External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:77243999-1
- Publication
- Journal of the Linnean Society. Botany. London
- Collation
- 33: 63
- Date of Publication
- (1897)
- Family as entered in IPNI
- Rubiaceae