| Name | Piper tsangyuanense P. S. Chen & P. C. Zhu |
| Authorship | P. S. Chen & P. C. Zhu |
| Rank | Species |
| Placed in | Piper Linnaeus |
| Citation | 1979 Acta Phytotax. Sin. 17(1): 36–37, pl. 13 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Piper tsangyuanense P. S. Chen & P. C. Zhu |
| Identification made in | [no date] (5) |