Australian Native Plants

  Acacia estrophiolata (Ironwood)

Acacia estrophiolata photo
Acacia estrophiolata habit

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

Acacia estrophiolata photo
Acacia estrophiolata Foliage

Photograph by Don A.W. Carlson. 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.


distribution map showing range of Acacia estrophiolata in Australia

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

Common Name

Other Names
Southern Ironwood, Desert Ironwood, Utjanypa

Ironwood is a tree with spreading crown becomes pendulous with age. It grows from about 4 m to 15 m in height with a trunk up to 45 cm in diameter. Young plants are upright with rigid branches. The phyllodes are long and narrow, about 4 cm to 10 cm long, and 2 mm to 4 mm wide, with three prominent veins along the length. The spherical flower heads pale yellow and produced after winter rain. The seed pods are long and narrow 6 cm to 10 cm long, and about 6 mm wide.

Ironwood grows mostly in open shrubland and open woodland on sandy well drained soils.

north western parts of South Australia, southern parts of the Northern Territory and eastern parts of central Western Australia.

Growth Characteristics
Height (m): 5 - 10
Spread (m): 3 - 10
Soil Texture: sand, loam
Soil pH: acid soils, neutral soils, alkaliine soils
Frost Sensitivity: resistant
Minimum Rainfall (mm): 150
Flower Colour: yellow
Flower Season: spring

(source: SA State Flora Catalog)

scarified seed

Common Name:Ironwood

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 ...