Leptomeria dielsiana Pilger, 1906:103

Diels’ currant bush, Diels’ leptomeria



Taxonomy & Nomenclature



Conservation Status

Missing  (Silcock et al., 2019:SM:10 [as 'Possibly extinct']) or Extinct (Humphreys et al., 2019)

Last record: 1957 (Silcock et al., 2019:SM:10)


"Collected by Drummond in 1844 then again in 1957. Possible that species is very difficult to find rather than being truly rare"

(Silcock et al., 2019:SM:10)


Distribution & Habitat

Scott River area, Western Australia, Australia


"Scrubby heath"

(Silcock et al., 2019:SM:10)


Biology & Ecology










Albani Rocchetti, G., Carta, A., Mondoni, A. et al. (2022). Selecting the best candidates for resurrecting extinct-in-the-wild plants from herbaria. Nature Plants 8: 1385-1393. [Supplementary Tables S1-S6]

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

Department of the Environment. (2015). Leptomeria dielsiana in Species Profile and Threats Database, Department of the Environment, Canberra. Available from: Accessed Sun, 8 Feb 2015 13:51:40 +1100.

Department of Environment and Conservation (DEC). (2008). Records held in DEC’s Declared Rare Flora Database and rare flora files, Department of Environment and Conservation, Western Australia.

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. [Supplementary Dataset 1]

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.

Lepschi, B. J. (1999). Taxonomic Revision of Leptomeria (Santalaceae). Australian Systematic Botany 12: 55-100.

O'Donoghue, Mike and Atkins, Ken. (2000). Lost Jewels in the Bush. Landscope 15(3): 23-27.

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.

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.


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