Habitat: cliff, coast, dry, grassland, gravel, moist, open, pasture, roadside, rock outcrop, shaded, sheltered, shrubland, silt, slope, stone, terrace, wasteland

Dispersal: Garden discard, seed, vegetative

 Recognition
  • a stout, fleshy, short-lived herbaceous perennial plant with a slight aniseed aroma.
  • its stems are hollow, grooved and up to 100 cm high.
  • its leaves are glabrous, dark green, shiny, and strongly divided into segments.
  • its inflorescence is a flat-topped umbel, 10-20 cm across, with numerous, small (1-3 mm wide), greenish white flowers.
  • its fruit are glabrous, 8-12 mm long, brown, and with narrow, spongy wings
 References
Biosecurity New Zealand 2012: Regional Pest Management Strategies Database. http://www.biosecurityperformance.maf.govt.nz/
Howell, C. 2008: Consolidated list of environmental weeds in New Zealand. DOC Research & Development Series 292: 42.