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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 applanata

Acacia applanata Maslin, 1995

Acacia benthamii var. angustior (Meisn.) Heynh.
Acacia diptera var. angustior Meisn.
Acacia diptera var. eriocarpa W.Fitzg.
Racosperma applanatum (Maslin) Pedley

Native distribution areas:
Acacia applanata

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., 1995. Nuytsia; Bulletin of the Western Australian Herbarium 10(2): 158 (1995).


Govaerts, R. et al. 2020. Acacia applanata 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 25. Reference page.
International Plant Names Index. 2019. Acacia applanata. Published online. Accessed: Jul 25 2019. 2019. Acacia applanata. Missouri Botanical Garden. Published on the internet. Accessed: 2019 Jul 25.
Hassler, M. Jul. Acacia applanata. 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 25 {{{3}}}. Reference page.

Vernacular names
العربية: سنط مسطح
English: Grass Wattle

Acacia applanata, also known as golden grass wattle[1] or grass wattle,[2] is a grasslike shrub belonging to the genus Acacia and subgenus Alatae. It is native to the south west of Western Australia.[3]


The shrub is erect or sometimes sprawling and typically grows to a height of 0.5 to 1.0 metre (2 to 3 ft).[3] The stems are suckering and can spread.[4] It has few phyllodes which are continuous with branchlets and form opposite wings with each one extending to the next beneath. The glabrous dark greenwings are 0.5 to 3 millimetres (0.02 to 0.12 in) in width. The free portion of each phyllode usually has a length of 1.5 to 5 millimetres (0.06 to 0.20 in).[2] It produces yellow flowers between July and October in winter and spring.[3] Each inflorescences has one to four globular heads containing 10 to 20 golden flowers. Following flowering curved flat seed pods with a length of around 30 mm (1.2 in) and a width of 7 to 8 mm (0.28 to 0.31 in) form. The pods contain oblong to elliptic seeds that are 3 to 4 mm (0.12 to 0.16 in) in length.[2]

The species was originally described by Bruce Maslin in 1995 as part of the work Acacia Miscellany 13. Taxonomy of some Western Australian phyllocladinous and aphyllodinous taxa (Leguminosae: Mimosoideae) as published in the journal Nuytsia.[5] It was briefly reclassified as Racosperma applanatum by Leslie Pedley in 2003 but classified back into the genus Acacia in 2006.[5] Other synonyms include; Acacia diptera, Acacia diptera var. angustior, Acacia benthamii var. angustior and Acacia diptera var. eriocarpa.[5]

The species name applanata is taken from the Latin word applanatus, which means flattened or horizontally expanded referring to the nature of the phyllodes.[6]

Until 1995, the closely related Acacia willdenowiana was considered to be the same species as A. applanata.[7] It also strongly resembles Acacia anomala and can hybridize with Acacia alata var. alata.[2]

It has a scattered distribution from the west coast in the Wheatbelt region south through the Peel, South West and east into the Great Southern region.[3] Found as far north as Jurien and south to Albany it is usually part of open woodland, woodland and forest communities and sometimes occasionally in areas of shrubland. Often in found in winter wet depressions growing in sandy and loam lateritic soils.[2]

The species is commercially available in seed form. The seeds need to be treated with hot water prior to planting.[1] It requires well-drained soils a position in part to full sun.[4] It can be used in rehabilitation work, along verges or as a feature plant in a native garden.
See also

List of Acacia species


"Acacia applanata Golden grass wattle". Nindethana Seed Company. 2018. Retrieved 31 August 2018.
"Acacia applanata". World Wide Wattle. Western Australian Herbarium. Retrieved 31 August 2018.
"Acacia applanata". FloraBase. Western Australian Government Department of Parks and Wildlife.
"Native Plant Search". Friends of King Park. Archived from the original on 31 August 2018. Retrieved 31 August 2018.
"Acacia applanata Maslin". Atlas of Living Australia. Global Biodiversity Information Facility. Retrieved 31 August 2018.
"Acacia applanata". Friends of Queens Park bushland. Retrieved 31 August 2018.
"Acacia willdenowiana Common name: Grass Wattle". Friends of Queens Park bushland. Retrieved 31 August 2018.

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