| Classification | Apocynaceae: Alstonia |
| Harvard University Herbaria Barcode(s) | 02182410 |
| Collector | K. Sidiyasa |
| Collector number | 474 |
| Country | Indonesia |
| State | Kalimantan Timur (East Kalimantan) |
| Geography | Asia: Southeast Asia (Region): Indonesia: Kalimantan: Kalimantan Timur (East Kalimantan) |
| Locality | Sepaku area, PT.ITCI,Kenangan, Balikpapan. |
| Date Collected | 1990-11-10 |
| Elevation | 120 m |
| Verbatim Elevation | 120 m |
| Habitat | Primary Dipterocarp forest on low undulating area. |
| Project | Plants on Edge/Endless Forms |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/a6746563-b239-46a3-b784-d61af4a3e57c |
| Harvard University Herbaria Barcode | 02182410 |
| Herbarium | A |
| Family | Apocynaceae |
| Determination | Alstonia iwahigensis Elmer |
| Determined by | Whitfeld, Timothy John Sullivan |
| Date Determined | 2000-02-23 |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
