Trochetiopsis melanoxylon (R. Br. ex Aiton f.) Marais

St. Helena ebony tree



Taxonomy & Nomenclature



Conservation Status


Last record: 1771 (Cronk, 1998)

IUCN RedList status: Extinct



St. Helena


Biology & Ecology










America, S. (1999). St Helena. Biodiversity: the UK Overseas Territories, 101.

Antommarchi, F.C. 1825. Esquisse de la flore de Sainte Hélène. Barrois l’Aine, Paris.

Banks, J. 1896. Journal of the Right Honourable Sir Joseph Banks during Captain Cook’s first voyage in HMS Endeavour. Hooker, J.D. (ed.). Macmillan & Co., London, U.K.

Beatson, A. 1816. An alphabetical list of plants seen by Dr Roxburgh growing on the island of St Helena. Tracts relative to the Island of St Helena, Appendix 1. W.Bulmer & Co., London, U.K.

Burchell, W.J. 1805-10. Flora Insulae Sanctae Helenae. Unpublished manuscript held at Royal Botanic Gardens Kew, Richmond, U.K.

Cronk, Q. C. B. (1986). The decline of the St Helena ebony Trochetiopsis melanoxylon. Biological Conservation 35(2): 159-172. [Abstract]

Cronk, Q.B.C. 1995. A new species and hybrid in the St Helena endemic genus Trochetiopsis (Sterculiaceae). Edinburgh Journal of Botany 52: 205-213.

Cronk, Q. C. B. (1998). Trochetiopsis melanoxylon. The IUCN Red List of Threatened Species. Version 2014.3. ( Downloaded on 26 April 2015.

Cronk, Q. C. B. (2000). The Endemic Flora of St. Helena. Anthony Nelson Publishers, Oswestry, UK.

Humphreys, Aelys M. et al. (2019). Global dataset shows geography and life form predict modern plant extinction and rediscovery. Nature Ecology & Evolution 3: 1043-1047. [Abstract] [Supplementary Dataset 1]

Lambdon, P. 2012. Flowering Plants and Ferns of St Helena. Pisces Publications, Newbury, UK.

Lambdon, P.W. & Ellick, S. 2016. Trochetiopsis melanoxylon. The IUCN Red List of Threatened Species 2016: e.T30561A67372085. Accessed on 19 June 2022.

Marais, W. (1981). Trochetiopsis (Sterculiaceae), a new genus from St Helena. Kew Bulletin 36: 645-646. [Abstract]

Oldfield, Sara, Lusty, Charlotte and MacKinven, Amy (compilers). (1998). The World List of Threatened Trees. Cambridge, U.K.: World Conservation Press. 650 pp.

Rowe, R. (1995). The population biology of Trochetiopsis: a genus endemic to St Helena. DPhil Thesis, University of Oxford.

Royal Botanic Gardens Kew and International Institute for Environment and Development. 1993. Report on sustainable environmental development strategy and action plan for St Helena. Vol. 3. Status of the endemic flora and preliminary recovery programmes.

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.

WCSP (2003). World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet;


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