| Name | Pinellia ternata f. angustata (Schott) Makino |
| Authorship | (Schott) Makino |
| Rank | Forma |
| Placed in | Pinellia ternata (Thunberg) Makino ex Breitenbach |
| Citation | 1901 Bot. Mag. (Tokyo) 15: 136 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Pinellia ternata f. angustata (Schott) Makino |
| Identification made in | [no date] (2) |