| Name | Philadelphus delavayi f. cruciflorus S. Y. Hu |
| Authorship | S. Y. Hu |
| Rank | Forma |
| Placed in | Philadelphus delavayi L. Henry |
| Citation | 1955 J. Arnold Arbor. 36: 329 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Philadelphus delavayi f. cruciflorus S. Y. Hu |
| Identification made in | 2018 (1) |
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