| 1. | It produces several flower heads with disc florets but no ray florets.
|
| 2. | Flower heads have pink or purple ray florets and yellow disc florets.
|
| 3. | It is a small lavender ray florets and golden yellow disc florets.
|
| 4. | It contains three or four purple disc florets and no ray florets.
|
| 5. | It has yellow flower heads with both ray florets and disc florets.
|
| 6. | The heads contain blue or white disc florets but no ray florets.
|
| 7. | The flower heads contain many yellow disc florets and no ray florets.
|
| 8. | Each head contains 6 19 ray florets surrounding 5 19 disc florets.
|
| 9. | Some heads also have ray florets which may be lavender or pinkish.
|
| 10. | They contain white or pinkish ray florets surrounding small yellow disc florets.
|