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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 semilunata

Acacia semilunata Maiden & Blakely, 1927

Racosperma semilunatum (Maiden & Blakely) Pedley

Native distribution areas:
Acacia semilunata

Continental: Australasia
Regional: Australia

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

Maiden, J.H. & Blakely, W.F., 1927. Proc. Roy. Soc. Queensland 38: 118.


Govaerts, R. et al. 2020. Acacia semilunata in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the internet. Accessed: 2020 Aug 14. Reference page.
International Plant Names Index. 2019. Acacia semilunata. Published online. Accessed: Aug 14 2019. 2019. Acacia semilunata. Missouri Botanical Garden. Published on the internet. Accessed: 2019 Aug 14.
Catalogue of Life: 2020 Annual Checklist
Acacia semilunata – Taxon details on World Wide Wattle.

Vernacular names

Acacia semilunata is a shrub or tree belonging to the genus Acacia and the subgenus Phyllodineae native to north eastern Australia.


The shrub or tree typically grows to a height of 5 metres (16.4 ft). It has terete branchlets that can be covered in a fine white powdery coating. The branchlets are rarely glabrous and more often sparsely to moderately pubescent with spreading, straight hairs. Like most species of Acacia it has phyllodes rather than true leaves. The thin grey-green phyllodes look crowded on their stem projections and usually have an inequilaterally narrowly elliptic to oblong-oblanceolate shape. They are 1.5 to 3 cm (0.59 to 1.18 in) in length and 5 to 9 mm (0.20 to 0.35 in) wide and are glabrous except few marginal hairs near base. The racemose inflorescences are aggregated in the upper axils and have sperical flower-heads containing 15 to 20 golden flowers. The glabrous and firmly chartaceous seed pods that form after flowering are linear to shallowly curved with a length of up to 8 cm (3.1 in) and a width of 4 to 5 mm (0.16 to 0.20 in). The shiny blacks seeds are arranged longitudinally inside the pods with an oblong shape and a length of 4 to 4.5 mm (0.16 to 0.18 in).[2]

It is endemic only in a small area in south eastern Queensland from around Knockbreak Station in the north to near Stanthorpe in the south where it is found on low rocky hills growing in sandy-loamy soils as a part of open Eucalyptus woodland communities.[2]
See also

List of Acacia species


"DOI Details". doi:10.26197/5c0b1388984eb. Retrieved 8 December 2018.
"Acacia semilunata". World Wide Wattle. Western Australian Herbarium. Retrieved 6 June 2019.

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