| Classification | Apocynaceae: Rhabdadenia | 
| Harvard University Herbaria Barcode(s) | 02009448 | 
| Collector | A. Ducke | 
| Collector number | 1565 | 
| Country | Brazil | 
| State | Amazonas | 
| Geography | South America: South America (Region) (Region): Brazil: Amazonas | 
| Locality | Tonantins, Parana de Tonantins | 
| Date Collected | 1944-01-28 | 
| Habitat | ad ripas inundatas | 
| Project | Plants on Edge/Endless Forms TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/0db80641-aa34-456d-bda5-adce1cc1daa6 | 
| Harvard University Herbaria Barcode | 02009448 | 
| Herbarium | A | 
| Family | Apocynaceae | 
| Determination | Rhabdadenia macrostoma (Bentham) Müller Arg. | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |