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Australia, CC BY-SA 2.0 <>, via Wikimedia Commons" href="">Acacia aculeatissima (Thin-leaf Wattle). (24368360674)

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 aculeatissima

Acacia aculeatissima J.F.Macbr., 1919

Acacia tenuifolia F.Muell.
Racosperma aculeatissimum (J.F.Macbr.) Pedley

Native distribution areas:
Acacia aculeatissima

Continental: Australasia
Regional: Australia
New South Wales, Victoria

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

Macbride, J.F., 1919. Contributions from the Gray Herbarium of Harvard University. Cambridge, MA 59:6.


Govaerts, R. et al. 2020. Acacia aculeatissima 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 aculeatissima. Published online. Accessed: Jul 24 2019. 2019. Acacia aculeatissima. Missouri Botanical Garden. Published on the internet. Accessed: 2019 Jul 24.
Hassler, M. Jul. Acacia aculeatissima. 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 aculeatissima in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: 09-Oct-10.

Vernacular names

Acacia aculeatissima, commonly known as thin-leaf wattle or snake wattle,[1] is a shrub belonging to the genus Acacia and the subgenus Phyllodineae that is native to parts of eastern Australia.


The shrub has an erect to decumbent habit and typically grows to a height of 0.3 to 1 m (1 ft 0 in to 3 ft 3 in)[2] and has ribbed stems that are covered in stiff short hairs. The phyllodes are fine and prickly with a length of 5 to 12 mm (0.20 to 0.47 in) and a width of 0.5 to 1 mm (0.020 to 0.039 in) and have four veins that are usually bent downwards.[3] It blooms between August and November and produces inflorescences with pale yellow flowers.[2] Each inflorescence occurs a one to three spherical flowers on individual stalks found in the leaf axils. After flowering narrow seed pods form that are straight or shallowly curved to with a length of around 6 cm (2.4 in).[3]

The species was first formally described by the botanist James Francis Macbride in 1919 in the article Notes on certain Leguminosae s published in the Contributions of the Gray Herbarium of Harvard University. The only synonyms are Acacia tenuifolia and Racosperma aculeatissimum.[4]

It is found in south western New South Wales where it is considered rare and Victoria where it is more common. It is often a part of Eucalypt forest communities and grows in sandy loamy clay soils over sedimentary substrate.[2]
See also

List of Acacia species


"Acacia aculeatissima J.F.Macbr". Wattle - Acacias of Australia. Department of the Environment and Energy. Retrieved 28 February 2019.
"Acacia aculeatissima J.F.Macbr". PlantNet. Royal Botanic Garden, Sydney. Retrieved 28 February 2019.
"Acacia aculeatissima". Yarra Ranges Shire Council. 2009. Retrieved 28 February 2019.
"Acacia aculeatissima J.F.Macbr". Atlas of Living Australia. Global Biodiversity Information Facility. Retrieved 28 February 2019.

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