Thamnea depressa Oliv. (1866 "1867":332)
Esteemed mountain branch
Taxonomy & Nomenclature
Synonym/s: Schinzafra depressa (Oliv.) Kuntze in Revis. Gen. Pl. 1: 234 (1891)
Conservation Status
Extinct (Hall et al., 1980; Hilton-Taylor, 1996; Walter & Gillett, 1998:89; Raimondo & Victor, 2008; Raimondo et al., 2009; Humphreys et al., 2019; Albani Rocchetti et al., 2022; POWO, 2023; Christenhusz & Govaerts, 2024)
Last (and only) record: 1815 (Raimondo & Victor, 2008 [sole record; plus date]; Christenhusz & Govaerts, 2024 [date only])
Only known from a single 1815 collection by William John Burchell (Raimondo & Victor, 2008).
Distribution
Genadendal, Western Cape Province, South Africa
Biology & Ecology
Hypodigm
Media
References
Original scientific description:
Oliver, Daniel. (1866 "1867"). Memorandum on the Genus Thamnea, Solander, and other Bruniaceæ contained in the South African Herbarium of the late Dr. Burchell, F.L.S. 9: 331-333.
Other 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]
Claßen-Bockhoff, Regine, Oliver, Edward G. H., Hall, Anthony V. and Quint, Marcus. (2019). A new classification of the South African endemic family Bruniaceae based on molecular and morphological data, Taxon 60(4): 1138-1155 [1146]. https://doi.org/10.1002/tax.604016
Eggli, U. and Taylor, N. (eds.). (1994). List of names of succulent plants other than cacti. Whitstable, Kent: Whitstable Litho. 176 pp. From Repertorium Plantarum Succulentarum (1950-1992).
Germishuizen, G. and Meyer, N. L. (eds.). (2003). Plants of Southern Africa an annotated checklist. Strelitzia 14: 1-1231. National Botanical Institute, Pretoria.
Hall, A. V., De Winter, M., De Winter, B. and Van Oosterhout, S. A. M. (1980). Threatened plants of southern Africa. South African National Scienctific Programmes Report 45. CSIR, Pretoria.
Hall, A. V. and Veldhuis, H. A. (1985). South African red data book: 1-160. CSIR, Pretoria.
Hilton-Taylor, C. (1996). Red data list of southern African plants. Strelitzia 4. South African National Botanical Institute, Pretoria.
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]
IPNI. (2023). Thamnea depressa Oliv. International Plant Names Index. Published on the Internet https://www.ipni.org, The Royal Botanic Gardens, Kew, Harvard University Herbaria & Libraries and Australian National Herbarium. [Retrieved 11 October 2023].
Le Roux, Johannes J., Hui, C., Castillo, M. L., Iriondo, J. M., Keet, J.-H., Khapugin, A. A., Médail, F., Rejmánek, M., Theron, G. Yannelli, F. A. and Hirsch, H. (2019). Recent Anthropogenic Plant Extinctions Differ in Biodiversity Hotspots and Coldspots. Current Biology 29(17): 2912-2918.e2. https://doi.org/10.1016/j.cub.2019.07.063
Leinfellner, Walter. (1964). Sind die Kronblätter der Bruniaceen peltat gebaut? Österreichische botanische Zeitschrift 111: 500-526. https://doi.org/10.1007/BF01372911
POWO. (2023). Thamnea depressa Oliv. Plants of the World Online (online resource). Royal Botanic Gardens, Kew, United Kingdom. Available at: https://powo.science.kew.org/ [Accessed 8 October 2023]
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.
Raimondo, D. and Victor, J. E. (2008). Thamnea depressa Oliv. National Assessment: Red List of South African Plants version 2017.1. Accessed on 2017/06/08.
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. [p. 89]
https://vanishingflora.proboards.com/thread/3802/thamnea-depressa