View: Full Text Article
M.K. Ratheesh Narayanan1*, C.N. Sunil2, Sidharth Sathyan Nair3, K. Chaithra3 and M.K. Lakshmi Nandana4
1Department of Botany, Payyanur College, Edat P.O., Kannur – 670 327, Kerala, India
2S.N.M. College, Maliankara P.O., Ernakulum – 683 516, Kerala, India
3PG and Research Department of Botany, Sir Syed College, Karimbam P.O, Taliparamba, Kannur – 670 142, Kerala, India (Affiliated to Kannur University)
4School of Agriculture, Lovely Professional University, Phagwara, Punjaab, IN-144411
Email: drratheeshpoduval73@gmail.com
Received-29.04.2026, Revised-14.05.2026, Accepted-30.05.2026
Abstract: A new species of the genusDimeria from northern Kerala, India, Dimeria rajaniana Sunil, Ratheesh & Sidharth, is described. A comprehensive taxonomic account, including its distribution, ecology, and comparison with related taxa, is provided, along with photographic plates of the habit and dissected floral parts to facilitate identification.
Keywords: Coastal, Dimeria, Kannur, Kerala
REFERENCES
Bhat, K.G. and Nagendran, C.R. (2001). Sedges and grasses (Dakshina Kannada and Udupi District). Bishen Singh Mahendra Pal Singh, Dehradun.
Blatter, E. and McCann, C. (1935). The Bombay Grasses. Manager of Publications, Delhi.
Bor, N.L. (1953). Notes on Asiatic grasses XI. The genus Dimeria R.Br. in India & Burma. Kew Bulletin, 7(4): 588–592.
Bor, N.L. (1960). The grasses of Burma, Ceylon, India & Pakistan. Pergamon Press, Oxford.
Brown, R. (1810). Prodromus florae Novae Hollandiae et Insulae van-Diemen, Vol. 1. J. Johnson & Co., London, viii + 145–590 pp. https://doi.org/10.5962/bhl.title.3678
Cooke, T. (1958). Gramineae. In: Flora of the Presidency of Bombay, Vol. 3. Botanical Survey of India, Calcutta, p. 462.
Fischer, C.E.C. (1934). Gramineae. In Gamble, J.S. (Ed.), Flora of the Presidency of Madras, Vol. 3. Adlard & Sons Ltd., London, p. 1713.
Forman, L., Bridson, D. (1989). The Herbarium Handbook, 1st Edition. Royal Botanic Gardens, Kew.
Hooker, J.D. (1897). Flora of British India, Vol. 7. L. Reeve & Co., London, p. 105.
Kellogg, E.A. (2015). Panicoideae Link (1827). In: Kubitzki, K. (Ed.), Flowering Plants: Monocots. Springer International Publishing, Switzerland, pp. 301–302. https://doi.org/10.1007/978-3-319-15332-2_22
Kiran Raj, M.S., Sivadasan, M., Alfarhan, A.H. and Veldkamp, J.F. (2015a). Dimeria raviana (Poaceae: Panicoideae), a new species from Southern Western Ghats, India. Phytotaxa, 195(2): 193–196.
Kiran Raj, M.S., Sivadasan, M., Veldkamp, J.F., Alfarhan, A.H. and Tamimi, A.A.S.M. (2015b). A revised infrageneric classification of Dimeria R.Br. (Poaceae: Andropogoneae). Bangladesh Journal of Plant Taxonomy, 22(1): 47–54.
Kulkarni, B.G. (1988). Flora of Sindhudurg. Botanical Survey of India, Calcutta, p. 520.
Nagaraju, S., Kumari, P., Vivek, C.P., Kothareddy, P.A.A., Kabeer, K., Chorghe, A.R., Chowdhury, S.D., Lakra, R., Bhadra, R. and Prasanna, P.V. (2023). Endemic grasses of India. Nelumbo, 65(1): 281–282.
Naik, M.C., Kumar, M.A.K. and Rao, B.R.P. (2016).On the discovery of Dimeria hohenackeri (Poaceae) from Andaman Islands, a hitherto known endemic and endangered grass species of southwestern Peninsular India. Journal of Threatened Taxa, 8(14): 9678–9680.
POWO (2026). Plants of the World online. Available from: http://www.plantsoftheorldonline. org / (accessed on 24 March 2026).
Prasanna, P.V., Chowdhury, S.D., Arumugam, S., Vivek, C.P., Chorghe, A., Sitrishna, K. and Prasad, K. (2020).Poaceae (Gramineae). In: Mao, A.A. & Dash, S.S. (Eds.), Flowering Plants of India – An Annotated Checklist (Monocotyledons). Botanical Survey of India, Kolkata, pp. 355–358.
Sreekumar, P.V. and Nair, V.J. (1991). Flora of Kerala – Grasses. Botanical Survey of India, Calcutta, pp. 80–101.
Teerawatananon, A., Boontia, Chantarasuwan, B., Hodkinson, T.R. and Sungkaew, S. (2014). A taxonomic revision of the genus Dimeria (Poaceae: Panicoideae) in Thailand. Phytotaxa, 186(3): 137–147.
Vogel, E.F. de. (1987). Guidelines for the Preparation of Revisions. Manual of herbarium taxonomy theory and practice. UNESCO, Jakarta.