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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 nematophylla

Acacia nematophylla F.Muell. ex Benth.

Racosperma nematophyllum (F.Muell. ex Benth.) Pedley

Native distribution areas:
Acacia nematophylla

Continental: Australasia
Regional: Australia
South Australia

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

Mueller, F.J.H. v., 1855. Linnaea. Ein Journal für die Botanik in ihrem ganzen Umfange 26: 612.


Govaerts, R. et al. 2020. Acacia nematophylla in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2020 Aug 09. Reference page.
International Plant Names Index. 2019. Acacia nematophylla. Published online. Accessed: Aug 09 2019. 2019. Acacia nematophylla. Missouri Botanical Garden. Published online. Accessed: 09 Aug 2019.
Catalogue of Life: 2021 Annual Checklist
Acacia nematophylla – Taxon details on World Wide Wattle.

Vernacular names
English: coast wallowa

Acacia nematophylla, commonly known as coast wallowa,[1] is a shrub belonging to the genus Acacia and the subgenus Phyllodineae where it is endemic to southern Australia.


The shrub typically grows to a height of around 2.5 m (8 ft 2 in) and has a bushy habit. It has glabrous branchlets that are angled at the extremities. The ascending to erect, grey-green phyllodes are flat with a narrowly linear shape and are straight or slightly curved. The phyllodes are around 2 to 4 cm (0.79 to 1.57 in) in length and have a width of 0.7 to 1.5 mm (0.028 to 0.059 in).[2] The shrub flowers almost year-round with the exception of June with a peak between November and February.[1] It has simple inflorescences simple that occur singly in the axils with spherical flower-heads containing 28 to 41 yellow flowers. The sub-woody linear brown seed pods that form after flowering have a length of 11 cm (4.3 in) and a width of 5 to 6 mm (0.20 to 0.24 in). The pods contain oblong to elliptic shaped slightly shiny, dark brown to black coloured seeds that are 4 to 5 mm (0.16 to 0.20 in) in length.[2]

The species was first formally described by the botanist George Bentham in 1855 as part of the work Plantae Muellerianae: Mimoseae a spublished in Linnaea: ein Journal für die Botanik in ihrem ganzen Umfange, oder Beiträge zur Pflanzenkunde. It was reclassified as Racosperma nematophyllum by Leslie Pedley in 2003 then transferred back genus Acacia in 2006.[3] The specific epithet is taken from the Greek word nemato meaning thread-like and phyllon meaning leaf in reference to the shape of the phyllodes.[2]

It is native to areas on the Eyre Peninsula, southern Yorke Peninsula and Fleurieu Peninsula of South Australia where it is found among sand dunes growing in sandy soils.[2]
See also

List of Acacia species


"Acacia nematophylla (Leguminosae) Coast Wallowa". Seeds of South Australia. Government of South Australia. Retrieved 30 May 2019.
"Acacia nematophylla". World Wide Wattle. Western Australian Herbarium. Retrieved 30 May 2019.
"Acacia nematophylla F.Muell. ex Benth". Atlas of Living Australia. Global Biodiversity Information Facility. Retrieved 30 May 2019.

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