| Classification | Apocynaceae: Alstonia |
| Harvard University Herbaria Barcode(s) | 02182849 |
| Collector | C. E. Ridsdale |
| Collector number | SMHI 170 |
| Country | Philippines |
| Geography | Asia: Southeast Asia (Region): Philippines: Luzon: Puerto Princesa |
| Locality | Irawan R. valley head, north side. |
| Date Collected | 1984-03-21 |
| Verbatim Elevation | c. 170 m. |
| Habitat | Forest on rocky slope with Dipterocarpus sp. dominant. Low ridge on slope. |
| Project | Plants on Edge/Endless Forms |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/95e63389-d369-4eaf-8b04-74e3c72d07e2 |
| Harvard University Herbaria Barcode | 02182849 |
| Herbarium | A |
| Family | Apocynaceae |
| Determination | Alstonia macrophylla Wallich ex Don |
| Determined by | Whitfeld, Timothy John Sullivan |
| Date Determined | 2000-02-28 |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
