Act 43, 2001
Act 43, 2001
 
FACTSHEET
Acacia dealbata Link.
Family:  Fabaceae
- Silver wattle
- Silwerwattel
- Wattel, silwer-
- Wattle, silver

© G.R. Nichols

Photographer:  G.R. Nichols


1.  Origin or native range
E & SE Australia & Tasmania.

2.  History / Introduction
No history info available.

3.  General Description
Plant:   Unarmed, evergreen tree 5–10(–15) m high; branchlets shallowly ridged, often tinged grey or purple; growth tips velvety-hairy, initially yellow turning greyish or white.  

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Leaves:   Silvery-grey to light green, finely hairy, bipinnate; leaflets short (2.0–5.5 mm) and crowded; a raised gland occurs at each junction of pinnae pairs. 

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Flowers:   Pale to bright yellow, globular flowerheads in large, fragrant sprays, July–August.  

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Fruit:   Greyish or purplish-brown pods, not or only slightly constricted.  

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View line drawing:  

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4.  Distribution
View distribution map

5.  Habitats invaded
Grassland, fynbos, roadsides, urban open spaces, watercourses.

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6.  Poisonous
No  

7.  Irritant
No  

8.  Ecological threat / Impact
Competes with and replaces indigenous riverine and grassland species. Extensive stands along watercourses and in mountain catchments reduce stream flow. Dense thickets invading grassland reduce grazing for domestic and wild animals.  Infe 

9.  Methods of reproduction and dispersal
No method of reproduction and dispersal info available

10.  Control
Biological:   Seed feeders under investigation.
Chemical:   No info available
Physical:   No info available

11.  Uses
Shelter, shade; provides firewood and construction poles.

12.  Alternative plants
No info available

13.  Invasive Status
Transformer:   Yes

Potential Transformer:   No

Special Effect Weed:   No

Minor Weed:   No

Ruderal:   No

Agrestal:   No

14.  Legal status
Declared Weed (Category 1):   Yes
Declared Invader (Category 2):   Yes
Declared Invader (Category 3):   No