| Name | Piper yunnanense Y. Q. Tseng |
| Authorship | Y. Q. Tseng |
| Rank | Species |
| Placed in | Piper Linnaeus |
| Citation | 1979 Acta Phytotax. Sin. 17(1): 32–33, pl. 9 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Piper yunnanense Y. Q. Tseng |
| Identification made in | [no date] (2) |
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