Rondeletia odorata breviflora Hook.f. (1878:6350)
Taxonomy & Nomenclature
Conservation Status
Extinct (WCMC, 1992:222) or Invalid (synonym of Rondeletia odorata odorata) (POWO, 2025)
Distribution & Habitat
Panama
Anatomy & Morphology
Biology & Ecology
Hypodigm
Media
References
Govaerts, R. (2003). World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew.
POWO. (2025). Plants of the World Online (online resource). Facilitated by the Royal Botanic Gardens, Kew, United Kingdom. Available at: https://powo.science.kew.org/ [Accessed 28 August 2025]
WCMC (World Conservation Monitoring Centre). (1992). Global Biodiversity: Status of the Earth's living resources. London: Chapman & Hall. xx + 594 pp.
Psychotria bifaria minimicalyx (K.Schum.) O.Lachenaud (2019:161)
Taxonomy & Nomenclature
Synonym/s: Psychotria minimicalyx K.Schum. in Bot. Jahrb. Syst. 28: 94 (1899)
Conservation Status
Last (and only) record: 1899 (Onana et al., 2011:294)
Rediscovered in: 1948 (Onana et al., 2011:294)
IUCN RedList status: Critically Endangered
Distribution & Habitat
Cameroon
Anatomy & Morphology
Biology & Ecology
Hypodigm
Media
References
Cheek, Martin. (2004). Psychotria minimicalyx. The IUCN Red List of Threatened Species 2004: e.T46164A11033232. https://dx.doi.org/10.2305/IUCN.UK.2004.RLTS.T46164A11033232.en. Accessed on 27 July 2025.
Govaerts, R. (2003). World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew.
Onana, Jean Michel, Cheek, Martin and Pollard, Benedict John. (2011). Red Data Book of the Flowering Plants of Cameroon: IUCN Global Assessments. Kew, Richmond, Surrey, UK: Kew Publishing. 578 pp.
POWO. (2025). Plants of the World Online (online resource). Facilitated by the Royal Botanic Gardens, Kew, United Kingdom. Available at: https://powo.science.kew.org/ [Accessed 27 July 2025]
Ixora batesii Wernham (1916:227)
Taxonomy & Nomenclature
Conservation Status
Rediscovered [by implication] (Cheek & Rokni, 2017)
IUCN RedList status: Endangered
Considered possibly Extinct by (Onana et al., 2011:273), but it has been recorded in 2014 (Cheek & Rokni, 2017), and was thus Rediscovered by implication.
Distribution & Habitat
Cameroon
Anatomy & Morphology
Biology & Ecology
Hypodigm
Media
References
Cheek, Martin and Rokni, S. (2017). Ixora batesii. The IUCN Red List of Threatened Species 2017: e.T110093770A110093772. https://dx.doi.org/10.2305/IUCN.UK.2017-3.RLTS.T110093770A110093772.en. Accessed on 27 July 2025.
Govaerts, R. (2003). World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew.
Onana, Jean Michel, Cheek, Martin and Pollard, Benedict John. (2011). Red Data Book of the Flowering Plants of Cameroon: IUCN Global Assessments. Kew, Richmond, Surrey, UK: Kew Publishing. 578 pp.
POWO. (2025). Plants of the World Online (online resource). Facilitated by the Royal Botanic Gardens, Kew, United Kingdom. Available at: https://powo.science.kew.org/ [Accessed 27 July 2025]
Coffea charrieriana Stoff. & F.Anthony (2008:68)
Taxonomy & Nomenclature
Conservation Status
Possibly Extinct in the Wild (Onana et al., 2011:259,266; Chadburn et al., 2017)
Last (and only) wild record: 1983 (Stoffelen et al., 2008; Onana et al., 2011:259,266 [type specimen only]; Chadburn et al., 2017)
IUCN RedList status: Critically Endangered (Possibly Extinct in the Wild) [NB: explicitly CR, but PEW status under justification]
Distribution & Habitat
Cameroon
Anatomy & Morphology
Biology & Ecology
Hypodigm
Media
References
Original scientific description:
Stoffelen, P., Noirot, M., Couturon, E. and Anthony, F. (2008). A new caffeine-free coffee from Cameroon. Botanical Journal of the Linnean Society 158: 67-72.
Other references:
Chadburn, H., Davis, A. P., Cheek, Martin and Onana, Jean Michel. (2017). Coffea charrieriana. The IUCN Red List of Threatened Species 2017: e.T18536873A18539476. https://dx.doi.org/10.2305/IUCN.UK.2017-3.RLTS.T18536873A18539476.en. Accessed on 27 July 2025.
Govaerts, R. H. A. (2011). World checklist of selected plant families published update Facilitated by the Trustees of the Royal Botanic Gardens, Kew.
Onana, Jean Michel, Cheek, Martin and Pollard, Benedict John. (2011). Red Data Book of the Flowering Plants of Cameroon: IUCN Global Assessments. Kew, Richmond, Surrey, UK: Kew Publishing. 578 pp.
POWO. (2025). Plants of the World Online (online resource). Facilitated by the Royal Botanic Gardens, Kew, United Kingdom. Available at: https://powo.science.kew.org/ [Accessed 27 July 2025]
Veratrilla burkilliana (W.W.Sm.) Harry Sm. (1967:145)
Taxonomy & Nomenclature
Synonym/s: Swertia burkilliana W.W.Sm. in J. Proc. Asiat. Soc. Bengal 7: 78 (1911)
Conservation Status
Rediscovered (Lahiri & Dash, 2021)
Distribution & Habitat
East Himalaya, India & Tibet
Anatomy & Morphology
Biology & Ecology
Hypodigm
Media
References
Original scientific description:
Smith, W. W. (1911). A new Gentian and two new Swertias from the East Himalaya. J. Proc. Asiat. Soc. Bengal 7(3): 77-79.
Other references:
Ho T.-N. and Liu S.-W. (2015). A Worldwide Monograph of Swertia and Its Allies: 1-430. Science Press, Beijing.
Lahiri, Subhajit and Dash, Sudhansu Sekhar. (2021). Notes on Rediscovery, Typification and Threat Assessment of Veratrilla burkilliana (Gentianaceae) from Eastern Himalaya, India. Nelumbo 63(1): 121-126. https://doi.org/10.20324/nelumbo/v63/2021/165152
Lidén, M. and Bharali, P. (2020). Flowers of the Se La: 1-135. Uppsula University, Sweden.
Smith, H. (1970). New or little known Himalayan species of Swertia and Veratrilla (Gentianaceae). Bull. br. Mus. nat. Hist. Bot 4: 237-258.
Wu, Z. and Raven, P.H. (eds.) (1995). Flora of China 16: 1-479. Science Press (Beijing) & Missouri Botanical Garden Press (St. Louis).