| Classification | Apocynaceae: Alstonia |
| Harvard University Herbaria Barcode(s) | 02182799 |
| Collector | C. E. Ridsdale |
| Collector number | SMHI 358 |
| Country | Philippines |
| Geography | Asia: Southeast Asia (Region): Philippines |
| Locality | Taytay municipality, Lake Manguao (Danao), valley stream leading into NNW bay of lake. |
| Date Collected | 1984-04-07 |
| Elevation | 60 - 80 m |
| Verbatim Elevation | 60 - 80 m. |
| Habitat | Lowland rainforest. |
| Frequency | Common canopy tree |
| Project | Plants on Edge/Endless Forms TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/1be83916-e653-40dc-ad75-8b8f65802e0c |
| Harvard University Herbaria Barcode | 02182799 |
| Herbarium | A |
| Family | Apocynaceae |
| Determination | Alstonia iwahigensis Elmer |
| Determined by | Whitfeld, Timothy John Sullivan |
| Date Determined | 2000-02-28 |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |