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Mature heads of Fireweed or Cutleaf Burnweed (Senecio glomeratus [syn. Erechtites glomeratus]), an annual or perennial with silvery stems, light green foliage and pale undersides, sometime purple-tinted. The flowerheads are petalless. Originally native to Australia and New Zealand, it is now naturalised in the western United States. senecio-3303htm'>Senecio.
![Mature heads of Fireweed or Cutleaf Burnweed (<i>Senecio glomeratus [syn. Erechtites glomeratus]), an annual or perennial with silvery stems, light green foliage and pale undersides, sometime purple-tinted. The flowerheads are petalless. Originally native to Australia and New Zealand, it is now naturalised in the western United States. senecio-3303htm'>Senecio.](./data/media/1/CFGav04.jpg "Mature heads of Fireweed or Cutleaf Burnweed (<i>Senecio glomeratus [syn. Erechtites glomeratus]), an annual or perennial with silvery stems, light green foliage and pale undersides, sometime purple-tinted. The flowerheads are petalless. Originally native to Australia and New Zealand, it is now naturalised in the western United States. senecio-3303htm'>Senecio.")