| Name | Cyathocalyx annamensis Ast |
| Authorship | Ast |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Cyathocalyx |
| GUID | urn:lsid:ipni.org:names:72647-1 |
| Citation | 1940 Notul. Syst. (Paris) 9: 78 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Cyathocalyx annamensis Ast |
| Identification made in | [no date] (2) |