External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:77165448-1
- Publication
- Genera Plantarum ad exemplaria imprimis in herbariis Kewensibus
- Collation
- 2(1): 88
- Date of Publication
- 7-9 Apr 1873
- Family as entered in IPNI
- Rubiaceae