*Verbena bonariensis

Family Verbenaceae

Purpletop

Short-lived perennial herb to 2 m high. Longevity 2 - 5 years.

Flowers: Dark violet purple, October - June.

Fruit: Dry separating at maturity into 4 one-seeded segments.

Seed: Seedlings commonly observed in woodland.

Gallery images: seed, seedling, rootstock, resprout

Ecology

  • Native of South America.
  • Grassland and woodland habitats.
  • Localised in woodland and grasslands at the Australian Botanic Garden, often in sites of former cultivation.
  • Reported to be food plant of butterfly larvae Jononia villida calybe.
  • May be heavily cropped by rabbits.
  • Resprouts after fire.

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

Ecology of Cumberland Plain Woodland

Verbena bonariensis flowers