Agricultural Research Management Information System

  • Home
  • Research Summary
    • All
    • Government Organization
      • Agriculture Training Institute, Ishwardi, Pabna
      • Bangabandhu academy for poverty alleviation and rural development (BAPARD)
      • Bangabandhu Sheikh Mujibur Rahman Science & Technology University
      • Bangladesh Bureau of Statistics
      • Bangladesh Institute of Health Sciences
      • Bangladesh Institute of Tropical & Infections Diseases (BITID)
      • Bangladesh Meteorological Department
      • Bangladesh National Herbarium
      • Bangladesh Space Research and Remote Sensing Organization
      • Bangladesh Technical Educational Board
      • Barind Multipurpose Development Authority
      • Central Cattle Breeding Station
      • Department of Agriculture Extension
      • Department of Fisheries
      • Department of Livestock Services
      • Department of Youth Development
      • Dhaka Medical College
      • Geological Survey of Bangladesh
      • Institute of Epidemiology, Disease Control & Research
      • Jatiya Kabi Kazi Nazrul Islam University
      • Khulna Govt. Women College
      • Livestock Training Institute
      • Local Government Engineering Department
      • Ministry of Agriculture
      • Ministry of Environment and forest
      • Ministry of Fisheries and Livestock
      • Ministry of Labour & Employement
      • Ministry of Land
      • Ministry of Public Administration
      • Ministry of Textiles and Jute
      • Ministry of Water Resources
      • Ministry of Youth and Sports
      • National Agricultural Training Academy
      • National institute of preventive and social medicine
      • National Mushroom Development and Extension Centre
      • Pabna University of Science and Technology
      • Seed Certification Agency
      • Shaheed Suhrawardy Medical College
      • Sheikh Hasina University
      • University Grants Commission
      • Youth Training Centre
    • Autonomous/Semi-gov Org
      • Bangladesh Academy for Rural Development
      • Bangladesh Agricultural Development Corporation
      • Bangladesh Atomic Energy Commission
      • Bangladesh Council of Scientific and Industrial Research
      • Bangladesh Fisheries Development Corporation
      • Bangladesh Institute of Development Studies
      • Bangladesh Institute of Management
      • Bangladesh Milk Producers Cooperative Union Limited
      • Bangladesh Water Development Board
      • BIRDEM
      • Center for Environmental and Geographic Information Services
      • Hortex Foundation
      • Institute of Water Modeling
      • National Institute of Biotechnology
      • River Research Institute
      • Rural Development Academy
    • NARS
      • Bangladesh Agricultural Research Council
      • Bangladesh Agricultural Research Institute
      • Bangladesh Fisheries Research Institute
      • Bangladesh Forest Research Institute
      • Bangladesh Institute of Nuclear Agriculture
      • Bangladesh Jute Research Institute
      • Bangladesh Livestock Research Institute
      • Bangladesh Rice Research Institute
      • Bangladesh Sericulture Research and Training Institute
      • Bangladesh Sugarcrop Research Institute
      • Bangladesh Tea Research Institute
      • Bangladesh Wheat and Maize Research Institute
      • Cotton Development Board
      • Soil Resource Development Institute
    • Public University
      • Ahsanullah University of Science and Technology
      • Bangabandhu Sheikh Mujibur Rahman Agricultural University
      • Bangamata Sheikh Fojilatunnesa Mujib Science and Technology University
      • Bangladesh Agricultural University
      • Bangladesh Open University
      • Bangladesh University of Engineering and Technology
      • Bangladesh University of Professionals
      • Bangladesh University of Textiles
      • Barisal Government Veterinary College
      • Begum Rokeya University
      • Chittagong University of Engineering and Technology
      • Chittagong Veterinary and Animal Science University
      • Comilla University
      • Dhaka University of Engineering & Technology
      • Dinajpur Government Veterinary College, Dinajpur
      • Gono Bishwabidyalay
      • Hajee Mohammad Danesh Science and Technology University
      • Islamic University, Kushtia
      • Jagannath University
      • Jahangirnagar University
      • Jessore University of Science and Technology
      • Jhenaidha Government Veterinary College
      • Khulna Agricultural University
      • Khulna University
      • Khulna University of Engineering & Technology
      • Mawlana Bhashani Science and Technology University
      • Millitary Institute of Science and Technology
      • National University
      • Noakhali Science and Technology University
      • Patuakhali Science and Technology University
      • Rajshahi University of Engineering and Technology
      • Shahjalal University of Science & Technology
      • Sher-e-Bangla Agricultural University
      • Sylhet Agricultural University
      • Sylhet Government Veterinary College
      • University of Barisal
      • University of Chittagong
      • University of Dhaka
      • University of Rajshahi
    • Private University
      • Asian University of Bangladesh
      • Atish Dipankar University of Science and Technology
      • BGC Trust University Bangladesh
      • BGMEA University of Fashion & Technology (BUFT)
      • BRAC University
      • City University
      • Daffodil International University
      • East West University
      • Exim Bank Agricultural University
      • Gana Bishwabiddalaya
      • Hamdard University
      • Independent University, Bangladesh
      • International Islamic University Chittagong
      • International University of Business Agriculture and Technology
      • Islamic University of Technology
      • Leading University, Sylhet
      • North South University
      • Premier University
      • Primeasia University
      • Private University
      • SOAS, University of London
      • Southeast University
      • Stamford University
      • State University of Bangladesh
      • The Millenium University
      • University of Asia Pacific
      • University of Development Alternative
      • University of Information Technology and Sciences
      • University of Liberal Arts Bangladesh
      • University of Science and Technology, Chittagong
      • World University
    • INGO/IO/NGO/Private Org
      • ACI Limited
      • Agricultural Advisory Society (AAS)
      • Apex Organic Industries Limited
      • Arannayk Foundation
      • Bangladesh Academy of Sciences
      • Bangladesh Centre for Advanced Studies
      • Bangladesh Institute of Social Research
      • Bangladesh Science Foundation
      • Bangladesh Unnayan Parishad
      • BAPA
      • BRAC
      • CARE Bangladesh
      • CARITAS
      • Centre for Environmental Geographical Information System
      • Centre for Policy Dialogue (CPD)
      • Creative Conservation Alliance
      • Dhaka Ahsania Mission
      • Dwip Unnayan Sangstha
      • EMBASSY OF DENMARK, BANGLADESH
      • Energypac Limited Bangladesh
      • FAO- Bangladesh
      • FIVDB
      • ICDDRB, Mohakhali, Dhaka-1212
      • iDE Bangladesh
      • Innovision Consulting Private Ltd.
      • International Center for Climate Change and Development
      • International Centre for Integrated Mountain Development
      • International Development Research Centre
      • International Fertilizer Development Center, Bangladesh
      • International Food Policy Research Institute
      • International Maize and Wheat Improvement Centre
      • International Potato Center
      • IRRI- Bangladesh
      • IRRI-Philippines
      • Ispahani Agro LTD
      • IUCN, Bangladesh
      • Krishi Gobeshina Foundation
      • Lal Teer
      • Mennonite Central Committee
      • Metal (Pvt.) Ltd
      • Modern Herbal Group
      • Palli Karma-Sahayak Foundation
      • Practical Action Bangladesh
      • Proshika
      • RDRS Bangladesh
      • RIRI-Philippines
      • Rothamsted Research
      • SAARC Agricultural Centre
      • SAARC Meteorological Research Centre
      • Social Upliftment Society
      • South Asia Enterprise Development Facility
      • Square Pharmaceuticals Ltd.
      • Supreme Seed
      • Transparency International Bangladesh
      • Unnayan Onneshan
      • USAID
      • Water Resources Planning Organization
      • Winrock International
      • World Bank
      • World Food Program
      • World Vegetable Center
      • WorldFish Centre, Bangladesh
    • Foreign University
      • Asian Institute of Technology
      • Auckland University of Technology
      • Australian National University
      • Bidhan Chandra Krishi Viswavidyalaya
      • BOKU-University of Natural Resources and Applied Life Sciences
      • Cranfield University
      • Curtin University
      • Foreign University/ Institute
      • Hiroshima University
      • Hokkaido University
      • Huazhong Agricultural University
      • International Islamic University, Malaysia
      • Kagawa University
      • Kangwon National University
      • Kochi University
      • Kyoto University
      • Kyushu University
      • Ladoke Akintola University of Technology
      • Murdoch University
      • Nagoya University
      • NOAA-CREST, CCNY
      • Royal Veterinary and Agricultural University
      • San Diego State University
      • Shinshu University
      • Tottori University
      • United Nations University
      • University Malaysia Kelantan
      • University Malaysia Pahang
      • University Nova de Lisboa
      • University of Alberta
      • University of Bremen
      • University of Bremen
      • University of Calgary
      • University of california
      • University of Greenwich
      • University of Hamburg, Hamburg
      • University of Hannover
      • University of Hawaii
      • University of Helsinki, Finland
      • University of Kalyani
      • University of Leeds
      • University of Liverpool
      • University of Malaya
      • University of Milan
      • University of New England
      • University of Philippines
      • University of Plymouth
      • University of Queensland
      • University of Reading
      • University of Southampton
      • University of Texas
      • University of the Punjab
      • University of Tokyo
      • University of Toronto
      • University of Wales
      • University of Washington
      • University of Wollongong
      • University Putra Malaysia
      • University Sains Malaysia
  • Search
    • Search by Keyword
    • Search by Organization
    • Search by Program Area
    • Search by Commodity/Non-commodity
    • Search by Funding Source
    • Search by Researcher
    • Custom Search
    • On-going Research
  • About Us
    • ARMIS
    • Brochure
  • Contact Us
    • BARC Personnel
    • ARMIS Personnel
    • Feedback
  • Report
    • All
    • By Organization
      • Bangladesh Agricultural Research Council
      • Bangladesh Agricultural Research Institute
      • Bangladesh Fisheries Research Institute
      • Bangladesh Forest Research Institute
      • Bangladesh Institute of Nuclear Agriculture
      • Bangladesh Jute Research Institute
      • Bangladesh Livestock Research Institute
      • Bangladesh Rice Research Institute
      • Bangladesh Sericulture Research and Training Institute
      • Bangladesh Sugarcrop Research Institute
      • Bangladesh Tea Research Institute
      • Bangladesh Wheat and Maize Research Institute
      • Cotton Development Board
      • Soil Resource Development Institute
    • Research Trend Analysis
  • User Request
  • Data Input
  • Help
    • Operation Manual
      • PDF
      • Video
    • Program Area & Commodity
  • We have reached 37600 number of research entries at this moment.
    • Logout

Research Detail

  1. Home
  2. Research
  3. Detail
HAMIDA KHATUN
Department of Botany, University of Dhaka, Dhaka-1000, Bangladesh

SYED HADIUZZAMAN
Department of Botany, University of Dhaka, Dhaka-1000, Bangladesh

A taxonomic account of six species of Pleurocarpous mosses of Bangladesh of the families Symphyodontaceae and Amblystegiaceae under the order  Hookeriales and Hypnobryales respectively are given. 

  Pleurocarpous moss, Hookeriales, Hypnobryales, Symphyodontaceae Amblystegiaceae, Bangladesh
  In Bangladesh
  
  
  Conservation and Biodiversity
  Weed management

To determine the Pleurocarpous Mosses of Bangladesh: Symphyodontaceae and Amblystegiaceae

 

Plant slender, yellow-green, main stem creeping, branches irregularly pinnate, top of the branches fasciculate, became yellowish with age, branches more or less patent, branches and leaves curled when dry. 2 to 3 cm or more long. Leaves more or less complanate and more or less distichous, leaves dense, erectopatent, ovate, slightly concave, gradually narrowed towards tip, acute, sometimes slightly falcate, more or less 1 to 1.5 mm long, 0.4 to 0.5 mm wide, margin entire but apical portion dentate, costa short, double, more or less equal, sometimes unequal. Leaf cells linear to linear-elongate, tip cells irregularly linear up to c. 80 × 5 µm, border cells of tip more broader and shorter, middle cells elongated linear, c.86 × 4.5 µm, alar not distinctly differentiated but cells irregularly rectangular or irregularly quadrate at basal attachment, c. 20 × 8.5 µm, all cells show one papillose development at its tip, cell wall irregularly thickened but more or less thin. Main stem leaves and branch stem leaves more or less similar. Sporophyte on main shoot, sometimes on branch shoot. Perichaetial leaves elongated, narrow c. 2.5 mm long . Seta erect c. 2 cm long, upper portion rough, Capsule curved from apophysis, elongated-cylindric, horizontal, c.1 mm long, and 0.5 mm in diameter, exothecial cells irregularly quadrate containing stomata. Peristome teeth normal, double, exostome yellow-brown, transverse striolation present, c. 3 µm high, endostome is same height and golden-yellow in colour. Specimens examined: Maulvi Bazar: Srimangal, Lawacherra Forest, on soil, Saiful Islam, 03.03.92,325; Sirajganj: Tarash, on soil, Ferdous Alam, 06.12.98, 1443; Sylhet: Golapganj, on soil, Hamida Khatun, 06.01.96, 367. Reddish to blackish yellow, robust plants. Main stem creeping , secondary shoots spreading, pinnately branched, branches sometimes bi- or tri-pinnate, 10 cm or more long. Leaves erectopatent to spreading, ovate lingulate, slightly concave, sometimes one side of the leaf revolute, c.1.5 mm long and 0.5 mm broad, apex acute, margin dentate from middle to top, sometimes also recurved below, somewhat asymmetric. Costa double, short, unequal. Leaf cells very linear elongate c.55 × 5µm at middle, tip cells little shorter than middle cells and c.35.9 ×5 µm, mostly showing a paiplla at upper angle, cells at attachment broader, laxer, quadrate below, and c.20.5 × 20 µm . Main stem leaves and branch leaves more or less similar but branch leaves little smaller, more concave, more ovate than main stem leaves. Sporophyte not found. Robust, medium-sized green to golden-green plants in dense tufts. Main stem usually ascending (prostrate, some branches errect), densely tomentose, c. 6-11 cm. long. Stems spreading or more often, crowded, irregularly or more typically pinnately branched. Paraplyllia present, variable in shape. Stem