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Journal-Of-Plant-Resources -2020.Pdf Volume 18 Number 1 Government of Nepal Ministry of Forests and Environment Department of Plant Resources Thapathali, Kathmandu, Nepal 2020 ISSN 1995 - 8579 Journal of Plant Resources, Vol. 18, No. 1 JOURNAL OF PLANT RESOURCES Government of Nepal Ministry of Forests and Environment Department of Plant Resources Thapathali, Kathmandu, Nepal 2020 Advisory Board Mr. Dhananjaya Paudyal Mr. Keshav Kumar Neupane Mr. Mohan Dev Joshi Managing Editor Mr. Tara Datt Bhat Editorial Board Prof. Dr. Dharma Raj Dangol Ms. Usha Tandukar Mr. Rakesh Kumar Tripathi Mr. Pramesh Bahadur Lakhey Ms. Nishanta Shrestha Ms. Pratiksha Shrestha Date of Online Publication: 2020 July Cover Photo: From top to clock wise direction. Inflorescence bearing multiple flowers in a cluster - Rhododendron cowanianum Davidian (PC: Pratikshya Chalise) Vanda cristata Wall. ex Lindl. (PC: Sangram Karki) Seedlings developed in half strength MS medium of Dendrobium crepidatum Lindl. & Paxton (PC: Prithivi Raj Gurung) Pycnoporus cinnabarinus (Jacq.: Fr.) Karst. (PC: Rajendra Acharya) Preparative HPLC (PC: Devi Prasad Bhandari) Flower head of Mimosa diplotricha C. Wright (PC: Lila Nath Sharma) © All rights reserved Department of Plant Resources (DPR) Thapathali, Kathmandu, Nepal Tel: 977-1-4251160, 4251161, 4268246, E-mail: [email protected] Citation: Name of the author, year of publication. Title of the paper, J. Pl. Res. vol. 18, Issue 1 pages, Department of Plant Resources, Thapathali, Kathmandu, Nepal. ISSN: 1995-8579 Published By: Publicity and Documentation Section Department of Plant Resources (DPR), Thapathali, Kathmandu, Nepal. Reviewers: The issue can be retrieved from http://www.dpr.gov.np Prof. Dr.Anjana Singh Dr. Krishna Bhakta Maharjan Prof. Dr. Ram Kailash Prasad Yadav Dr. Bal Krishna Joshi Dr. Lal Bahadur Thapa Prof. Dr. Ram Prasad Chaudhary Dr. Bharat Babu Shrestha Dr. Lokesh Ratna Shakya Ms. Rose Shrestha Dr. Bhaskar Adhikari Dr. Lilnath Sharma Prof. Dr. Sangeeta Rajbhandari Mr. Mahendra Nath Subedi Dr. Shandesh Bhattrai Dr. Bishnu Prasad Pandey Dr. Mitra Lal Pathak Dr. Shiva Devkota Dr. Chitra Bahadur Baniya Prof. Dr. Mohan Siwakoti Dr. Sushim Ranjan Baral Dr. Ekananda Poudel Prof. Dr. Mohan Prasad Panthi Dr. Tirth Bahadur Shrestha Prof. Dr. Ila Shrestha Dr. Nirmala Joshi (Pradhan ) Dr. Tri Bikram Bhattarai Dr. Joyti Prasad Gajurel Dr. Rajani Shakya Dr. Uttam Budhathoki Dr. Keshab Raj Rajbhandari Dr. Ram Chandra Poudel Editorial It is our pleasure to bring out the current issue of Journal of Plant Resources, Volume 18, Number 1, a continuation of research publication by the Department of Plant Resources. Twenty seven peer reviewed articles based on original research have been incorporated in this issue. The articles have been categorized as Taxonomy, Ecology, Ethno-botany, Biotechnology, Microbiology, and Phytochemistry. This issue intends to cover the research activities of the department as well as other research organizations. We encourage the young researchers to pursue quality research and contribute to build scientific knowledge on plant resources. We like to establish a link between the inference of scientific research and societies through dissemination of knowledge and information. We believe that the research findings will be helpful to the scientific community as well as general public to update the information on recent activities & development of plant science in Nepal. We would like to thank all peer reviewers whose critical comments and suggestions helped to improve the quality of the journal. We acknowledge the contribution of the contributors for their interest in publishing their valued work in this journal and looking forward to further cooperation and collaboration with this department. We apologize in advance for any mistakes in this issue and at the same time promise to improve the future issues based on your valued input. 2020J. Pl. Res. Vol. 18, No. 1, pp 1-5, 2020 Journal of Plant Resources Vol.18, No. 1 Mimosa diplotricha (Fabaceae): A New Report of Invasive Weed from Eastern Tarai of Nepal Lila Nath Sharma1, Bhaskar Adhikari2, Mahesh Raj Bist3 and Bharat Babu Shrestha3* 1Forest Action Nepal, Kathmandu 2Royal Botanic Garden, Edinburgh, UK 3Central Department of Botany, Tribhuvan University, Kathmandu *Email: [email protected] Abstract Mimosa diplotricha C. Wright (Fabaceae), an invasive weed is recorded for the first time in Nepal from South-eastern lowland of Tarai. A key to the Nepalese species of Mimosa, taxonomic description of M. diplotricha, notes on its habit, habitat, and distribution is provided. A variety M. diplotricha var. inermis (Adelb.) Veldkamlis also reported from the same area. Introduction the 26 most problematic invasive weeds of Nepal (Tiwari et al. 2005; Shrestha, 2019). Mimosa L. belongs to the sub family Caesalpinioideae in the family Fabaceae (The Legume Phylogeny The genus is usually characterized by the armed Working Group [LPWG], 2017). The genus is one stem, pinnate and often sensitive leaves, globose of the largest genera in the Fabaceae with more than inflorescence arising from the axils of leaves, and 500 species mainly native to the New World compressedflat pods divided transversely into one- (Barneby, 1991; Simon et al., 2011; Gehlot et al., seeded segments. 