| Classification | Apocynaceae: Urceola | 
| Classification 1 | Apocynaceae: Aganonerion | 
| Harvard University Herbaria Barcode(s) | 01977653 | 
| Collector | S. Mitsuta, T. Yahara, H. Nagamasu & N. Nantasan | 
| Collector number | T-50358 | 
| Country | Thailand | 
| Geography | Asia: Southeast Asia (Region): Thailand | 
| Locality | Loc. NE: Sakonnakhon; Phu Phan National Park, ca. 30 Km Sw of Sakonnakhon city. | 
| Georeference | 17° 00' N, 104° 00' E | 
| Date Collected | 1984-11-15 | 
| Verbatim Elevation | 380 m | 
| Habitat | In forest along streamlet, partly evergreen. | 
| Project | Plants on Edge/Endless Forms TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/9204102a-a6f8-48d1-ac33-cbfa326aca1a | 
| Harvard University Herbaria Barcode | 01977653 | 
| Herbarium | A | 
| Family | Apocynaceae | 
| Determination | Urceola polymorpha (Pierre) D. J. Middleton & Livshultz | 
| Determined by | Livshultz & al. Taxon 67(2): 356 (2018) | 
| Determination Remarks | [current name] | 
| Family | Apocynaceae | 
| Determination | Aganonerion polymorphum Pierre ex Spire | 
| Determined by | Middleton, David John | 
| Date Determined | 1992-01-27 | 
| Determination Remarks | [filed under] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |