| Name | Piper austrosinense Y. Q. Tseng |
| Authorship | Y. Q. Tseng |
| Rank | Species |
| Placed in | Piper Linnaeus |
| Citation | 1979 Acta Phytotax. Sin. 17(1): 36, pl. 12 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Piper austrosinense Y. Q. Tseng |
| Identification made in | [no date] (3) |