Pacific Island Ecosystems at Risk (PIER)

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Acacia podalyriifolia
A.Cunn. ex G.Don, Fabaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Risk assessment results:  High risk, score: 12 (Go to the risk assessment).

Common name(s): [more details]

English: Mt. Morgan wattle, Queensland silver wattle, Queensland wattle, golden-ball wattle, pearl acacia, pearl wattle

Habit:  tree

Description:  "Spreading tree 3-7 m high. Branchlets pruinose, ±velvety with dense straight soft and spreading hairs, very rarely glabrous. Phyllodes elliptic to widely elliptic, oblong-elliptic, ovate or sometimes obovate, 2-4 cm long, 1-2.5 cm wide, l:w normally 1.5-2.5, mucronate, thin, usually silvery grey to glaucous, with indumentum as on branchlets but sparser, sometimes glabrescent, with slightly excentric midrib, finely penninerved; gland normally inconspicuous and 8-18 mm above pulvinus; pulvinus 1-2 mm long. Inflorescence racemose; raceme axes 3-11 cm long, exceeding phyllodes, with indumentum similar to branchlets; peduncles 5-10 mm long, with indumentum similar to branchlets; heads showy, fragrant, globular, 15-30-flowered, bright light golden. Flowers 5-merous; sepals united. Pods to 12 cm long, 1.5-2 cm wide, thinly coriaceous, velvety and pruinose when young, sometimes glabrous with age, dehiscing unilaterally; margins often undulate. Seeds longitudinal, oblong, 6-7.5 mm long, dull, black; aril clavate"  (Flora of Australia online).

Habitat/ecology:  In Australia (native), "in the N of its range it is more or less restricted to sandstone hills in open Eucalyptus forest, but in the south it occurs on rocks of various types"  (Flora of Australia online).

Propagation:  Seed

Native range:  New South Wales and Queensland, Australia; also cultivated (GRIN).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
State of Hawaii
Hawaiian Islands
Maui Island   Bishop Museum (U.S.A. Hawaii. Honolulu.) (1999) (voucher ID: BISH 661863)
Taxon name on voucher: Acacia podalyriifolia A.Cunn. ex G.Don
New Caledonia
New Caledonia Archipelago
Île Grande Terre introduced
cultivated
MacKee, H. S. (1994) (p. 77)
Voucher cited: MacKee 40637
New Caledonia
New Caledonia Archipelago
Île des Pins (Isle of Pines) introduced
invasive
MacKee, H. S. (1994) (p. 77)
Voucher cited: MacKee 35602
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
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Australia
Australia (continental)
Queensland native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Indonesia
Indonesia
Indonesia (Republic of) introduced
ILDIS Co-ordinating Centre (2013)
Malaysia
Malaysia
Malaysia (country of) introduced
ILDIS Co-ordinating Centre (2013)
New Zealand
New Zealand
New Zealand (country) introduced
ILDIS Co-ordinating Centre (2013)
United States (west coast)
United States (west coast states)
USA (California) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
Indian Ocean
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
La Réunion (France)
La Réunion Island
La Réunion Island introduced
ILDIS Co-ordinating Centre (2013)
Mauritius
Mautitius Islands (Mauritius and Rodrigues)
Mauritius Island introduced
ILDIS Co-ordinating Centre (2013)

Control:  If you know of control methods for Acacia podalyriifolia, please let us know.


Need more info? Have questions? Comments? Information to contribute? Contact PIER! (pier@hear.org)

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This page was created on 25 OCT 2010 and was last updated on 19 FEB 2013.