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Acacia oxycedrus

Acacia oxycedrus (Photo: * )

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 oxycedrus

Acacia oxycedrus Sieber ex DC., 1825

Acacia oxycedrus var. densiflora Guilf.
Acacia oxycedrus var. microstachys Regel
Acacia taxifolia G.Lodd.
Hecatandra oxycedrus Raf.
Racosperma oxycedrus (Sieber ex DC.) Pedley

Native distribution areas:
Acacia oxycedrus

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

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

Sieber, F.W. in De Candolle, A.P., 1825. Prodromus systematis naturalis regni vegetabilis 2:453.


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

Vernacular names
English: Spike Wattle

Acacia oxycedrus, commonly known as spike wattle,[2] is an erect or spreading shrub which is endemic to Australia.[2]


The prickly shrub grows to a height of 1 to 3 m (3 ft 3 in to 9 ft 10 in) and has a width of around 2 m (6 ft 7 in)with a dense habit.[3] Like most species of Acacia it has phyllodes rather than true leaves. The dark green, rigid and sharp-pointed phyllodes have three or four prominent longitudinal veins. The bright yellow to pale yellow cylindrical flowerheads appear in groups of one to three in the axils of the phyllodes from July to October, followed by straight or slightly curved seed pods which are 4 to 10 cm (3.9 in) long and 3 to 6 mm (0.12 to 0.24 in) wide.[2]

The species occurs on sandy soil in dry sclerophyll forest or heath in South Australia, Victoria and New South Wales.[2]

The shrub is available commercially but can be propagated by seed scarification or using boiling water. It grows well in open sun and in a well drained position in most soil types. It is frost hardy and useful for road batters or as a screen or hedge plant that will form an impenetrable barrier.[3]
See also

List of Acacia species

Ku-ring-gai Chase NP


"Acacia oxycedrus". Australian Plant Name Index (APNI), IBIS database. Centre for Plant Biodiversity Research, Australian Government, Canberra. Retrieved 29 August 2009.
"Acacia oxycedrus". PlantNET - New South Wales Flora Online. Royal Botanic Gardens & Domain Trust, Sydney Australia. Retrieved 30 August 2009.
"Acacia oxycedrus Spike wattle". Wattles - Genus Acacia. Australian National Botanic Gardens. Retrieved 31 March 2020.

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