leaves erect or erect spreading or sometimes secund or slightly falcato-secund, ovate-lanceolate to broadly ovate, rather abruptly acuminate, the acumen usually not flexuose or twisted, decurrent, margins often slightly recurve at extreme base, mildly serrulate nearly all around except extreme base. Costa single, ending below tip c.1.42 mm × 0.7 mm. Leaf cells also reported to be variable. In this case cells smooth, firm-walled, shortly oblong, sometimes oblong-rhomboidal about 3 : 6 to 6 : 1 i. e, ( 40 × 10 µm), cells at next to the tip shortly oblong, at extreme tip slightly elongated rhomboidal up to c. 36 × 11µm , middle cells show variation, sometimes small or sometimes large elongated-rhomboid c. 26.4 × 10.8 µm. Alar cells abruptly differentiated, hyaline or yellow-brown, irregularly rectangular more or less thick-walled c.28 × 12 µm in concave groups. Branch leaves shorter and narrower, crowded erectopatent (erect with flexuose or out-spread tips when dry), lanceolate acuminate, more or less with falcate tips, up to 1.25 mm long. Costa single, ending below tip likely to be percurrent, cells as stem leaf. Sporophyte not found. Specimen examined : Pabna: Raghunathpur, on the bark of tree, Luna Ahmed, 03.03.94, 193. Monoecious, plants in dense carpet, pale green to bright golden green, sometimes brownish in colour. Main stem creeping, more or less 2 cm long, erect, irregularly branched, 1 to 2 cm long, densely foliate, branches more or less 4 to 5 mm long. Leaves more or less 0.91 to 0.95 mm long, 0.3 to 0.4 mm wide, concave, ovate, gradually narrowed into a long acumen, margin plain, basal portion slighty dentate, very faintly toothed, entire above, nerve short, double, unequal, reaching up to 2/3 or 1/4th of leave length. Cells in middle of leaf is variable in size and shape c.77.59 × 6.6 µm, tip cells linear, c. 36.99 × 3 µm, angular cells few, alar cells quadrate to sub-rectangular c.36 × 4.4 µm. Sporophyte on main stem, perichaetial leaf erect, elongated, c. 1.5 mm long, nerve present up to 2/3 of its length. Seta brown, erect, c. 1 cm long, capsule brown , oblong-elongate, exothecial cells irregular in shape, c. 20-30 µm wide, brown and thin-walled. Peristome normal, hypnoid, exostome brown, endstome pale-yellow colour; cilia also present . Plant slender, moderately robust, in loose mats, dioecious, green or yellowish to golden green, more or less glossy when dry. Main stem creeping, irregularly branched, ascending. Leaves crowded, erect to erect spreading from a broad suberect base,c. striolate when dry, 1-2 mm long, 0.3-0.5 mm broad, ovate-lanceolate gradually narrowed to a long slender, channeled acumem, acuminating straight, sometimes recurved, margin entire, costa short, double, unequal, sometimes absent, in few reaching about 1/3 or 1/4th of the leaf length, cells fusiform, smooth, upper cells linear, c. 51 x 4.5 µm at tip, c.7.2 × 3 µm at middle, basal cells thick-walled c.47.7 × 6.6 µm alar cells conspicuously differentiated, large, short, oblong becoming thick-walled c. 14.7 × 11.76 µm and brownish with age. Sporophyte on main stem, perichaetial leaf elongate, errect, nerve less, seta erect, 15-20 mm long, capsule oblong-elongate, 2-3 mm long, c. 1 mm wide. Peristome normal, exostome yellow-brown, endostome pale yellow, cilia also present, basal membrane low. Specimens examined: Maulvi Bazar: Srimangal, on soil, Hamida Khatun, Syeda Humaira Afroz, Md Shahabuddin, Md. Shamim. 29.02.92, 272; Pabna: Atghoria, on soil, Luna Ahmed, 04.03.94, 285.

