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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 arbiana

Acacia arbiana Pedley

Austrobaileya 5(2): 307 (1999).

Acacia arbiana is a species of wattle that is endemic to Queensland.


The wattle grows as a spreading shrub typically to height of 1.5 m (4 ft 11 in). It has ribbed branchlets. The green, linear, straight phyllodes are narrowed into a long curved mucro. The phyllodes usually have a length of 8 to 16 mm (0.31 to 0.63 in) and a width of 0.6 to 0.8 mm (0.024 to 0.031 in) with sparse hairs and with no obvious nerves. It flowers between July and August producing the solitary, axillary flower-heads are spherical and contain 24 to 30 golden yellow flowers. The seed pods that form after flowering have a length of up to around 4.5 cm (1.8 in) and a width of 10 to 14 mm (0.39 to 0.55 in).[1]

The species was first formally described by the botanist Leslie Pedley in 1999 as part of the work Notes on Acacia (Leguminosae: Mimosoideae) chiefly from northern Australia as published in the journal Austrobaileya. It was reclassified as Racosperma arbianum by Pedley in 2003 the transferred back to the genus Acacia in 2006.[2]


It is found in only a small area of eastern central Queensland to the east of Clermont where it is only found in Peak Range around the summits of Ropers and Scotts Peak. It is found among heath-like vegetation communities growing in rocky soils.[1]
See also

List of Acacia species


"Acacia arbiana". World Wide Wattle. Western Australian Herbarium. Retrieved 7 April 2019.
"Acacia arbiana Pedley". Atlas of Living Australia. Global Biodiversity Information Facility. Retrieved 7 April 2019.

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