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Species profile—Acacia rubricola

Classification

Plantae (plants) → Equisetopsida (land plants) → MimosaceaeAcacia rubricola

Photo of Acacia rubricola () - Forster, P.,Queensland Herbarium, DES,2003
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Species details

Kingdom
Plantae (plants)
Class
Equisetopsida (land plants)
Family
Mimosaceae
Scientific name
Acacia rubricola Pedley
WildNet taxon ID
2298
Alternate name(s)
Binjour wattle
Nature Conservation Act 1992 (NCA) status
Endangered
Back on Track (BoT) status
Medium
Conservation significant
Yes
Confidential
No
Endemicity
Native
Pest status
Nil
Short Notes
BRI 445750, handwriting of author
Description
Acacia rubricola is an attractive, much branched and densely foliaged shrub. It can reach 4m in height, but is generally only 1-2m tall. The ribbed branchlets are resinous and have a rough texture from the minute stiff and straight hairs. The foliage is comprised of leaf-like organs derived from the leaf stalk called phyllodes. Phyllodes are attached to branchlets via projections of the midribs. The dark green phyllodes are flat, long and slender, 20-43mm long by 1-2.1mm wide and are either straight or slightly 'S' shaped. A single translucent yellow vein, running from the base to the tip, is prominent on either face of the phyllode. The phyllodes are covered with translucent resin and have a small gland with a thick yellowish rim at the base, with another smaller gland behind the short tip.
Masses of bright, yellow, ball-like flower heads are produced. The flower heads are 9mm in diameter, composed of 20-35 flowers, and are on 6-8mm yellow resinous stalks. The flower heads occur singly from the upper junction of the phyllodes with the stem. The dark brown seed pods are long and slender and up to 40mm long by 2.5mm wide. The seeds are 3.7-4.5mm long by 1.6-2mm wide and their fine stalks are thickened and folded to form a cream coloured aril (the fleshy outer seed covering).
A. rubricola is very similar to A. johnsonii, but differs in having longer, less hairy, somewhat resinous phyllodes with quite conspicuous yellow translucent midveins and branchlets with shorter hairs, and narrower pods. A. johnsonii lacks the conspicuous yellow translucent midveins. (Barker 1999; Pedley 1999; World Wide Wattle 2006)
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Distribution
This species is endemic to the Binjour Plateau in south-eastern Queensland. (Barker 1999; Herbrecs 2008)
Distributional limits
-25.4734167, 151.3530555
-25.5127778, 151.3927394
Range derivation
Range derived from extent of the taxon's verified records
Habitat
Acacia rubricola occurs on red sandy and loamy soils in eucalypt open forest and woodland, and also heath. (Barker 1999)
Reproduction
Little is known on the biology of this species. Flowering occurs from August to October. Fruits have been recorded from late November to early January. (Barker 1999)
Notes
Contributors: Ailsa Holland, Mellisa Mayhew 27/01/2009
References
Barker, M. (1999). Acacia rubricola, in Species Management Manual. Department of Natural Resources, Brisbane.
Herbrecs (2008) Acacia rubricola, in BriMapper version 2.12. Queensland Herbarium. Accessed 24/09/2008.
Pedley, L. (1999). Notes on Acacia (Leguminosae: Mimosoideeae) chiefly from northern Australia. Austrobaileya 5(2): 307-321.
World Wide Wattle (2006). Acacia rubricola, in World Wide Wattle online. Accessed 24/09/2008. http://www.worldwidewattle.com/
Profile author
Ailsa Holland (27/01/2009)

Other resources

The Australasian Virtual Herbarium (AVH)
Atlas of Living Australia

Data source

This profile data is sourced from the QLD Wildlife Data API using the Get species by ID function used under CC-By 4.0
https://apps.des.qld.gov.au/species/?op=getspeciesbyid&taxonid=2298

This information is sourced from the WildNet database managed by the Queensland Department of Environment and Science.

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Licence
Creative Commons Attribution 4.0 International (CC BY 4.0)
Last updated
7 September 2021
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