Pteralyxia caumiana O.Deg. (1933:[s.p.])

Taxonomy & Nomenclature

Conservation Status

Invalid (synonym of P. laurifolia) (POWO, 2024)

Previously considered probably Extinct ("prEX") (Fosberg & Herbst, 1975:6).

Distribution & Habitat

Oahu, Hawaiian Islands, USA

Anatomy & Morphology

Biology & Ecology

Hypodigm

Media

References

Fosberg, F. R. and Herbst, Derral R. (1975). Rare and endangered species of Hawaiian vascular plants. Allertonia 1(1): 1-72. https://www.jstor.org/stable/23189952

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. (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 27 November 2024]

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Xysmalobium pearsonii L.Bolus (1913:180)

Taxonomy & Nomenclature

Conservation Status

Extinct (Christenhusz & Govaerts, 2024; POWO, 2024)

Last (and only) record: 1910 (Nicholas & Raimondo, 2005 [sole record; plus date]; Christenhusz & Govaerts, 2024 [date only])

Distribution & Habitat

Kamiesberg, Northern Cape Province, South Africa

Anatomy & Morphology

Biology & Ecology

Hypodigm

Media

References

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]

Germishuizen, G. and Meyer, N. L. (eds.). (2003). Plants of Southern Africa an annotated checklist. Strelitzia 14: 1-1231. National Botanical Institute, Pretoria.

Hilton-Taylor, Craig (ed.). (1996). Red data list of southern African plants. Strelitzia 4. Pretoria: South African National Botanical Institute.

Nicholas, A. and Raimondo, D. (2005). Xysmalobium pearsonii L.Bolus. National Assessment: Red List of South African Plants version. Accessed on 2024/11/17.

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 17 November 2024]

Raimondo, D., von Staden, L., Foden, W., Victor, J. E., Helme, N. A., Turner, R. C., Kamundi, D. A. and Manyama, P. A. (2009). Red List of South African Plants. Strelitzia 25. South African National Biodiversity Institute, Pretoria.

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Wrightia flavidorosea Trimen (1885:54)

Taxonomy & Nomenclature

Synonyms: Wrightia flavorosea [orth. var.]; Wrightia flavo-rosea [orth. var.]; Wrightia flavido-rosea [orth. var.]

Conservation Status

Extinct (Humphreys et al., 2019; Albani Rocchetti et al., 2022; Christenhusz & Govaerts, 2024; POWO, 2024)

Last record: 1893 (Christenhusz & Govaerts, 2024)

Distribution & Habitat

Sri Lanka

Anatomy & Morphology

Biology & Ecology

Hypodigm

Media

References

Albani Rocchetti, Giulia, Carta, Angelino, Mondoni, Andrea, Godefroid, Sandrine, Davis, Charles C., Caneva, Giulia, Albrecht, Matthew A., Alvarado, Karla, Bijmoer, Roxali, Borosova, Renata, Bräuchler, Christian, Breman, Elinor, Briggs, Marie, Buord, Stephane, Cave, Lynette H., Da Silva, Nílber Gonçalves, Davey, Alexandra H., Davies, Rachael M., Dickie, John B., Fabillo, Melodina, Fleischmann, Andreas, Franks, Andrew, Hall, Geoffrey, Kantvilas, Gintaras, Klak, Cornelia, Liu, Udayangani, Medina, Leopoldo, Reinhammar, Lars Gunnar, Sebola, Ramagwai J., Schönberger, Ines, Sweeney, Patrick, Voglmayr, Hermann, White, Adam, Wieringa, Jan J., Zippel, Elke Zippel and Abeli, Thomas. (2022). Selecting the best candidates for resurrecting extinct-in-the-wild plants from herbaria. Nature Plants 8: 1385-1393. https://doi.org/10.1038/s41477-022-01296-7 [Supplementary Tables S1-S6]

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]

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.

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]

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 17 November 2024]

WCSP. (2003). World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; http://apps.kew.org/wcsp/

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Ruehssia smithii (Morillo) Liede & H.A.Keller (2020:287)

Taxonomy & Nomenclature

Synonym/s: Marsdenia smithii Morillo in Acta Bot. Venez. 9: 313 (1974)

Conservation Status

Extinct (Christenhusz & Govaerts, 2024; POWO, 2024)

Last record: 1968 (Christenhusz & Govaerts, 2024)

Distribution & Habitat

Lara, Venezuela

Anatomy & Morphology

Biology & Ecology

Hypodigm

Media

References

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]

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 10 November 2024]

<< Back to the Gentianales database