Recognition
  • an erect shrub, usually 2–3 m high, with rigid stems.
  • its leaves are long and narrow (5–7 cm long, 3–4 mm wide), thick, rigid, and the lower surface dotted with glands.
  • its flowers are in spikes up to 7–10 cm long and 40–60 mm wide,
  • the flower has conspicuous red filaments c. 20–25 mm long.
  • its capsules are up to 7 mm wide and contain numerous small seeds.
 References
Howell, C. 2008: Consolidated list of environmental weeds in New Zealand. DOC Research & Development Series 292: 42. [as Callistemon rigidus R.Br.]