Platysace dissecta (Benth.) C.Norman (1939:210)

Dissected platysace



Taxonomy & Nomenclature

Synonyms: Siebera dissecta Benth. in Fl. Austral. 3: 354 (1867); Trachymene dissecta (Benth.) F.Muell. in Syst. Census Austral. Pl.: 62 (1882)


Now considered a synonym of P. juncea (Patrick & Brown, 2001; POWO, 2023).


Conservation Status

Now considered a synonym of P. juncea (Patrick & Brown, 2001; POWO, 2023).

Last record: pre-1866 (Patrick & Brown, 2001:150)


Still listed as Extinct by (Humphreys et al., 2019).



Western Australia, Australia


Biology & Ecology










Original scientific description:

Bentham, George. (1867). Flora Australiensis, Vol. 3. London: Lovell Reeve & Co.


Other references:

Blackall, W. E. and Grieve, B. J. (1980). How to Know Western Australian Wildflowers, Part II. Perth: University of Western Australia Press.

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. [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. [p. 72]

Norman, C. (1939). Notes on the genus Platysace Bunge. Journal of Botany, British and Foreign 77: 207-211.

Patrick, Susan J. and Brown, A. P. (2001). Declared Rare and Poorly Known Flora in the Moora District. Perth: Department of Conservation & Land Management. [pp. 150-151]

POWO. (2023). Platysace juncea (Bunge) C.Norman. Plants of the World Online (online resource). Royal Botanic Gardens, Kew, United Kingdom. Available at: [Accessed 8 December 2023]

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. [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.


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