A new distribution record for the Critically Endangered Madura Swampweed Hygrophila madurensis (N.P. Balakr. & Subr.) Karthik. & Moorthy (Acanthaceae)

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P. Raja
S. Soosairaj
N. Dhatchanamoorthy
A. Kala

Abstract

Hygrophila madurensis (N.P. Balakr. & Subr.) Karthik & Moorthy is a critically endangered herb, has restricted distribution in Eastern Ghats of Tamil Nadu, India. For the first time it is being reported near the Coromandel Coast, adjacent to type locality. Detailed description and images are providing for better identification. 

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References

Arisdason, W. (2011). Hygrophila madurensis. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. . Downloaded on 21 April 2014.

Balakrishnan, N.P. & K. Subramanyam (1963). A New Genus of Acanthaceae from Peninsular India. Journal of the Indian Botanical Society 42: 411–415.

Clarke, C.B. (1885). Acanthaceae, pp. 387–558. In: Hooker, J.D. (ed.). The Flora of British India - 4.

Deng Y.F., C.C. Hu, T.F. Daniel, J. Wood & J.R.I. Wood (2011). Flora of China. Science Press, Beijing, and Missouri Botanical Garden Press, St. Louis, 19: 430-432.

Gamble, J.S. (1924). Flora of the Presidency of Madras - Part VI. Adlard & Sons Co. Ltd., London, 713–714pp.

Hai, D.V. & D.D. Huyen (2012). New record of species Hygrophila episcopalis R. Ben. (R. Ben.) (Acanthaceae) for the flora of Vietnam. TAP CHà SINH HAC 34(2): 187–189.

Henry, A.N., G.R. Kumar & V. Chitra (1987). Flora of Tamil Nadu, India, Ser. I: Analysis. Botanical Survey of India, Coimbatore 2: 613.

IUCN (2013). IUCN Red List of Threatened Species. Version 2013.2. . Downloaded on 21 April 2014.

Karthikeyan, S., M. Sanjappa & S. Moorthy (2009). Flowering Plants of India - Dicotyledons (Acanthaceae - Avicenniaceae). Botanical Survey of India, Kolkata, 1: 22.

Mathew, K.M. (1983). Flora of the Tamilnadu Carnatic - 2. The Rapinat Herbarium, St. Joseph’s College, Tiruchirappalli, 1177–1180pp.

Walter, K.S. & H.J. Gillett (eds.) (1998). IUCN Red List of Threatened Plants. Compiled by the World Conservation Monitoring Centre. IUCN, Gland, 41pp.