Polygala idukkiana (Polygalaceae), a new species from the southern Western Ghats, India





Biodiversity, conservation, flora, Kattadikkadavu, Kottappara, taxonomy


Polygala idukkiana (Polygalaceae) is described as a new species from the Idukki district of Kerala in the southern Western Ghats. Detailed description along with colour photographs, distribution map, and key to the identification of Polygala species occurring in Kerala are provided. The new species is compared with the morphologically allied P. sibirica, P. rosmarinifolia, and P. chinensis. The conservation status of the new species is assessed provisionally as Data Deficient (DD) according to IUCN Red List Categories and Criteria.


Download data is not yet available.


Abbott J.R. 2009. Revision of Badiera (Polygalaceae) and phylogeny of the Polygaleae. Dissertation, University of Florida, Gainesville.

Adema F. 1966. A review of the herbaceous species of Polygala in Malesia (Polygalaceae). Blumea 14: 253-276.

Banerjee R.N. 1993. Polygalaceae. In Sharma B.D. & Balakrishnan N.P. (ed.), Flora of India, vol. 1: 451-493. Botanical Survey of India, Kolkata.

Banerjee R.N. & Balakrishnan N.P. 2005. Polygalaceae. In Daniel P. (ed.), The flora of Kerala, vol. 1: 287-306. Botanical Survey of India, Kolkata.

Bridson D.M. & Forman L. 1991. The Herbarium Handbook. Royal Botanic Gardens, Kew.

Chandrabose M. & Nair N.C. 1981. The genus Polygala L. (Polygalaceae) in Andhra Pradesh, Kerala, and Tamil Nadu (South India). Proceedings of Indian Academy of Science (Plant Sciences) 90: 107-127. https://doi.org/10.1007/BF03167734

Chen S.-K., Ma H.-Y. & Parnell J.A.N. 2008. Polygala. In Wu A.-Y., Raven P.H. & Hong D.Y. (eds.), Flora of China, vol. 11: 141-158. Science Press, Beijing and Missouri Botanical Garden Press, St. Louis.

Chodat R. 1891. Monographia Polygalacearum. Premiere partie. Mémoires de la Société de Physique et d'Histoire Naturelle de Genève 7: 1-143.

Dönmez A.A. & Aydin Z.U. 2018. Polygala azizsancarii (Polygalaceae), a new species from Mardin Province, SE Turkey. Phytotaxa 340: 255-262. https://doi.org/10.11646/phytotaxa.340.3.5

Eriksen B. 1993. Phylogeny of the Polygalaceae and its taxonomic implications. Plant Systematics and Evolution 186: 33-55. https://doi.org/10.1007/BF00937712

Eriksen B. & Persson C. 2007. Polygalaceae. In Kubitzki K. (ed.), The families and genera of vascular plants vol 9: 345-363. Springer, Berlin. https://doi.org/10.1007/978-3-540-32219-1_41

IUCN 2022. Guidelines for using the IUCN Red list Categories and Criteria. Version 15. Prepared by the Standards and Petitions Subcommittee of the IUCN Species Survival Commission.

Kerrigan R.A. 2008. A taxonomic revision of Polygala L. in northern Australia. Thesis, James Cook University, Australia.

Kerrigan R.A. 2012. A treatment for Polygala of northern Australia. Australian Systematic Botany 25: 83-137. https://doi.org/10.1071/SB08032

Mota M., Abbott J.R., Salas R.M., Neubig K.M. & Pastore J.F.B. 2019. Three lonely Argentines: Toward a new generic delimitation in Polygalaceae. Taxon 68: 1-15 https://doi.org/10.1002/tax.12090

Paiva J.A.R. 1998. Polygalarum Africanum et madagascariensium prodromus atque gerontogæi generis Heterosamara Kuntze, a genere Polygala L. segregati et a nobis denuo recepti, synopsis monographica. Fontqueria 50(4): 1-15.

Pastore J.F.B. 2018a. Polygala veadeiroensis (Polygalaceae), a new species of Polygala endemic to Chapada dos Veadeiros, Goiás, Brazil. Kew Bulletin 73: 37. https://doi.org/10.1007/s12225-018-9759-0

Pastore J.F.B. 2018b. A new species and new combination in Polygala sect. Timutua series Timoutoideae from Brazil. Kew Bulletin 73: 51. https://doi.org/10.1007/s12225-018-9773-2

Pastore J.F.B. 2022. Revision of the 'Polygala herbiola group' (Polygalaceae): a new species and a new variety. Kew Bulletin 77: 221-232. https://doi.org/10.1007/s12225-022-10009-4

Pastore J.F.B., Abbott J.R., Neubig K.M., van den Berg C., Mota M., Cabral A. & Whitten W.M. 2019. Phylogeny and biogeography of Polygala (Polygalaceae). Taxon 68: 673-691. https://doi.org/10.1002/tax.12119

Pastore J.F.B., Abbott J.R., Neubig K.M., Whitten W.M., Mascarenhas R.B., Mota M.C.A. & van den Berg C. 2017. A molecular phylogeny and taxonomic notes in Caamembeca (Polygalaceae). Systematic Botany 42: 54-62. https://doi.org/10.1600/036364417X694935

Pastore J.F.B. & Antar G.M. 2021. Two new endangered species of Polygala series Trichospermae (Polygalaceae), endemic to the Cerrado domain, Tocantins State, Brazil. European Journal of Taxonomy 762: 133-148. https://doi.org/10.5852/ejt.2021.762.1459

Pastore J.F.B., Flaviano S.S., Pivari M.O.D., Anastacio A.C.S.A. & Amano E. 2021b. Polygala petricola (Polygalaceae), a new species from Brazil. Edinburgh Journal of Botany 78: 356. https://doi.org/10.24823/EJB.2021.356

Pastore J.F.B., Motta M., Amano E. & Agustina M. 2021a. Disentangling Polygala obovata complex (Polygalaceae), with a description of three new species for Brazil. Systematic Botany 46: 985-997. https://doi.org/10.1600/036364421X16370109698588

Ranjan S.R.K.U.N.D.U. 2009. A synopsis of Polygalaceae in Indian Subcontinent: Its distribution and endemism. Acta Botanica Venezuelica 32: 63-77.

Sarvi A., Beygom F.M. & Shahi S.R. 2020. Polygala mazandaranica (Polygalaceae), a new species from Mazandaran province, North Iran. Phytologia Balcanica 26: 461-469.

Sarvi A., Beygom F.M. & Shahi S.R. 2021. Polygala guilanica (Polygalaceae), a new species from Guilan Province, North Iran. Phytotaxa 513: 141-151. https://doi.org/10.11646/phytotaxa.513.2.5

Simpson M.G. 2006. Plant Systematics. Elsevier Academic Press, London.

Uðurlu A.Z. 2020. Comparative capsule and seed morphology of Polygala L. (Polygalaceae) species in Turkey with implications for taxonomy. Plant Biosystems 154: 189-196. https://doi.org/10.1080/11263504.2019.1588177

Yang A.T.Y & Chen C.F. 2013. A revision of the genus Polygala L. (Polygalaceae) in Taiwan. Taiwania 58: 156-162.

Ying S. 2020. New taxa and new names 3: 97. Available at http://homepage.ntu.edu.tw/~yingshao/New%20taxa%20vol.%203.pdf



How to Cite

Vishnu, M. ., & Nampy, S. . (2022). Polygala idukkiana (Polygalaceae), a new species from the southern Western Ghats, India. Anales Del Jardín Botánico De Madrid, 79(2), e129. https://doi.org/10.3989/ajbm.2641




Funding data