Abstract
A new species, Hedyotis recurvata is described from Avalanche, in the Nilgiris district of Tamil Nadu, India. The details on phenology, distribution and photographs along with a comparison chart of allied species are provided here.
References
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Groeninckx, I., Ochoterena, H., Smets, E.E. &Dessein, S. (2010c) Molecular phylogenetic and morphological study of Kohautia (Spermacoceae, Rubiaceae), with the recognition of the new genus Cordylostigma. Taxon 59 (5): 1457–1471. https://doi.org/10.1002/tax.595011
Guo, X., Simmons, M.P., But, P.P.H., Shaw, P.C. & Wang, R.J. (2011) Application of DNA barcodes in Hedyotis L. (Spermacoceae, Rubiaceae). Journal of systematics and Evolution 49 (3): 203–212. https://doi.org/10.1111/j.1759-6831.2011.00130.x
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Lamarck, J.B.A.P.M. de (1792) Tableau encyclopedique et methodique des trois reÌgnes de la nature. Botanique, Vol. 1. Chez Pancoucke, Paris, pp. 269–272. https://doi.org/10.5962/bhl.title.218
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Nandikar, M.D. & Bramhadande S.P. (2021) Revisiting the Hedyotis–Oldenlandia complex in India, with a note on Scleromitrion. Edinburgh Journal of Botany 78: 1–17. https://doi.org/10.24823/EJB.2021.387
Neupane, S., Dessein, S. & Motley, T.J. (2009) The Hedyotis–Oldenlandia–Kohautia complex (Rubiaceae) in Nepal: A study of fruit, seed and pollen characters and their taxonomic Significance. Edinburgh Journal of Botany 66: 371–390. https://doi.org/10.1017/S0960428609990035
POWO (2022) Plants of the World Online. Royal Botanic Gardens, Kew. Available from: http://www.plantsoftheworldonline.org/ (accessed 10 January 2022)
QGIS DEVELOPMENT TEAM (2022) QGIS Geographic Information System. QGIS 3.24.1-Tisler. Open Source Geospatial Foundation Project. [ http://qgis.osgeo.org]
Rao, R.S. & Hemadri, K. (1973) The genus Hedyotis Linn. in Maharashtra state. Indian Forester 99 (6): 372–379.
Singh, P., Karthigeyan, K., Lakshminarasimhan, P. & Dash, S.S. (2015) Endemic Vascular Plants of India, Botanical Survey of India, Kolkata.
Terrell, E.E. & Robinson, H. (2003) Survey of Asian and Pacific species of Hedyotis and Exallage (Rubiaceae) with nomenclatural notes on Hedyotis types. Taxon 52: 775–782. https://doi.org/10.2307/3647351
Wikstrom, N., Neupane, S., Karehed, J., Motley, T.J. & Bremer, B. (2013) Phylogeny of Hedyotis (Rubiaceae: Spermacoceae): Redefining a complex Asian Pacific assemblage. Taxon 62 (2): 357–354. https://doi.org/10.12705/622.2
Dutta, R. & Deb, D.B. (2004) Taxonomic revision of Hedyotis L. (Rubiaceae) in Indian subcontinent. Botanical Survey of India, Kolkata, 211 pp.
Bridson, D. & Forman, L. (1991) The Herbarium Handbook. Royal Botanic Gardens, Kew, 299 pp.
Gamble, J.S. (1921) Flora of the Presidency of Madras, Part IV (Rubiaceae to Ebenaceae). Adlard & Son, London, 1346 pp.
