External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:925086-1
- Publication
- Annals of the Missouri Botanical Garden. St. Louis, Missouri
- Collation
- 74(3): 676 (1987).
- Date of Publication
- 1987
- Family as entered in IPNI
- Rubiaceae