| 41. | Lower spikelets generally have both pistillate and staminate flowers, while uppermost spikelets are staminate only.
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| 42. | Lower spikelets generally have both pistillate and staminate flowers, while uppermost spikelets are staminate only.
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| 43. | Only the upper floret of each spikelet is fertile; the lower floret is sterile or staminate.
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| 44. | A noticeable space separates the staminate ( male ) flowers from the pistillate ( female ) ones.
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| 45. | The plant is monoecious, bearing both pistillate ( female ) and staminate ( male ) flowers.
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| 46. | The plant is dioecious, having separate pistillate ( female ) and staminate ( male ) plants.
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| 47. | All of the known US populations are staminate ( male ), lacking female flowers, reproducing vegetatively.
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| 48. | The staminate are arranged in layers which occur in groups of 2-3 and are about long.
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| 49. | It is monoecious, with both terminal and axillary racemes consisting of staminate heads occurring above their pistillate counterparts.
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| 50. | The staminate flowers are asymmetrical and borne in triads with three distinct, valvate sepals and three thick petals.
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