Acacia decurrens

Family Fabaceae

Black Wattle, Green Wattle

Erect tree to 15 m high. Bark deeply fissured, dark grey to black. Longevity 15 - 30 years.

Flowers: Yellow, August.

Fruit: Straight pod to 10 cm long.

Seed: Hard coated with physical dormancy. Bird and ant dispersed. Soil stored seedbank. Germinate readily once scarified by nicking.

Gallery images: seed, seedling, rootstock, resprout


  • Woodland habitat.
  • Occasional in woodland at the Australian Botanic Garden but mainly in River Flat Forest.
  • Coloniser, possibly introduced during canal construction in early 20th century.
  • Recruitment mainly after fire.
  • Immature fruit eaten by Sulphur-crested Cockatoos Cacatua galerita.

Ecology of Cumberland Plain Woodland

Acacia decurrens plant

Acacia decurrens flower 

Acacia decurrens fruit

Acacia decurrens fruit