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See list of 2 species in this genus
  • 1a. Pappus of 10 inconspicuous, hyaline scales and 20–35 longer, slender bristles; involucre 7–14 mm tall; basal leaf blades 10–50 mm wide, glabrous; plants perennial from a short caudex
  • 1b. Pappus of 5 evident, flat scales alternating with 5 longer, slender bristles [Fig. 428]; involucre 3–7 mm tall; basal leaf blades 1–12 mm wide, villous-hirsute or glandular-hirsute to glabrous; plants annual

 Show photos of:   Each photo represents one species in this genus.