| Classification | Apocynaceae: Himatanthus |
| Barcode(s) | 02116177 |
| Collector | B. Maguire & J. J. Wurdack |
| Collector number | 34495 |
| Country | Venezuela |
| State | Amazonas |
| Geography | South America: South America (Region) (Region): Venezuela: Amazonas |
| Locality | Alto Río Orinoco, in scrub near Yapacana cano laguna, northwest base of Cerro Yapacana |
| Date Collected | 1953-03-16 |
| Verbatim Elevation | 150 m. |
| Frequency | Frequent |
| Project | Plants on Edge/Endless Forms TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/48372fb9-7785-4c3f-9cc5-42dfd294057b |
| Harvard University Herbaria Barcode | 02116177 |
| Herbarium | GH |
| Family | Apocynaceae |
| Determination | Himatanthus semilunatus Markgraf |
| Determined by | Zarucchi, James Lee |
| Date Determined | 1982-11-** |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |