*Avena barbarta

Family Poaceae

Bearded Oats

Annual weedy grass to 1 m high, longevity less than one year.

Flowers: September – December.

Fruit: Dry, one-seeded, indehiscent fruit, with bristles and awns 3 – 6 cm long.

Seed: Animal and wind dispersed.

Gallery images: seed, seedling, rootstock, resprout


  • Introduced from the Mediterranean.
  • Weed of roadsides and disturbed sites.
  • Common but minor weed at the Australian Botanic Garden.

Asterisk * indicated exotic species naturalised at the Australian Botanic Garden.

Ecology of Cumberland Plain Woodland

Avena barbata plant

Avena barbata flower

Avena barbata fruit