Psydrax sp. nov. 'Rapa Nui'
Taxonomy & Nomenclature
Conservation Status
Extinct (Orliac & Orliac, 2008:201; Prebble & Dowe, 2008:2547)
Last record: Holocene (Orliac & Orliac, 2008); <2000 yrcalBP (Prebble & Dowe, 2008:2547)
Distribution & Habitat
Rapa Nui (=Easter Island)
Anatomy & Morphology
Biology & Ecology
Hypodigm
Media
References
Flenley, J. R., King, S. M., Jackson, J. and Chew, C. (1991). The late Quaternary vegetationaland climatic history of Easter Island. Journal of Quaternary Science 6: 85-115.
Orliac, Catherine and Orliac, Michel. (1998). The disappearance of Easter Island’s forest: over-exploitation or climatic catastrophe?, pp. 129-134. In: Stevenson, C. M., Lee, G. and Morin, F. J. (eds.). Easter Island in Pacific Context, South Seas Symposium. Proceedings of the Fourth International Conference on Easter Island and East Polynesia. Easter Island Foundation, Los Osos.
Orliac, Catherine and Orliac, Michel. (2008). Extinct flora of Easter Island, pp. 197-208. In: Di Piazza, Anne, Pearthree, Erick and Sand, Christophe (eds.). At the Heart of Ancient Societies: French Contributions to Pacific Archaeology. Les Cahiers de l'Archéologie en Nouvelle-Calédonie.
Prebble, Matthew and Dowe, John L. (2008). The late Quaternary decline and extinction of palms on Pacific islands. Quaternary Science Reviews 27(27-28): 2546-2567. https://doi.org/10.1016/j.quascirev.2008.09.015
Rull, Valentí. (2020). The deforestation of Easter island. Biological Reviews 95(1): 124-141. https://doi.org/10.1111/brv.12556
https://vanishingflora.proboards.com/thread/1291/subfossil-plants-pacific-islands
Toxocarpus beddomei Gamble (1922:119)
Taxonomy & Nomenclature
Conservation Status
Last (and only) record: 1870 (Nayar & Sastry, 1990:39)
Rediscovered in 1979 (Henry & Swaminathan, 1981; Nayar & Sastry, 1990:39)
Distribution
Kerala & Tamil Nadu, India
Anatomy & Morphology
Biology & Ecology
Hypodigm
Media
References
Henry, A. N. and Swaminathan, M. S. (1981). Rediscovery of Rhynchosia velutina Wight & Arn. (Papilionaceae) and Toxocarpus beddomei Gamble (Asclepiadaceae). Bull. Bot. Surv. India 21(1-4): 227-229.
Jagtap, A. P. and Singh, N. P. (1999). Fascicles of Flora of India 24: 1-332. Botanical Survey of India, New Delhi.
Nayar, M. P. and Sastry, A. R. K. (eds.). (1990, reprinted 2000). Red Data Book of Indian Plants. Volume 3. Calcutta: Botanical Survey of India. 271 pp., 8 pls. [p. 39-40]
Psychotria aborensis Dunn (1920:133)
Taxonomy & Nomenclature
Conservation Status
Missing
Last record: c.1917 (Nayar & Sastry, 1987:343)
Distribution
India
Anatomy & Morphology
Biology & Ecology
Hypodigm
Media
References
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. 343-344]
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]
Ceropegia fantastica Sedgw. (1921:124)
Taxonomy & Nomenclature
Conservation Status
Last record: 1963 (Nayar & Sastry, 1987:56)
Since rediscovered
Distribution
Western Ghats, India
Biology & Ecology
Hypodigm
Media
References
Chandore, A. N., Nimbalkar, M. S., Gurav, R. V., Bapat, V. A. and Yadav, S. R. (2010). A protocol for multiplication and restoration of Ceropegia fantastica Sedgw.: a critically endangered plant species. Current Science 99(11): 1593-1596. https://www.jstor.org/stable/24069459
Ganeshaiah, K. N. (2005). Recovery of endangered and threatened species: Developing a national priority list of plants and insects. Current Science 89(4): 599-600.
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. 56]
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]
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. [listed as possibly extinct]
Marsdenia tirunelvelica A.N.Henry & Subr. (1976:186)
Taxonomy & Nomenclature
Conservation Status
Last record: 1972 (Kottaimuthu et al., 2011)
Rediscovered on 31 January 2008 (Kottaimuthu et al., 2011)
Distribution
Tamil Nadu, India
Anatomy & Morphology
Biology & Ecology
Hypodigm
Media
References
Original scientific description:
Henry, A. N. and Subramanyam, K. (1976). A new Marsdenia R. Br. (Asclepiadaceae) from South India. J. Bombay Nat. Hist. Soc. 73: 186-187.
Other references:
Annamalai, R., Muthukumar, K., Jacob, C. T., Knight, J. D. M. and Senthil, D. (2009). Endemic plants of Tamil Nadu. Envis Newsletter 5(4): 1-16.
Gopalan, R. and Henry, A. N. (2000). Endemic Plants of India: CAMP for the strict endemics of Agasthiyamalai Hills, SW Ghats. Bishen Singh Mahendra Pal Singh, Dehra Dun.
Henry, A. N., Vivekananthan, K. and Nair, N. C. (1978). Rare and Threatened Flowering Plants of South India. The Journal of the Bombay Natural History Society 75: 684-697 [692].
Jagtap, A. P. and Singh, N. P. (1999). Asclepiadaceae & Periplocaceae. Fasc. Fl. India. 24: 1-317. Botanical Survey of India, Calcutta.
Kottaimuthu, R., Ganesan, R., Kumuthakalavalli, R. and N. Manikandan, N. (2011). On the rediscovery of Marsdenia tirunelvelica (asclepiadaceae) - a rare and little known endemic species from Western Ghats. Bio Diversity 38: 4243-4244.