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See list of 2 species in this genus
  • 1a. Vegetative leaf blades pubescent, at least on the abaxial midrib; bracteal leaves subtending the capitula usually shorter than capitula; ray flowers blue, white, or pink
  • 1b. Vegetative leaf blades glabrous; bracteal leaves subtending capitula usually exceeding capitula; ray flowers purple

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