| 31. | Sepals are noticeable in spring to summer, when in flower.
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| 32. | Each flower has lance-shaped green sepals at the base.
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| 33. | Each has green or purplish bracts and sepals and no petals.
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| 34. | It produces flowers with lavender petals and green or purple sepals.
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| 35. | Flowers are borne in calyces of sepals coated in black hairs.
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| 36. | The sepals are red and the corollas are red or purple.
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| 37. | It is unusual in the genus in having distinctive serrate sepals.
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| 38. | The sepals / bracts are longer than those of the spikelets.
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| 39. | There are 5 narrow triangular, glabrous green sepals, long.
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| 40. | After flowering, the sepal become heart-shaped and long.
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