Ptilotus senarius Bean (2014:203)
Taxonomy & Nomenclature
Conservation Status
Last record: 10 May 1967 (Bean, 2014:203; Silcock et al., 2019:SM:3 [as 1967]; Christenhusz & Govaerts, 2025 [as 1967])
Rediscovered in: 2025 (Mesaglio et al., 2026)
Previously considered Missing (Silcock et al., 2019:SM:3 [as 'possibly extant']) or Extinct (Bean, 2014; Albani Rocchetti et al., 2022; Christenhusz & Govaerts, 2025; POWO, 2024). And it was identified as one of the 50 best candidates for de-extinction, ranking 45/50 (Albani Rocchetti et al., 2022). It was serendipitously Rediscovered in 2025 (Mesaglio et al., 2026).
Distribution & Habitat
Gilbert River, Queensland, Australia
Type locality: "Queensland. COOK DISTRICT: Riverview, Gilbert River" (Bean, 2014:203)
Biology & Ecology
Hypodigm
Media
References
Original scientific description:
Bean, Anthony R. (2014). Ptilotus senarius A.R.Bean (Amaranthaceae), a new species from northern Queensland. Austrobaileya 9(2): 203-206.
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]
Borsch, Thomas, Flores Olvera, Hilda, Di Vincenzo, Vanessa, Ortuño Limarino, Teresa, Wondafrash, Melaku, Demissew, Sebsebe and Müller, Kai. (2026). A nearly complete genus-level phylogeny of the Amaranthaceae s.str. and a new tribal classification. Willdenowia 56: 3-38. https://doi.org/10.3372/wi.56.01
Bostock, P. D. and Holland, A. E. (eds.). (2010). Census of the Queensland Flora 2010. Queensland Herbarium, Department of Environment and Resource Management: Brisbane.
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. (2025). Plant extinction in the Anthropocene. Botanical Journal of the Linnean Society 207(3): 183-196. https://doi.org/10.1093/botlinnean/boae045 [Appendix S1]
Mesaglio, Thomas, Bean, Anthony R. and Bean, Aaron. (2026). Rediscovery of a presumed extinct plant species, Ptilotus senarius (Amaranthaceae), through iNaturalist. Australian Journal of Botany 74(1): BT25063. https://doi.org/10.1071/BT25063
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]
Silcock, Jen L., Field, Ashley R., Walsh, Neville G. and Fensham, Roderick J. (2019). To name those lost: assessing extinction likelihood in the Australian vascular flora. Oryx 54(2): 167-177. https://doi.org/10.1017/S0030605318001357 [Supplementary Material]
Woinarski, John C. Z., Braby, M. F., Burbidge, A. A., Coates, D., Garnett, S. T., Fensham, R. J., Legge, S. M., McKenzie, N. L., Silcock, J L. and Murphy, B. P. (2019). Reading the black book: The number, timing, distribution and causes of listed extinctions in Australia. Biological Conservation 239: 108261. https://doi.org/10.1016/j.biocon.2019.108261
https://vanishingflora.proboards.com/thread/4155/ptilotus-senarius