| 11. | They are cylindrical-infundibular throughout and have a pair of ribs in place of wings.
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| 12. | "Nepenthes spathulata " is also allied to " infundibular rather than cylindrical.
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| 13. | Nevertheless, these plants differ from " N . spathulata " in producing infundibular lower pitchers.
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| 14. | They are infundibular in the lowermost part, narrowly ovoid in the next part, and cylindrical above.
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| 15. | Upper pitchers are narrowly infundibular in the basal third to half of the pitcher cup and cylindrical above.
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| 16. | Upper pitchers are tubular to narrowly infundibular in the lower two-thirds, becoming broadly infundibular above.
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| 17. | Upper pitchers are tubular to narrowly infundibular in the lower two-thirds, becoming broadly infundibular above.
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| 18. | The basal fifth to third of the trap is ovate, narrowing and becoming cylindrical to slightly infundibular above.
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| 19. | Upper pitchers are ovate in their basal third to fifth, becoming cylindrical above and infundibular towards the peristome.
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| 20. | They may be infundibular throughout or narrowly infundibular in their basal part, becoming narrower and roughly cylindrical above.
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