Australian Native Plants

  Acacia oswaldii (Umbrella wattle)


Acacia oswaldii photo
Acacia oswaldii, also known as Acacia sessiliceps

Photograph by Mark Marathon. Some rights reserved.    (view image details)

Acacia oswaldii photo
Acacia oswaldii foliage

Photograph by Mark Marathon. Some rights reserved.    (view image details)

Acacia oswaldii photo
Acacia oswaldii seeds

Photograph by Mark Marathon. Some rights reserved.    (view image details)



Growth Characteristics information is sourced from: State Flora Catalog, Government of South Australia Licensed under Creative Commons CC BY 4.0 license.



UMBRELLA WATTLE FACTS

distribution map showing range of Acacia oswaldii in Australia

Map is from The Atlas of Living Australia web site, licensed under Creative Commons Attribution 3.0 Australia License


Common Name
Umbrella wattle

Other Names
Boree, Umbrella Bush

Description
Umbrella Wattle is a shrub or tree growing from 1 m to 6 m tall. The phyllodes are narrow elliptic, growing from 2.5 cm to 10 cm long and about 3 mm to 15 mm wide. It produces yellow flowers from October to December. Flower heads are produced singly or in twos from the phyllode axils. The flower heads are spherical and about 5 mm to 8 mm in diameter. The leathery seed pods are curved or coiled grow from 4 cm to 25 cm long.

Habitat
arid, semi-arid regions

Distribution
Umbrella wattle is found in central and southern regions of Australia, and can be found in all mainland states.

Growth Characteristics
Height (m): 3 - 5
Spread (m): 3 - 5
Soil Texture: sand, loam, limestone
Soil pH: acid soils, neutral soils, alkaliine soils
Frost Sensitivity: resistant
Minimum Rainfall (mm): 150
Flower Colour: yellow
Flower Season: summer

(source: SA State Flora Catalog)

Propagation
scarified seed

Wildlife Interest
attracts seed-eating and insect-eating birds



Classification
Class:Magnoliopsida
Order:Fabales
Family:Mimosaceae
Genus:Acacia
Species:oswaldii
Common Name:Umbrella wattle


Relatives in same Genus
  Acacia acanthoclada
  Acacia acinacea
  Acacia acradenia
  Acacia aculeatissima
  Acacia alata
  Acacia amblygona
  Acacia amoena
  Acacia aneura
  Acacia aulacocarpa
  Acacia auriculiformis
  Acacia baileyana
  Acacia beckleri
  Acacia boormanii
  Acacia brachybotrya
  Acacia brachystachya
  Acacia buxifolia
  Acacia caesiella
  Acacia calamifolia
  Acacia cardiophylla
  Acacia chrysocephala
  Acacia cognata
  see A-Z list for more ...