| Name | Hibiscus mutabilis f. plenus S. Y. Yu |
| Authorship | S. Y. Yu |
| Rank | Forma |
| Placed in | Hibiscus mutabilis Linnaeus |
| Citation | 1955 Fl. Reipubl. Popularis Sin. 153: 50 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Hibiscus mutabilis f. plenus S. Y. Yu |
| Identification made in | 1955 (1), 2025 (1) |