Indigofera australis

Family Fabaceae

Australian Indigo

Spreading shrub to 2.5 m high, leaves pinnate 410 cm long, usually with 1125 leaflets.

Flowers: Mauve pea flowers, visited by Honey Bees.

Fruit: Pod 2545 mm long with numerous spotted seeds, expelled vigorously by drying, twisting pod, mature November July.

Seed: Oblong to cube shaped hard coated seed. Local dispersal only. Physical dormancy, germinate readily after scarification.

Gallery images: seed, seedling, rootstock, resprout

Ecology

  • Woodland habitat, mid-shade to full sun.
  • Rare, localised in woodland remnants at the Australian Botanic Garden.
  • Regrows and suckers from rootstocks and lateral roots after fire.
  • Legumes reported to have nitrogen fixing Rhizobium nodules on roots.

Ecology of Cumberland Plain Woodland

Indigofera australis plant

Indigofera australis flower

Indigofera australis fruit

Indigofera-australis-seeds