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.
Psychotria gaboonensis Ruhsam (2008:116)
Taxonomy & Nomenclature
Conservation Status
Missing (Lachenaud et al., 2013)
Distribution
Libreville area, Estuaire Province, Gabon
Anatomy & Morphology
Biology & Ecology
Hypodigm
Media
References
Original scientific description:
Ruhsam, M., Govaerts, R. and Davis, A. P. (2008). Nomenclatural changes in preparation for a World Rubiaceae Checklist. Botanical Journal of the Linnean Society 157(1): 115-124.
Other references:
Cheek, Martin, Tchiengué, B. and van der Burgt, X. (2021). Taxonomic revision of the threatened African genus Pseudohydrosme Engl. (Araceae), with P. ebo, a new, critically endangered species from Ebo, Cameroon. PeerJ 9: e10689. https://doi.org/10.7717/peerj.10689
Lachenaud, O., Stévart, T., Ikabanga, D., Ngagnia Ndjabouda, E. and Walters, G. (2013). Les forêts littorales de la région de Libreville (Gabon) et leur importance pour la conservation: description d’un nouveau Psychotria (Rubiaceae) endémique. Plant Ecology and Evolution 146(1): 68-74.
Acranthera philippinensis Merr.
Taxonomy & Nomenclature
Conservation Status
Rediscovered (Ordas et al., 2023)
Distribution
Mindanao, Philippines
Anatomy & Morphology
Biology & Ecology
Hypodigm
Media
References
Original scientific description:
Merrill, E. (1913). Studies on Philippine Rubiaceae, I. Philippine Journal of Science 8: 1-32.
Other references:
Ordas, Jorge Anton D., Zamudio, Sarah Grace S. and Docot, Rudolph Valentino A. (2023). A rare Philippine plant found again after almost a century: the rediscovery and lectotypification of Acranthera philippinensis (Rubiaceae). Phytotaxa 578(1): 136-140. https://doi.org/10.11646/phytotaxa.578.1.8