Psychotria adamsonii Fosberg (1939:172)
Taxonomy & Nomenclature
Conservation Status
Extinct (Butaud et al., 2023; POWO, 2024; Christenhusz & Govaerts, 2025)
Last (and only) record: 1929 (Butaud et al., 2023 [sole record; plus date]; Christenhusz & Govaerts, 2025 [date only])
IUCN RedList status: Extinct
Distribution & Habitat
Pepehitoua valley, Ua Pou, Marquesas Islands, French Polynesia
Biology & Ecology
Hypodigm
Media
References
Butaud, J.-F., Jacq, F., Meyer, J.-Y. and Taputuarai, R. (2023). Psychotria adamsonii. The IUCN Red List of Threatened Species 2023: e.T30475A236673639. https://dx.doi.org/10.2305/IUCN.UK.2023-1.RLTS.T30475A236673639.fr. Accessed on 19 May 2024.
Christenhusz, Maarten J. M. and Govaerts, Rafaël. (2023). Uitgestorven. Op plantenjacht rond de wereld: 1-511. Sterck & De Vreese.
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]
Florence, J. (1996). Liste des espèces endémiques de Polynésie Française avec leur répartition géographique et leur statut IUCN, tirée de la banque de données botaniques NADEAUD (unpublished).
Florence, J. (1998). Psychotria adamsonii. The IUCN Red List of Threatened Species 1998: e.T30475A9552409. https://dx.doi.org/10.2305/IUCN.UK.1998.RLTS.T30475A9552409.en. Downloaded on 17 September 2016.
Fräßdorf, Doreen. (n.d.). Liste ausgestorbener Pflanzen der Neuzeit / List of extinct plants in modern times. Available at: https://www.artensterben.de/liste-ausgestorbener-pflanzen/ [Accessed 27 September 2026]
Govaerts, R. (2003). World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew.
Graner, Torun. (2026). A World Without Trees: An Analysis of Global Tree Extinction Rates, Geographical Distribution and Correlation to Socioeconomic Factors. Master’s Dissertation, School of Natural Sciences, Technology and Environmental Studies, Södertörn University. 41 pp.
Lorence, D. H. and Wagner, W. L. (2005). A revision of Psychotria (Rubiaceae) in the Marquesas Islands (French Polynesia). Allertonia 9(1): 1-37.
Oldfield, Sara, Lusty, Charlotte and MacKinven, Amy (compilers). (1998). The World List of Threatened Trees. Cambridge, U.K.: World Conservation Press. 650 pp.
POWO. (2024). Plants of the World Online (online resource). Facilitated by the Royal Botanic Gardens, Kew, United Kingdom. Available at: https://powo.science.kew.org/ [Accessed 19 May 2024]
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.