Govaerts, R., Ruhsam, M.., Andersson, L., Robbrecht, E., Bridson, D., Davis, A., Schanzer, I. &. Sonk, B. (2022) World Checklist of Rubiaceae. Royal Botanic Gardens, Kew. Available from: http://wcsp.science.kew.org/ (accessed 10 January 2022)
Groeninckx, I., Dessein, S., Ochoterena, H., Persson, C., Motley, T.J., Karehed, J., Bremer, B., Huysmans, S. & Smets, E. (2009) Phylogeny of the herbaceous tribe Spermacoceae (Rubiaceae) based on plastid DNA data. Annals of Missouri Botanical Gardens 96: 109–132. https://doi.org/10.3417/2006201
Groeninckx, I., Block, P. De., Robbrecht, E., Smets, E.E. & Dessein, S. (2010a) Amphistemon and Thamnoldenlandia, two new genera of Rubiaceae (Spermacoceae) endemic to Madagascar. Botanical Journal of Linnaean Society 163 (4): 447–472. https://doi.org/10.1111/j.1095-8339.2010.01060.x
Groeninckx, I., Briggs. M., Davis, A. P., Block, P. De., Robbrecht, E., Smets, E.E. & Dessein, S. (2010b) A new herbaceous genus endemic to Madagascar: Phialiphora (Spermacoceae, Rubiaceae). Taxon 59 (6): 1815–1829. https://doi.org/10.1002/tax.596013
Groeninckx, I., Ochoterena, H., Smets, E.E. &Dessein, S. (2010c) Molecular phylogenetic and morphological study of Kohautia (Spermacoceae, Rubiaceae), with the recognition of the new genus Cordylostigma. Taxon 59 (5): 1457–1471. https://doi.org/10.1002/tax.595011
Guo, X., Simmons, M.P., But, P.P.H., Shaw, P.C. & Wang, R.J. (2011) Application of DNA barcodes in Hedyotis L. (Spermacoceae, Rubiaceae). Journal of systematics and Evolution 49 (3): 203–212. https://doi.org/10.1111/j.1759-6831.2011.00130.x
Guo, X., Wang, R.J., Simmons, M.P., But, P.P.H. & Yu, J. (2013) Phylogeny of the Asian Hedyotis-Oldenlandia complex (Spermacoceae, Rubiaceae): Evidence for high levels of Polyphyly and the parallel evolution of diplophragmous capsules. Moleccular Phylogenetics and Evolution 67: 110–122. https://doi.org/10.1016/j.ympev.2013.01.006
Hooker, J.D. (1880) Flora of British India. Vol. 3. L. Reeve & Co., London.
IUCN Standards and Petitions Subcommittee (2022) Guidelines for using the IUCN Red list categories and criteria, Version 15. Available from: https://www.iucnredlist.org/documents/RedListGuidelines.pdf. (accessed 28 February 2022)
Jussieu, A.L.de (1789) Genera Plantarum. Herissant & Barrois, Paris, p. 206.
Karehed, J., Groeninckx, I., Dessein, S., Motley, T.J. & Bremer, B. (2008) The phylogenetic utility of chloroplast and nuclear DNA markers and the phylogeny of the Rubiaceae tribe Spermacoceae. Molecular Phylogenetics and Evolution 49: 843–866. https://doi.org/10.1016/j.ympev.2008.09.025
Lamarck, J.B.A.P.M. de (1792) Tableau encyclopedique et methodique des trois reÌgnes de la nature. Botanique, Vol. 1. Chez Pancoucke, Paris, pp. 269–272. https://doi.org/10.5962/bhl.title.218
Linnaeus, C. (1753) Species Plantarum. Vol. 1. Laurentii Salvii, Stockholm, 560 pp.
Nandikar, M.D. & Bramhadande S.P. (2021) Revisiting the Hedyotis–Oldenlandia complex in India, with a note on Scleromitrion. Edinburgh Journal of Botany 78: 1–17. https://doi.org/10.24823/EJB.2021.387
Neupane, S., Dessein, S. & Motley, T.J. (2009) The Hedyotis–Oldenlandia–Kohautia complex (Rubiaceae) in Nepal: A study of fruit, seed and pollen characters and their taxonomic Significance. Edinburgh Journal of Botany 66: 371–390. https://doi.org/10.1017/S0960428609990035
POWO (2022) Plants of the World Online. Royal Botanic Gardens, Kew. Available from: http://www.plantsoftheworldonline.org/ (accessed 10 January 2022)
QGIS DEVELOPMENT TEAM (2022) QGIS Geographic Information System. QGIS 3.24.1-Tisler. Open Source Geospatial Foundation Project. [ http://qgis.osgeo.org]
Rao, R.S. & Hemadri, K. (1973) The genus Hedyotis Linn. in Maharashtra state. Indian Forester 99 (6): 372–379.
Singh, P., Karthigeyan, K., Lakshminarasimhan, P. & Dash, S.S. (2015) Endemic Vascular Plants of India, Botanical Survey of India, Kolkata.
Terrell, E.E. & Robinson, H. (2003) Survey of Asian and Pacific species of Hedyotis and Exallage (Rubiaceae) with nomenclatural notes on Hedyotis types. Taxon 52: 775–782. https://doi.org/10.2307/3647351
Wikstrom, N., Neupane, S., Karehed, J., Motley, T.J. & Bremer, B. (2013) Phylogeny of Hedyotis (Rubiaceae: Spermacoceae): Redefining a complex Asian Pacific assemblage. Taxon 62 (2): 357–354. https://doi.org/10.12705/622.2