| Name | Philadelphus austro-mexicanus S. Y. Hu |
| Authorship | S. Y. Hu |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Philadelphus |
| GUID | urn:lsid:ipni.org:names:192761-2 |
| Citation | 1954 J. Arnold Arbor. 35: 324 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Philadelphus austro-mexicanus S. Y. Hu |
| Identification made in | [no date] (1), 1952 (1), 2010 (2) |