Diversity of Vascular Plants Associated with Wetland Paddy Fields (Vayals) of Wayanad District in Western Ghats, India

Parameswaran Prajeesh*, Ratheesh Narayanan MK, Anil Kumar N.


A study was conducted in Wayanad District of Kerala, India during 2011-2012 to document the diversity of vascular plants associated with wetland paddy fields (vayals). The plants were recorded from the paddy fields and paddy levees; stream sides, parts of homesteads, wasteland and road sides in the immediate vicinity of the paddy fields. One Hundred and Eighty Nine (189) genera (178 Angiosperm genera-nearly 20% of the total genera reported from the District and 11 Pteridophyte genera) were recorded. The total number of species recorded was 319 (308 Angiosperms, 11 Pteridophytes) which included 233 herbs, 40 shrubs, 17 climbers and 29 trees. Seventy Two (72) families (66 Angiosperms, 6 Pteridophytes) were recorded and the highest number of species was represented by Cyperaceae (34) followed by Poaceae (33), Asteraceae (27), Fabaceae (25), Scrophulariaceae (18) and Malvaceae (13).


Paddy Fields; Vayal; Wayanad; Western Ghats

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Abdul Salam AK, Ecological and environmental impact of conversion of paddy fields into banana cultivation Wayanad, Unpublished Masters Dissertation, University of Calicut, Kerala, 2004.

Anju K Poulose, Flora associated with paddy fields; it’s medicinal, culinary and cultural importance-a case study from Wayanad District, Unpublished Masters Dissertation, University of Calicut, Kerala, 2010.

Anon, Phase I Completion Report on Conservation, Enhancement and Sustainable and Equitable Use of Biodiversity, M.S. Swaminathan Research Foundation, Chennai, submitted to the Swiss Agency for Development and Co-operation, New Delhi, India, 2001.

Bambaradeniya CNB, Edirisinghe JP, De Silva DN, Gunatilleke CVS, Ranawana KB & Wijekoon S, Biodiversity associated with an irrigated rice agro-ecosystem in Sri Lanka, Biodiversity and Conservation 2003, 13:9, 1715 – 1753.

Datta S and A Banerjee, Useful weeds of West Bengal rice fields, Economic Botany, 1978, 32(3): 297-310.

Debachere MC, Problems in obtaining grey literature, IFLA Journal 1995, 21 (2): 94–98. http://ifl.sagepub.com/content/21/2/94; last accessed 28th January, 2014.

DES, Statistics for Planning, Department of Economics and Statistics: Government of Kerala, Thiruvananthapuram, Kerala, 1983.

DES, Agricultural Statistics, Department of Economics and Statistics: Government of Kerala, Thiruvananthapuram, Kerala, 2013. http://www.ecostat.kerala.gov.in/index.php/reports/154.html; Last accessed, 28th January, 2014.

Geographical Indication Registry, Govt of India, Geographical Indications Journal 2010, 34,75-97. http://ipindia.nic.in/girindia/journal/Journal_34.pdf. Last accessed, 28th January, 2014.

Girigan G, Kumar NA and Arivudai Nambi V, ‘Vayals: A traditional classification of agricultural landscapes’, LEISA India, 2004, vol 6, no 4, 27-28.

Gopalan Nair C, Wayanad-its peoples and traditions, Madras Manual of Administration, 1911, Vol.111, Madras.

Gopikuttan G and Parameswara Kurup KN, Paddy Land Conversion in Kerala, An Inquiry Into Ecological and Economic Aspects in a Midland Watershed Region, Final Report, Kerala Research Program on Local Level Development, Centre for Development Studies, Thiruvananthapuram, India, 2004.

John CM, VP Sylas, Joby Paul KS Unni, Floating islands in a tropical wetland of peninsular India Wetlands, Ecol. Manage., 2009, 17:641–653.

John Thomas K, Sreekumar S, Jaya Cheriyan, Muriyad Wetlands: Ecological Changes and Human Consequences. Project report submitted to Kerala Research Programme on Local Development, Centre for Developmental Studies, Thiruvanandapuram. Christ College Irinajakuda, Kerala, 2003.

Joseph KT, Flora of Wetlands, In: M. Jayakumar (Ed.) Wetland conservation and management in Kerala, Kerala State Council for Science Technology and Environment, Thiruvananthapuram, Kerala, 2002, 69-84.

Kerala Agricultural University, Package of Practices Recommendations: Crops, Kerala Agricultural University, Thrissur, 2011, 14th Edition, 360.

Kosaka Yasuyuki, Takeda Shinya, Sithirajvongsa Saysana and Xaydala Khamleck, Plant Diversity in Paddy Fields in Relation to Agricultural Practices in Savannakhet Province, Laos. Economic Botany. 2006, 60, 49-61.

Millennium Ecosystem Assessment, Ecosystems and Human Well-being: Biodiversity Synthesis, World Resources Institute, Washington, DC, 2005.

Mini V, N Anil Kumar and PV Madhusoodanan, Diversity of Pteridophytes in Wayanad – District, Kerala. Indian Fern J., 2013, 30:83-94.

Nadesapanicker Anil Kumar, Girigan Gopi & Parameswaran Prajeesh, Genetic Erosion and Degradation of Ecosystem Services of Wetland Rice Fields: A Case Study from Western Ghats, India. In: Stewart Lockie and David Carpenter (Ed.) Agriculture, Biodiversity and Markets, Earthscan publishers, 2010, 137-153.

National Informatics Centre, Ministry of Communications and Information Technology, Government of India. http://wayanad.gov.in/climate.htm. Last accessed 28th January, 2014.

ORGCCI (Office of the Registrar General and Census Commissioner, India, Census of India 2011, Government of India New Delhi. http://www.censusindia.gov.in/Census_Data_2001/Census_Data_Online/Population/Total_Population.aspx. Last accessed 28th January, 2014.

ORGCCI (Office of the Registrar General and Census Commissioner, India, Census of India 2011, Government of India New Delhi. http://www.censusindia.gov.in/Census_Data_2001/Census_Data_Online/Population/ST_Population.aspx. Last accessed 28th January, 2014.

Pimental D, Stachow U, Takacs D, Brubaker HW, Dumas AR, Meaney JJ, O'neil JAS, Onsi, DE, & Corzilius DB, Conserving biological diversity in agricultural/forestry systems, BioScience, 1992, 42 (5): 354-362.

Pramod C, Taxonomy and Ethnobotany of plants conserved by Kurichya community of Wayanad District for their magico-religious purposes, Unpublished Masters Dissertation, University of Calicut, Kerala, 2002.

Prajeesh P, The Paddy Field Ecosystem - A Scientific assessment and community mobilization towards an integrated approach in conservation, Unpublished Report, M. S. Swaminathan Research Foundation, Puthoorvayal, Kerala, 2009.

Ratheesh Narayanan MK, Swapna MP and Kumar, Anil N, Gender Dimensions of Wild Food Management in Wayanad, Kerala. M.S.Swaminathan Research Foundation, 2004, MSSRF/RR/04/12.

Ratheesh Narayanan MK, Floristic study of Wayanad District giving special emphasis on conservation of Rare and Threatened plants, Unpublished Doctoral Dissertation, University of Calicut, Kerala, 2009.

Reshmi D, Ethnobotany of Flowering plant diversity associated with paddy fields: A case from Wayanad, Unpublished Masters Dissertation, University of Calicut, Kerala, 2005.

Rijula AK, Multiple uses of Wild edible plants used by tribes of Wayanad District in Kerala, Unpublished Masters Dissertation, University of Calicut, Kerala, 2006.

Sabu T and Babu Ambat, Floristic Analysis of Wetlands of Kerala. Proceedings of the Kerala Environment Congress 2007, Thiruvananthapuram Centre for Environment and Development, Thiruvananthapuram, 2007.

Sanil Kumar MG, K John Thomas, Indigenous medicinal usage of some macrophytes of the Muriyad wetland in Vembanad-Kol, Ramsar site, Kerala. Indian Journal of Traditional Knowledge, 2007, 6(2), 365-367.

Sasidharan N, Flowering Plants of Kerala ver.2.0. Kerala Forest Research Institute, Peechi, Kerala, India, 2011.

Sujana KA and C Sivaperuman, Preliminary Studies on Flora of Kole Wetlands, Thrissur, Kerala. Indian Forester, 2008, 134(8) 1079-1086.

Tomita S, E Nawata, Y Kono T Inamura Y Nagata, C Noichana and A Sributta, Impact of direct dry seeding on rainfed paddy vegetation in north-east Thailand. Weed Biology and Management 2003, 3:68-76.

Vinayachandran N and VS Joji, Ground Water Information Booklet 0f Wayanad District, Kerala State, Central Ground Water Board, Ministry of Water Resources, Govt of India, Thiruvananthapuram,2007. http://cgwb.gov.in/District_Profile/Kerala/Wayanad.pdf. 7. Last accessed 28th January, 2014.

Yamaguchi H and S Umernoto, Classification of paddy levees in terms of plant resource complex, Weed Research, Japan, 1996, 41:286-294 (in Japanese with English summary).

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