| Classification | Apocynaceae: Alstonia |
| Harvard University Herbaria Barcode(s) | 02182329 |
| Collector | B. H. I. Ngadiman |
| Collector number | 36897 |
| Country | Malaysia |
| State | Johor |
| Geography | Asia: Southeast Asia (Region): Malaysia: Semenanjung Malaysia: Johor |
| Locality | Sungai Sedili. |
| Date Collected | 1939-07-28 |
| Verbatim Elevation | low |
| Project | Plants on Edge/Endless Forms TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/e4149c35-98fd-48d3-9edb-7f6f5a5744f9 |
| Harvard University Herbaria Barcode | 02182329 |
| Herbarium | A |
| Family | Apocynaceae |
| Determination | Alstonia angustifolia Wallich |
| Determined by | Sidiyasa, Kade |
| Date Determined | 1996 |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |