| Name | Ipomoea carnea subsp. fistulosa (Martius ex Choisy) D. F. Austin |
| Authorship | (Martius ex Choisy) D. F. Austin |
| Rank | Subspecies |
| Placed in | Ipomoea carnea Jacquin |
| Citation | 1977 Taxon 26(2–3): 237 |
| Holdings | 90 Specimens held in the Harvard University Herbaria identified as Ipomoea carnea subsp. fistulosa (Martius ex Choisy) D. F. Austin |
| Identification made in | [no date] (88), 2025 (2) |
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