| Classification | Apocynaceae: Alstonia | 
| Harvard University Herbaria Barcode(s) | 00063801 | 
| Type Status | Type | 
| Collector | E. D. Merrill | 
| Collector number | 335 | 
| Country | Philippines | 
| State | Bulacan | 
| Geography | Asia: Southeast Asia (Region): Philippines: Luzon: Bulacan | 
| Locality | Angat, Luzon Island | 
| Date Collected | 1913-09-** | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/1285e402-bd94-4c40-89f0-40d5ebcf9066 | 
| Harvard University Herbaria Barcode | 00063801 | 
| Herbarium | A | 
| Family | Apocynaceae | 
| Type Status | Type | 
| Type of | Alstonia batino Blanco | 
| Taxon Reference | (for  Alstonia batino Blanco) Fl. Filip., ed. 2 [F.M. Blanco] 1845. 589. | 
| Family | Apocynaceae | 
| Determination | Alstonia macrophylla Wallich ex Don | 
| Determined by | K. Sidiyasa | 
| Determination Remarks | [current name] | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |