| 11. | Each head has many yellow ray florets but no disc florets.
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| 12. | Its flower heads have lilac ray florets and yellow disc florets.
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| 13. | Its flower heads have lilac ray florets surrounding yellow disc florets.
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| 14. | Its flower heads have red ray florets surrounding yellow disc florets.
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| 15. | Its flower heads have purple ray florets surrounding yellow disc florets.
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| 16. | Its flower heads have white ray florets surrounding yellow disc florets.
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| 17. | Its flower heads have blue ray florets surrounding yellow disc florets.
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| 18. | Each head has 5 white disc florets but no ray florets.
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| 19. | Disc florets are also yellow, 6-8 per head.
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| 20. | These eight to 10 broad disc florets are functionally staminate.
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