Trigonostemon diplopetalus Thwaites (1861:277)
Taxonomy & Nomenclature
Conservation Status
Missing (MOE, 2012:258; Barstow, 2020; Wijesundara et al., 2020:63) or Extinct (IUCN Sri Lanka and the Ministry of Environment and Natural Resources, 2007; Christenhusz & Govaerts, 2024; POWO, 2024)
Last record: 1854 (Barstow, 2020); 1858 (Christenhusz & Govaerts, 2024)
IUCN RedList status: Critically Endangered (Possibly Extinct)
Distribution
Sri Lanka
Biology & Ecology
Hypodigm
Media
References
Barstow, M. (2020). Trigonostemon diplopetalus. The IUCN Red List of Threatened Species 2020: e.T146909235A149821976. https://dx.doi.org/10.2305/IUCN.UK.2020-3.RLTS.T146909235A149821976.en. Accessed on 30 July 2022.
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., 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.
IUCN Sri Lanka and the Ministry of Environment and Natural Resources. (2007). The 2007 Red List of Threatened Fauna and Flora of Sri Lanka. Colombo, Sri Lanka. xiii + 148 pp.
MOE (Ministry of Environment). (2012). The National Red List 2012 of Sri Lanka; Conservation Status of the Fauna and Flora. Ministry of Environment, Colombo, Sri Lanka. viii + 476 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 6 July 2024]
Wijesundara, Siril, Ranasinghe, Subhani, Jayasinghe, Himesh, Gunawardena, Nadeeka, Fonseka, Gayani and Wijesooriya, Shivanthi. (2020). Angiosperms in Sri Lanka: Present status of Angiosperms in Sri Lanka, pp. 1-168. In: The National Red List 2020 - Conservation Status of the Flora of Sri Lanka. Sri Lanka: Biodiversity Secretariat, Ministry of Environment and the National Herbarium, Department of National Botanic Gardens. xviii + 254 pp.
Yu, R.-Y. and van Welzen, P. C. (2020). A taxonomic revision of Trigonostemon (Euphorbiaceae) outside Malesia. Blumea 65(1): 25-52. https://doi.org/10.3767/blumea.2020.65.01.04