan. Mishichen to Khosa, 10 Authors are grateful to the curator of KATH May 1967, H. Kanai, G. Murata, H. Ohashi, O. for allowing us to examine the herbarium Tanaka & T. Yamazaki 13575 (TI–holo.). specimens. The Kailash Sacred Landscape Flowering: May–June. Conservation and Development Initiative Habitat: Terrestrial on humus rich soil in (KSLCDI) Nepal is acknowledged for providing broad-leaved forest composed of Quercus fi nancial and technical support. species, Lyonia ovalifolia, Rhododendron arboreum and laurels. References Distribution: Nepal, Bhutan, Korea, Japan. Chen X. Q., Gale S. W. and Cribb P. J. 2009. Specimens examined: WESTERN NEPAL–Mahakali Cephalanthera Richard. In: Wu Z. Y., Raven P. H. and Zone, Darchula District, Api Nampa Conservation Area, Hong D. Y. (eds.), Flora of China 25: 174–177. Science Khar Village Development Committee, Paripatal Women Press, Beijing and Missouri Botanical Garden Press, St. Community Forest, 2100–2300 m (P. Bhandari, M. Pandey Louis. & S. Thapa K100-2016, 2 June 2016, KATH030390). Hara H., Stearn W. T. and Williams L. H. J. 1978. CENTRAL NEPAL–Bagmati Zone, Lalitpur District, Orchidaceae. An Enumeration of the Flowering Phulchowki Forest, 2000–2100 m, (P. Bhandari & M. of Nepal 1: 30–58. British Museum (Natural History), Pandey P01-2017, 29 April 2017, KATH030391). London. Lee C. S., Eum S. M., Choi S. A. and Lee N. S. 2009. First Cephalanthera in Nepal had been represented Record of Cephalanthera erecta var. oblanceolata by a single species, C. longifolia, to date (Press et (Orchidaceae) from Korea. Korean J. Pl. Taxon. 39(4): 296–298. al. 2000, Rajbhandari 2015) and the specimens Pearce N. and Cribb P. J. 2002. Cephalanthera L. C. deposited at the National Herbarium and Plant Richard. The Orchids of Bhutan. pp. 37–42. Royal Laboratories, Nepal (KATH) are also reported to Botanical Garden Edinburgh, Edinburgh. be C. longifolia (Rajbhandari and Baral 2010). Pearce N., Cribb P. J. and Renz J. 2001. Notes relating to the Flora of Bhutan: XLIV. Taxonomic notes, new taxa The leaf and other vegetative characters of our and additions to the Orchidaceae of Bhutan and Sikkim collections agree with those of C. erecta and not (India). Edinburgh J. Bot. 58(1): 99–122. C. longifolia. While, is Press J. R., Shrestha K. K. and Sutton D. A. 2000. 290 植物研究雑誌 第 93 巻 第 4 号 2018 年 8 月

Cephalanthera Rich. Annotated Checklist of the Gymnosperms and . p. 49. Department Flowering Plants of Nepal. p. 211. The Natural History of Plant Resources, Kathmandu. Museum, London. Rokaya M. B., Raskoti B. B., Timsina B. and Münzbergová Pridgeon A. M., Cribb P. J., Chase M. W. and Rasmussen F. Z. 2013. An annotated checklist of the orchids of N. (eds.) 2005. Cephalanthera. Genera Orchidacearum. Nepal. Nord. J. Bot. 31: 511–550. 4: 496–501. Oxford University Press, Oxford. Takashima M. and Kurihara T. 2016. A new record Rajbhandari K. R. 2015. Cephalanthera Rich. A Handbook of Cephalanthera erecta (Thunb.) Blume var. of the Orchids of Nepal. p. 24. Department of Plant oblanceolata N. Pearce & P. J. Cribb (Orchidaceae) Resources, Kathmandu. for Tochigi Prefecture, Japan. Bull. Tochigi Pref. Mus., Rajbhandari K. R. and Baral S. R. 2010. Cephalanthera L. Nat. Hist. 33: 29–31. C. Rich. Catalogue of Nepalese Flowering Plants – I.

C. K. Subedia，P. Bhandaria，S. Thapaa，M. Pandeya， J. Gurungb，L. R. Shakyac，R. P. Chaudharya：ネパール新 産のヤビツギンラン（ラン科） ネパール西部と中部からヤビツギンラン （aネパール・Tribhuvan University Research Centre Cephalanthera erecta (Thunb.) Blume var. oblanceolata N. for Applied Science and Technology， Pearce & P. J. Cribb（ラン科）を報告した．これはネパ bネパール・International Centre ール新産で，かつ本種としても西限となる．ここでは本 for Integrated Mountain Development， 種の生育地と分布について言及した． cネパール・Tribhuvan University Amrit Campus Department of Botany）