choose between three options below (A, B, C)
| A. Flowering head
cylindrical or conical, densely packed, without prominent awns or
bristles. Examples
shown
below. choose this option |
      |
| B. Flowering head
without prominent awns or bristles and not densely packed. Examples
shown below. choose this option |
      |
| C. Flowering head
with prominent awns or bristles. Examples shown below. choose this option |
     |