| Classification | Apocynaceae: Alstonia |
| Harvard University Herbaria Barcode(s) | 02182414 |
| Collector | K. Sidiyasa |
| Collector number | 1116 |
| Country | Indonesia |
| State | Kalimantan Timur (East Kalimantan) |
| Geography | Asia: Southeast Asia (Region): Indonesia: Kalimantan: Kalimantan Timur (East Kalimantan) |
| Locality | North part of Kutai distr., P.T. Porodisa logging area Bengalon. |
| Georeference | 0.50° N, 117.37° E |
| Date Collected | 1994-11-17 |
| Elevation | 200 m |
| Verbatim Elevation | 200 m. |
| Habitat | Secondary vegetation 12 years old after fire, dominated by Macaranga spp., undulating area. |
| Project | Plants on Edge/Endless Forms TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/bcb16734-fe02-49be-92b2-4bd72816978a |
| Harvard University Herbaria Barcode | 02182414 |
| 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 |
