| Classification | Apocynaceae: Aganosma | 
| Harvard University Herbaria Barcode(s) | 00032365 | 
| Type Status | Holotype | 
| Collector | P. A. Pételot | 
| Collector number | 2447 | 
| Country | Vietnam | 
| Geography | Asia: Southeast Asia (Region): Vietnam | 
| Date Collected | 1938-05-12 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/f1c20ab2-dd55-4c60-985d-41785d5d68b9 | 
| Harvard University Herbaria Barcode | 00032365 | 
| Herbarium | A | 
| Family | Apocynaceae | 
| Type Status | Holotype | 
| Holotype of | Aganosma grandiflora Merrill | 
| Taxon Reference | (for  Aganosma grandiflora Merrill) J. Arnold Arbor. 1942. 23: 190. | 
| Family | Apocynaceae | 
| Determination | Aganosma siamensis Craib | 
| Determined by | D. Middleton | 
| Determination Remarks | [current name] | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |