| Classification | Apocynaceae: Alstonia |
| Harvard University Herbaria Barcode(s) | 02182449 |
| Collector | T. C. Whitmore |
| Collector number | FRI 0281 |
| Country | Malaysia |
| State | Penang |
| Geography | Asia: Southeast Asia (Region): Malaysia: Semenanjung Malaysia: Penang |
| Locality | Penang hill by Upper Tunnel Station. |
| Date Collected | 1966-05-05 |
| Elevation | 610 m |
| Verbatim Elevation | 2,000'. |
| Habitat | Secondary forest. |
| Project | Plants on Edge/Endless Forms TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/480e515c-92e6-4f94-847b-f6a998256125 |
| Harvard University Herbaria Barcode | 02182449 |
| Herbarium | A |
| Family | Apocynaceae |
| Determination | Alstonia macrophylla Wallich ex Don |
| Determined by | Sidiyasa, Kade |
| Date Determined | 1996 |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |