External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:35452-1
- Publication
- Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie. Leipzig
- Collation
- 23(3): 444
- Date of Publication
- 24 Nov 1896
- Family as entered in IPNI
- Rubiaceae