| Classification | Apocynaceae: Himatanthus | 
| Harvard University Herbaria Barcode(s) | 02116162 | 
| Collector | G. T. Prance, A. S. Silva, C. C. Berg, A. J. Henderson, B. W. Nelson, M. J. Balick, R. P. Bahia & M. R. dos Santos | 
| Collector number | P 25089 | 
| Country | Brazil | 
| State | Pará | 
| Geography | South America: South America (Region) (Region): Brazil: Pará | 
| Locality | Plants of Brazilian Amazonia; State of Pará; Serra do Cachimbo, BR 163, Cuiabá-Santarém Highway; BR 163, km 807.5 | 
| Date Collected | 1977-11-09 | 
| Verbatim Elevation | 520m | 
| Habitat | Campina on white sand. | 
| Project | Plants on Edge/Endless Forms TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/e6be91bd-b92e-4968-8e18-3c4b26c95f08 | 
| Harvard University Herbaria Barcode | 02116162 | 
| Herbarium | GH | 
| Family | Apocynaceae | 
| Determination | Himatanthus obovatus (Müller Arg.) Woodson | 
| Determined by | Fallen, Mary E. | 
| Date Determined | 1985-07-26 | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |