Opercularia acolytantha Diels, 1905:547
Esperance dog weed
Taxonomy & Nomenclature
Conservation Status
Last (and only) record: 1901 (Silcock et al., 2019:SM:19)
Rediscovered in 1968 (Silcock et al., 2019:SM:19)
Still listed as Extinct by (Humphreys et al., 2019)
Distribution
near Esperance, Western Australia, Australia
Biology & Ecology
Hypodigm
Media
References
Original scientific description:
Diels, F. L. E. & E. Pritzel (1904). Fragmenta Phytographiae Australiae occidentalis: Beitrage zur Kenntnis der Pflanzen Westaustraliens, ihrer Verbreitung und ihrer Lebensverhaltnisse. Botanische Jahrbucher fur Systematik. 35: ??-??.
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). Opercularia acolytantha in Species Profile and Threats Database, Department of the Environment, Canberra. Available from: http://www.environment.gov.au/sprat. Accessed Sat, 7 Feb 2015 13:38:43 +1100.
Craig, Gillian F. and Coates, David J. (2001). Declared Rare and Poorly Known Flora in the Esperance District. Western Australian Wildlife Management Program No. 21. Bentley: Department of Conservation and Land Management.
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]
Markey, A. S. (2018). By their fruit you will recognise them: species notes and typifications in Western Australian species of Opercularia (Rubiaceae: Anthosperminae). Nuytsia 29: 119-140.
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.