South West Slopes Revegetation Guide
Acacia oswaldii
Umbrella Wattle
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Species Information
| Synonyms |
|
| Common Names |
Umbrella Wattle, Milji & Nelia (Qld). |
| Family |
Mimosaceae - Mimosa family. |
| Name Origin |
oswaldii - after F. Oswald, 19th century collector for F. von Mueller. |
Specimen Data - CSU 1020
| Location |
Cambell's Swamp, just north of Griffith at Ian Taylor's study site. NSW |
| Notes |
Found in a Black Box - Lignum swamp. Zone: 55 Easting: 410996 Northing: 6211421 |
| Collector |
Kent, Kylie |
Date |
04/11/1999 |
| Determined By |
Earl, Gill |
Date |
09/03/2000 |
South West Slopes Revegetation Guide Information
| Regional: |
Noted in Brookong catchment. Becomes widespread to the west of the region. |
| Australia: |
Mainland states and territories. |
| Habitat: |
Widespread in various habitats and vegetation communities, including open eucalypt forest or among other acacias. |
| Habit: |
Densely branched erect or spreading shrub or small tree, 2-6 m high. Finely fissured dark grey bark and angled or flattened branchlets. Sharp-tipped 'leaves' and large woody twisted pods. |
| Similar Species: |
Distinguish from Boree (A. pendula) by 'leaves'. Miljee 'leaves' are sharp-tipped. |
| Site Preference: |
|
| Characteristics: |
Moderate growth rate. Lifespan beyond several decades. Often appears umbrella-shaped due to regular trimming by livestock. |
| Flowering: |
Golden-yellow or pale-yellow, Oct-Dec. |
| Seed Collection: |
Dec to late Feb. Monitor closely as seeds released immediately or within 1-2 days of maturity. Abundant seeder every few years. |
| Propagation: |
From scarified seed ( 6 viable seeds per gram). |
| Regeneration: |
From seed. Birds disperse seeds around vegetated areas. |
| Timber: |
Very good Fuel. Timber heavy, close-grained, durable and disagreeably-scented. Not commonly used, |
| Shade and Shelter: |
Useful low-level cover in windbreaks. |
| Land Protection: |
Legume improves soil fertility by 'fixing' nitrogen. |
| Wildlife: |
Prickly dense foliage good cover for birds. |
| Ornamental: |
Ornamental value. |
| Other: |
Clubs and other weapons made from timber. Seeds ground to edible paste. Subsistence fodder. Pods eaten by sheep. |
Note: The following information presented is only a guide, as plant characteristics vary depending on provenance (the plant's locality).
| Site/Preferred Habitat : |
well-drained light to medium soil |
| Rainfall(mm) : |
200 |
| Growth Rate : |
moderate |
| Tolerates : |
frost; drought |
| Resents : |
|
| Uses & Comments : |
windbreak; fuel; fixes nitrogen; timber; fodder; ornamental |
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