| Name | Petalodiscus platyrachis Baillon |
| Authorship | Baillon |
| Rank | Species |
| Placed in | Petalodiscus (Baillon) Pax |
| Citation | 1858 Étude Euphorb. 571, t. 572 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Petalodiscus platyrachis Baillon |
| Identification made in | [no date] (2) |