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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 sedifolia
Subspecies: A. s. var. pulvinata – A. s. var. sedifolia

Acacia sedifolia Maiden & Blakely, 1927

Racosperma sedifolium (Maiden & Blakely) Pedley

Native distribution areas:
Acacia sedifolia

Continental: Australasia
Regional: Australia
Western Australia

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

Maiden, J.H. & Blakely, W.F., 1927. Journal of the Royal Society of Western Australia 13: 3.


Govaerts, R. et al. 2020. Acacia sedifolia in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the internet. Accessed: 2020 Aug 14. Reference page.
International Plant Names Index. 2019. Acacia sedifolia. Published online. Accessed: Aug 14 2019. 2019. Acacia sedifolia. Missouri Botanical Garden. Published on the internet. Accessed: 2019 Aug 14.
Catalogue of Life: 2021 Annual Checklist
Acacia sedifolia – Taxon details on World Wide Wattle.

Vernacular names

Acacia sedifolia is a shrub of the genus Acacia and the subgenus Phyllodineae that is endemic to south western Australia.


The shrub typically grows to a height of 0.3 to 2.0 metres (1 to 7 ft).[1] It has a dense, rounded habit and has a diameter of around 3 m (9.8 ft). The resinous, glabrous branchlets are aromatic when crushed. The thick green nerveless phyllodes are crowded on the branchlets and have an oblong to asymmetrically cuneate shape that is recurved at least at the apex. The terete to flat, ascending to erect phyllodes have a length of 2 to 5 mm (0.079 to 0.197 in) and a width of 0.5 to 1.5 mm (0.020 to 0.059 in) and are obliquely narrowed to a distinct, acute point.[2] It blooms from June to August and produces yellow flowers.[1]

It was first formally described by the botanists Joseph Maiden and William Blakely in 1928 as part of the work Descriptions of fifty new species and six varieties of western and northern Australian Acacias, and notes on four other species as published in the Journal of the Royal Society of Western Australia. It was reclassified as Racosperma sedifolium in 2003 by Leslie Pedley then transferred back to genus Acacia in 2006.[3] There are two recognised subspecies:

Acacia sedifolia subsp. pulvinata
Acacia sedifolia subsp. sedifolia


It is native to an area in the Wheatbelt region of Western Australia where it is found on ridges and hill tops in areas of laterite growing in gravelly sand, clay or loam soils.[1]
See also

List of Acacia species


"Acacia sedifolia". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
"Acacia sedifolia". World Wide Wattle. Western Australian Herbarium. Retrieved 4 June 2019.
"Acacia sedifolia Maiden & Blakely". Atlas of Living Australia. Global Biodiversity Information Facility. Retrieved 4 June 2019.

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