  Bangladesh J. Plant Taxon. 13(1): 29-40, 2006 (June)
  
Funding Source:
  

During detailed studies on the Pleurocarpous mosses of Bangladesh Khatun and Hadiuzzaman (1994, 1995, 2003, 2004, 2005) found that among the different groups of these mosses, the order Hookeriales is not so common. Two species of the genus Symphyodon of the family Symphyodontaceae are being described in this present paper, namely S. orientales and S. erraticus. Gangulee (1977) described eight species of the genus Symphyodon from eastern India and adjacent regions, but he did not give any information on the occurrence of this genus in Bangladesh. He also mentioed S. orientalis is endemic to Upper Assam and S. erraticus is endemic to Indo-Cylon but both species were found in Bangladesh. Chaetomitrium philippenense Mont. of the family Hookeriaceae under Hookeriales was reported earlier from Bangladesh by Tixier (1967) from Kaptai, Rangamati on twigs in a checklist only, but none from the genus Symphyodon. Very recently Banu- Fattah (2005) reported Distichophyllum schmidtii Broth. of the family Hookeriaceae. This moss is also rare and earlier it was only collected by Sinclair (1955) from Kalatuli, Cox’s Bazar.

  Journal
  


Copyright © 2025. Bangladesh Agricultural Research Council.