| Classification | Apocynaceae: Alstonia |
| Harvard University Herbaria Barcode(s) | 00032394 |
| Type Status | Holotype |
| Collector | E. Poilane |
| Collector number | 5970 |
| Country | Vietnam |
| Geography | Asia: Southeast Asia (Region): Vietnam |
| Locality | Prov. [Phamiang], Cana |
| Date Collected | 1923 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/368222cb-acf1-43df-bf5a-05d27eed9c88 |
| Harvard University Herbaria Barcode | 00032394 |
| Herbarium | A |
| Family | Apocynaceae |
| Determination | Alstonia annamensis (Monachino) Sidiyasa |
| Determined by | K. Sidiyasa |
| Determination Remarks | [is Current name] |
| Family | Apocynaceae |
| Type Status | Holotype |
| Holotype of | Alstonia angustifolia var. annamensis Monachino |
| Taxon Reference | (for Alstonia angustifolia var. annamensis Monachino) Pacific Sci. 1949. 3: 160. |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
