| Classification | Apocynaceae: Alstonia | 
| Harvard University Herbaria Barcode(s) | 02182357 | 
| Collector | L. Madani | 
| Collector number | 133976 | 
| Country | Malaysia | 
| State | Sabah | 
| Geography | Asia: Southeast Asia (Region): Malaysia: Malaysia Timor: Sabah: Sandakan Division: Telupid | 
| Locality | Sg.Ruku-Ruku. | 
| Date Collected | 1992-08-25 | 
| Elevation | 300 m | 
| Verbatim Elevation | 300' m.a.s.l. | 
| Habitat | Logged area. | 
| Project | Plants on Edge/Endless Forms TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/de7f25af-f130-4f47-9f41-9d579c6c700f | 
| Harvard University Herbaria Barcode | 02182357 | 
| Herbarium | A | 
| Family | Apocynaceae | 
| Determination | Alstonia angustifolia Wallich | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |