Skip to main content Skip to main navigation menu Skip to site footer
Published: 2022-08-04

A novel taxon of the genus Ischaemum (Poaceae: Andropogoneae: Ischaeminae) from southern Western Ghats, Kerala, India

Post Graduate and Research Department of Botany, Govt. Victoria College (University of Calicut), Palakkad, Kerala, PIN 678001, India
Post Graduate and Research Department of Botany, S.N.M. College, Maliankara, Kerala, 683516, India.
PDSH Division, CSIR-National Botanical Research Institute, Rana Pratap Marg, Lucknow, PIN 226001, Uttar Pradesh.
Post Graduate and Research Department of Botany, Govt. Victoria College (University of Calicut), Palakkad, Kerala, PIN 678001, India.
Malabar Botanical Garden & Institute of Plant Sciences, Olavanna, Kozhikkode PIN 673014
Post Graduate and Research Department of Botany, Govt. Victoria College (University of Calicut), Palakkad, Kerala, PIN 678001, India
Distribution Ecology Ischaemum commutatum Taxonomic affinity Palakkad Monocots


Ischaemum sunilii, a new grass species from Nelliyampathy hills of southern Western Ghats, Kerala, India, is described and illustrated. The new species is allied to I. rangacharianum, but differs in many attributes. Description of the new species with distribution, ecology and comparison with its allied taxa are provided.


  1. Bokil, S.A., Choudhary, R.K., Tamhankar, S. & Datar, M.N. (2020) Ischaemum janarthanamii (Poaceae, Andropogoneae), a new species from the Western Ghats, India: evidence from morphological and molecular data. In Annales Botanici Fennici, Vol. 57, No. 4–6. Finnish Zoological and Botanical Publishing Board, pp. 321–330.

  2. Bokil, S.A., Choudhary, R.K., Tamhankar, S. & Datar, M.N. (2021) A novel species of Ischaemum (Poaceae, Andropogoneae) from the northern Western Ghats, India, based on morphological and molecular data. Phytotaxa 501 (1): 171–180.

  3. Bor, N.L. (1960) The Grasses of Burma, Ceylon, India and Pakistan. Pergamon Press, Oxford, 767pp.

  4. Clayton, W.D., Harman, K.T. & Williamson, H. (2006) GrassBase–The Online World Grass Flora. Available from: (accessed 8 May 2021)

  5. Cooke, T. (1908) The Flora of the Presidency of Bombay. Vol. II (Asteraceae—Gramineae). Bishen Singh Mahendra Pal Singh, Dehradun (reprint 2006).

  6. Dumortier, B.C. (1824) Observations sur les graminees de la flore belgique.Tournay, Impr. de J. Casterman, 153 pp.

  7. Fischer, C.E.C. (1934) Gramineae in Gamble, J.S. Flora of the Presidency of Madras. Vol 3. Newman and Adlard, London, West, 670 pp.

  8. Gorade, P., Datar, M.N., Choudhary, R.K. & Pathare, P.S. (2016) Ischaemum agharkarii (Andropogoneae, Poaceae), a new species from Northern Western Ghats, India. Phytotaxa 272 (1): 89–93.

  9. Hackel, E. (1889) Monographiæ phanerogamarum: Prodromi nunc continuatio, nunc revisio. Vol. 6. Masson & Cie.

  10. Hooker, J.D. (1897) Flora of British India. Vol 7. L. Reeve, London, 843 pp.

  11. Karthikeyan, S., Jain, S.K., Nayar, M.P. & Sanjappa, M. (1989) Florae Indicae Enumeratio: Monocotyledonae. BSI, Calcutta.

  12. Kellogg, E., Abbott, J.R., Bawa, K., Gandhi, K., Kailash, B.R., Ganeshaiah, K.N., Shrestha, U.B. & Raven, P. (2020) Checklist of the grasses of India. PhytoKeys 163: 1–560.

  13. Kiranraj, M.S., Sivadasan, M. & Ravi, N. (2003) Grass diversity of Kerala – Endemism and its phytogeographical significance. In: Janardhanam, M.K. & Narasimhan, D. (Eds.) Plant diversity, human welfare and Conservation, Goa. University, Goa, India, pp. 8­–30.

  14. Lakshminarasimhan, P. (1996) Poaceae. In: BD Sharma, S. Karthikeyan, NP Singh, Flora of Maharashtra State, Monocotyledones. Flora of India, Ser. 2. Botanical Survey of India, Calcutta, pp. 513–532.

  15. Link, H.F. (1827) Hortus Regius Botanicus Berolinensis descriptus, ab Henrico Friderico Link. Berolini,Apud G. Reimer, 384 pp.

  16. Linnaeus, C. (1753) Species Plantarum, Vol. II. Holmiae: Impensis Laurentii, 639 pp.

  17. Mabberley, D.J. (2008) Mabberley’s Plant-book: A Portable Dictionary of Plants, Their Classification and Uses. Cambridge University Press, 1021 pp.

  18. Miquel, F.A.W. (1851) Nieuwe Verh. Eerste Kl. Kon. Ned. Inst. Wetensch. Amsterdam. Series 3 (4).

  19. Miquel, F.A.W. (1852) Analecta botanica indica: commentationes de variis stirpibus Asiae australioris. Amsterdam, Sulpke.

  20. Nayar, T.S., Rasiya Beegam, A., Mohanan, N. & Rajkumar, G. (2006) Flowering Plants of Kerala. Tropical Botanical Garden and Research Institute, Thiruvananthapuram, India, 1079 pp.

  21. POWO (2021) Plants of the World Online. Royal Botanic Gardens, Kew. Available from: (accessed 4 June 2021)

  22. Sasidharan, N. (2011) Flowering plants of Kerala: CD-ROM ver 2.0. Kerala Forest Research Institute, Peechi, Kerala.

  23. Sreekumar, P.V. & Nair, V.J. (1991) Flora of Kerala – Grasses. Botanical Survey of India, Calcutta. 470 pp.

  24. Srivastava, S.K. & Nair, V.J. (2010) Genus Ischaemum L. (Poaceae) In India. Nelumbo 52: 63–92.

  25. Sunil, C.N., Madhanan, V.N., Krishnan, C.R., Kumar, V.N., Simi, M.S. & Jyothi, K.J. (2017) A new species of Ischaemum L. (Poaceae) from Kerala, India. Bangladesh Journal of Plant taxonomy 24 (1): 33–38.

  26. Sur, P.R. (2001) A revision of the genus Ischaemum L. (Poaceae) in India. Journal of economic and taxonomic Botany 25 (2): 407–438.

  27. Vajravelu, E. (1990) Flora of Palghat District. Botanical Survey of India, Calcutta, 646 pp.

  28. Wight, R. & Arnott, G.A.W. (1834) Prodromus Florae Peninsulae Indiae Orientalis: containing abridged descriptions of the plants found in the peninsula of British India, arranged according to the natural system: Vol. 1. London: Parbury, Allen & Co., 480 pp.