| Classification | Apocynaceae: Alstonia | 
| Barcode(s) | 02182556 | 
| Collector | A. J. G. H. Kostermans | 
| Collector number | 18230 | 
| Country | Indonesia | 
| State | Nusa Tenggara Barat (W. Sunda Isl.) | 
| Geography | Asia: Southeast Asia (Region): Indonesia: Lesser Sunda Islands: Nusa Tenggara Barat (W. Sunda Isl.): Sumbawa Barat | 
| Locality | Batulanteh Mts; trail from Batu-dulang to summit. | 
| Date Collected | 1961-04-16 | 
| Elevation | 600 - 800 m | 
| Verbatim Elevation | 600-800 m. | 
| Habitat | Usually on drier slopes at 400-500 m. | 
| Frequency | Not very common here. | 
| Project | Plants on Edge/Endless Forms TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/4f43964b-7811-4259-9ae9-a579633360a1 | 
| Harvard University Herbaria Barcode | 02182556 | 
| Herbarium | A | 
| Family | Apocynaceae | 
| Determination |  Alstonia spectabilis R. Brown | 
| Determined by | Sidiyasa, Kade | 
| Date Determined | 1996 | 
| Determination Remarks |  [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |