Hieronyma havanensis Urb. (1930:215)

Taxonomy & Nomenclature

Conservation Status

Missing (Testé, 2024)

Last record: 1920 (Testé, 2024)

IUCN RedList status: Critically Endangered (Possibly Extinct)

Distribution & Habitat

Cuba

Anatomy & Morphology

Biology & Ecology

Hypodigm

Media

References

Acevedo-Rodríguez, P. and Strong, M. T. (2012). Catalogue of seed plants of the West Indies. Smithsonian Contributions to Botany 98: 1-1192.

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., Frodin, D. G. and Radcliffe-Smith, A. (2000). World Checklist and Bibliography of Euphorbiaceae (and Pandaceae) 1-4: 1-1622. 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.

Greuter, W. and Rankin, R. (2022). Plantas Vasculares de Cuba. Inventario preliminar. Botanischer Garten & Botanisches Museum Berlin-Dahlem & Jardín Botánico Nacional, Universidad de La Habana, Berlín, Alemania & La Habana, Cuba.

POWO. (2026). Plants of the World Online (online resource). Facilitated by the Royal Botanic Gardens, Kew, United Kingdom. Available at: https://powo.science.kew.org/ [Accessed 11 September 2026]

Testé, E. (2024). Hieronyma havanensis. The IUCN Red List of Threatened Species 2024: e.T240699077A240703543. https://dx.doi.org/10.2305/IUCN.UK.2024-2.RLTS.T240699077A240703543.es. Accessed on 11 September 2026.

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Dichapetalum bocageanum (Henriq.) Engl. (1896:349)

Taxonomy & Nomenclature

Synonym/s: Chailletia bocageana Henriq. in Bol. Soc. Brot. 10: 107 (1892)

Conservation Status

Missing (fide BGCI, 2026 [as "PE" i.e. possibly extinct])

Distribution & Habitat

São Tomé, São Tomé and Príncipe

Anatomy & Morphology

Biology & Ecology

Hypodigm

Media

References

BGCI. (2026). ThreatSearch online database. Botanic Gardens Conservation International. Richmond, UK. Available at: https://tools.bgci.org/threat_search.php [Accessed on 10 September 2026]

Figueiredo, E., Paiva, J., Stévart, T., Oliveira, F. and Smith, G. F. (2011). Annotated catalogue of the flowering plants of São Tomé and Príncipe. Bothalia 41(1): 41-82. https://doi.org/10.4102/abc.v41i1.34

Govaerts, R. (2000). World Checklist of Seed Plants Database in ACCESS Genera starting with letter D: 1-30141.

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.

POWO. (2026). 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 September 2026]

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Acalypha inaequilatera Cardiel (1994:203)

Taxonomy & Nomenclature

Conservation Status

Critcally Endangered (Lopez-Gallego & Morales M, 2020) or Extinct (POWO, 2026)

IUCN RedList status: Critically Endangered

Distribution & Habitat

Boyacá, Colombia

Anatomy & Morphology

Biology & Ecology

Hypodigm

Media

References

Original scientific description:

Cardiel, José María. (1994). A synopsis of the Colombian species of Acalypha subgenus Linostachys (Euphorbiaceae). Brittonia 46: 200-207. https://doi.org/10.2307/2807233

Other references:

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.

Lopez-Gallego, C. and Morales M, P. A. (2020). Acalypha inaequilatera. The IUCN Red List of Threatened Species 2020: e.T164660590A180906411. https://dx.doi.org/10.2305/IUCN.UK.2020-3.RLTS.T164660590A180906411.es. Accessed on 09 September 2026.

POWO. (2026). Acalypha inaequilatera Cardiel. Plants of the World Online (online resource). Facilitated by the Royal Botanic Gardens, Kew, United Kingdom. Available at: https://powo.science.kew.org/ [Accessed 9 September 2026]

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Viola kauaensis wahiawaensis C.N.Forbes (1920:34)

Taxonomy & Nomenclature

Conservation Status

Extinct (Wagner et al., 2026:63)

Last record: 22 December 1983 (Havran et al., 2014) or later

Distribution & Habitat

Kauai, Hawaiian Islands, USA

Anatomy & Morphology

Biology & Ecology

Hypodigm

Media

References

Original scientific description:

Forbes, C. N. (1920). New Hawaiian plants-VII. Occas. Pap. Bernice P. Bishop Mus. 7(3): 33-39.

Other references:

Havran, J. Christopher, Harbin, Susan Ching and Portner, Talia. (2014). Viola kauaensis var. hosakae (Violaceae), a new variety of endemic Hawaiian violet. PhytoKeys 39: 35-48. https://doi.org/10.3897/phytokeys.39.6500

Kartesz, J. T. (1994). A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.

NatureServe. (2026). Viola kauaensis var. wahiawaensis: Kauai Violet. NatureServe Network Biodiversity Location Data accessed through NatureServe Explorer [web application]. NatureServe, Arlington, Virginia. Available at: https://explorer.natureserve.org/ [Accessed on 22 August 2026]

Wagner, Warren L., Herbst, D. R. and Sohmer, S. H. (1990). Manual of the flowering plants of Hawaii. Univ. Hawaii Press and Bishop Museum Press, Honolulu. 1853 pp.

Wagner, Warren L., Khan, Nancy R., Lorence, David H., Flynn, Timothy W. and Wood, Kenneth R. (2026). Checklist of native and naturalized Hawaiian vascular plants. Smithsonian Contributions to Botany 123: i-xii + 1-96, 3 tables. https://doi.org/10.5479/si.32124043

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