Abstract
Eriocaulon pandeyana from the Idukki district in Kerala is here described as a new species of Eriocaulaceae. It closely resembles E. ramnadense but is distinct by having oblong-lanceolate, lobed, acute, hyaline involucral bracts, oblanceolate, acuminate floral bracts, 3 sub-equal male petals, 3 unequal, slightly hoary female sepals and yellow, elliptic seeds with transversely elongated or isodiametric seed coat cells. The differences between the other similar species are also discussed. Since adequate data on abundance and distribution are lacking, the new species is provisionally listed under the category Data Deficient (DD) as per IUCN Red List Categories and Criteria.
References
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<p>Francis, D., Mohan, V., Venugopal, D.K. & Nampy, S. (2020) A new species of <em>Eriocaulon</em> (Eriocaulaceae) from the southern Western Ghats of Kerala, India. <em>Edinburgh Journal of Botany</em> 77 (2): 281–290.</p>
<p> https://doi.org/10.1017/S0960428620000013</p>
<p>Fyson, P.F. (1919) The Indian species of <em>Eriocaulon</em>. <em>Journal of Indian Botany</em> 1: 49–53.</p>
<p>Fyson, P.F. (1921) The Indian species of <em>Eriocaulon</em>. <em>Journal of Indian Botany </em>2: 133–150, 192–207, 259–266, 307–320.</p>
<p>Fyson, P.F. (1922) The Indian species of <em>Eriocaulon. Journal of Indian Botany </em>3 (12–18): 91–115.</p>
<p>Giulietti, A.M., Andrade, M.J.G., Scatena, V.L., Trovo, M., Coan, A.I., Sano, P.T., Santos, F.A.R., Borges, R.L.B. & van den Berg, C. (2012) Molecular phylogeny, morphology and their implications for the taxonomy of Eriocaulaceae. <em>Rodriguesia</em> 63: 1–19.</p>
<p> https://doi.org/10.1590/S2175-78602012000100001</p>
<p>Govaerts, R., Dransfield, J., Zona, S., Hodel, D.R. & Henderson, A. (2021) World Checklist of <em>Eriocaulaceae</em>. Facilitated by the Royal Botanic Gardens, Kew. Available from: http://wcsp.science.kew.org/ (accessed 29 May 2021)</p>
<p>Hooker, J.D. (1893) <em>Flora of British India.</em> Vol. 6. L. Reeve & Co., London, 578 pp.</p>
<p>IUCN (2012) IUCN Red List Categories and Criteria, version 3.1, 2nd edition. IUCN Species Survival Commission. Gland, Switzerland, and Cambridge: International Union for Conservation of Nature. Available from: https://portals.iucn.org/library/sites/library/files/documents/RL-2001-001-2nd.pdf (accessed 13 July 2021)</p>
<p>IUCN Red List Guidelines (2019) Guidlines for using the IUCN Red List Categories and criteria, Version 14. Prepared by the Standards and Petitions Committee of the IUCN Species Survival Commission. Available from: http://www.iucnredlist.org/documents/RedListGuidelines.pdf (accessed 13 July 2021)</p>
<p>Khanna, K.K., Mudgal, V. & Kumar, A. (2001) A new species of <em>Eriocaulon</em> (Eriocaulaceae) from Madhya Pradesh, India. <em>Nordic Journal of Botany</em> 20 (4): 413–414. https://doi.org/10.1111/j.1756-1051.2000.tb01581.x</p>
<p>Khanna, K.K. & Kumar, A. (2019) Three new species of <em>Eriocaulon </em>L. (Eriocaulaceae) from India. <em>Biological Forum – An International Journal</em> 11 (2): 21–26.</p>
<p>Larridon, I., Tanaka, N., Liang, Y., Phillips, S.M., Barfod, A.S., Cho, S.H., Gale, S.W., Jobson, R.W., Kim, Y.D., Li, J., Muasya, A.M., Parnell, J.A.N., Prajaksood, A., Shutoh, K., Souladeth, P., Tagane, S., Tanaka, N., Yano, O., Mesterhazy, A., Newman, M.F. & Ito, Y. (2019) First molecular phylogenetic insights into the evolution of <em>Eriocaulon</em> (Eriocaulaceae, Poales). <em>Journal of Plant Research</em> 132 (5): 589–600. https://doi.org/10.1007/s10265-019-01129-3</p>
<p>Leach, J.G. (2017) A revision of Australian <em>Eriocaulon</em> (Eriocaulaceae). <em>Telopea</em> 20: 205–259. https://doi.org/10.7751/telopea11531</p>
<p>Linnaeus, C. (1753) <em>Species Plantarum</em>. Vol. 1. Imprensis Laurentii Salvii, Homiae, 87 pp.</p>
<p>Ma, W.L., Zhang, Z. & Stutzel, T. (2000) <em>Eriocaulaceae</em>. <em>In:</em> Wu, Z.Y. & Raven, P.H. (Eds.) <em>Flora of China</em>. Vol. 24. Science Press, Beijing, and Missouri Botanical Garden Press, St. Louis. pp. 7–17. [http://flora .huh.harva rd.edu/china/mss/volume24/ERIOCAULACEAE.published.pdf]</p>
<p>Manudev, K.M., Robi, A.J. & Nampy, S. (2015) <em>Eriocaulon biappendiculatum</em>, a new species of Eriocaulaceae from the southern Western Ghats, India. <em>Edinburgh Journal of Botany</em> 72 (2): 219–223. https://doi.org/1017/S0960428615000086 </p>
<p>Manudev, K.M., Robi, A.J & Nampy, S. (2017) <em>Eriocaulon idukkianum</em>, a new tuberous species of Eriocaulaceae from the southern Western Ghats, India. <em>Phytotaxa</em> 324 (3): 288–292. https://doi.org/10.11646/phytotaxa.324.3.5</p>
<p>Martinov, I.I. (1820) <em>Tekhno-Botanico Slovar</em>, (Techno-Botanical Dictionary). V tip. Imperatorskoĭ rossîĭskoĭ akademîi, Sanktpeterburgie [Saint Petersburg], 682 pp.</p>
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