| 1. | The bracts, or leaves surrounding the inflorescence, resemble sepals.
 
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 | 2. | Similarly, the'calyx'is an involucre of bracts.
 
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 | 3. | The bracts tips are rounded and involucre 6 12 mm high.
 
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 | 4. | It is a grassy flower folded within tough bracts and sepals.
 
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 | 5. | Each flower is ringed with smaller, ribbonlike, curling bracts.
 
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 | 6. | The yellow florets are supported by white bracts at the flowerhead.
 
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 | 7. | Four or more bracts are present under the umbel at first.
 
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 | 8. | Pale-margined purple flowers emerge from between the overlapping bracts.
 
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 | 9. | The inflorescence bears bracts studded with large resin pappus of scales.
 
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 | 10. | The inflorescence sometimes has two inflated whitish bracts alongside the flower.
 
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