| Name | Petalodiscus (Baillon) Pax |
| Authorship | (Baillon) Pax |
| Rank | Genus |
| Placed in | Euphorbiaceae |
| Contains | Petalodiscus fadenii (Radcl.-Sm.) Radcl.-Sm. Petalodiscus laureola (Baillon) Pax Petalodiscus mimosoides (Baill.) Pax Petalodiscus oblongifolius Pax Petalodiscus platyrachis Baillon Petalodiscus pulchella (Baill.) Pax Petalodiscus ranavalonae Petalodiscus sp. |
| Remarks | Type: non designatus |
| Citation | 1890 [Mai 1890] Nat. Pflanzenfam. [Engler & Prantl] 3(5): 15 |