| 1. | The ligule is short and does not come to a point.
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| 2. | The ligules are 6 15 mm long and 5 10 mm wide.
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| 3. | The ligules are 2.5 mm high and flat but toothed.
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| 4. | The membranous ligule is prominent, white in color with spiky hairs.
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| 5. | The ligule is pointed, toothed, 2 to 4 mm long.
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| 6. | The upper ligules are much larger than the lower ligules.
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| 7. | The upper ligules are much larger than the lower ligules.
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| 8. | They feature a ligule which may be nearly one centimeter in length.
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| 9. | The ligule may be up to 3.5 centimeters in length.
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| 10. | The leaves are up to long and the ligule is very short.
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