| Classification | Rubiaceae: Canthium | 
| Harvard University Herbaria Barcode(s) | 00092454 | 
| Type Status | Type | 
| Collector | Rahmat Si Toroes | 
| Collector number | 3601 | 
| Country | Indonesia | 
| State | Sumatera Utara (North Sumatra) | 
| Geography | Asia: Southeast Asia (Region): Indonesia: Sumatera: Sumatera Utara (North Sumatra) | 
| Locality | Laboehan Batoe, Kota Pinang, Langga Pajoeng, on the Soengei Kanan, topographic sheet 41, southeast quarter | 
| Date Collected | 1933-03-07 - 1933-03-30 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/01dbcfab-1cd2-448d-92ea-675c1b830553 | 
| Harvard University Herbaria Barcode | 00092454 | 
| Herbarium | A | 
| Family | Rubiaceae | 
| Type Status | Type | 
| Type of | Canthium longistylum Merrill | 
| Determination Remarks | [filed under] | 
| Taxon Reference | (for  Canthium longistylum Merrill) Pap. Michigan Acad. Sci. 1938. 23: 195. | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |