| Name | Phaseolus polystachios subsp. sinuatus (Nuttall ex Torr. & A. Gray) Freytag |
| Authorship | (Nuttall ex Torr. & A. Gray) Freytag |
| Rank | Subspecies |
| Placed in | Phaseolus polystachios (Linnaeus) Britton |
| Citation | 2002 Sida, Bot. Misc. 23: 115 |
| Holdings | 18 Specimens held in the Harvard University Herbaria identified as Phaseolus polystachios subsp. sinuatus (Nuttall ex Torr. & A. Gray) Freytag |
| Identification made in | [no date] (18) |