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Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Rosids
Cladus: Eurosids I
Ordo: Fabales

Familia: Fabaceae
Subfamilia: Caesalpinioideae
Tribus: Acacieae
Genus: Acacia
Species: Acacia grasbyi

Acacia grasbyi Maiden, 1917

Racosperma grasbyi (Maiden) Pedley

Native distribution areas:
Acacia grasbyi

Continental: Australasia
Regional: Australia
New South Wales, South Australia, Western Australia

References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition
Primary references

Maiden, J.H. , 1917. Journal and proceedings of the Royal Society of New South Wales 51:251.


Govaerts, R. et al. 2020. Acacia grasbyi in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2020 Aug 03. Reference page.
International Plant Names Index. 2019. Acacia grasbyi. Published online. Accessed: Aug 03 2019. 2019. Acacia grasbyi. Missouri Botanical Garden. Published online. Accessed: 03 Aug 2019.
Hassler, M. Aug. Acacia grasbyi. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. van, Zarucchi, J. & Penev, L., eds. Aug. Species 2000 & ITIS Catalogue of Life. Published online. Accessed: Aug 03 {{{3}}}. Reference page.
USDA, ARS, Germplasm Resources Information Network. Acacia grasbyi in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: 09-Oct-10.

Vernacular names
English: Miniritchie

Acacia grasbyi, commonly known as miniritchie, is a shrub or tree in the family Fabaceae that is endemic to parts of arid western and central Australia.


Miniritchie grows is a shrubby tree to a height of 1 to 6 m (3 ft 3 in to 19 ft 8 in)[1] and a width of 3 to 5 m (9.8 to 16.4 ft)[3] and has a many branched, rounded or flat topped habit.[1] It typically has several main stems. These are often twisted, and are always covered in distinctive red to brown coloured minni ritchi bark,[3] which peels in small curly flakes. Like most Acacia species, it has phyllodes rather than true leaves. These are rigid, round in cross-section with a diameter of about a millimetre, and up to nine centimetres long. It blooms between May and October[1] and produces yellow coloured flowers that are held in cylindrical clusters about three centimetres long and five millimetres in diameter, on stalks about two centimetres long. The pods are brown, up to eleven centimetres long, with tight constrictions between the seeds.

The species was first formally described by the botanist Joseph Maiden in 1917 as part of the work Notes on Acacia, No. III. — extra-tropical Western Australia (including descriptions of new species) as published in the Journal and Proceedings of the Royal Society of New South Wales.[1][2] It was reclassified by Leslie Pedley in 2003 as Racosperma grasbyi but returned to genus Acacia in 2006.[4]

It is native throughout the arid interior of Western Australia, with isolated populations in South Australia and the Northern Territory.[3] In Western Australia it has a scattered throughout the Mid West, northern Wheatbelt and Gascoyne regions as well as smaller populations in the Pilbara and northern Goldfields regions where it is often situated on rocky rises and hills, stony or clay flats as well as undulating sandplains where it grows in sandy red lateritic soils[1] often as a part of Acacia scrubland communities.[3]
See also

List of Acacia species


"Acacia grasbyi". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
Maiden, J.H. (1917). "Notes on Acacia, No. III. — extra-tropical Western Australia (including descriptions of new species)". Journal and Proceedings of the Royal Society of New South Wales. 51: 251.
"Acacia grasbyi". Flora of Australia Online. Department of the Environment and Heritage, Australian Government.

"Acacia grasbyi Maiden". Atlas of Living Australia. Global Biodiversity Information Facility. Retrieved 26 October 2019.

Mitchell, A. A.; Wilcox, D. G. (1994). Arid Shrubland Plants of Western Australia, Second and Enlarged Edition. University of Western Australia Press, Nedlands, Western Australia. ISBN 978-1-875560-22-6.

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