| Classification | Apocynaceae: Alstonia |
| Barcode(s) | 02182417 |
| Collector | K. Sidiyasa, A. J. M. Leeuwenberg, Wiriyanti, & Arbainsyah |
| Collector number | 12 |
| Country | Indonesia |
| State | Kalimantan Timur (East Kalimantan) |
| Geography | Asia: Southeast Asia (Region): Indonesia: Kalimantan: Kalimantan Timur (East Kalimantan) |
| Locality | PT. ITCI Kenangan, around Birawa Camp, 60 km north of Kenangan. |
| Date Collected | 1994-12-01 |
| Elevation | 250 m |
| Verbatim Elevation | 250 m. |
| Habitat | Logged over dipterocarp forest, undulating area by small stream. |
| Project | Plants on Edge/Endless Forms TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/98a7d36f-9ed6-4da6-9bd5-4fe5c1a2864a |
| Harvard University Herbaria Barcode | 02182417 |
| Herbarium | A |
| Family | Apocynaceae |
| Determination | Alstonia iwahigensis Elmer |
| Determined by | Whitfeld, Timothy John Sullivan |
| Date Determined | 2000-02-23 |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
