A Checklist of Angiosperm Flora of Lateritic Hillock of Thoranamalai, Tamil Nadu, India

S. Ramarajan; Laxmanan Prakash; A. Saravana Gandhi

doi:10.36808/if/2026/v152i2/165630

A Checklist of Angiosperm Flora of Lateritic Hillock of Thoranamalai, Tamil Nadu, India

Authors

S. Ramarajan Department of Consultancy, Hubert Enviro Care Systems Pvt Ltd, Chennai – 600 032
Laxmanan Prakash Division of Landscape Ecology, Sálim Ali Centre for Ornithology & Natural History, Anaikatty, Coimbatore, Tamil Nadu-642 108
A. Saravana Gandhi Department of Botany, Rani Anna Govt. College for Women, Tirunelveli, Tamil Nadu -627 008

DOI:

https://doi.org/10.36808/if/2026/v152i2/165630

Keywords:

Thoranamalai, Tenkasi, Flora, Checklist, Tamil Nadu.

Abstract

The paper deals with the floral diversity of Thoranamalai hills of Tenkasi district, Tamil Nadu. In the present study, 428 taxa belonging to 264 genera, represented 69 families were recorded. Out of 428 species, herbs were predominant followed by trees, shrubs, grasses and climbers. The families with the greatest number of species included Poaceae (54 species), Fabaceae (38 species), Euphorbiaceae (27 species), Rubiaceae (20 species), Malvaceae (18 species) and Acanthaceae (18 species) and represent over 41% of the species collected.

References

Arachi J.K. (1978). Weeds - a monograph on weeds of Tamil Nadu. Palms publication Tirunelveli, Tamil Nadu.

Beddome R.H. (1877). The forest and flora of Tirunelvelly district. Indian Forester,3: 19-25. Filgueiras T.S., Nogueira P.E., Brochado A.L. and Guala G.F.

(1994). Caminhamento: um métodoexpedito para levantamentos florísticos qualitativos. Cadernos de Geociências,12: 39-43.

Gamble J.S. and Fischer C.E.C. (1915-1935). Flora of Presidency of Madras, Adlard and Son, London. pp. 1-3.

Henry A.N., Kumari G.R. and Chithra V. (1981). Flora of Tamil Nadu, India: Series I – Analysis. Botanical Survey of India, Coimbatore.

Henry A.N., Kumari G.R. and Chithra V. (1983). Flora of Tamil Nadu, India: Series II – Monocotyledons. Botanical Survey of India, Coimbatore.

Henry A.N., Kumari G.R. and Chithra V. (1989). Flora of Tamil Nadu, India: Series III – Dicotyledons. Botanical Survey of India, Coimbatore.

Hooker J.D. (ed.) (1872-1897). The flora of British India. Vols. 1-7. Reeve & Co., London.

Jeya Jothi (2001). Floristic diversity of Euphorbiaceae in Tirunelveli hills, Ph.D. thesis. St. Xaviers College, Palayamkottai, Tirunelveli, Tamil Nadu, India.

Kabeer K.A.A. and Nair V.J. (2009). Flora of Tamil Nadu Grasses. Botanical Survey of India, Calcutta. 525 p.

Kalavathy U. (2004). Taxonomic studies of the monocots of Tirunelveli hills, Ph.D thesis. St. Xaviers College, Palayamkottai, Tirunelveli, Tamil Nadu, India.

Manickam V.S., Jeya Jothi G., Murugan C. and Sundaresan V. (2003). Check-list of the flora of Tirunelveli Hills, Southern Western Ghats, India. Centre for Biodiversity and Biotechnology, St. Xavier's College, Palayamkottai, Tamil Nadu, India.

Mohanan M. and Henry A.N. (1994). Flora of Thiruvananthapuram, Trivandrum. Botanical Survey of India. 621 p.

Mudaliar C.M. and Sundararaj D.D. (1954a). Contributions to the flora of Tirunelveli district – I. Journal of the Madras University, 24: 1–20.

Mudaliar C.M. and Sundararaj D.D. (1954b). Contributions to the flora of Tirunelveli district – II. Journal of the Madras University, 25: 45–68.

Nair N.C. and Nayar M.P. (1986). Flora of Courtallam. Botanical Survey of India, Coimbatore.

Ramaswamy M.S. (1914). A botanical flora in the Tirunelveli hills. Rec. Botanical Survey of India,6(5):105-171.

Rangachari K. (1919). A note on the flora of Tirunelveli district. Madras Agricultural Department. Year book, 95-109.

Santapau H. and Henry A.N. (1994). A dictionary of the flowering plants in India, New Delhi: CSIR, 198 p.

Shankaranarayanan K.A. (1960). The vegetation of Tirunelveli district. J. Bombay Nat. Hist. Soc.,39: 474-479.

Subramanyam K. and Henry A.N. (1973). The vegetation of Agasthyamalai hills and surrounding regions in Tirunelveli district, Tamil Nadu. Proc. 22 Indian Sci. Congr III, 340.

Vanila D. (2003). Floristic diversity of Tirunelveli plains, Tamil Nadu, Ph.D. thesis. St. Xaviers College, Palayamkottai, Tirunelveli, Tamil Nadu, India.

Watve A. (2013). Status review of Rocky plateaus in the northern Western Ghats and Konkan region of Maharashtra, India with recommendations for conservation and management. J. Threat. Taxa,5: 3935-3962.