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Keys
  • Vascular plant groups
  • Club mosses
  • Ferns
  • Vegetative key to families
  • Gymnosperms
  • Flowering plants
  • Genera
  • Families

Asteraceae

Flowers grouped into heads Asteraceae
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Burr not formed around the fruits at maturity
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Florets all tubular or filiform and tubular (Fig. 41) or; florets with ligule present but the ligule less than 3mm
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Florets ligulate and tubular, or all ligulate; ligule more than 3 mm long