| Classification | Flacourtiaceae: Hydnocarpus | 
| Classification 1 | Annonaceae: Mezzettiopsis | 
| Harvard University Herbaria Barcode(s) | 00066829 | 
| Type Status | Isotype | 
| Collector | A. D. E. Elmer | 
| Collector number | 12936 | 
| Country | Philippines | 
| State | Palawan | 
| Geography | Asia: Southeast Asia (Region): Philippines: Luzon: Palawan | 
| Locality | Puerto Princesa, Mount Pulgar, Palawan Island | 
| Date Collected | 1911-04-** | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/0685b78d-446b-40f4-b892-8ad0182740fe | 
| Harvard University Herbaria Barcode | 00066829 | 
| Herbarium | GH | 
| Family | Flacourtiaceae | 
| Type Status | Isotype | 
| Isotype of | Hydnocarpus unonifolia Elmer | 
| Taxon Reference | (for  Hydnocarpus unonifolia Elmer) Leafl. Philipp. Bot. 1913. 5: 1779. | 
| Family | Annonaceae | 
| Determination | Mezzettiopsis creaghii Ridley | 
| Determined by | J. C. Regalado | 
| Determination Remarks | [current name] | 
| Sex | not determined | 
| Phenology | Fruit | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |