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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 uncifera

Acacia uncifera Benth., 1848

Racosperma unciferum (Benth.) Pedley

Native distribution areas:
Acacia uncifera

Continental: Australasia
Regional: Australia

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

Bentham, G. in T. L. Mitchell, 1848. Journal of an Expedition into the interior of Tropical Australia 341.


Govaerts, R. et al. 2020. Acacia uncifera in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2020 Aug 17. Reference page.
International Plant Names Index. 2019. Acacia uncifera. Published online. Accessed: Aug 17 2019. 2019. Acacia uncifera. Missouri Botanical Garden. Published online. Accessed: 17 Aug 2019.
Catalogue of Life: 2021 Annual Checklist
Acacia uncifera – Taxon details on World Wide Wattle.
USDA, ARS, Germplasm Resources Information Network. Acacia uncifera in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: 09-Oct-10.

Vernacular names

Acacia uncifera is a shrub or tree belonging to the genus Acacia and the subgenus Phyllodineae native to north eastern Australia.


The shrub or tree typically grows to a height of 2 to 5 metres (6.6 to 16.4 ft) and has a straggly to willowy habit. It has branchlets that are covered in short velvety hairs. The green patent to erect phyllodes have a narrowly oblong to narrowly elliptic shape and gave a length of 2 to 5 cm (0.79 to 1.97 in) and a width of 6 to 15 mm (0.24 to 0.59 in) with a prominent midrib. When it blooms it produces inflorescences in groups of 10 to 20 along racemes that are 5 to 8 cm (2.0 to 3.1 in) long. The spherical flower-heads contain 25 to 30 bright golden flowers. After flowering thinly coriaceous, velvety seed pods form that are variably constricted between the seeds and have a length of up to around 6.5 cm (2.6 in) and a width of 6 to 10 mm (0.24 to 0.39 in).. The dull black seeds within are arranged obliquely to transversely and have an elliptic shape with a length of around 4 to 5 mm (0.16 to 0.20 in).[1]

The species was first formally described by the botanist George Bentham in 1848 as part of Thomas Mitchell's work Journal of an Expedition into the Interior of Tropical Australia. It was reclassified as Racosperma unciferum by Leslie Pedley in 1987 then transferred back to genus Acacia in 2001.[2]

It is endemic only in a small area in Queensland from the White Mountains to Torrens Creek and the headwaters of the Nogoa River where it is found on plains and hills where it grows in sandy soils over and around sandstone as a part of open forest or woodland communities composed of Angophora and Eucalyptus species.[1]
See also

List of Acacia species


"Acacia uncifera". World Wide Wattle. Western Australian Herbarium. Retrieved 11 June 2019.
"Acacia uncifera Benth". Atlas of Living Australia. Global Biodiversity Information Facility. Retrieved 1 September 2019.

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