| Classification | Apocynaceae: Alstonia |
| Barcode(s) | 02182467 |
| Collector | A. J. G. H. Kostermans |
| Collector number | 4537 |
| Country | Malaysia |
| Geography | Asia: Southeast Asia (Region): Malaysia: Borneo |
| Locality | Sg. Wain region, N. of Balikpapan. |
| Date Collected | 1950-09-07 |
| Elevation | 10 m |
| Verbatim Elevation | 10 m |
| Habitat | Along rivulet on periodically inundated, sandy loam soil. |
| Project | Plants on Edge/Endless Forms TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/c5ba1719-ed92-4119-9539-5385017987cc |
| Harvard University Herbaria Barcode | 02182467 |
| Herbarium | A |
| Family | Apocynaceae |
| Determination | Alstonia pneumatophora Backer ex Den Berger |
| Determined by | Sidiyasa, Kade |
| Date Determined | 1996 |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |