Acacia aulacocarpa A. Cunningham ex Bentham, Fabaceae

Click on an image for links to BIGGER PICTURES

Present on Pacific Islands?  yes

Threat only at high elevations?  no

Common name(s): [more details]

English: brown salwood, brush ironbark wattle, hickory wattle

Maori (Cook Islands): ākasia

Habit:  tree

Description:  "Shrub or tree up to 15 m tall; branchlets slender, angular, somewhat hoary and sometimes glutinous. Pulvinus 4-7 mm long; phyllodes straight or falcate, apex acute or subacute, 5-15 cm x 0.6-2.5 (-3) cm, 3-12 times as long as wide, glabrous, 1-3 prominent longitudinal nerves, somewhat crowded towards lower margin at base, and numerous, more or less parallel secondary nerves, not anastomosing; gland basal, prominent swelling and small orifice. Spikes single or in pairs at base of rudimentary axillary shoots, on scurfy peduncles 2-7 mm long; spikes usually at least moderately dense, 2-5.5 cm long; flowers 5-merous. Pods somewhat woody, prominently obliquely transversely veined, straight or twisted when old, up to 10 cm x 1-2 cm; glabrous; seeds transverse, ca 5.5 mm x 2.5 mm." (Stanley and Ross, 1983; vol. 1, p. 355).

Habitat/ecology:  (no habitat/ecology info known by PIER)

Propagation:  Seed

Native range:  Australia and New Guinea

Presence:

Pacific
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
Cook Islands Southern Cook Islands	Mangaia Island	introduced invasive cultivated	Space, James C./Flynn, Tim (2002) (p. 6)
New Guinea (Indonesia and Papua New Guinea) New Guinea Island	New Guinea Island		U.S. Dept. Agr., Agr. Res. Serv. (2007)

Pacific Rim
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
Australia Australia (continental)	New South Wales	native	Australian Biological Resources Study (2007)
Australia Australia (continental)	Northern Territory	native	Australian Biological Resources Study (2007)
Australia Australia (continental)	Queensland	native	Australian Biological Resources Study (2007)

Comments:  Established in forestry plantations and spreading on Mangaia, Cook Islands (Space & Flynn, 2002).

Additional information:  Information from the World Agroforestry Centre's AgroForestryTree Database.

Additional online information about Acacia aulacocarpa is available from the Hawaiian Ecosystems at Risk project (HEAR).

Taxonomic information about Acacia aulacocarpa may be available from the Germplasm Resources Information Network (GRIN).

References:

Australian Biological Resources Study. 2007. Flora of Australia Online. Australian Biological Resources Study, Canberra.

McCormack, Gerald. 2007. Cook Islands biodiversity and natural heritage. On-line database.

Space, James C./Flynn, Tim. 2002. Report to the Government of the Cook Islands on invasive plant species of environmental concern. USDA Forest Service, Honolulu. 146 pp.

Stanley, T. D./Ross, E. M. 1989. Flora of south-eastern Queensland. Queensland Department of Primary Industries, Misc. Pub. 81020. 3 Volumes.

U.S. Dept. Agr., Agr. Res. Serv. 2007. National Genetic Resources Program. Germplasm Resources Information Network (GRIN). Online searchable database.