Acacia araneosa

Acacia araneosa, commonly known as Balcanoona wattle or spidery wattle, is a shrub belonging to the genus Acacia and the subgenus Phyllodineae that is native to South Australia.

Balcanoona Wattle
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Clade: Mimosoideae
Genus: Acacia
Species:
A. araneosa
Binomial name
Acacia araneosa
Whibley

Description

The erect, small and wispy shrub that typically grows to a height of 3 to 8 metres (10 to 26 ft). It blooms irregularly throughout the year and produces yellow flowers.[1] It has slender, glabrous flexuose, red-brown coloured branchlets. The pendulous, thickly filiform phyllodes are usually terete to quadrangular. The phyllodes have a length of 18 to 35 cm (7.1 to 13.8 in) but can be as long as 69 cm (27 in) and have a width of 1 to 2 mm (0.039 to 0.079 in) and narrow to the apex.[2]

Taxonomy

The species was first formally described by the botanist D.J.E. Whibley in the 1976 work by Whibley and B.J. Walby Acacia araneosa (Fabaceae subfam. Mimosoideae), a new species from South Australia as published in the Contributions from the Herbarium Australiense. It was reclassified as Racosperma araneosum in 2003 then transferred back to the genus Acacia in 2005.[3]

Distribution

It has a limited distribution in arid conditions of central South Australia in the northern Flinders Range from Balcanoona to Arkaroola where it is found on rocky slopes, ridges and hills in skeletal rocky soils[1] as is often a part of open woodland or shrubland communities along with Eucalyptus gillii and Triodia irritans.[2]

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See also

List of Acacia species

References
  1. "Acacia araneosa (Leguminosae) Balcanoona Wattle". Seeds of South Australia. South Australian Seed Conservation Centre. 2018. Retrieved 16 March 2019.
  2. "Acacia araneosa". World Wide Wattle. Western Australian Herbarium. Retrieved 16 March 2019.
  3. "Acacia araneosa Whibley". Atlas of Living Australia. Global Biodiversity Information Facility. Retrieved 17 March 2019.
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