| Classification | Apocynaceae: Alstonia | 
| Harvard University Herbaria Barcode(s) | 02182316 | 
| Collector | R. C. K. Chung, S. Kamarudin, & K. Apok | 
| Collector number | RC 170 | 
| Country | Malaysia | 
| State | Pahang | 
| Geography | Asia: Southeast Asia (Region): Malaysia: Semenanjung Malaysia: Pahang | 
| Locality | Raub, Fraser's Hill, Gap road, 400 m along the road from old security guard house (Bentong Rd). | 
| Georeference | 3° 43.00' N, 101° 45.50' E | 
| Date Collected | 2007-03-13 | 
| Elevation | 800 m | 
| Verbatim Elevation | 800m | 
| Habitat | Primary. Montane forest. Along slope. | 
| Project | Plants on Edge/Endless Forms TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ad1db460-bd89-4581-9557-ef44133ccdc7 | 
| Harvard University Herbaria Barcode | 02182316 | 
| Herbarium | A | 
| Family | Apocynaceae | 
| Determination | Alstonia angustifolia Wallich | 
| Determined by | Middleton, David John | 
| Date Determined | 2011 | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |