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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 andrewsii

Acacia andrewsii W.Fitzg., 1904
Native distribution areas:
Acacia andrewsii

Continental: Australasia
Regional: Australia
Western Australia

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

Fitzgerald, W. V., 1904. Journal of Proceedings of the Mueller Botanic Society of Western Australia, Perth, W.A. 1:6. 1904


Govaerts, R. et al. 2020. Acacia andrewsii in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the internet. Accessed: 2020 Jul 24. Reference page.
International Plant Names Index. 2019. Acacia andrewsii. Published online. Accessed: Jul 24 2019. 2019. Acacia andrewsii. Missouri Botanical Garden. Published on the internet. Accessed: 2019 Jul 24.
Hassler, M. Jul. Acacia andrewsii. 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. Jul. Species 2000 & ITIS Catalogue of Life. Published on the internet. Accessed: Jul 24 {{{3}}}. Reference page.
USDA, ARS, Germplasm Resources Information Network. Acacia andrewsii in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: 09-Oct-10.

Vernacular names

Acacia andrewsii is a shrub belonging to the genus Acacia and the subgenus Phyllodineae that is endemic to western Australia.


The spreading and prickly shrub typically grows to a height of 0.3 to 2 metres (1 to 7 ft).[1] It has glabrous to subglabrous branchlets with a light grey coloured epidermis and spinose 1 to 1.5 mm (0.039 to 0.059 in) long stipules. The sessile, patent, rigid green phyllodes have a slightly inequilaterally narrowly oblong to narrowly oblong-elliptic or lanceolate shape that is sometimes linear. The phyllodes are 7 to 22 mm (0.28 to 0.87 in) in length and 1 to 2 mm (0.039 to 0.079 in) wide with a prominent midrib.[2] It blooms from June to August and produces yellow flowers.[1] The simple inflorescences occur singly in the axils and have spherical flowerheads containing 20 to 30 golden coloured flowers. After flowering curved, sub-woody, red-brown seed pods form that are terete to compressed and quadrangular by broad margins. The pods are 6.5 cm (2.6 in) in length and 4 to 5 mm (0.16 to 0.20 in) wide with oblong to elliptic shaped seeds with a length of 3.5 to 5 mm (0.14 to 0.20 in).[2]

The species was first formally described by the botanist William Vincent Fitzgerald in 1904 as a part of the work Additions to the West Australian Flora as published in the Journal of the West Australian Natural History Society. It was reclassified in 2003 by Leslie Pedley as Racosperma andrewsii then transferred back to genus Acacia in 2006.[3] The ype specimen was collected by C.P.R.Andres in 1903 from near Watheroo.[2]

It is native to an area in the Mid West, Goldfields-Esperance and Wheatbelt regions of Western Australia where it found on low limestone or lateritic hills or among granite outcrops growing in a variety of different soil types.[1] The distribution of the shrub extends from Kalbarri in the north to around Nyabing in the south and as far inland as to the east of Norseman as a part of scrub, shrubland or mallee communities or in more coastal areas in coastal heath.[2]
See also

List of Acacia species


"Acacia andrewsii". FloraBase. Western Australian Government Department of Parks and Wildlife.
"Acacia andrewsii". World Wide Wattle. Western Australian Herbarium. Retrieved 24 June 2019.
"Acacia andrewsii W.Fitzg". Atlas of Living Australia. Global Biodiversity Information Facility. Retrieved 25 June 2019.

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