2013). The genus is much diverse in Americas (from United States to Argentina) with 496 species The specimens of Mimosa were collected and reported, less diverse in Madagascar with 34 species, photographed during the field work in Eastern Tarai and only few species are reported from east Africa from August to November 2019. The specimens and Asia (Simon et al., 2011). The genus is were identified as M. diplotricha and reported here represented by only three species in China (Wu & for the first time of its presence in Nepal. A key to Nielsen, 2010), eight species in India (Gamble, 1920; distinguish it from other species of Mimosa in Nepal Debnath et al., 2017), and two in Nepal (Rajbhandari is given below. Moreover, a variety M. diplotricha & Rai, 2019). The report of M. diplotricha from var. inermis (Adelb.) Veldkamlis also recorded. Eastern Tarai, hence, brings the total number of species of Mimosa in Nepal to three. Materials and Methods The genus Mimosa grows in wide range of habitats This study is based on the field studies of populations from lowland tropical regions to subtropical forests of M. diplotricha in eastern Nepal in Jhapa and in different types of soil conditions. It thrives well Morang districts (Figure 1), and herbarium studies in soils with low level of nutrients and organic matter of specimens (including the types)deposited at with low pH (Gehlot et al., 2013). Because of its National Herbarium and Plant Laboratories (KATH), ability to grow in different soil conditions, few Tribhuvan University Central Herbarium (TUCH), species have become the pantropical weeds, and M. Royal Botanic Garden Edinburgh (E), and Royal diplotricha is one of them. Other well-known Botanic Gardens Kew (K) (online images). The invasive weeds are M. pigra L. and M. pudica L., specimens were checked against the relevant floras M. pigra is among 100 of theworld’s worst invasive and checklists (Gamble, 1920; Ohashi, 1979; alien species (Lowe et al., 2000). M. pigra has not Gierson & Long, 1987; Press et al., 2000; Nielsen been reported from Nepal yet but M. pudica is among & Wu, 2010; Rajbhandari & Rai, 2019) to confirm its identification.The photographs were studied and 1 2020 Journal of Plant Resources Vol.18, No. 1 Figure 1: Physiographic map of Nepal showing collection locations the identification was further confirmed by the expert Annual or perennial gregarious subshrub. Stem of invasion ecology (pers.comm. K.V. Sankaran, scrambling or prostrate, ascending stems up to 5 Kerala Forest Research Institute, India; 4 December mlong, profusely branched, 4-angled, hirsute, with 2019). All the specimens collected during the field or without prickles. Leaves bipinnate, 10–18 cm work were deposited at TUCH and KATH long, stipulate, stipules linear upto 4 mm, hirsute. herbarium. Petiole 3-7 cm, with or without prickles; pinnae 6-8 pairs, 3–5 cm. Leaflets 20–28 pairs per pinnae, Taxonomic treatment linear-oblong, 4–7 × 2–3 mm, base obtuse, margin Key to the species of Mimosa of Nepal entire, apex mucronate, white villous both sides. 1a. Leaves pinnae 2-4 (1 -2 pairs)........ M. pudica Inflorescence, axillary, solitary or in pairs, heads 1b. Leaves pinnae 12-20 (6-10 pairs)................. 2 globoseup to 1.5 cm in diameter; peduncles 0.5–1.0 2a. Pods 7-11 cm long.................. M. himalayana cm, hirsute. Flowers sessile, bisexual. Calyx small, 2b. Pods 1.5-3 cm long.................. M. diplotricha ca. 3 mm. Corolla narrowly infundibuliform, ca. 2 mm, 4-lobed, outside slightly pubescent. Stamens Mimosa diplotricha C. Wright, Anales Acad. Ci. 8, filamentsup to8mm long, unequal, hairy, Med. Habana 5: 405. 1868. Nepali name: Aarakande anthersca. 2 mm. Pods in clusters up to 30, slightly -cf/fsf8F _] , Thulolajjawatijhar -7nf" ] nHhfjtL emf/_ curved, 1.5–3 × 0.4–0.6 cm, 2-5 seeded, compressed, English name: creeping sensitive plant, giant false hirsute, suture with bristles up to 3 mm. Seeds sensitive plant; giant sensitive plant (Centre for yellow-brown, upto 3 mm. Agriculture and Bioscience International [CABI], Flowering: October-November 2019) 2 2020 Journal of Plant Resources Vol.18, No. 1 Fruiting-November-January Eastern Nepal. Jhapa District: Arjundhara-3, Kaidale, 26.714018° N, 87.960224°E, 159 m, 7 Nov Habitat: Grows in flood plains, riverbanks, 2019, M.R. Bist & L.N. Sharma J03 (TUCH, roadsides, abandoned fields and forest fringes KATH); Arjundhara-4, Bering khola, 26.667144°N, Distribution: It is native of neotropics and 87.955622° E, 122 m,7 Nov 2019, M.R. Bist & L.N. Caribbean, invasive in wet tropics and subtropics Sharma J04 (TUCH, KATH); Gauriganj-1, including south and south EastAsia, Africa and Punjibari, 26.483205° N, 87.784154°E, 66 m, 8 Nov Pacific islands (Sankaran & Suresh 2013). 2019, M.R. Bist & L.N.
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