| Name | Polyalthia khaoyaiensis Bunchalee & Chantar. |
| Authorship | Bunchalee & Chantar. |
| Rank | Species |
| Placed in | Polyalthia Blume |
| Citation | 2019 Phytotaxa 405: 172 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Polyalthia khaoyaiensis Bunchalee & Chantar. |
| Identification made in | 2020 (3) |