| 11. | The brown spikelets are arranged along one side of each spike.
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| 12. | The inflorescence is a branching panicle with brown or greenish spikelets.
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| 13. | Surrounding each spikelet are up to 12 yellow or purple bristles.
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| 14. | Each spikelet has one bisexual and one or two sterile flowers.
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| 15. | Its spikelets are cuneated, pendulous, solitary and are long.
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| 16. | Fertile spikelets are pediceled, the pedicels of which are filiform.
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| 17. | They have fertile spikelets that are palea is 2-veined.
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| 18. | They are also long and have fertile spikelets that are hilum.
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| 19. | A single larva generally feeds on a series of consecutive spikelets.
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| 20. | The inflorescences is one brown spikelet with 3-6 flowers.
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