Abstract
Polycarpaea palakkadensis, a new species of Caryophyllaceae from the hillocks of Palakkad District (Kerala, India) is described and illustrated. P. palakkadensis is morphologically similar to P. rangaiahiana from which differs in having fused ovate bracts, capilliform bracteoles, linear stipules, ovate-cordate petals, filaments much shorter than anther, capsule with 1–2 ovoid elliptical seeds.
References
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<p>Daniel, P. (2005) <em>The Flora of Kerala</em>, vol. 1. Botanical Survey of India, Kolkata, 312 pp.</p>
<p>Daniel, P., Venu, P., Muthukumar, S.A., Thiyagaraj, G.J. & Malathi, C.P. (2000) A taxonomic reassessment of the genus <em>Polycarpaea</em> Lam. (Caryophyllaceae) in India. <em>The Swamy Botanical Club</em> 17: 3–12.</p>
<p>Dequan, L. & Gilbert, M.G. (2001) Polycarpaea Lamarck. <em>In</em>: Wu, Z. & Raven, P.H. (Eds.) <em>Flora of China</em> (Caryophyllaceae– Lardizabalaceae), vol. 6. Science Press and Missouri Botanical Garden Press, St Louis, pp. 1–113.</p>
<p>Dunn, S.T. (1915) Ranunculaceae to Opiliaceae.<em> In: </em>Gamble, J.S. (Ed.) <em>Flora of the Presidency of Madras</em>, vol. 1. Allard & Son, London, pp. 1–200.</p>
<p>Edgeworth, M.P. & Hooker, J.D. (1874) Caryophyllaceae. <em>In</em>: Hooker, J.D. (Ed.) <em>The Flora of British India</em>, vol. 4. L. Reeve & Co., London, pp. 212–246.</p>
<p>Geethakumary, M.P., Deepu, S., Viji, A.R. & Pandurangan, A.G. (2019) A new species of Polycarpaea (Caryophyllaceae) from India. <em>Phytotaxa</em> 414 (4): 181–186. https://doi.org/10.11646/phytotaxa.414.4.4</p>
<p>IUCN (2021) <em>Guidelines for using the IUCN Red List Categories and Criteria</em>. Version 11. Prepared by the standards and petitions subcommittee. Available from: http://www.iucnredlist.org/documents/RedListGuidelines.pdf (accessed 12 September 2021)</p>
<p>Lamarck, J.-B. (1792) Sur le nouveau <em>Policarpaea</em>. <em>Journal d’Histoire Naturelle</em> 2: 3–9.</p>
<p>Mabberley, D.J. (2008) <em>Mabberley’s plant-book: a portable dictionary of plants, their classifications, and uses</em>. Cambridge University Press, Cambridge, 1021 pp.</p>
<p>Majumdar, N.C. (1993) Caryophyllaceae. <em>In</em>: Sharma, B.D. & Balakrishnan, N.P. (Ed<em>.) Flora of India</em>, vol. 2. Botanical Survey of India, Calcutta, pp. 502–595.</p>
<p>Mastakar, V.K., Lakshminarasimhan, P. & Modak, M. (2015) A report on the extended distribution of <em>Polycarpaea aurea</em> (Caryophyllaceae), An endemic herbaceous species to Chota Nagpur Plateau, Jharkhand, India. <em>Journal of Threatened Taxa </em>7 (12): 7950–7952. https://doi.org/10.11609/JoTT.o4268.7950-2</p>
<p>Roxburgh, William (1814) <em>Hortus Bengalensis or a catalogue of the plants Growing in the Hounourable East India Company’ s Botanical Garden at Calcutta</em>, 57 pp.</p>
<p>Thiers, B. (2021 [continuously updated]) <em>Index Herbariorum: A global directory of public herbaria and associated staff. New York Botanical Garden’s Virtual Herbarium</em>. Available from: https://sweetgum.nybg/org/ih (accessed 13 September 2021)</p>
<p>Venu, P., Muthukumar, S.A. & Daniel, P. (2001) <em>Polycarpaea majumdariana</em> (Caryophyllaceae)—a new species from Tamil Nadu, India. <em>Nordic Journal of Botany </em>21 (6): 577–579. https://doi.org/10.1111/j.1756-1051.2001.tb00813.x</p>
<p>Wight, R. (1843) <em>Icones Plantarum Indiae Orientalis</em>, Vol. 2. J. B. Pharoah, Madras, 33 (explanations) + 417 (plates) pp.</p>
<p>Wight, R. (1850) <em>Illustrations of Indian Botany</em>, vol. 2. American Mission Press, Madras, 230 pp.</p>