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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 newbeyi

Acacia newbeyi Maslin, 1975

Racosperma newbeyi (Maslin) Pedley

Native distribution areas:
Acacia newbeyi

Continental: Australasia
Regional: Australia
Western Australia

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

Maslin, B.R., 1975. Nuytsia; Bulletin of the Western Australian Herbarium 1 (5): 423.


Govaerts, R. et al. 2020. Acacia newbeyi 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 newbeyi. Published online. Accessed: Aug 10 2019. 2019. Acacia newbeyi. Missouri Botanical Garden. Published online. Accessed: 10 Aug 2019.
Catalogue of Life: 2021 Annual Checklist
Acacia newbeyi – Taxon details on World Wide Wattle.

Vernacular names

Acacia newbeyi is a shrub of the genus Acacia and the subgenus Pulchellae that is endemic to an area of south western Australia.


The openly branched and pungent shrub typically grows to a height of 0.3 to 1 metre (1 to 3 ft)[1] and has coarsely pungent and hairy branchlets. The leaves are more or less glabrous and composed of one pair of pinnae with a length of 1.5 to 2.5 mm (0.059 to 0.098 in) with two pairs of grey-green slightly thickened pinnules that have an oblong to obovate shape with a length 2 to 5 mm (0.079 to 0.197 in) and a width of 1 to 2 mm (0.039 to 0.079 in) which narrow asymmetrically at the apex.[2] It blooms from July to August and produces yellow flowers.[1] The rudimentary inflorescences are located on single headed racemes and have spherical flower-heads containing 10 to 13 pale yellow coloured flowers. Following flowering thinly leathery and hairy seed pods with a length of 2 to 3 cm (0.79 to 1.18 in) and a width of 3 to 4 mm (0.12 to 0.16 in) are formed. The glossy seeds inside have an oblong to elliptic shape with a length of 2 to 2.5 mm (0.079 to 0.098 in)[2]

The species was first formally described by the botanist Bruce Maslin in 1975 as a part of the work Studies in the genus Acacia (Mimosaceae) - A Revision of Series Pulchellae as published in the journal Nuytsia. It was reclassified by Leslie Pedley in 2003 as Racosperma newbeyi then transferred back to genus Acacia in 2006.[3]

It is native to an area in the Wheatbelt and Great Southern regions of Western Australia where it is found growing in gravelly lateritic soils.[1] The range of the plant extends from around Nyabing to near Boxwood Hill in the west to west of Ravensthorpe in the east where it is often a part of tall, occasionally open, shrubland communities that are often dominated by species of mallee.[2]
See also

List of Acacia species


"Acacia newbeyi". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
"Acacia newbeyi Maslin". Wattle - Acacias of Australia. Lucid Central. Retrieved 12 February 2021.
"Acacia newbeyi Maslin". Atlas of Living Australia. Global Biodiversity Information Facility. Retrieved 12 February 2021.

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