| Name | Cyathocalyx sumatranus Scheffer |
| Authorship | Scheffer |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Cyathocalyx |
| GUID | urn:lsid:ipni.org:names:72686-1 |
| Holdings | 10 Specimens held in the Harvard University Herbaria identified as Cyathocalyx sumatranus Scheffer |
| Identification made in | [no date] (10) |