| Classification | Apocynaceae: Alstonia |
| Harvard University Herbaria Barcode(s) | 02182797 |
| Collector | C. E. Ridsdale |
| Collector number | SMHI 1868 |
| Country | Philippines |
| Geography | Asia: Southeast Asia (Region): Philippines: Luzon: Puerto Princesa |
| Locality | Irawan R. valley head on the lower slopes of Mt. Beaufort. |
| Date Collected | 1984-05-29 |
| Elevation | 150 - 170 m |
| Verbatim Elevation | 150 - 170 m |
| Habitat | Old rainforest and regrowth. |
| Project | Plants on Edge/Endless Forms TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/9fb12876-d136-4493-b0bc-d1d95d5a3cae |
| Harvard University Herbaria Barcode | 02182797 |
| Herbarium | A |
| Family | Apocynaceae |
| Determination | Alstonia iwahigensis Elmer |
| Determined by | Whitfeld, Timothy John Sullivan |
| Date Determined | 2000-02-28 |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
