| Classification | Euphorbiaceae: Trigonostemon | 
| Harvard University Herbaria Barcode(s) | 00048880 | 
| Type Status | Holotype | 
| Collector | Rahmat Si Boeea | 
| Collector number | 9872 | 
| Country | Indonesia | 
| Geography | Asia: Southeast Asia (Region): Indonesia | 
| Locality | Vicinity of Tomoean Dolok, Asahan, east coast Sumatra | 
| Date Collected | 1936-08-01 - 1936-08-20 | 
| Elevation | 1000 m | 
| Container | Plants of Sumatra, East Coast | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/fd6fb1eb-dd31-40c9-8f04-1246139b92a7 | 
| Harvard University Herbaria Barcode | 00048880 | 
| Herbarium | A | 
| Previous ownership | ex MICH (Distributed by H. H. Bartlett) | 
| Family | Euphorbiaceae | 
| Type Status | Holotype | 
| Holotype of | Trigonostemon asahanensis Croizat | 
| Determination Remarks | "Holotypus! L. Croizat 1941" written on sheet | 
| Taxon Reference | (for  Trigonostemon asahanensis Croizat) J. Arnold Arbor. 1942. 23: 54. | 
| Family | Euphorbiaceae | 
| Determination | Trigonostemon asahanensis Croizat | 
| Determination Remarks | "cf Dimorphocalyx, Trigonostemon etc." written on sheet [label name] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |