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.