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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 wilsonii
Name

Acacia wilsonii R.S.Cowan & Maslin, 1999
Synonyms

Racosperma wilsonii (R.S.Cowan & Maslin) Pedley

Distribution
Native distribution areas:
Acacia wilsonii

Continental: Australasia
Regional: Australia
Western Australia

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

Maslin, B.R., 1999. Nuytsia; Bulletin of the Western Australian Herbarium. South Perth, W.A. 12(3): 449.

Links

Govaerts, R. et al. 2020. Acacia wilsonii in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2020 Aug 18. Reference page.
International Plant Names Index. 2019. Acacia wilsonii. Published online. Accessed: Aug 18 2019.
Tropicos.org 2019. Acacia wilsonii. Missouri Botanical Garden. Published online. Accessed: 18 Aug 2019.
Catalogue of Life: 2021 Annual Checklist
Acacia wilsonii – Taxon details on World Wide Wattle.

Vernacular names

Acacia wilsonii, also known as Wilson's wattle, is a shrub of the genus Acacia and the subgenus Plurinerves that is endemic to a small area of western Australia. It was listed as an endangered species in 2018 according to the Environment Protection and Biodiversity Conservation Act 1999 by Australian authorities and according to Biodiversity Conservation Act 2016 by Western Australian authorities.[3]

Description

The low, spreading and wiry shrub typically grows to a height of 0.2 to 0.5 metres (0.7 to 1.6 ft)[1] and tends to have horizontal branches. Like most species of Acacia it has phyllodes rather than true leaves. The erecrt, cyclindrical and evergreen phyllodes have a length of up to about 13 cm (5.1 in). When it blooms it produces spherical flower-heads that are golden yellow. The seed pods that form after flowering have a linear shape with a length up to 5.5 cm (2.2 in) and hold dull brown oblong shaped seeds.[3]
Taxonomy

The species was first formally described by the botanists Richard Sumner Cowan and Bruce Maslin in 1999.[2] The specific epithet honors Paul G. Wilson who collected the type specimen.[3]
Distribution

It is native to an area in the Wheatbelt and Mid West regions of Western Australia.[1] The range of the species extends from around Eneabba in the north and down to around Badgingarra in the south where it is found growing in sandy or loamy soils usually over laterite and commonly situated on hills or slopes as a part of open heath or mallee woodland communities. It is found to be associated with Eucalyptus suberea, Allocasuarina campestris, Calothamnus quadrifidus, Eucalyptus gittinsii, Eucalyptus eudesmioides, Eucalyptus accedens and Grevillea amplexans.[3]
See also

List of Acacia species

References

"Acacia wilsonii". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
Cowan, R.S.; Maslin, B.R. (1999). "Acacia miscellany 17. Miscellaneous new taxa and lectotypifications in Western Australian Acacia, mostly section Plurinerves (Leguminosae: Mimosoideae)". Nuytsia. 12 (3): 449.
"Wilson's Wattle (Acacia wilsonii)". Threatened species of the week. Northern Agricultural Catchments Council. Retrieved 30 January 2021.date=24 May 2018}}

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