External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:912747-1
- Publication
- Annals of the Missouri Botanical Garden. St. Louis, Missouri
- Collation
- 69(2): 427 (1983):
- Date of Publication
- 1983
- Family as entered in IPNI
- Rubiaceae