| Classification | Apocynaceae: Alstonia |
| Harvard University Herbaria Barcode(s) | 02182403 |
| Collector | P. S. Ashton |
| Collector number | BRUN5005 |
| Country | Brunei |
| Geography | Asia: Southeast Asia (Region): Brunei |
| Locality | Telamba. |
| Date Collected | 1958-12-30 |
| Habitat | On edge of peat swamp. Old Secondary forest. |
| Project | Plants on Edge/Endless Forms TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/e0884fd3-0f9b-4cfd-b3af-19e8ec0d9f2a |
| Harvard University Herbaria Barcode | 02182403 |
| Herbarium | A |
| Family | Apocynaceae |
| Determination | Alstonia iwahigensis Elmer |
| Determined by | Sidiyasa, Kade |
| Date Determined | 1995 |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
