Prasophyllum morganii Nicholls, 1930:179

Mignonette leek-orchid, Cobungra leek-orchid, Dense leek-orchid



Taxonomy & Nomenclature

Synonym/s: Prasophyllum retroflexum D.L.Jones (2000)


Conservation Status

Last record: 1933

Rediscovered in 2020



New South Wales & Victoria, Australia


Biology & Ecology










Original scientific description:

Nicholls, W. H. (1930). A New Prasophyllum. The Victorian Naturalist 46(9): 179, pl. VII.


Other references:

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]

Ayre, Bronwyn M. et al. (2022). The Kiandra leek orchid is the previously presumed extinct mignonette leek orchid (Orchidaceae; Orchidoideae): evidence from morphological comparisons. Phytotaxa 528(2): 71-83.

Backhouse, G. N. and Jeanes, J. A. (1995). The Orchids of Victoria. Carlton: Miegunyah Press, Melbourne University Press.

Bishop, A. (2000). Field Guide to the Orchids of New South Wales and Victoria. Sydney, NSW: University of New South Wales Press.

Coates, Fiona, Jeanes, Jeff and Pritchard, Andrew. (2002). National Recovery Plan for Twenty-five Threatened Orchid taxa of Victoria, South Australia and New South Wales 2003-2007. Melbourne: Department of Sustainability and Environment.

Department of the Environment (2016). Prasophyllum morganii in Species Profile and Threats Database, Department of the Environment, Canberra. Available from: Accessed Fri, 16 Sep 2016 19:40:21 +1000.

Duncan, Mike and Coates, Fiona. (2010). National Recovery Plan for Twenty-two Threatened Orchids in South-eastern Australia. Department of Sustainability and Environment, Melbourne.

Freestone, Marc William. (2022). Conservation of Prasophyllum: understanding mycorrhizal fungi to save a genus of threatened orchids from extinction. PhD thesis, Research School of Biology, The Australian National University.

Jones, D. L. (2000). Ten new species of Prasophyllum R. Br. (Orchidaceae) from South-eastern Australia. The Orchadian 13(4): 149-173.

Jones, D. L. (2006). A complete guide to Native Orchids of Australia, including the island Territories. Sydney, NSW: New Holland Publishers (Australia) Pty Ltd.

McDougall, K. L. and Walsh, N. G. (2002). The flora of Nungar Plain, a treeless sub-alpine frost hollow in Kosciuszko National Park. Cunninghamia. 7(3): 601-610.

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.


<< Back to the Asparagales database