| Name | Oionychion Nieuwland & Kaczmarek |
| Authorship | Nieuwland & Kaczmarek |
| Rank | Genus |
| NomenclaturalStatus | NomLeg |
| Placed in | Violaceae |
| Contains | Oionychion pedatum (L.) Nieuwl. & Kaczm. Oionychion sp. |
| Remarks | T: O. pedatum (L.) Nieuwl. & Kaczm. (Viola pedata L.) |
| GUID | urn:lsid:ipni.org:names:298280-2 |
| Citation | 1914 Amer. Midl. Naturalist 3: 209, 210 |