Philotheca falcata Wilson, 1998:251

Sickle-leaved waxflower



Taxonomy & Nomenclature

Synonym/s: Eriostemon falcatus Wilson, 1998:251


Conservation Status

Last record: October 1931 or later

Rediscovered in 2008?



Yellowdine area, Western Australia, Australia


Biology & Ecology










Original scientific description:

Wilson, Paul Graham. (1998). A taxonomic review of the genera Eriostemon and Philotheca (Rutaceae: Boronieae). Nuytsia 12(2): 239-265.


Other references:

Brown, A., C. Thomson-Dans & N. Marchant, eds. (1998). Western Australia's Threatened Flora. Como, Western Australia: Department of Conservation and Land Management.

Department of the Environment. (2015). Philotheca falcata in Species Profile and Threats Database, Department of the Environment, Canberra. Available from: Accessed Sat, 7 Feb 2015 18:37:43 +1100.

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.

Hopper, S.D., S. van Leeuwen, A.P. Brown & S.J. Patrick (1990). Western Australia's Endangered Flora and other plants under consideration for declaration. Perth, Western Australia: Department of Consrvation and Land Management.

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. [Abstract] [Supplementary Dataset 1]

Leigh, J., Boden, R. and Briggs, J. (1984). Extinct and Endangered Plants of Australia. Melbourne, Victoria: Macmillan.

Mollemans, F. H. (1996). The search for Eriostemon falcatus, a presumed extinct species from southern Western Australia. W. Austral. Nat. 21(1): 55-57.

Mollemans, F. H. (1998). Drummondita wilsonii, Philotheca langei and P. basistyla (Rutaceae), new species from south-west Western Australia. Nuytsia 9(1): 95-109.

Western Australian Herbarium (2013). FloraBase: The Western Australian Flora. [Online]. Available from:

Wilson, Paul Graham. (1970). A Taxonomic Revision of the genera Crowea, Eriostemon and Phebalium (Rutaceae). Nuytsia. 1:1-155.


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