Senecio glomeratus ssp. glomeratus

Annual Fireweed

Erect annual or short-lived perennial herb, new growth greyish with cobwebbed hairs.

Additional information

  • FamilyAsteraceae
  • StoreyLower storey
  • Size0.5-2 m high
  • Plant groupingHerbs & Groundcovers <1m
  • LeavesStalkless lance-shaped to egg-shaped leaves, 3-15 cm x 10-50 mm, becoming narrower up the stem, toothed lobes at base, jagged teeth or lobed margins, densely white cobwebbed below.
  • Flower colourYellow
  • Flowering timeSeptember to February
  • FlowersDense terminal bunches of small rayless daisy flowerheads. Bracts purple. Whitish cobwebbed hairs at base of flowerheads. Seeds, to 1.7 mm long, are mid to dark red-brown with a tuft of hairs more than 5 mm long on top.
  • Bird attractingNo
  • Butterfly attractingFood plant for caterpillars
  • Frog habitatNo
  • Growing conditionsMoist soil in forests and woodlands, sometimes near water, colonising disturbed or bare ground, or amongst rocks. Full sun, semi-shade.
  • Garden useGrow in bush areas. Adds a natural element to the area. Interesting leaves.
  • Commercially availableWholesale only - order in advance
  • Conservation statusLocally common within its preferred growing conditions. Possibly occurs in Buxton Gum Swampy Riparian Woodland.
  • Related speciesSenecio glomeratus ssp. longifructus differs in that upper leaves almost hairless below, flower stalks sparsely cobwebby, bracts purple-tipped. Seed is slightly longer with the tuft of hairs < 5 mm long. Outer seeds are greenish. Occurs next to swamps. S. hispidulus is similar and occurs in similar habitats, differing in leaf texture - leaves bristly hairy on top, lightly curly-hairy below, basal lobes with 2 coarse teeth. Bracts of flowerhead green, hairless.
Photographer/s: Marilyn Bull ©

Plant Communities

  • 05 Mountain Ash Forest - Central Highlands (EVC 30)
  • 19 Long-leaf Box Herb-rich Foothill Forest (EVC 23)
  • 06 Mountain Ash Wet Forest - Dandenongs (EVC 30)
  • 25 Long-leaf Box Grassy Dry Forest - Southern Dandenongs (EVC 22)
  • 08 Mountain Grey Gum Damp Forest – Dandenongs (EVC 29)
  • 30 Swamp Gum Swampy Riparian Woodland (EVC 83)
  • 17 Messmate Herb-rich Foothill Forest (EVC 23)
  • 38 Yellow Box Valley Grassy Forest – Middle Yarra (EVC 47)
  • 18 Messmate Shrubby Foothill Forest - Dandenongs (EVC 45)
  • 43 Buxton Gum Swampy Riparian Woodland (EVC 83)
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