Ptilotus pyramidatus (Moq.) F.Muell. (1868:230)
Pyramid mulla-mulla
Taxonomy & Nomenclature
Synonyms: Trichinium pyramidatum Moq. in A.P.de Candolle, Prodr. 13(2): 288 (1849); Ptilotus christineae R.W.Davis & Tauss in Nuytsia 21: 91 (2011); Ptilotus sp. Brixton (C. Tauss 4136)
"Initially described as a new species Ptilotus christineae, Davis (2012) confirmed that P. pyramidatus is conspecific with P. christineae and the latter name must therefore be considered a junior synonym"
(Silcock et al., 2019:SM:11)
Conservation Status
Last record: 1845 (Silcock et al., 2019:SM:11)
Rediscovered on 23 October 2010 (collection); 2011/2012 (recognition) (Davis, 2012)
Distribution
Greater Brixton Street Wetlands, Perth, Western Australia, Australia
Biology & Ecology
Hypodigm
Media
References
Davis, Robert W. (2012). Ptilotus christineae is synonymous with the previously Presumed Extinct taxon P. pyramidatus. Nuytsia 22(5): 335.
Davis, Robert W. (2019). WA's weirdest and most wonderful wildflowers. Horizons [2019](August-September): 39-42.
Davis, Robert W. and Tauss, Catherine. (2011). A new and rare species of Ptilotus (Amaranthaceae) from a suburban wetland of the eastern Swan Coastal Plain, Western Australia. Nuytsia 21(3): 97-102.
Hearn, Roger W., Meissner, Rachel, Brown, Andrew P., Macfarlane, Terry D. and Annels, Tony R. (2006). Declared Rare and Poorly Known Flora in the Warren Region. Western Australian Wildlife Management Program No. 40. Jointly published by Australian Government Department of Environment and Heritage (Canberra) & Western Australian Department of Conservation and Land Management (Bentley DC). x + 305 pp.
Hnatiuk, R. J. (1990). Census of Australian vascular plants. Australian Flora and Fauna Series 11: 1-650.
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]
Marchant, N. G. and Keighery, G. J. (1979). Poorly collected and presumably rare vascular plants of Western Australia. Kings Park Research Notes No. 5. West Perth: Kings Park and Botanic Garden. 103 pp.
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]
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.
http://plants.jstor.org/stable/10.5555/al.ap.specimen.perth08247269
http://www.oneperth.com.au/2011/11/17/new-species-unearthed-in-kenwick/