*Setaria parviflora

Family Poaceae

Slender Pigeon Grass

Short-lived, tufted perennial grass to 1 m high. Longevity 2 - 5 years.

Flowers: Summer, wind pollinated.

Fruit: Dry one-seeded, indehiscent fruit.

Seed: Locally dispersed, possibly by adhesion.

Gallery images: seed, seedling, rootstock, resprout


  • Native of America.
  • Weed of roadsides and grasslands.
  • Common in grasslands and woodland at the Australian Botanic Garden.
  • Eaten by Red-browed Finches Neochmia temporalis.
  • Occasional seedlings noted in open sites in woodland.
  • Resprouts after fire.
  • C4 warm season metabolism.

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

Ecology of Cumberland Plain Woodland

Setaria gracilis flower

Setaria gracilis fruit