Hedyotis hirsutissima Bedd. (1864:49)
Taxonomy & Nomenclature
Synonyms: Oldenlandia hirsutissima (Bedd.) Kuntze in Revis. Gen. Pl. 1: 292 (1891); Hedyotis indirae K.M.P.Kumar & Aiswarya in Webbia 74: 276 (2019)
Conservation Status
Last record: c.1837 (Nayar & Sastry, 1987:327)
Rediscovered by Shetty pre-2005 (Noble, 2004:61)
Still listed as Extinct by (Humphreys et al., 2019; Sivaraj et al., 2020; Christenhusz & Govaerts, 2024)
Distribution
Kerala & Tamil Nadu, India
Biology & Ecology
Hypodigm
Media
References
Christenhusz, Maarten J. M. and Govaerts, Rafaël. (2024). Plant extinction in the Anthropocene. Botanical Journal of the Linnean Society. https://doi.org/10.1093/botlinnean/boae045 [Appendix S1]
Dutta, R. and Deb, D. B. (2004). Taxonomic Revision of Hedyotis L. (Rubiaceae) in Indian Sub-Continent: 1-211. Botanical Survey of India, Howran.
Govaerts, R. (2003). World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew.
Humphreys, Aelys M., Govaerts, Rafaël, Ficinski, Sarah Z., Lughadha, Eimear Nic and Vorontsova, Maria S. (2019). Global dataset shows geography and life form predict modern plant extinction and rediscovery. Nature Ecology & Evolution 3: 1043-1047. https://doi.org/10.1038/s41559-019-0906-2 [Supplementary Dataset 1]
Nayar, M. P. and Sastry, A. R. K. (compilers). (1987, reprinted 2000). Red Data Book of Indian Plants. Volume 1. Calcutta: Botanical Survey of India. xiii + 367 pp, 16 pls, figs. [pp. 327-328]
Noble, William A. (2004). The aftermath of the Pleistocene in the Upper Nilgiris of southern India. Journal of the Bombay Natural History Society 101(1): 29-63 [61].
Rao, C. Kameswara, Geetha, B. L. and Suresh, Geetha. (2003). Red List of Threatened Vascular Plant Species in India: Compiled from the 1997 IUCN Red List of Threatened Plants. ENVIS Centre on Floral Diversity, Botanical Survey of India, Kolkata. xxiv + 144 pp. [automatic download]
Singh, V., Singh, P. and Dash, S. S. (eds.). (2021). Flora of India 9: 1-482. Botanical Survey of India.
Sivaraj, N., Venkateswaran, Kamala, Pandravada, S. R., Reddy, M. Thirupathi Reddy and Rajasekharan, P. E. (2020). Threatened Medicinal Plants of Eastern Ghats and Their ConservationThreatened Medicinal Plants of Eastern Ghats and Their Conservation, pp. 31-62. In: Rajasekharan, P. E. and Wani, Shabir Hussain (eds.). Conservation and Utilization of Threatened Medicinal Plants. Cham, Switzerland: Springer Nature Switzerland AG. xviii + 565 pp.
Walter, Kerry S. and Gillett, Harriet J. (eds.). (1998). 1997 IUCN Red List of Threatened Plants. Compiled by the World Conservation Monitoring Centre. Gland, Switzerland & Cambridge, UK: IUCN – The World Conservation Union. lxiv + 862 pp.
https://agritech.tnau.ac.in/forestry/forestry_threatened_plants_tamil_nadu.pdf