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Species profile—Acacia deuteroneura

Classification

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

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Species details

Kingdom
Plantae (plants)
Class
Equisetopsida (land plants)
Family
Mimosaceae
Scientific name
Acacia deuteroneura Pedley
WildNet taxon ID
14906
Alternate name(s)
Tambo wattle
Nature Conservation Act 1992 (NCA) status
CR
Environment Protection and Biodiversity Conservation Act 1999 (EPBC) status
Vulnerable
Back on Track (BoT) status
Low
Conservation significant
Yes
Confidential
No
Endemicity
Native
Pest status
Nil
Short Notes
BRI 112544
Description
Acacia deuteroneura is a shrub to 3 m high with glabrous and pruinose branchlets. The phyllodes are blue-green in colour, 3 to 6 cm long and 6 to 12 mm wide, glabrous and coriaceous. They are narrowly elliptic to oblong-elliptic in shape with an obtuse apex. The midrib is prominent, with a minor nerve parallel to the midrib for ? length of the phyllode. The lateral nerves are few and obscure. There is a prominent gland, 10 to 18 mm above the pulvinus, and there is occasionally a second gland above the middle. The inflorescences are racemose, with the raceme axes 3 to 5 mm long and the peduncles 3 to 9mm long, both are pruinose and glabrous, they occur as yellow globular heads with 12 to 30 flowers. The pods are 5cm long and 12 to 13 mm wide, firmly chartaceous, pruinose and glabrous. The seeds are 3.5 to 4 mm long, dull black in colour and the funicle encircles three quarters of the seed in a double fold. The aril is clavate (Pedley, 1979; Maslin, 2001).
In the field A. deuteroneura may be confused with A. decora and A. polifolia which are commonly found in the same area, but the latter two are readily distinguished by their 1-nerved phyllodes, hairy racemes and peduncles, and funicles which do not encircle the seeds (Pedley, 1979; Maslin, 2001).
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Distribution
Acacia deuteroneura is known from two locations: one 64 km north-north-east of Tambo in central western Queensland, growing on a knoll of weathered sandstone with Eucalyptus bakeri (Pedley, 1969; Maslin, , 2001; Queensland Herbarium, 2011) and the other from 60 km north of Tambo (Queensland Herbarium, 2011). There are only two specimens of A. deuteroneura in the Queensland Herbarium, collected in 1968 and 1973 (BRI collection details, n.d.). The collecting notes for the 1973 specimen describe the species as forming almost pure stands.
There are large areas of similar habitat to the north and south-east of the only known population and Pedley (1979) suggested that the species may prove to be more widely distributed. However, no further collections of A. deuteroneura have been made (Queensland Herbarium, 2011).
Distributional limits
-24.3066666, 146.3466666
-24.3068396, 146.3471071
Range derivation
Range derived from extent of the taxon's verified records
Habitat
Acacia deuteroneura has been recorded on a weathered sandstone knoll with Eucalyptus bakeri (Queensland Herbarium 2011).
Reproduction
Little is known on the biology and ecology of A. deuteroneura. Flowering has been recorded in August and fruiting in November (DSEWPC, 2008; Queensland Herbarium, 2011)
Threatening processes
Research is needed to identify the threats to A. deuteroneura. The known range of the species is very restricted, so it is likely to be susceptible to elimination by stochastic events. Too- frequent fire may deplete the soil seed bank (DSEWPC, 2008).
Status notes
Acacia deuteroneura is listed as Vulnerable under the Environment Protection and Biodiversity Conservation Act 1999 and Vulnerable under Queensland's Nature Conservation Act 1992
Management documents
Nature Conservation (Protected Areas) Amendment Regulation (No.1) 2001 details A. deuteroneura habitat management within Rainmore Nature Refuge (QSL, 2001).
Management recommendations
Management recommendations for Acacia deuteroneura are listed in Species Profile and Threats Database (DSEWPC. 2008). Regional and local priority actions are described which include: avoiding habitat loss, disturbance and modification (e.g. do not permit further clearing of potential habitat, and careful assessment of development applications; monitor known populations); managing fire (e.g. development and implementation suitable fire management strategy); raising conservation awareness of the species (e.g. raise awareness in the local community) and enabling recovery of additional sites and/or populations (e.g. research into regeneration and seed-set requirements; seed collection and storage) (DSEWPC. 2008).
Notes
Occurs in the following Queensland pastoral districts: Mitchell (Queensland Herbarium 2011).
References
Department of Sustainability, Environment, Water, Population and Communities (DSEWPC) (2008). Acacia deuteroneura in Species Profile and Threats Database, Department of Sustainability, Environment, Water, Population and Communities, Canberra. Accessed 4/09/2011. http://www.environment.gov.au/sprat.
Maslin, B, (1999). Acacia deuteroneura, Flora of Australia Online. Australian Biological Resources Study, Canberra. Accessed 21/06/2012. http://www.environment.gov.au/biodiversity/abrs/online-resources/flora/main/index.html.
Maslin, B.R. (2001). Acacia curranii. Flora of Australia Online. Australian Biological Resources Study, Canberra. Accessed 21/06/2012. http://www.environment.gov.au/biodiversity/abrs/online-resources/flora/main/index.htm.
Pedley, L. (1979). A revision of Acacia Mill. In Queensland. Austrobaileya 1 (3): 293.
Queensland Herbarium (2011). Specimen label information. Queensland Herbarium. Accessed 17/10/2011.
Queensland Subordinate Legislation No.42 (QSL) (2001). Nature Conservation (Protected Areas) Amendment Regulation (No.1) 2001.pp 7-8.
Profile author
Lynise Wearne (28/06/2012)

Other resources

Species Profile and Threats Database (SPRAT)
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=14906

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
23 October 2019
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